or aren't considered necessary for earlier kernel versions.
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Merge tag 'mm-hotfixes-stable-2023-10-24-09-40' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"20 hotfixes. 12 are cc:stable and the remainder address post-6.5
issues or aren't considered necessary for earlier kernel versions"
* tag 'mm-hotfixes-stable-2023-10-24-09-40' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
maple_tree: add GFP_KERNEL to allocations in mas_expected_entries()
selftests/mm: include mman header to access MREMAP_DONTUNMAP identifier
mailmap: correct email aliasing for Oleksij Rempel
mailmap: map Bartosz's old address to the current one
mm/damon/sysfs: check DAMOS regions update progress from before_terminate()
MAINTAINERS: Ondrej has moved
kasan: disable kasan_non_canonical_hook() for HW tags
kasan: print the original fault addr when access invalid shadow
hugetlbfs: close race between MADV_DONTNEED and page fault
hugetlbfs: extend hugetlb_vma_lock to private VMAs
hugetlbfs: clear resv_map pointer if mmap fails
mm: zswap: fix pool refcount bug around shrink_worker()
mm/migrate: fix do_pages_move for compat pointers
riscv: fix set_huge_pte_at() for NAPOT mappings when a swap entry is set
riscv: handle VM_FAULT_[HWPOISON|HWPOISON_LARGE] faults instead of panicking
mmap: fix error paths with dup_anon_vma()
mmap: fix vma_iterator in error path of vma_merge()
mm: fix vm_brk_flags() to not bail out while holding lock
mm/mempolicy: fix set_mempolicy_home_node() previous VMA pointer
mm/page_alloc: correct start page when guard page debug is enabled
- kprobe-events: Fix kprobe events to reject if the attached symbol
is not unique name because it may not the function which the user
want to attach to. (User can attach a probe to such symbol using
the nearest unique symbol + offset.)
- selftest: Add a testcase to ensure the kprobe event rejects non
unique symbol correctly.
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Merge tag 'probes-fixes-v6.6-rc6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull probes fixes from Masami Hiramatsu:
- kprobe-events: Fix kprobe events to reject if the attached symbol is
not unique name because it may not the function which the user want
to attach to. (User can attach a probe to such symbol using the
nearest unique symbol + offset.)
- selftest: Add a testcase to ensure the kprobe event rejects non
unique symbol correctly.
* tag 'probes-fixes-v6.6-rc6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
selftests/ftrace: Add new test case which checks non unique symbol
tracing/kprobes: Return EADDRNOTAVAIL when func matches several symbols
This Kselftest update for Linux 6.6-rc7 consists of one single fix
to assert check in user_events abi_test to properly check bit value
on Big Endian architectures. The current code treats the bit values
as Little Endian and the check fails on Big Endian.
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Merge tag 'linux_kselftest_active-fixes-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest fix from Shuah Khan:
"One single fix to assert check in user_events abi_test to properly
check bit value on Big Endian architectures. The code treated the bit
values as Little Endian and the check failed on Big Endian"
* tag 'linux_kselftest_active-fixes-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/user_events: Fix abi_test for BE archs
If name_show() is non unique, this test will try to install a kprobe on this
function which should fail returning EADDRNOTAVAIL.
On kernel where name_show() is not unique, this test is skipped.
Link: https://lore.kernel.org/all/20231020104250.9537-3-flaniel@linux.microsoft.com/
Cc: stable@vger.kernel.org
Signed-off-by: Francis Laniel <flaniel@linux.microsoft.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Feels like an up-tick in regression fixes, mostly for older releases.
The hfsc fix, tcp_disconnect() and Intel WWAN fixes stand out as fairly
clear-cut user reported regressions. The mlx5 DMA bug was causing strife
for 390x folks. The fixes themselves are not particularly scary, tho.
No open investigations / outstanding reports at the time of writing.
