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69088 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
d1fec2214b |
selinux/stable-5.12 PR 20210215
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Merge tag 'selinux-pr-20210215' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
Pull selinux updates from Paul Moore:
"We've got a good handful of patches for SELinux this time around; with
everything passing the selinux-testsuite and applying cleanly to your
tree as of a few minutes ago. The highlights are:
- Add support for labeling anonymous inodes, and extend this new
support to userfaultfd.
- Fallback to SELinux genfs file labeling if the filesystem does not
have xattr support. This is useful for virtiofs which can vary in
its xattr support depending on the backing filesystem.
- Classify and handle MPTCP the same as TCP in SELinux.
- Ensure consistent behavior between inode_getxattr and
inode_listsecurity when the SELinux policy is not loaded. This
fixes a known problem with overlayfs.
- A couple of patches to prune some unused variables from the SELinux
code, mark private variables as static, and mark other variables as
__ro_after_init or __read_mostly"
* tag 'selinux-pr-20210215' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
fs: anon_inodes: rephrase to appropriate kernel-doc
userfaultfd: use secure anon inodes for userfaultfd
selinux: teach SELinux about anonymous inodes
fs: add LSM-supporting anon-inode interface
security: add inode_init_security_anon() LSM hook
selinux: fall back to SECURITY_FS_USE_GENFS if no xattr support
selinux: mark selinux_xfrm_refcount as __read_mostly
selinux: mark some global variables __ro_after_init
selinux: make selinuxfs_mount static
selinux: drop the unnecessary aurule_callback variable
selinux: remove unused global variables
selinux: fix inconsistency between inode_getxattr and inode_listsecurity
selinux: handle MPTCP consistently with TCP
|
||
|
Linus Torvalds
|
66f73fb3fa |
This pull request contains changes (actually just fixes) for UBIFS
JFFS2: - Fix for use-after-free in jffs2_sum_write_data() - Fix for out-of-bounds access in jffs2_zlib_compress() UBI: - Remove dead/useless code UBIFS: - Fix for a memory leak in ubifs_init_authentication() - Fix for high stack usage - Fix for a off-by-one error in xattrs code -----BEGIN PGP SIGNATURE----- iQJKBAABCAA0FiEEdgfidid8lnn52cLTZvlZhesYu8EFAmAyuh8WHHJpY2hhcmRA c2lnbWEtc3Rhci5hdAAKCRBm+VmF6xi7wT+bD/9Q2Ar9yMX9drPyAnyb3vudE8c8 l0RdNLyBSL87pskpszNZR2+o8Yi3vjlbGWq5i97JsP/7UOb4Gc/MfXPYJteP1xUN S46EZwgcZa4XCgMSSdMk/NZl7bVdbwjvcGjw1CA4RdPkwt8s2jwYdS+hPrHu6o87 3xkP7kWShs/2KhUyvodZgAu6SYcTW+OjiKwdAIKxa1Ak9YUMGzsSHqCbl19he5MG hMxFZIqRZ2zZUfFeYXffVApJI8eBEKVud2qtNA/A6eGsy5Wx3c4F/bxG/uWdoJPp n5CmFRc6UGh8teA43aag5BnLv8sR9bC1Kf3lQX4nwfpBSzE7LwIMN7SVpL0JH5vT dJdwn37JYL/RQjmjTk++O/sSgeg9jJWMG+VOSmuKWPgP6xAYEVXqWg9njuV3wl9W NFBoybP82IyVHcthOcTrY8dx0F7A4q+3PkMy+7cikO2fYKVvJjdKgTp4pcVnGCR3 IadXzNRdYrLPvYwf25D2AyETwQQxcmh/Ox7ZOhkUXuFQ/KnhU0yqbO3cTTB1A/mO jY2SPtXXeUZwgGpGc8Lyr8/KGZ6tJX/3jswwmg+XvdegBLRogqty8XOcwUuJszCh 1kDAKs2LJ6UaMYyhV6Jxr4c+wgHoKJG+voY+oTkrUP4Lt0hQVELCylEkX2uJo60Y x4Gic/YbRUwnfjlAcg== =xorv -----END PGP SIGNATURE----- Merge tag 'for-linus-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs Pull JFFS2/UBIFS and UBI updates from Richard Weinberger: "JFFS2: - Fix for use-after-free in jffs2_sum_write_data() - Fix for out-of-bounds access in jffs2_zlib_compress() UBI: - Remove dead/useless code UBIFS: - Fix for a memory leak in ubifs_init_authentication() - Fix for high stack usage - Fix for a off-by-one error in xattrs code" * tag 'for-linus-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs: ubifs: Fix error return code in alloc_wbufs() jffs2: check the validity of dstlen in jffs2_zlib_compress() ubifs: Fix off-by-one error ubifs: replay: Fix high stack usage, again ubifs: Fix memleak in ubifs_init_authentication jffs2: fix use after free in jffs2_sum_write_data() ubi: eba: Delete useless kfree code ubi: remove dead code in validate_vid_hdr() |
||
|
Linus Torvalds
|
04471d3f18 |
This pull request contains the following changes for UML:
- Many cleanups and fixes for our virtio code - Add support for a pseudo RTC - Fix for a possible jailbreak - Minor fixes (spelling, header files) -----BEGIN PGP SIGNATURE----- iQJKBAABCAA0FiEEdgfidid8lnn52cLTZvlZhesYu8EFAmAyu0oWHHJpY2hhcmRA c2lnbWEtc3Rhci5hdAAKCRBm+VmF6xi7wd5jD/9sb/5xYhXCSfTdPS/eIrWvBQoc B8rxLfRpYW1Yvzz4R60/vKe8/td5I1/AvlprLp/1AJeawl49vCbSOqwdjn+58Uqb rlagZ2Ikilfn5lVIsxPf8fjbleonvBe8qVA30gJKgCYdYuAcXLs404jZ8MMvwZ0g t4G7BUc7bq19+UVF06kwefzC64c1WgPiHTmO6DT6RcXoFKq/x6i1FN4QnMEoiKQi SsficYHo7FsIhJZKtgTfujzEInLyMMuZ9mTJU/3wwUveLWArG0NRtIttC6FPvhi4 xx5RlTfC/Jzoqi9Qo14bLqV6KcOU/J7Oi4bDpYyhNggF/QfhnNgT8MGPwx5f+Gso 8OJg3MsZw70480EBH7/xLSdhZ3ih178Rr/asmiJkwLOYm5zJ22yqtx/jXQBlGOz3 FHPgTMJcRMzosGqSrhl+KxFdrK1uSLbcFZS3Sp8PUGdtgPPu19Proz2SPdHzt1Mj QJY30nRKKUoTLnRYnQV3VSa7uZXGVAK+HtkpRl/ubTKbGcSF8rdl4fYhOPnmAsKQ F4HBXwqKBht7eKN2BsNNTLz86OFBopn8eFqq8XxwOqF9O7DZitU0sOboWJyMUY2u /QzKxtSAUnNg6Ab+whKhAvkwktJ7IrVJh1JENWDy0pRoCGdF135ajic0bpFDCjqV ohOT/Ol+p4/ClLgxiw== =e5Qa -----END PGP SIGNATURE----- Merge tag 'for-linux-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml Pull UML updates from Richard Weinberger: - Many cleanups and fixes for our virtio code - Add support for a pseudo RTC - Fix for a possible jailbreak - Minor fixes (spelling, header files) * tag 'for-linux-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml: um: irq.h: include <asm-generic/irq.h> um: io.h: include <linux/types.h> um: add a pseudo RTC um: remove process stub VMA um: rework userspace stubs to not hard-code stub location um: separate child and parent errors in clone stub um: defer killing userspace on page table update failures um: mm: check more comprehensively for stub changes um: print register names in wait_for_stub um: hostfs: use a kmem cache for inodes mm: Remove arch_remap() and mm-arch-hooks.h um: fix spelling mistake in Kconfig "privleges" -> "privileges" um: virtio: allow devices to be configured for wakeup um: time-travel: rework interrupt handling in ext mode um: virtio: disable VQs during suspend um: virtio: fix handling of messages without payload um: virtio: clean up a comment |
||
|
Linus Torvalds
|
df24212a49 |
s390 updates for the 5.12 merge window
- Convert to using the generic entry infrastructure.
- Add vdso time namespace support.
- Switch s390 and alpha to 64-bit ino_t. As discussed here
lkml.kernel.org/r/YCV7QiyoweJwvN+m@osiris
- Get rid of expensive stck (store clock) usages where possible. Utilize
cpu alternatives to patch stckf when supported.
- Make tod_clock usage less error prone by converting it to a union and
rework code which is using it.
- Machine check handler fixes and cleanups.
- Drop couple of minor inline asm optimizations to fix clang build.
- Default configs changes notably to make libvirt happy.
- Various changes to rework and improve qdio code.
- Other small various fixes and improvements all over the code.
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Merge tag 's390-5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Vasily Gorbik:
- Convert to using the generic entry infrastructure.
- Add vdso time namespace support.
- Switch s390 and alpha to 64-bit ino_t. As discussed at
https://lore.kernel.org/linux-mm/YCV7QiyoweJwvN+m@osiris/
- Get rid of expensive stck (store clock) usages where possible.
Utilize cpu alternatives to patch stckf when supported.