Current release - regressions:
- eth: mlx5: perform DMA operations in the right locations,
make devices usable on s390x, again
- sched: sch_hfsc: upgrade 'rt' to 'sc' when it becomes a inner curve,
previous fix of rejecting invalid config broke some scripts
- rfkill: reduce data->mtx scope in rfkill_fop_open, avoid deadlock
- revert "ethtool: Fix mod state of verbose no_mask bitset",
needs more work
Current release - new code bugs:
- tcp: fix listen() warning with v4-mapped-v6 address
Previous releases - regressions:
- tcp: allow tcp_disconnect() again when threads are waiting,
it was denied to plug a constant source of bugs but turns out
.NET depends on it
- eth: mlx5: fix double-free if buffer refill fails under OOM
- revert "net: wwan: iosm: enable runtime pm support for 7560",
it's causing regressions and the WWAN team at Intel disappeared
- tcp: tsq: relax tcp_small_queue_check() when rtx queue contains
a single skb, fix single-stream perf regression on some devices
Previous releases - always broken:
- Bluetooth:
- fix issues in legacy BR/EDR PIN code pairing
- correctly bounds check and pad HCI_MON_NEW_INDEX name
- netfilter:
- more fixes / follow ups for the large "commit protocol" rework,
which went in as a fix to 6.5
- fix null-derefs on netlink attrs which user may not pass in
- tcp: fix excessive TLP and RACK timeouts from HZ rounding
(bless Debian for keeping HZ=250 alive)
- net: more strict VIRTIO_NET_HDR_GSO_UDP_L4 validation, prevent
letting frankenstein UDP super-frames from getting into the stack
- net: fix interface altnames when ifc moves to a new namespace
- eth: qed: fix the size of the RX buffers
- mptcp: avoid sending RST when closing the initial subflow
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bluetooth, netfilter, WiFi.
Feels like an up-tick in regression fixes, mostly for older releases.
The hfsc fix, tcp_disconnect() and Intel WWAN fixes stand out as
fairly clear-cut user reported regressions. The mlx5 DMA bug was
causing strife for 390x folks. The fixes themselves are not
particularly scary, tho. No open investigations / outstanding reports
at the time of writing.
Current release - regressions:
- eth: mlx5: perform DMA operations in the right locations, make
devices usable on s390x, again
- sched: sch_hfsc: upgrade 'rt' to 'sc' when it becomes a inner
curve, previous fix of rejecting invalid config broke some scripts
- rfkill: reduce data->mtx scope in rfkill_fop_open, avoid deadlock
- revert "ethtool: Fix mod state of verbose no_mask bitset", needs
more work
Current release - new code bugs:
- tcp: fix listen() warning with v4-mapped-v6 address
Previous releases - regressions:
- tcp: allow tcp_disconnect() again when threads are waiting, it was
denied to plug a constant source of bugs but turns out .NET depends
on it
- eth: mlx5: fix double-free if buffer refill fails under OOM
- revert "net: wwan: iosm: enable runtime pm support for 7560", it's
causing regressions and the WWAN team at Intel disappeared
- tcp: tsq: relax tcp_small_queue_check() when rtx queue contains a
single skb, fix single-stream perf regression on some devices
Previous releases - always broken:
- Bluetooth:
- fix issues in legacy BR/EDR PIN code pairing
- correctly bounds check and pad HCI_MON_NEW_INDEX name
- netfilter:
- more fixes / follow ups for the large "commit protocol" rework,
which went in as a fix to 6.5
- fix null-derefs on netlink attrs which user may not pass in
- tcp: fix excessive TLP and RACK timeouts from HZ rounding (bless
Debian for keeping HZ=250 alive)
- net: more strict VIRTIO_NET_HDR_GSO_UDP_L4 validation, prevent
letting frankenstein UDP super-frames from getting into the stack
- net: fix interface altnames when ifc moves to a new namespace
- eth: qed: fix the size of the RX buffers
- mptcp: avoid sending RST when closing the initial subflow"
* tag 'net-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (94 commits)
Revert "ethtool: Fix mod state of verbose no_mask bitset"
selftests: mptcp: join: no RST when rm subflow/addr
mptcp: avoid sending RST when closing the initial subflow
mptcp: more conservative check for zero probes
tcp: check mptcp-level constraints for backlog coalescing
selftests: mptcp: join: correctly check for no RST
net: ti: icssg-prueth: Fix r30 CMDs bitmasks
selftests: net: add very basic test for netdev names and namespaces
net: move altnames together with the netdevice
net: avoid UAF on deleted altname
net: check for altname conflicts when changing netdev's netns
net: fix ifname in netlink ntf during netns move
net: ethernet: ti: Fix mixed module-builtin object
net: phy: bcm7xxx: Add missing 16nm EPHY statistics
ipv4: fib: annotate races around nh->nh_saddr_genid and nh->nh_saddr
tcp_bpf: properly release resources on error paths
net/sched: sch_hfsc: upgrade 'rt' to 'sc' when it becomes a inner curve
net: mdio-mux: fix C45 access returning -EIO after API change
tcp: tsq: relax tcp_small_queue_check() when rtx queue contains a single skb
octeon_ep: update BQL sent bytes before ringing doorbell
...
Recently, we noticed that some RST were wrongly generated when removing
the initial subflow.
This patch makes sure RST are not sent when removing any subflows or any
addresses.
Fixes: c2b2ae3925 ("mptcp: handle correctly disconnect() failures")
Cc: stable@vger.kernel.org
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Matthieu Baerts <matttbe@kernel.org>
Signed-off-by: Mat Martineau <martineau@kernel.org>
Link: https://lore.kernel.org/r/20231018-send-net-20231018-v1-5-17ecb002e41d@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The commit mentioned below was more tolerant with the number of RST seen
during a test because in some uncontrollable situations, multiple RST
can be generated.
But it was not taking into account the case where no RST are expected:
this validation was then no longer reporting issues for the 0 RST case
because it is not possible to have less than 0 RST in the counter. This
patch fixes the issue by adding a specific condition.
Fixes: 6bf41020b7 ("selftests: mptcp: update and extend fastclose test-cases")
Cc: stable@vger.kernel.org
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts <matttbe@kernel.org>
Signed-off-by: Mat Martineau <martineau@kernel.org>
Link: https://lore.kernel.org/r/20231018-send-net-20231018-v1-1-17ecb002e41d@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add selftest for fixes around naming netdevs and namespaces.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Definition for MREMAP_DONTUNMAP is not present in glibc older than 2.32
thus throwing an undeclared error when running make on mm. Including
linux/mman.h solves the build error for people having older glibc.
Link: https://lkml.kernel.org/r/20231012155257.891776-1-samasth.norway.ananda@oracle.com
Fixes: 0183d777c2 ("selftests: mm: remove duplicate unneeded defines")
Signed-off-by: Samasth Norway Ananda <samasth.norway.ananda@oracle.com>
Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
Closes: https://lore.kernel.org/linux-mm/CA+G9fYvV-71XqpCr_jhdDfEtN701fBdG3q+=bafaZiGwUXy_aA@mail.gmail.com/
Tested-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Don't mess with the host's firewall ruleset. Since audit logging is not
per-netns, add an initial delay of a second so other selftests' netns
cleanups have a chance to finish.
Fixes: e8dbde59ca ("selftests: netfilter: Test nf_tables audit logging")
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Florian Westphal <fw@strlen.de>
When resetting multiple objects at once (via dump request), emit a log
message per table (or filled skb) and resurrect the 'entries' parameter
to contain the number of objects being logged for.
To test the skb exhaustion path, perform some bulk counter and quota
adds in the kselftest.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Reviewed-by: Richard Guy Briggs <rgb@redhat.com>
Acked-by: Paul Moore <paul@paul-moore.com> (Audit)
Signed-off-by: Florian Westphal <fw@strlen.de>
The abi_test currently uses a long sized test value for enablement
checks. On LE this works fine, however, on BE this results in inaccurate
assert checks due to a bit being used and assuming it's value is the
same on both LE and BE.
Use int type for 32-bit values and long type for 64-bit values to ensure
appropriate behavior on both LE and BE.
Fixes: 60b1af8de8 ("tracing/user_events: Add ABI self-test")
Signed-off-by: Beau Belgrave <beaub@linux.microsoft.com>
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
- Fix the handling of the phycal timer offset when FEAT_ECV
and CNTPOFF_EL2 are implemented.
- Restore the functionnality of Permission Indirection that
was broken by the Fine Grained Trapping rework
- Cleanup some PMU event sharing code
MIPS:
- Fix W=1 build.
s390:
- One small fix for gisa to avoid stalls.
x86:
- Truncate writes to PMU counters to the counter's width to avoid spurious
overflows when emulating counter events in software.
- Set the LVTPC entry mask bit when handling a PMI (to match Intel-defined
architectural behavior).