- Make tod_clock usage less error prone by converting it to a union and
rework code which is using it.
- Machine check handler fixes and cleanups.
- Drop couple of minor inline asm optimizations to fix clang build.
- Default configs changes notably to make libvirt happy.
- Various changes to rework and improve qdio code.
- Other small various fixes and improvements all over the code.
* tag 's390-5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (68 commits)
s390/qdio: remove 'merge_pending' mechanism
s390/qdio: improve handling of PENDING buffers for QEBSM devices
s390/qdio: rework q->qdio_error indication
s390/qdio: inline qdio_kick_handler()
s390/time: remove get_tod_clock_ext()
s390/crypto: use store_tod_clock_ext()
s390/hypfs: use store_tod_clock_ext()
s390/debug: use union tod_clock
s390/kvm: use union tod_clock
s390/vdso: use union tod_clock
s390/time: convert tod_clock_base to union
s390/time: introduce new store_tod_clock_ext()
s390/time: rename store_tod_clock_ext() and use union tod_clock
s390/time: introduce union tod_clock
s390,alpha: switch to 64-bit ino_t
s390: split cleanup_sie
s390: use r13 in cleanup_sie as temp register
s390: fix kernel asce loading when sie is interrupted
s390: add stack for machine check handler
s390: use WRITE_ONCE when re-allocating async stack
...
|
||
|
Linus Torvalds
|
3e10585335 |
x86:
- Support for userspace to emulate Xen hypercalls
- Raise the maximum number of user memslots
- Scalability improvements for the new MMU. Instead of the complex
"fast page fault" logic that is used in mmu.c, tdp_mmu.c uses an
rwlock so that page faults are concurrent, but the code that can run
against page faults is limited. Right now only page faults take the
lock for reading; in the future this will be extended to some
cases of page table destruction. I hope to switch the default MMU
around 5.12-rc3 (some testing was delayed due to Chinese New Year).
- Cleanups for MAXPHYADDR checks
- Use static calls for vendor-specific callbacks
- On AMD, use VMLOAD/VMSAVE to save and restore host state
- Stop using deprecated jump label APIs
- Workaround for AMD erratum that made nested virtualization unreliable
- Support for LBR emulation in the guest
- Support for communicating bus lock vmexits to userspace
- Add support for SEV attestation command
- Miscellaneous cleanups
PPC:
- Support for second data watchpoint on POWER10
- Remove some complex workarounds for buggy early versions of POWER9
- Guest entry/exit fixes
ARM64
- Make the nVHE EL2 object relocatable
- Cleanups for concurrent translation faults hitting the same page
- Support for the standard TRNG hypervisor call
- A bunch of small PMU/Debug fixes
- Simplification of the early init hypercall handling
Non-KVM changes (with acks):
- Detection of contended rwlocks (implemented only for qrwlocks,
because KVM only needs it for x86)
- Allow __DISABLE_EXPORTS from assembly code
- Provide a saner follow_pfn replacements for modules
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM updates from Paolo Bonzini:
"x86:
- Support for userspace to emulate Xen hypercalls
- Raise the maximum number of user memslots
- Scalability improvements for the new MMU.
Instead of the complex "fast page fault" logic that is used in
mmu.c, tdp_mmu.c uses an rwlock so that page faults are concurrent,
but the code that can run against page faults is limited. Right now
only page faults take the lock for reading; in the future this will
be extended to some cases of page table destruction. I hope to
switch the default MMU around 5.12-rc3 (some testing was delayed
due to Chinese New Year).
- Cleanups for MAXPHYADDR checks
- Use static calls for vendor-specific callbacks
- On AMD, use VMLOAD/VMSAVE to save and restore host state
- Stop using deprecated jump label APIs
- Workaround for AMD erratum that made nested virtualization
unreliable
- Support for LBR emulation in the guest
- Support for communicating bus lock vmexits to userspace
- Add support for SEV attestation command
- Miscellaneous cleanups
PPC:
- Support for second data watchpoint on POWER10
- Remove some complex workarounds for buggy early versions of POWER9
- Guest entry/exit fixes
ARM64:
- Make the nVHE EL2 object relocatable
- Cleanups for concurrent translation faults hitting the same page
- Support for the standard TRNG hypervisor call
- A bunch of small PMU/Debug fixes
- Simplification of the early init hypercall handling
Non-KVM changes (with acks):
- Detection of contended rwlocks (implemented only for qrwlocks,
because KVM only needs it for x86)
- Allow __DISABLE_EXPORTS from assembly code
- Provide a saner follow_pfn replacements for modules"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (192 commits)
KVM: x86/xen: Explicitly pad struct compat_vcpu_info to 64 bytes
KVM: selftests: Don't bother mapping GVA for Xen shinfo test
KVM: selftests: Fix hex vs. decimal snafu in Xen test
KVM: selftests: Fix size of memslots created by Xen tests
KVM: selftests: Ignore recently added Xen tests' build output
KVM: selftests: Add missing header file needed by xAPIC IPI tests
KVM: selftests: Add operand to vmsave/vmload/vmrun in svm.c
KVM: SVM: Make symbol 'svm_gp_erratum_intercept' static
locking/arch: Move qrwlock.h include after qspinlock.h
KVM: PPC: Book3S HV: Fix host radix SLB optimisation with hash guests
KVM: PPC: Book3S HV: Ensure radix guest has no SLB entries
KVM: PPC: Don't always report hash MMU capability for P9 < DD2.2
KVM: PPC: Book3S HV: Save and restore FSCR in the P9 path
KVM: PPC: remove unneeded semicolon
KVM: PPC: Book3S HV: Use POWER9 SLBIA IH=6 variant to clear SLB
KVM: PPC: Book3S HV: No need to clear radix host SLB before loading HPT guest
KVM: PPC: Book3S HV: Fix radix guest SLB side channel
KVM: PPC: Book3S HV: Remove support for running HPT guest on RPT host without mixed mode support
KVM: PPC: Book3S HV: Introduce new capability for 2nd DAWR
KVM: PPC: Book3S HV: Add infrastructure to support 2nd DAWR
...
|
||
|
Linus Torvalds
|
08179b47e1 |
Merge branch 'parisc-5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc updates from Helge Deller: - Optimize parisc page table locks by using the existing page_table_lock - Export argv0-preserve flag in binfmt_misc for usage in qemu-user - Fix interrupt table (IVT) checksum so firmware will call crash handler (HPMC) - Increase IRQ stack to 64kb on 64-bit kernel - Switch to common devmem_is_allowed() implementation - Minor fix to get_whan() * 'parisc-5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: binfmt_misc: pass binfmt_misc flags to the interpreter parisc: Optimize per-pagetable spinlocks parisc: Replace test_ti_thread_flag() with test_tsk_thread_flag() parisc: Bump 64-bit IRQ stack size to 64 KB parisc: Fix IVT checksum calculation wrt HPMC parisc: Use the generic devmem_is_allowed() parisc: Drop out of get_whan() if task is running again |
||
|
Linus Torvalds
|
99ca0edb41 |
arm64 updates for 5.12
- vDSO build improvements including support for building with BSD.
- Cleanup to the AMU support code and initialisation rework to support
cpufreq drivers built as modules.
- Removal of synthetic frame record from exception stack when entering
the kernel from EL0.
- Add support for the TRNG firmware call introduced by Arm spec
DEN0098.
- Cleanup and refactoring across the board.
- Avoid calling arch_get_random_seed_long() from
add_interrupt_randomness()
- Perf and PMU updates including support for Cortex-A78 and the v8.3
SPE extensions.
- Significant steps along the road to leaving the MMU enabled during
kexec relocation.
- Faultaround changes to initialise prefaulted PTEs as 'old' when
hardware access-flag updates are supported, which drastically
improves vmscan performance.
- CPU errata updates for Cortex-A76 (#1463225) and Cortex-A55
(#1024718)
- Preparatory work for yielding the vector unit at a finer granularity
in the crypto code, which in turn will one day allow us to defer
softirq processing when it is in use.
- Support for overriding CPU ID register fields on the command-line.
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Will Deacon:
- vDSO build improvements including support for building with BSD.
- Cleanup to the AMU support code and initialisation rework to support
cpufreq drivers built as modules.
- Removal of synthetic frame record from exception stack when entering
the kernel from EL0.
- Add support for the TRNG firmware call introduced by Arm spec
DEN0098.
- Cleanup and refactoring across the board.
- Avoid calling arch_get_random_seed_long() from
add_interrupt_randomness()
- Perf and PMU updates including support for Cortex-A78 and the v8.3
SPE extensions.
- Significant steps along the road to leaving the MMU enabled during
kexec relocation.
- Faultaround changes to initialise prefaulted PTEs as 'old' when
hardware access-flag updates are supported, which drastically
improves vmscan performance.
- CPU errata updates for Cortex-A76 (#1463225) and Cortex-A55
(#1024718)
- Preparatory work for yielding the vector unit at a finer granularity
in the crypto code, which in turn will one day allow us to defer
softirq processing when it is in use.
- Support for overriding CPU ID register fields on the command-line.
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (85 commits)
drivers/perf: Replace spin_lock_irqsave to spin_lock
mm: filemap: Fix microblaze build failure with 'mmu_defconfig'
arm64: Make CPU_BIG_ENDIAN depend on ld.bfd or ld.lld 13.0.0+
arm64: cpufeatures: Allow disabling of Pointer Auth from the command-line
arm64: Defer enabling pointer authentication on boot core
arm64: cpufeatures: Allow disabling of BTI from the command-line
arm64: Move "nokaslr" over to the early cpufeature infrastructure
KVM: arm64: Document HVC_VHE_RESTART stub hypercall
arm64: Make kvm-arm.mode={nvhe, protected} an alias of id_aa64mmfr1.vh=0
arm64: Add an aliasing facility for the idreg override
arm64: Honor VHE being disabled from the command-line
arm64: Allow ID_AA64MMFR1_EL1.VH to be overridden from the command line
arm64: cpufeature: Add an early command-line cpufeature override facility
arm64: Extract early FDT mapping from kaslr_early_init()
arm64: cpufeature: Use IDreg override in __read_sysreg_by_encoding()
arm64: cpufeature: Add global feature override facility
arm64: Move SCTLR_EL1 initialisation to EL-agnostic code
arm64: Simplify init_el2_state to be non-VHE only
arm64: Move VHE-specific SPE setup to mutate_to_vhe()
arm64: Drop early setting of MDSCR_EL2.TPMS
...
|
||
|
Linus Torvalds
|
7b15c27e2f |
These changes fix MM (soft-)dirty bit management in the procfs code & clean up the API.
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||
|
Linus Torvalds
|
5bbb336ba7 |
for-5.12/io_uring-2021-02-17
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Merge tag 'for-5.12/io_uring-2021-02-17' of git://git.kernel.dk/linux-block
Pull io_uring updates from Jens Axboe:
"Highlights from this cycles are things like request recycling and
task_work optimizations, which net us anywhere from 10-20% of speedups
on workloads that mostly are inline.
This work was originally done to put io_uring under memcg, which adds
considerable overhead. But it's a really nice win as well. Also worth
highlighting is the LOOKUP_CACHED work in the VFS, and using it in
io_uring. Greatly speeds up the fast path for file opens.
Summary:
- Put io_uring under memcg protection. We accounted just the rings
themselves under rlimit memlock before, now we account everything.
- Request cache recycling, persistent across invocations (Pavel, me)
- First part of a cleanup/improvement to buffer registration (Bijan)
- SQPOLL fixes (Hao)
- File registration NULL pointer fixup (Dan)
- LOOKUP_CACHED support for io_uring
- Disable /proc/thread-self/ for io_uring, like we do for /proc/self
- Add Pavel to the io_uring MAINTAINERS entry
- Tons of code cleanups and optimizations (Pavel)
- Support for skip entries in file registration (Noah)"
* tag 'for-5.12/io_uring-2021-02-17' of git://git.kernel.dk/linux-block: (103 commits)
io_uring: tctx->task_lock should be IRQ safe
proc: don't allow async path resolution of /proc/thread-self components
io_uring: kill cached requests from exiting task closing the ring
io_uring: add helper to free all request caches
io_uring: allow task match to be passed to io_req_cache_free()
io-wq: clear out worker ->fs and ->files
io_uring: optimise io_init_req() flags setting
io_uring: clean io_req_find_next() fast check
io_uring: don't check PF_EXITING from syscall
io_uring: don't split out consume out of SQE get
io_uring: save ctx put/get for task_work submit
io_uring: don't duplicate io_req_task_queue()
io_uring: optimise SQPOLL mm/files grabbing
io_uring: optimise out unlikely link queue
io_uring: take compl state from submit state
io_uring: inline io_complete_rw_common()
io_uring: move res check out of io_rw_reissue()
io_uring: simplify iopoll reissuing
io_uring: clean up io_req_free_batch_finish()
io_uring: move submit side state closer in the ring
...
|
||
|
Linus Torvalds
|
582cd91f69 |
for-5.12/block-2021-02-17
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||
|
Linus Torvalds
|
24880bef41 |
Remove oprofile and dcookies support
The "oprofile" user-space tools don't use the kernel OPROFILE support any more, and haven't in a long time. User-space has been converted to the perf interfaces. The dcookies stuff is only used by the oprofile code. Now that oprofile's support is getting removed from the kernel, there is no need for dcookies as well. Remove kernel's old oprofile and dcookies support. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJgJMEVAAoJENK5HDyugRIcL8YP/jkmXH5CZT80ntcqrJGWKcG7 lWbach7uNeQteht7B1ZPKvojxizTkmfrN2sClX0B2hbGkc5TiWUQ2ZSnvnfWDZ8+ z2qQcEB11G/ReL2vvRk1fJlWdAOyUfrPee/44AkemnLRv+Niw/8PqnGd87yDQGsK qy5E1XXfbjUq6Y/uMiLOX3+21I6w6o2Q6I3NNXC93s0wS3awqnft8n0XBC7iAPBj eowRJxpdRU2Vcuj8UOzzOI7gQlwdjwYImyLPbRy/V8NawC8a+FHrPrf5/GCYlVzl 7TGFBsDQSmzvrBChUfoGz1Rq/VZ1a357p5rhRqemfUrdkjW+vyzelnD8I1W/hb2o SmBXoPoyl3+UkFHNyJI0mI7obaV+2PzyXMV0JIQUj+IiX/mfeFv0nF4XfZD2IkRt 6xhaYj775Zrx32iBdGZIvvLg5Gh9ZkZmR5vJ7Fi/EIZFe6Z+bZnPKUROnAgS/o0z +UkSygOhgo/1XbqrzZVk1iweWeu+EUMbY4YQv2qVnFhpvsq4ieThcUGQpWcxGjjH WP8O0n1yq1slsnpUtxhiTsm46ENajx9zZp6Iv6Ws+NM0RUqjND8BdF1co9WGD3LS cnZMFBs4Bg/V1HICL/D4s6L7t1ofrEXIgJH1y3iF0HeECq03mU4CgA/qly9Aebqg UxPF3oNlVOPlds9FzsU2 =I2Ac -----END PGP SIGNATURE----- Merge tag 'oprofile-removal-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/linux Pull oprofile and dcookies removal from Viresh Kumar: "Remove oprofile and dcookies support The 'oprofile' user-space tools don't use the kernel OPROFILE support any more, and haven't in a long time. User-space has been converted to the perf interfaces. The dcookies stuff is only used by the oprofile code. Now that oprofile's support is getting removed from the kernel, there is no need for dcookies as well. Remove kernel's old oprofile and dcookies support" * tag 'oprofile-removal-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/linux: fs: Remove dcookies support drivers: Remove CONFIG_OPROFILE support arch: xtensa: Remove CONFIG_OPROFILE support arch: x86: Remove CONFIG_OPROFILE support arch: sparc: Remove CONFIG_OPROFILE support arch: sh: Remove CONFIG_OPROFILE support arch: s390: Remove CONFIG_OPROFILE support arch: powerpc: Remove oprofile arch: powerpc: Stop building and using oprofile arch: parisc: Remove CONFIG_OPROFILE support arch: mips: Remove CONFIG_OPROFILE support arch: microblaze: Remove CONFIG_OPROFILE support arch: ia64: Remove rest of perfmon support arch: ia64: Remove CONFIG_OPROFILE support arch: hexagon: Don't select HAVE_OPROFILE arch: arc: Remove CONFIG_OPROFILE support arch: arm: Remove CONFIG_OPROFILE support arch: alpha: Remove CONFIG_OPROFILE support |
||
|
Linus Torvalds
|
b52bb135aa |
New code for 5.12:
- Fix an ABBA deadlock when renaming files on overlayfs.
- Make sure that we can't overflow the inode extent counters when adding
to or removing extents from a file.
- Make directory sgid inheritance work the same way as all the other
filesystems.
- Don't drain the buffer cache on freeze and ro remount, which should
reduce the amount of time if read-only workloads are continuing
during the freeze.
- Fix a bug where symlink size isn't reported to the vfs in ecryptfs.
- Disentangle log cleaning from log covering. This refactoring sets us
up for future changes to the log, though for now it simply means that
we can use covering for freezes, and cleaning becomes something we
only do at unmount.
- Speed up file fsyncs by reducing iolock cycling.
- Fix delalloc blocks leaking when changing the project id fails because
of input validation errors in FSSETXATTR.
- Fix oversized quota reservation when converting unwritten extents
during a DAX write.
- Create a transaction allocation helper function to standardize the
idiom of allocating a transaction, reserving blocks, locking inodes,
and reserving quota. Replace all the open-coded logic for file
creation, file ownership changes, and file modifications to use them.
- Actually shut down the fs if the incore quota reservations get
corrupted.
- Fix background block garbage collection scans to not block and to
actually clean out CoW staging extents properly.
- Run block gc scans when we run low on project quota.
- Use the standardized transaction allocation helpers to make it so that
ENOSPC and EDQUOT errors during reservation will back out, invoke the
block gc scanner, and try again. This is preparation for introducing
background inode garbage collection in the next cycle.
- Combine speculative post-EOF block garbage collection with speculative
copy on write block garbage collection.
- Enable multithreaded quotacheck.
- Allow sysadmins to tweak the CPU affinities and maximum concurrency
levels of quotacheck and background blockgc worker pools.
- Expose the inode btree counter feature in the fs geometry ioctl.
- Cleanups of the growfs code in preparation for starting work on
filesystem shrinking.