- Treat KVM_REQ_PMI as a wake event instead of queueing host IRQ work to
kick the guest out of emulated halt.
- Fix for loading XSAVE state from an old kernel into a new one.
- Fixes for AMD AVIC
selftests:
- Play nice with %llx when formatting guest printf and assert statements.
- Clean up stale test metadata.
- Zero-initialize structures in memslot perf test to workaround a suspected
"may be used uninitialized" false positives from GCC.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"ARM:
- Fix the handling of the phycal timer offset when FEAT_ECV and
CNTPOFF_EL2 are implemented
- Restore the functionnality of Permission Indirection that was
broken by the Fine Grained Trapping rework
- Cleanup some PMU event sharing code
MIPS:
- Fix W=1 build
s390:
- One small fix for gisa to avoid stalls
x86:
- Truncate writes to PMU counters to the counter's width to avoid
spurious overflows when emulating counter events in software
- Set the LVTPC entry mask bit when handling a PMI (to match
Intel-defined architectural behavior)
- Treat KVM_REQ_PMI as a wake event instead of queueing host IRQ work
to kick the guest out of emulated halt
- Fix for loading XSAVE state from an old kernel into a new one
- Fixes for AMD AVIC
selftests:
- Play nice with %llx when formatting guest printf and assert
statements
- Clean up stale test metadata
- Zero-initialize structures in memslot perf test to workaround a
suspected 'may be used uninitialized' false positives from GCC"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (21 commits)
KVM: arm64: timers: Correctly handle TGE flip with CNTPOFF_EL2
KVM: arm64: POR{E0}_EL1 do not need trap handlers
KVM: arm64: Add nPIR{E0}_EL1 to HFG traps
KVM: MIPS: fix -Wunused-but-set-variable warning
KVM: arm64: pmu: Drop redundant check for non-NULL kvm_pmu_events
KVM: SVM: Fix build error when using -Werror=unused-but-set-variable
x86: KVM: SVM: refresh AVIC inhibition in svm_leave_nested()
x86: KVM: SVM: add support for Invalid IPI Vector interception
x86: KVM: SVM: always update the x2avic msr interception
KVM: selftests: Force load all supported XSAVE state in state test
KVM: selftests: Load XSAVE state into untouched vCPU during state test
KVM: selftests: Touch relevant XSAVE state in guest for state test
KVM: x86: Constrain guest-supported xfeatures only at KVM_GET_XSAVE{2}
x86/fpu: Allow caller to constrain xfeatures when copying to uabi buffer
KVM: selftests: Zero-initialize entire test_result in memslot perf test
KVM: selftests: Remove obsolete and incorrect test case metadata
KVM: selftests: Treat %llx like %lx when formatting guest printf
KVM: x86/pmu: Synthesize at most one PMI per VM-exit
KVM: x86: Mask LVTPC when handling a PMI
KVM: x86/pmu: Truncate counter value to allowed width on write
...
The ct_tuple v4 data structure decode / encode routines were using
the v6 IP address decode and relying on default encode. This could
cause exceptions during encode / decode depending on how a ct4
tuple would appear in a netlink message.
Caught during code review.
Fixes: e52b07aa1a ("selftests: openvswitch: add flow dump support")
Signed-off-by: Aaron Conole <aconole@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Kernels that don't have support for openvswitch drop reasons also
won't have the drop counter reasons, so we should skip the test
completely. It previously wasn't possible to build a test case
for this without polluting the datapath, so we introduce a mechanism
to clear all the flows from a datapath allowing us to test for
explicit drop actions, and then clear the flows to build the
original test case.
Fixes: 4242029164 ("selftests: openvswitch: add explicit drop testcase")
Signed-off-by: Aaron Conole <aconole@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In case of fatal signal, or early abort at least cleanup the current
test case.
Fixes: 25f16c873f ("selftests: add openvswitch selftest suite")
Signed-off-by: Aaron Conole <aconole@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Paolo Abeni reports that on some systems the pyroute2 version isn't
new enough to run the test suite. Ensure that we support a minimum
version of 0.6 for all cases (which does include the existing ones).
The 0.6.1 version was released in May of 2021, so should be
propagated to most installations at this point.