- Fix all the bloody gcc warnings that the maintainer knows about. :P
- Fix a RST syntax error.
- Don't trigger bmbt corruption assertions after the fs shuts down.
- Restore behavior of forcing SIGBUS on a shut down filesystem when
someone triggers a mmap write fault (or really, any buffered write).
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Merge tag 'xfs-5.12-merge-5' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs updates from Darrick Wong:
"There's a lot going on this time, which seems about right for this
drama-filled year.
Community developers added some code to speed up freezing when
read-only workloads are still running, refactored the logging code,
added checks to prevent file extent counter overflow, reduced iolock
cycling to speed up fsync and gc scans, and started the slow march
towards supporting filesystem shrinking.
There's a huge refactoring of the internal speculative preallocation
garbage collection code which fixes a bunch of bugs, makes the gc
scheduling per-AG and hence multithreaded, and standardizes the retry
logic when we try to reserve space or quota, can't, and want to
trigger a gc scan. We also enable multithreaded quotacheck to reduce
mount times further. This is also preparation for background file gc,
which may or may not land for 5.13.
We also fixed some deadlocks in the rename code, fixed a quota
accounting leak when FSSETXATTR fails, restored the behavior that
write faults to an mmap'd region actually cause a SIGBUS, fixed a bug
where sgid directory inheritance wasn't quite working properly, and
fixed a bug where symlinks weren't working properly in ecryptfs. We
also now advertise the inode btree counters feature that was
introduced two cycles ago.
Summary:
- Fix an ABBA deadlock when renaming files on overlayfs.
- Make sure that we can't overflow the inode extent counters when
adding to or removing extents from a file.
- Make directory sgid inheritance work the same way as all the other
filesystems.
- Don't drain the buffer cache on freeze and ro remount, which should
reduce the amount of time if read-only workloads are continuing
during the freeze.
- Fix a bug where symlink size isn't reported to the vfs in ecryptfs.
- Disentangle log cleaning from log covering. This refactoring sets
us up for future changes to the log, though for now it simply means
that we can use covering for freezes, and cleaning becomes
something we only do at unmount.
- Speed up file fsyncs by reducing iolock cycling.
- Fix delalloc blocks leaking when changing the project id fails
because of input validation errors in FSSETXATTR.
- Fix oversized quota reservation when converting unwritten extents
during a DAX write.
- Create a transaction allocation helper function to standardize the
idiom of allocating a transaction, reserving blocks, locking
inodes, and reserving quota. Replace all the open-coded logic for
file creation, file ownership changes, and file modifications to
use them.
- Actually shut down the fs if the incore quota reservations get
corrupted.
- Fix background block garbage collection scans to not block and to
actually clean out CoW staging extents properly.
- Run block gc scans when we run low on project quota.
- Use the standardized transaction allocation helpers to make it so
that ENOSPC and EDQUOT errors during reservation will back out,
invoke the block gc scanner, and try again. This is preparation for
introducing background inode garbage collection in the next cycle.
- Combine speculative post-EOF block garbage collection with
speculative copy on write block garbage collection.
- Enable multithreaded quotacheck.
- Allow sysadmins to tweak the CPU affinities and maximum concurrency
levels of quotacheck and background blockgc worker pools.
- Expose the inode btree counter feature in the fs geometry ioctl.
- Cleanups of the growfs code in preparation for starting work on
filesystem shrinking.
- Fix all the bloody gcc warnings that the maintainer knows about. :P
- Fix a RST syntax error.
- Don't trigger bmbt corruption assertions after the fs shuts down.
- Restore behavior of forcing SIGBUS on a shut down filesystem when
someone triggers a mmap write fault (or really, any buffered
write)"
* tag 'xfs-5.12-merge-5' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (85 commits)
xfs: consider shutdown in bmapbt cursor delete assert
xfs: fix boolreturn.cocci warnings
xfs: restore shutdown check in mapped write fault path
xfs: fix rst syntax error in admin guide
xfs: fix incorrect root dquot corruption error when switching group/project quota types
xfs: get rid of xfs_growfs_{data,log}_t
xfs: rename `new' to `delta' in xfs_growfs_data_private()
libxfs: expose inobtcount in xfs geometry
xfs: don't bounce the iolock between free_{eof,cow}blocks
xfs: expose the blockgc workqueue knobs publicly
xfs: parallelize block preallocation garbage collection
xfs: rename block gc start and stop functions
xfs: only walk the incore inode tree once per blockgc scan
xfs: consolidate the eofblocks and cowblocks workers
xfs: consolidate incore inode radix tree posteof/cowblocks tags
xfs: remove trivial eof/cowblocks functions
xfs: hide xfs_icache_free_cowblocks
xfs: hide xfs_icache_free_eofblocks
xfs: relocate the eofb/cowb workqueue functions
xfs: set WQ_SYSFS on all workqueues in debug mode
...
|
||
|
Linus Torvalds
|
4f016a316f |
New code for 5.12:
- Adjust the final parameter of iomap_dio_rw.
- Add a new flag to request that iomap directio writes return EAGAIN if
the write is not a pure overwrite within EOF; this will be used to
reduce lock contention with unaligned direct writes on XFS.
- Amend XFS' directio code to eliminate exclusive locking for unaligned
direct writes if the circumstances permit
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Merge tag 'iomap-5.12-merge-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull iomap updates from Darrick Wong:
"The big change in this cycle is some new code to make it possible for
XFS to try unaligned directio overwrites without taking locks. If the
block is fully written and within EOF (i.e. doesn't require any
further fs intervention) then we can let the unlocked write proceed.
If not, we fall back to synchronizing direct writes.
Summary:
- Adjust the final parameter of iomap_dio_rw.
- Add a new flag to request that iomap directio writes return EAGAIN
if the write is not a pure overwrite within EOF; this will be used
to reduce lock contention with unaligned direct writes on XFS.
- Amend XFS' directio code to eliminate exclusive locking for
unaligned direct writes if the circumstances permit"
* tag 'iomap-5.12-merge-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: reduce exclusive locking on unaligned dio
xfs: split the unaligned DIO write code out
xfs: improve the reflink_bounce_dio_write tracepoint
xfs: simplify the read/write tracepoints
xfs: remove the buffered I/O fallback assert
xfs: cleanup the read/write helper naming
xfs: make xfs_file_aio_write_checks IOCB_NOWAIT-aware
xfs: factor out a xfs_ilock_iocb helper
iomap: add a IOMAP_DIO_OVERWRITE_ONLY flag
iomap: pass a flags argument to iomap_dio_rw
iomap: rename the flags variable in __iomap_dio_rw
|
||
|
Linus Torvalds
|
f02361639a |
pstore update for v5.12-rc1
- Fix a CONFIG typo (Jiri Bohac) -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEpcP2jyKd1g9yPm4TiXL039xtwCYFAmAuz1gACgkQiXL039xt wCbHmA/8Dweb4NELHwpMb+7CS0YTtQSkDsZT8PeKnIl3UaoZKQdTcolCm/20wkDx Pvh25zu9bCwut9bYtAiMSKTsfvOIJAxLiPpLNtyuukx/MtGo6SUVaxRZ2Cm1HL+c uQBCgBXnMGznJPOiU0O6/AH9QFr+HQMuXjRHuIBabNOnat93s4sSSefbSAaCUlFS TOTCEIUpTS3w3s0KUGuVsQ8M/OLg/in5JZ+Hbvfq7dejHi/5lQlBDkd8juqzapOL BCW4s45NIrnXOFqImFnDx7M6vXB8nt/D8Wf/70Qv7tQgqbFjU7qz0r4HEwGAlghG DYr5kr5R58tmqyYPuswJKgxdJi8DvmVI9XMdmST2XRIkgQpFfF9Fi5JrNHKXPDHV mFIC58ts17BmAE32jEglYgndYg86YkX+uNYJ/9mZ5s0LEYHzQE1AlNwz7+zlKMQJ ByiSs+TRDEWvintB1BXtba5W/IE1uqkieZp4NFmwIddvTGj9DCz0ST3eLhyJX7Jd RBR3HH83SOR1T1Nis+rIMSMurgSzMo+XH4w2G0+Bo3KAujqyZAnxu/TczTeEtvR1 5fbpVG7KBtKOLsCPHGAzOP5YRj/Y1M7toAIANZpgStn5rqgQIvdS2JiWFfYs4MWU fdGAO+mTfuXpfZwUt8IVFZ0cC56z6mJ8RRUEHhk+M0N7CdD2Jps= =zSj6 -----END PGP SIGNATURE----- Merge tag 'pstore-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull pstore fix from Kees Cook: "Fix a CONFIG typo (Jiri Bohac)" * tag 'pstore-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: pstore: Fix typo in compression option name |
||
|
Linus Torvalds
|
f7b36dc5cb |
fsverity updates for 5.12
Add an ioctl which allows reading fs-verity metadata from a file. This is useful when a file with fs-verity enabled needs to be served somewhere, and the other end wants to do its own fs-verity compatible verification of the file. See the commit messages for details. This new ioctl has been tested using new xfstests I've written for it. -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQSacvsUNc7UX4ntmEPzXCl4vpKOKwUCYCv/2hQcZWJpZ2dlcnNA Z29vZ2xlLmNvbQAKCRDzXCl4vpKOK6/7AQDRmmnV+G34yGPCWfu8tyjdYvWPyak2 IA/I+eM6S/F+4QEAkbX6rOwYVhLHN9KSOYyNhJiBchm6xq83J+R8BYh/Kw0= =FPNK -----END PGP SIGNATURE----- Merge tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt Pull fsverity updates from Eric Biggers: "Add an ioctl which allows reading fs-verity metadata from a file. This is useful when a file with fs-verity enabled needs to be served somewhere, and the other end wants to do its own fs-verity compatible verification of the file. See the commit messages for details. This new ioctl has been tested using new xfstests I've written for it" * tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt: fs-verity: support reading signature with ioctl fs-verity: support reading descriptor with ioctl fs-verity: support reading Merkle tree with ioctl fs-verity: add FS_IOC_READ_VERITY_METADATA ioctl fs-verity: don't pass whole descriptor to fsverity_verify_signature() fs-verity: factor out fsverity_get_descriptor() |
||
|
Linus Torvalds
|
99f1a5872b |
Highlights:
- Update NFSv2 and NFSv3 XDR decoding functions - Further improve support for re-exporting NFS mounts - Convert NFSD stats to per-CPU counters - Add batch Receive posting to the server's RPC/RDMA transport -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEKLLlsBKG3yQ88j7+M2qzM29mf5cFAmAYVsAACgkQM2qzM29m f5f1Lg/+IBC7Bhnnc8jNr4nv4IntCwwKdx2VzSzQszbN/kkhLZK89u36nZyqp0RB Vg3olyS5DseEisMMx0rI0KkHBz7pz+kXVdOGvve8fHBZvewnJ/FpxNZPChG4aMDc mfjHLvDHO0/GoUqSftrBrjSEJ2jHoNdDcmvzgdAlugTuLOjGX3HhmKa3ZYVTNgFn kDmFMaEHjS3pb3LqNDHNIYYpNnvtIukxHUh9weDvr+AH8Rmt/WVfjDc26xBS0FQu jDJUk9AP06VYgZx0dLKp4In8GJYwz9DNjNrWm91+RyJml9AWrFswdBHHcfi0W/Yy GipkBZGYE6ZblyMlITZCB4etyHQsq7qLuqicTlcXjL/Fdkd7xlT8DwFlZ8LjpyCU LeHTI2cGzRSJ/JjL2hvhPvT3gR5hln/qk17jSP7V4S6psZAqAEvw/Xa/+MDJhB/b vnzltFPvEgZc59Q/SJLbaWZLHy1q0enbrOBLMZDmUlk911/tgAuflHJM60N8o732 vkfy05pvZlrV0cFY546pQd7zTKZcAOYPVHHoP25wPa2ibKBu6eQ6kZEi5zu+tVK3 CkvqIhePFspBMQ6GOPKixTiFV4KFoO1HBtk+JEeMkiHXHk1xATCWbg1m7wkaagsq NNS/qFkLRnftGYpFViBaxTFBGxiBOSbsTIS/zfj5L7JOpW4FRD4= =02xw -----END PGP SIGNATURE----- Merge tag 'nfsd-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux Pull nfsd updates from Chuck Lever: - Update NFSv2 and NFSv3 XDR decoding functions - Further improve support for re-exporting NFS mounts - Convert NFSD stats to per-CPU counters - Add batch Receive posting to the server's RPC/RDMA transport * tag 'nfsd-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: (65 commits) nfsd: skip some unnecessary stats in the v4 case nfs: use change attribute for NFS re-exports NFSv4_2: SSC helper should use its own config. nfsd: cstate->session->se_client -> cstate->clp nfsd: simplify nfsd4_check_open_reclaim nfsd: remove unused set_client argument nfsd: find_cpntf_state cleanup nfsd: refactor set_client nfsd: rename lookup_clientid->set_client nfsd: simplify nfsd_renew nfsd: simplify process_lock nfsd4: simplify process_lookup1 SUNRPC: Correct a comment svcrdma: DMA-sync the receive buffer in svc_rdma_recvfrom() svcrdma: Reduce Receive doorbell rate svcrdma: Deprecate stat variables that are no longer used svcrdma: Restore read and write stats svcrdma: Convert rdma_stat_sq_starve to a per-CPU counter svcrdma: Convert rdma_stat_recv to a per-CPU counter svcrdma: Refactor svc_rdma_init() and svc_rdma_clean_up() ... |
||
|
Linus Torvalds
|
681e2abe21 |
Changes since last update:
- fix shift-out-of-bounds of crafted blkszbits generated by syzkaller; - ensure initialized fields can only be observed after bit is set. -----BEGIN PGP SIGNATURE----- iIsEABYIADMWIQThPAmQN9sSA0DVxtI5NzHcH7XmBAUCYC5qFBUcaHNpYW5na2Fv QHJlZGhhdC5jb20ACgkQOTcx3B+15gT4PwD/W8BGqC3/uBC6qGJuNkRteFmaIDvB EplXizcZ+6ennkkBAIbbEsFx8K3TM/tg45YqV+ebjRbsH4NG1owVqb8ZAc0M =Ni8F -----END PGP SIGNATURE----- Merge tag 'erofs-for-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs Pull erofs updates from Gao Xiang: "This contains a somewhat important but rarely reproduced fix reported month ago for platforms which have weak memory model (e.g. arm64). The root cause is that test_bit/set_bit atomic operations are actually implemented in relaxed forms, and uninitialized fields governed by an atomic bit could be observed in advance due to memory reordering thus memory barrier pairs should be used. There is also a trivial fix of crafted blkszbits generated by syzkaller. Summary: - fix shift-out-of-bounds of crafted blkszbits generated by syzkaller - ensure initialized fields can only be observed after bit is set" * tag 'erofs-for-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs: erofs: initialized fields can only be observed after bit is set erofs: fix shift-out-of-bounds of blkszbits |
||
|
Linus Torvalds
|
8b42fe123b |
f2fs-for-5.12-rc1
We've added two major features: 1) compression level and 2) checkpoint_merge, in
this round. 1) compression level expands 'compress_algorithm' mount option to
accept parameter as format of <algorithm>:<level>, by this way, it gives a way
to allow user to do more specified config on lz4 and zstd compression level,
then f2fs compression can provide higher compress ratio. 2) checkpoint_merge
creates a kernel daemon and makes it to merge concurrent checkpoint requests as
much as possible to eliminate redundant checkpoint issues. Plus, we can
eliminate the sluggish issue caused by slow checkpoint operation when the
checkpoint is done in a process context in a cgroup having low i/o budget and
cpu shares.
Enhancement:
- add compress level for lz4 and zstd in mount option
- checkpoint_merge mount option
- deprecate f2fs_trace_io
Bug fix:
- flush data when enabling checkpoint back
- handle corner cases of mount options
- missing ACL update and lock for I_LINKABLE flag
- attach FIEMAP_EXTENT_MERGED in f2fs_fiemap
- fix potential deadlock in compression flow
- fix wrong submit_io condition
As usual, we've cleaned up many code flows and fixed minor bugs.
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Merge tag 'f2fs-for-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"We've added two major features: 1) compression level and 2)
checkpoint_merge, in this round.
Compression level expands 'compress_algorithm' mount option to accept
parameter as format of <algorithm>:<level>, by this way, it gives a
way to allow user to do more specified config on lz4 and zstd
compression level, then f2fs compression can provide higher compress
ratio.
checkpoint_merge creates a kernel daemon and makes it to merge
concurrent checkpoint requests as much as possible to eliminate
redundant checkpoint issues. Plus, we can eliminate the sluggish issue
caused by slow checkpoint operation when the checkpoint is done in a
process context in a cgroup having low i/o budget and cpu shares.
Enhancements:
- add compress level for lz4 and zstd in mount option
- checkpoint_merge mount option
- deprecate f2fs_trace_io
Bug fixes:
- flush data when enabling checkpoint back
- handle corner cases of mount options
- missing ACL update and lock for I_LINKABLE flag
- attach FIEMAP_EXTENT_MERGED in f2fs_fiemap
- fix potential deadlock in compression flow
- fix wrong submit_io condition
As usual, we've cleaned up many code flows and fixed minor bugs"
* tag 'f2fs-for-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (32 commits)
Documentation: f2fs: fix typo s/automaic/automatic
f2fs: give a warning only for readonly partition
f2fs: don't grab superblock freeze for flush/ckpt thread
f2fs: add ckpt_thread_ioprio sysfs node
f2fs: introduce checkpoint_merge mount option
f2fs: relocate inline conversion from mmap() to mkwrite()
f2fs: fix a wrong condition in __submit_bio
f2fs: remove unnecessary initialization in xattr.c
f2fs: fix to avoid inconsistent quota data
f2fs: flush data when enabling checkpoint back
f2fs: deprecate f2fs_trace_io
f2fs: Remove readahead collision detection
f2fs: remove unused stat_{inc, dec}_atomic_write
f2fs: introduce sb_status sysfs node
f2fs: fix to use per-inode maxbytes
f2fs: compress: fix potential deadlock
libfs: unexport generic_ci_d_compare() and generic_ci_d_hash()
f2fs: fix to set/clear I_LINKABLE under i_lock
f2fs: fix null page reference in redirty_blocks
f2fs: clean up post-read processing
...
|
||
|
Linus Torvalds
|
6f3952cbe0 |
for-5.12-tag
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Merge tag 'for-5.12-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"This brings updates of space handling, performance improvements or bug
fixes. The subpage block size and zoned mode features have reached
state where they're usable but with limitations.