The alternative that Paolo proposed was to only skip when the
add-flow is being run. This would be okay for most cases, except
if a future test case is added that needs to do flow dump without
an associated add (just guessing). In that case, it could also be
broken and we would need additional skip logic anyway. Just draw
a line in the sand now.
Fixes: 25f16c873f ("selftests: add openvswitch selftest suite")
Reported-by: Paolo Abeni <pabeni@redhat.com>
Closes: https://lore.kernel.org/lkml/8470c431e0930d2ea204a9363a60937289b7fdbe.camel@redhat.com/
Signed-off-by: Aaron Conole <aconole@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- Play nice with %llx when formatting guest printf and assert statements.
- Clean up stale test metadata.
- Zero-initialize structures in memslot perf test to workaround a suspected
"may be used uninitialized" false positives from GCC.
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Merge tag 'kvm-x86-selftests-6.6-fixes' of https://github.com/kvm-x86/linux into HEAD
KVM selftests fixes for 6.6:
- Play nice with %llx when formatting guest printf and assert statements.
- Clean up stale test metadata.
- Zero-initialize structures in memslot perf test to workaround a suspected
"may be used uninitialized" false positives from GCC.
The tests rely on the IPv{4,6} FIB trace points being triggered once for
each forwarded packet. If receive processing is deferred to the
ksoftirqd task these invocations will not be counted and the tests will
fail. Fix by specifying the '-a' flag to avoid perf from filtering on
the mausezahn task.
Before:
# ./fib_tests.sh -t ipv4_mpath_list
IPv4 multipath list receive tests
TEST: Multipath route hit ratio (.68) [FAIL]
# ./fib_tests.sh -t ipv6_mpath_list
IPv6 multipath list receive tests
TEST: Multipath route hit ratio (.27) [FAIL]
After:
# ./fib_tests.sh -t ipv4_mpath_list
IPv4 multipath list receive tests
TEST: Multipath route hit ratio (1.00) [ OK ]
# ./fib_tests.sh -t ipv6_mpath_list
IPv6 multipath list receive tests
TEST: Multipath route hit ratio (.99) [ OK ]
Fixes: 8ae9efb859 ("selftests: fib_tests: Add multipath list receive tests")
Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/netdev/202309191658.c00d8b8-oliver.sang@intel.com/
Tested-by: kernel test robot <oliver.sang@intel.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Tested-by: Sriram Yagnaraman <sriram.yagnaraman@est.tech>
Link: https://lore.kernel.org/r/20231010132113.3014691-3-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The test relies on the fib:fib_table_lookup trace point being triggered
once for each forwarded packet. If RP filter is not disabled, the trace
point will be triggered twice for each packet (for source validation and
forwarding), potentially masking actual bugs. Fix by explicitly
disabling RP filter.
Before:
# ./fib_tests.sh -t ipv4_mpath_list
IPv4 multipath list receive tests
TEST: Multipath route hit ratio (1.99) [ OK ]
After:
# ./fib_tests.sh -t ipv4_mpath_list
IPv4 multipath list receive tests
TEST: Multipath route hit ratio (.99) [ OK ]
Fixes: 8ae9efb859 ("selftests: fib_tests: Add multipath list receive tests")
Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/netdev/202309191658.c00d8b8-oliver.sang@intel.com/
Tested-by: kernel test robot <oliver.sang@intel.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Tested-by: Sriram Yagnaraman <sriram.yagnaraman@est.tech>
Link: https://lore.kernel.org/r/20231010132113.3014691-2-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* A handful of build fixes.
* A fix to avoid mixing up user/kernel-mode breakpoints, which can
manifest as a hang when mixing k/uprobes with other breakpoint
sources.
* A fix to avoid double-allocting crash kernel memory.
* A fix for tracefs syscall name mangling, which was causing syscalls
not to show up in tracefs.
* A fix to the perf driver to enable the hw events when selected, which
can trigger a BUG on some userspace access patterns.