Performance or related:
- do not block on deleted block group mutex in the cleaner, avoids
some long stalls
- improved flushing: make it work better with ticket space
reservations and avoid excessive transaction commits in some
scenarios, slightly improves throughput for random write load
- preemptive background flushing: separate the logic from ticket
reservations, improve the accounting and decisions when to flush in
low space conditions
- less lock contention related to running delayed refs, let just one
thread do the flushing when there are many inside transaction
commit
- dbench workload improvements: avoid unnecessary work when logging
inodes, fewer fallbacks to transaction commit and thus less waiting
for it (+7% throughput, -20% latency)
Core:
- subpage block size
- currently read-only support
- refactor and generalize code where sectorsize is assumed to be
page size, add the subpage handling everywhere
- the read-write support is on the way, page sizes are still
limited to 4K or 64K
- zoned mode, first working version but with limitations
- SMR/ZBC/ZNS friendly allocation mode, utilizing the "no fixed
location for structures" and chunked allocation
- superblock as the only fixed data structure needs special
handling, uses 2 consecutive zones as a ring buffer
- tree-log support with a dedicated block group to avoid unordered
writes
- emulated zones on non-zoned devices
- not yet working
- all non-single block group profiles, requires more zone write
pointer synchronization between the multiple block groups
- fitrim due to dependency on space cache, can be implemented
Fixes:
- ref-verify: proper tree owner and node level tracking
- fix pinned byte accounting, causing some early ENOSPC now more
likely due to other changes in delayed refs
Other:
- error handling fixes and improvements
- more error injection points
- more function documentation
- more and updated tracepoints
- subset of W=1 checked by default
- update comments to allow more automatic kdoc parameter checks"
* tag 'for-5.12-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (144 commits)
btrfs: zoned: enable to mount ZONED incompat flag
btrfs: zoned: deal with holes writing out tree-log pages
btrfs: zoned: reorder log node allocation on zoned filesystem
btrfs: zoned: serialize log transaction on zoned filesystems
btrfs: zoned: extend zoned allocator to use dedicated tree-log block group
btrfs: split alloc_log_tree()
btrfs: zoned: relocate block group to repair IO failure in zoned filesystems
btrfs: zoned: enable relocation on a zoned filesystem
btrfs: zoned: support dev-replace in zoned filesystems
btrfs: zoned: implement copying for zoned device-replace
btrfs: zoned: implement cloning for zoned device-replace
btrfs: zoned: mark block groups to copy for device-replace
btrfs: zoned: do not use async metadata checksum on zoned filesystems
btrfs: zoned: wait for existing extents before truncating
btrfs: zoned: serialize metadata IO
btrfs: zoned: introduce dedicated data write path for zoned filesystems
btrfs: zoned: enable zone append writing for direct IO
btrfs: zoned: use ZONE_APPEND write for zoned mode
btrfs: save irq flags when looking up an ordered extent
btrfs: zoned: cache if block group is on a sequential zone
...
|
||
|
Linus Torvalds
|
f9d58de231 |
affs-for-5.12-tag
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||
|
Linus Torvalds
|
d88e8b67a6 |
A few jfs fixes
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||
|
Linus Torvalds
|
961a9b512d |
fcntl() fix for v5.12
-----BEGIN PGP SIGNATURE----- iQJHBAABCAAxFiEES8DXskRxsqGE6vXTAA5oQRlWghUFAmAqXhITHGpsYXl0b25A a2VybmVsLm9yZwAKCRAADmhBGVaCFc2CEAC2WgxNFYXUINTo8FzmgYquLrVfj04X ecXUJwOJBUQjg+F46OENufh0uREI9DmwlW9RWQAwiVBecLK24vz0WBhKOi/88JhG 8S1I2YL3zIBbnOyBKwAiuK7y3uAQswvKRFRzaY7+aFxVvagDO2YC0l4QCdg3WDp/ n9es8OksUR04ztMYLn6qT1xHb1pWXUmHeYiGzmhgWBwyPygs5OxSP+y2qmDkj08l o64f3GdUZivF6tT7m7rBDrx9pzUha8oqEw8+LDgiUEaq7ZeMVxHSuFVNHW7fCWVH ICLfeZPUEZgdMD0w2v5+z/jpy8H4tm2bWNtOWxba1uQoUj5cHrPVuYXSSU1rt5SP +yHCSyr4eEfR211d7j/U+v/O+WwJCFHRxzE9PdUpi6VlMnuTVkBhrbSGMtBiQRv7 UUwXN3JLRPO63d1D2rfpqxMspZpp5e70TpWKXYLQ69Fl1j0GcF1eLfnKsHPZld8C Uqfa+CUwRDJKEpnprVn0BOHUlWoPHu4pUIz/gf52pN2v+mTAziZA7WHdxR30V8Pm H1VAhRX+rPNXsjHzc9TuQK+IsaDenKHRyBOrteBS0TT1hBLF+pe0ocOVgMSP+H3w p0BL3bVf6gToKRZMnT5+L5GA0Zp1PIQCODyjfSRxQGtNNumnGr/vmZsGka0j3gIW JO6I+6fsEr0TEg== =hsmB -----END PGP SIGNATURE----- Merge tag 'locks-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux Pull fcntl fix from Jeff Layton. * tag 'locks-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux: fcntl: make F_GETOWN(EX) return 0 on dead owner task |
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Linus Torvalds
|
c57b1f0a5f |
Merge branch 'work.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull namei updates from Al Viro: "Most of that pile is LOOKUP_CACHED series; the rest is a couple of misc cleanups in the general area... There's a minor bisect hazard in the end of series, and normally I would've just folded the fix into the previous commit, but this branch is shared with Jens' tree, with stuff on top of it in there, so that would've required rebases outside of vfs.git" * 'work.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: fix handling of nd->depth on LOOKUP_CACHED failures in try_to_unlazy* fs: expose LOOKUP_CACHED through openat2() RESOLVE_CACHED fs: add support for LOOKUP_CACHED saner calling conventions for unlazy_child() fs: make unlazy_walk() error handling consistent fs/namei.c: Remove unlikely of status being -ECHILD in lookup_fast() do_tmpfile(): don't mess with finish_open() |
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Linus Torvalds
|
591fd30eee |
Merge branch 'work.elf-compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull ELF compat updates from Al Viro:
"Sanitizing ELF compat support, especially for triarch architectures:
- X32 handling cleaned up
- MIPS64 uses compat_binfmt_elf.c both for O32 and N32 now
- Kconfig side of things regularized
Eventually I hope to have compat_binfmt_elf.c killed, with both native
and compat built from fs/binfmt_elf.c, with -DELF_BITS={64,32} passed
by kbuild, but that's a separate story - not included here"
* 'work.elf-compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
get rid of COMPAT_ELF_EXEC_PAGESIZE
compat_binfmt_elf: don't bother with undef of ELF_ARCH
Kconfig: regularize selection of CONFIG_BINFMT_ELF
mips compat: switch to compat_binfmt_elf.c
mips: don't bother with ELF_CORE_EFLAGS
mips compat: don't bother with ELF_ET_DYN_BASE
mips: KVM_GUEST makes no sense for 64bit builds...
mips: kill unused definitions in binfmt_elf[on]32.c
mips binfmt_elf*32.c: use elfcore-compat.h
x32: make X32, !IA32_EMULATION setups able to execute x32 binaries
[amd64] clean PRSTATUS_SIZE/SET_PR_FPVALID up properly
elf_prstatus: collect the common part (everything before pr_reg) into a struct
binfmt_elf: partially sanitize PRSTATUS_SIZE and SET_PR_FPVALID
|
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Linus Torvalds
|
054560e961 |
Merge branch 'work.sendfile' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull sendfile updates from Al Viro: "Make sendfile() to pipe destination do the right thing, should make 'fs/pipe: allow sendfile() to pipe again' redundant" * 'work.sendfile' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: teach sendfile(2) to handle send-to-pipe directly take the guts of file-to-pipe splice into a helper function do_splice_to(): move the logics for limiting the read length in |
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Linus Torvalds
|
584ce3c9b4 |
SoC platform removal
There are a lot of platforms that have not seen any interesting code changes in the past five years or more. I made a list and asked around which ones are no longer in use [1], and received confirmation about six ARM platforms and the TI C6x architecture that have all reached the end of their life upstream, with no known users remaining: - efm32 -- added in 2011, first Cortex-M, no notable changes after 2013 - picoxcell -- added in 2011, abandoned after 2012 acquisition - prima2 -- added in 20111, no notable changes since 2015 - tango -- added in 2015, sporadic changes until 2017, but abandoned - u300 -- added in 2009, no notable changes since 2013 - zx --added in 2015 for both 32, 2017 for 64 bit, no notable changes - arch/c6x -- added in 2011, but work stalled soon after that A number of other platforms on the original list turned out to still have users. In some cases there are out-of-tree patches and users that plan to contribute them in the future, in other cases the code is complete and works reliably. [1] https://lore.kernel.org/lkml/CAK8P3a2DZ8xQp7R=H=wewHnT2=a_=M53QsZOueMVEf7tOZLKNg@mail.gmail.com/ Signed-off-by: Arnd Bergmann <arnd@arndb.de> -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEiK/NIGsWEZVxh/FrYKtH/8kJUicFAmApiR8ACgkQYKtH/8kJ Uifl7A//RZVyxUSlbD/StS6oEOmkZH8j0L7yeYOKkSHGZI+6Dqxo6rooKymbeflk jJvDVQqLcrclT/7rWsKesdN8aW+ilfWrby5nDsWivsROrTw3DdvZgkjh7KYz7tA/ OxygKQu4W9I+ywJltR4ykTUxXohjU+duHPuZJawQk64xE3Q0MWxJlQQ2kHJYVJRu /rWgNDQaI2d8HFhhEVsn4PC0RLWfUuBevKEuRYqZwM/oB/HuYjY+uTUGe2RhlgWb sbcoD93JP2MghSypq33/UtEl4Uk7Wpdv2bshTTv8DL5ToltY7wD8qIIh+aSJk9hP 0FG3NTia7e9dqQQR2bskspGxP73iIuSN1exAbm/Ten5sysy6IsESmzqZRxXv+7Z1 q1Oyc4wYaotJPAxMOE00RMLiRa5domI8V6Y10I5uyOcmpRvwWK2WfCOE7D3WSQ5M i1JiqLnC5JtJ0vyVBeRKo99zZImeXXrmS0n+fcARGtcKwAqKSvKxFcLTmkj3KqHv L4Xgy5f83QrMZWmldX7IiwWjTar2geBM7pFgG/z3R6JqkaxWiDHxyok6j1WUCE7b MViRZ8wT7JC5sIkHuwXZ4jvAXPqHq6J1rmJreU6N/jzmv/PTQoUnQ3C/MbDNhuv8 NDVSRgrPcd/T0BrBkzIWk3t+Oh6ikDgflWsWkqIRFG0vCNx+KdM= =pf3b -----END PGP SIGNATURE----- Merge tag 'arm-platform-removal-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull ARM SoC platform removals from Arnd Bergmann: "There are a lot of platforms that have not seen any interesting code changes in the past five years or more. I made a list and asked around which ones are no longer in use, and received confirmation about six ARM platforms and the TI C6x architecture that have all reached the end of their life upstream, with no known users remaining: - efm32 - added in 2011, first Cortex-M, no notable changes after 2013 - picoxcell - added in 2011, abandoned after 2012 acquisition - prima2 - added in 20111, no notable changes since 2015 - tango - added in 2015, sporadic changes until 2017, but abandoned - u300 - added in 2009, no notable changes since 2013 - zx - added in 2015 for both 32, 2017 for 64 bit, no notable changes - arch/c6x - added in 2011, but work stalled soon after that A number of other platforms on the original list turned out to still have users. In some cases there are out-of-tree patches and users that plan to contribute them in the future, in other cases the code is complete and works reliably" Link: https://lore.kernel.org/lkml/CAK8P3a2DZ8xQp7R=H=wewHnT2=a_=M53QsZOueMVEf7tOZLKNg@mail.gmail.com/ * tag 'arm-platform-removal-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: ARM: remove u300 platform ARM: remove tango platform ARM: remove zte zx platform ARM: remove sirf prima2/atlas platforms c6x: remove architecture MAINTAINERS: Remove deleted platform efm32 ARM: drop efm32 platform ARM: Remove PicoXcell platform support ARM: dts: Remove PicoXcell platforms |
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Al Viro
|
eacd9aa8ce |
fix handling of nd->depth on LOOKUP_CACHED failures in try_to_unlazy*
After switching to non-RCU mode, we want nd->depth to match the number
of entries in nd->stack[] that need eventual path_put().
legitimize_links() takes care of that on failures; unfortunately,
failure exits added for LOOKUP_CACHED do not.
We could add the logics for that into those failure exits, both in
try_to_unlazy() and in try_to_unlazy_next(), but since both checks
are immediately followed by legitimize_links() and there's no calls
of legitimize_links() other than those two... It's easier to
move the check (and required handling of nd->depth on failure) into
legitimize_links() itself.
[caught by Jens: ... and since we are zeroing ->depth here, we need
to do drop_links() first]
Fixes:
|
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Jiri Bohac
|
19d8e9149c |
pstore: Fix typo in compression option name
Both pstore_compress() and decompress_record() use a mistyped config
option name ("PSTORE_COMPRESSION" instead of "PSTORE_COMPRESS"). As
a result compression and decompression of pstore records was always
disabled.
Use the correct config option name.
Signed-off-by: Jiri Bohac <jbohac@suse.cz>
Fixes:
|
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Jens Axboe
|
0b81e80c81 |
io_uring: tctx->task_lock should be IRQ safe
We add task_work from any context, hence we need to ensure that we can
tolerate it being from IRQ context as well.
Fixes:
|
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Jens Axboe
|
0d4370cfe3 |
proc: don't allow async path resolution of /proc/thread-self components
If this is attempted by an io-wq kthread, then return -EOPNOTSUPP as we
don't currently support that. Once we can get task_pid_ptr() doing the
right thing, then this can go away again.
Use PF_IO_WORKER for this to speciically target the io_uring workers.
Modify the /proc/self/ check to use PF_IO_WORKER as well.
Cc: stable@vger.kernel.org
Fixes:
|
||
Laurent Vivier
|
2347961b11 |
binfmt_misc: pass binfmt_misc flags to the interpreter
It can be useful to the interpreter to know which flags are in use. For instance, knowing if the preserve-argv[0] is in use would allow to skip the pathname argument. This patch uses an unused auxiliary vector, AT_FLAGS, to add a flag to inform interpreter if the preserve-argv[0] is enabled. Note by Helge Deller: The real-world user of this patch is qemu-user, which needs to know if it has to preserve the argv[0]. See Debian bug #970460. Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: YunQiang Su <ysu@wavecomp.com> URL: http://bugs.debian.org/970460 Signed-off-by: Helge Deller <deller@gmx.de> |
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Wang ShaoBo
|
42119dbe57 |
ubifs: Fix error return code in alloc_wbufs()
Fix to return PTR_ERR() error code from the error handling case instead
fo 0 in function alloc_wbufs(), as done elsewhere in this function.
Fixes:
|
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Linus Torvalds
|
e42ee56fe5 |
for-5.11-rc7-tag
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Heiko Carstens
|
96c0a6a72d |
s390,alpha: switch to 64-bit ino_t
s390 and alpha are the only 64 bit architectures with a 32-bit ino_t. Since this is quite unusual this causes bugs from time to time. See e.g. commit |
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Jens Axboe
|
41be53e94f |
io_uring: kill cached requests from exiting task closing the ring
Be nice and prune these upfront, in case the ring is being shared and one of the tasks is going away. This is a bit more important now that we account the allocations. Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Jens Axboe
|
9a4fdbd8ee |
io_uring: add helper to free all request caches
We have three different ones, put it in a helper for easy calling. This is in preparation for doing it outside of ring freeing as well. With that in mind, also ensure that we do the proper locking for safe calling from a context where the ring it still live. Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Jens Axboe
|
68e68ee6e3 |
io_uring: allow task match to be passed to io_req_cache_free()
No changes in this patch, just allows a caller to pass in a targeted task that we must match for freeing requests in the cache. Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Linus Torvalds
|
7989807dc0 |
4 small smb3 fixes to the new mount API
-----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEE6fsu8pdIjtWE/DpLiiy9cAdyT1EFAmAm8mYACgkQiiy9cAdy T1FDMgwArdtgQtRL9hSOINBl19/OM9GSLszUtI/EctfZGgnGoNysIq4/pIvv7uqE egVohlVwJI4niGguU7AABj5vrthLsAbmzKi+e2N6kAcYtzpXeLvjkXVfyq/Bld66 oe7sYWMjH1TFEc64gejW7nYcxOsg93HQtAvNyyoAS3SlOOWsl2LI/AQiw3BXXVBo Jb1AkfpdBGglUW7esYVZUyVwCI/ZzYVEA0YTCpaGX+EIfdCWXm3ArNPP7E9gHOLb 3HUbNP6W5QKwgYL1tPX3s7AFEtj0+PxuREgB6mSTFOkWRRfZJUTma1AEfa9MUWGA KOnQKiIzIsmaOQGP/BumcrPr/7kgeqYEFZ2exNT8kVw6ETEHP1+A4j61KZI0mduz rgnQx21gPzVcDo0tfO8SjGSt3vzuRA+vkyZO4eB/nmTqJ4YVqX+E6E4vophKOUk2 ELqk0fUlX3uspqocZCor5nrLA0EadNV6P/LfFiRyGUTt+tOcOeYmyAdK7dWY1JTf wsd20mCY =vJKS -----END PGP SIGNATURE----- Merge tag '5.11-rc7-smb3-github' of git://github.com/smfrench/smb3-kernel Pull cifs fixes from Steve French: "Four small smb3 fixes to the new mount API (including a particularly important one for DFS links). These were found in testing this week of additional DFS scenarios, and a user testing of an apache container problem" * tag '5.11-rc7-smb3-github' of git://github.com/smfrench/smb3-kernel: cifs: Set CIFS_MOUNT_USE_PREFIX_PATH flag on setting cifs_sb->prepath. cifs: In the new mount api we get the full devname as source= cifs: do not disable noperm if multiuser mount option is not provided cifs: fix dfs-links |
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Jaegeuk Kim
|
938a184265 |
f2fs: give a warning only for readonly partition
Let's allow mounting readonly partition. We're able to recovery later once we have it as read-write back. Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> |
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Jens Axboe
|
e06aa2e94f |
io-wq: clear out worker ->fs and ->files
By default, kernel threads have init_fs and init_files assigned. In the past, this has triggered security problems, as commands that don't ask for (and hence don't get assigned) fs/files from the originating task can then attempt path resolution etc with access to parts of the system they should not be able to. Rather than add checks in the fs code for misuse, just set these to NULL. If we do attempt to use them, then the resulting code will oops rather than provide access to something that it should not permit. Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Yang Yang
|
90ada91f46 |
jffs2: check the validity of dstlen in jffs2_zlib_compress()
KASAN reports a BUG when download file in jffs2 filesystem.It is because when dstlen == 1, cpage_out will write array out of bounds. Actually, data will not be compressed in jffs2_zlib_compress() if data's length less than 4. [ 393.799778] BUG: KASAN: slab-out-of-bounds in jffs2_rtime_compress+0x214/0x2f0 at addr ffff800062e3b281 [ 393.809166] Write of size 1 by task tftp/2918 [ 393.813526] CPU: 3 PID: 2918 Comm: tftp Tainted: G B 4.9.115-rt93-EMBSYS-CGEL-6.1.R6-dirty #1 [ 393.823173] Hardware name: LS1043A RDB Board (DT) [ 393.827870] Call trace: [ 393.830322] [<ffff20000808c700>] dump_backtrace+0x0/0x2f0 [ 393.835721] [<ffff20000808ca04>] show_stack+0x14/0x20 [ 393.840774] [<ffff2000086ef700>] dump_stack+0x90/0xb0 [ 393.845829] [<ffff20000827b19c>] kasan_object_err+0x24/0x80 [ 393.851402] [<ffff20000827b404>] kasan_report_error+0x1b4/0x4d8 [ 393.857323] [<ffff20000827bae8>] kasan_report+0x38/0x40 [ 393.862548] [<ffff200008279d44>] __asan_store1+0x4c/0x58 [ 393.867859] [<ffff2000084ce2ec>] jffs2_rtime_compress+0x214/0x2f0 [ 393.873955] [<ffff2000084bb3b0>] jffs2_selected_compress+0x178/0x2a0 [ 393.880308] [<ffff2000084bb530>] jffs2_compress+0x58/0x478 [ 393.885796] [<ffff2000084c5b34>] jffs2_write_inode_range+0x13c/0x450 [ 393.892150] [<ffff2000084be0b8>] jffs2_write_end+0x2a8/0x4a0 [ 393.897811] [<ffff2000081f3008>] generic_perform_write+0x1c0/0x280 [ 393.903990] [<ffff2000081f5074>] __generic_file_write_iter+0x1c4/0x228 [ 393.910517] [<ffff2000081f5210>] generic_file_write_iter+0x138/0x288 [ 393.916870] [<ffff20000829ec1c>] __vfs_write+0x1b4/0x238 [ 393.922181] [<ffff20000829ff00>] vfs_write+0xd0/0x238 [ 393.927232] [<ffff2000082a1ba8>] SyS_write+0xa0/0x110 [ 393.932283] [<ffff20000808429c>] __sys_trace_return+0x0/0x4 [ 393.937851] Object at ffff800062e3b280, in cache kmalloc-64 size: 64 [ 393.944197] Allocated: [ 393.946552] PID = 2918 [ 393.948913] save_stack_trace_tsk+0x0/0x220 [ 393.953096] save_stack_trace+0x18/0x20 [ 393.956932] kasan_kmalloc+0xd8/0x188 [ 393.960594] __kmalloc+0x144/0x238 [ 393.963994] jffs2_selected_compress+0x48/0x2a0 [ 393.968524] jffs2_compress+0x58/0x478 [ 393.972273] jffs2_write_inode_range+0x13c/0x450 [ 393.976889] jffs2_write_end+0x2a8/0x4a0 [ 393.980810] generic_perform_write+0x1c0/0x280 [ 393.985251] __generic_file_write_iter+0x1c4/0x228 [ 393.990040] generic_file_write_iter+0x138/0x288 [ 393.994655] __vfs_write+0x1b4/0x238 [ 393.998228] vfs_write+0xd0/0x238 [ 394.001543] SyS_write+0xa0/0x110 [ 394.004856] __sys_trace_return+0x0/0x4 [ 394.008684] Freed: [ 394.010691] PID = 2918 [ 394.013051] save_stack_trace_tsk+0x0/0x220 [ 394.017233] save_stack_trace+0x18/0x20 [ 394.021069] kasan_slab_free+0x88/0x188 [ 394.024902] kfree+0x6c/0x1d8 [ 394.027868] jffs2_sum_write_sumnode+0x2c4/0x880 [ 394.032486] jffs2_do_reserve_space+0x198/0x598 [ 394.037016] jffs2_reserve_space+0x3f8/0x4d8 [ 394.041286] jffs2_write_inode_range+0xf0/0x450 [ 394.045816] jffs2_write_end+0x2a8/0x4a0 [ 394.049737] generic_perform_write+0x1c0/0x280 [ 394.054179] __generic_file_write_iter+0x1c4/0x228 [ 394.058968] generic_file_write_iter+0x138/0x288 [ 394.063583] __vfs_write+0x1b4/0x238 [ 394.067157] vfs_write+0xd0/0x238 [ 394.070470] SyS_write+0xa0/0x110 [ 394.073783] __sys_trace_return+0x0/0x4 [ 394.077612] Memory state around the buggy address: [ 394.082404] ffff800062e3b180: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 394.089623] ffff800062e3b200: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 394.096842] >ffff800062e3b280: 01 fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 394.104056] ^ [ 394.107283] ffff800062e3b300: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 394.114502] ffff800062e3b380: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 394.121718] ================================================================== Signed-off-by: Yang Yang <yang.yang29@zte.com.cn> Signed-off-by: Richard Weinberger <richard@nod.at> |
||
Sascha Hauer
|
d984bcf576 |
ubifs: Fix off-by-one error
An inode is allowed to have ubifs_xattr_max_cnt() xattrs, so we must complain only when an inode has more xattrs, having exactly ubifs_xattr_max_cnt() xattrs is fine. With this the maximum number of xattrs can be created without hitting the "has too many xattrs" warning when removing it. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Richard Weinberger <richard@nod.at> |
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Arnd Bergmann
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410b6de702 |
ubifs: replay: Fix high stack usage, again
An earlier commit moved out some functions to not be inlined by gcc, but after some other rework to remove one of those, clang started inlining the other one and ran into the same problem as gcc did before: fs/ubifs/replay.c:1174:5: error: stack frame size of 1152 bytes in function 'ubifs_replay_journal' [-Werror,-Wframe-larger-than=] Mark the function as noinline_for_stack to ensure it doesn't happen again. Fixes: |
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Dinghao Liu
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11b8ab3836 |
ubifs: Fix memleak in ubifs_init_authentication
When crypto_shash_digestsize() fails, c->hmac_tfm
has not been freed before returning, which leads
to memleak.
Fixes:
|
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Tom Rix
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19646447ad |
jffs2: fix use after free in jffs2_sum_write_data()
clang static analysis reports this problem
fs/jffs2/summary.c:794:31: warning: Use of memory after it is freed
c->summary->sum_list_head = temp->u.next;
^~~~~~~~~~~~
In jffs2_sum_write_data(), in a loop summary data is handles a node at
a time. When it has written out the node it is removed the summary list,
and the node is deleted. In the corner case when a
JFFS2_FEATURE_RWCOMPAT_COPY is seen, a call is made to
jffs2_sum_disable_collecting(). jffs2_sum_disable_collecting() deletes
the whole list which conflicts with the loop's deleting the list by parts.
To preserve the old behavior of stopping the write midway, bail out of
the loop after disabling summary collection.
Fixes:
|
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Johannes Berg
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a15f1e41fb |
um: hostfs: use a kmem cache for inodes
This collects all of them together and makes it possible to e.g. exclude it from slub debugging. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Richard Weinberger <richard@nod.at> |
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Linus Torvalds
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c6d8570e4d |
io_uring-5.11-2021-02-12
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Pavel Begunkov
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5be9ad1e42 |
io_uring: optimise io_init_req() flags setting
Invalid req->flags are tolerated by free/put well, avoid this dancing needlessly presetting it to zero, and then not even resetting but modifying it, i.e. "|=". Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Pavel Begunkov
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cdbff98223 |
io_uring: clean io_req_find_next() fast check
Indirectly io_req_find_next() is called for every request, optimise the check by testing flags as it was long before -- __io_req_find_next() tolerates false-positives well (i.e. link==NULL), and those should be really rare. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Pavel Begunkov
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dc0eced5d9 |
io_uring: don't check PF_EXITING from syscall
io_sq_thread_acquire_mm_files() can find a PF_EXITING task only when it's called from task_work context. Don't check it in all other cases, that are when we're in io_uring_enter(). Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> |