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Merge tag 'riscv-for-linus-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- A handful of build fixes
- A fix to avoid mixing up user/kernel-mode breakpoints, which can
manifest as a hang when mixing k/uprobes with other breakpoint
sources
- A fix to avoid double-allocting crash kernel memory
- A fix for tracefs syscall name mangling, which was causing syscalls
not to show up in tracefs
- A fix to the perf driver to enable the hw events when selected, which
can trigger a BUG on some userspace access patterns
* tag 'riscv-for-linus-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
drivers: perf: Fix panic in riscv SBI mmap support
riscv: Fix ftrace syscall handling which are now prefixed with __riscv_
RISC-V: Fix wrong use of CONFIG_HAVE_SOFTIRQ_ON_OWN_STACK
riscv: kdump: fix crashkernel reserving problem on RISC-V
riscv: Remove duplicate objcopy flag
riscv: signal: fix sigaltstack frame size checking
riscv: errata: andes: Makefile: Fix randconfig build issue
riscv: Only consider swbp/ss handlers for correct privileged mode
riscv: kselftests: Fix mm build by removing testcases subdirectory
Extend x86's state to forcefully load *all* host-supported xfeatures by
modifying xstate_bv in the saved state. Stuffing xstate_bv ensures that
the selftest is verifying KVM's full ABI regardless of whether or not the
guest code is successful in getting various xfeatures out of their INIT
state, e.g. see the disaster that is/was MPX.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20230928001956.924301-6-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Expand x86's state test to load XSAVE state into a "dummy" vCPU prior to
KVM_SET_CPUID2, and again with an empty guest CPUID model. Except for
off-by-default features, i.e. AMX, KVM's ABI for KVM_SET_XSAVE is that
userspace is allowed to load xfeatures so long as they are supported by
the host. This is a regression test for a combination of KVM bugs where
the state saved by KVM_GET_XSAVE{2} could not be loaded via KVM_SET_XSAVE
if the saved xstate_bv would load guest-unsupported xfeatures.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20230928001956.924301-5-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Modify support XSAVE state in the "state test's" guest code so that saving
and loading state via KVM_{G,S}ET_XSAVE actually does something useful,
i.e. so that xstate_bv in XSAVE state isn't empty.
Punt on BNDCSR for now, it's easier to just stuff that xfeature from the
host side.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20230928001956.924301-4-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
A previous commit updated the verifier to print an accurate failure
message for when someone specifies a nonzero return value from an async
callback. This adds a testcase for validating that the verifier emits
the correct message in such a case.
Signed-off-by: David Vernet <void@manifault.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20231009161414.235829-2-void@manifault.com
Martin reported that on his local dev machine the test_tc_chain_mixed() fails as
"test_tc_chain_mixed:FAIL:seen_tc5 unexpected seen_tc5: actual 1 != expected 0"
and others occasionally, too.
However, when running in a more isolated setup (qemu in particular), it works fine
for him. The reason is that there is a small race-window where seen_tc* could turn
into true for various test cases when there is background traffic, e.g. after the
asserts they often get reset. In such case when subsequent detach takes place,
unrelated background traffic could have already flipped the bool to true beforehand.
Add a small helper tc_skel_reset_all_seen() to reset all bools before we do the ping
test. At this point, everything is set up as expected and therefore no race can occur.
All tc_{opts,links} tests continue to pass after this change.
Reported-by: Martin KaFai Lau <martin.lau@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/r/20231006220655.1653-7-daniel@iogearbox.net
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Simplify __assert_mprog_count() to remove the -ENOENT corner case as the
bpf_prog_query() now returns 0 when no bpf_mprog is attached. This also
allows to convert a few test cases from using raw __assert_mprog_count()
over to plain assert_mprog_count() helper.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/r/20231006220655.1653-5-daniel@iogearbox.net
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Add a new test case which performs double query of the bpf_mprog through
libbpf API, but also via raw bpf(2) syscall. This is testing to gather
first the count and then in a subsequent probe the full information with
the program array without clearing passed structs in between.
# ./vmtest.sh -- ./test_progs -t tc_opts
[...]
./test_progs -t tc_opts
[ 1.398818] tsc: Refined TSC clocksource calibration: 3407.999 MHz
[ 1.400263] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x311fd336761, max_idle_ns: 440795243819 ns
[ 1.402734] clocksource: Switched to clocksource tsc
[ 1.426639] bpf_testmod: loading out-of-tree module taints kernel.
[ 1.428112] bpf_testmod: module verification failed: signature and/or required key missing - tainting kernel
#252 tc_opts_after:OK
#253 tc_opts_append:OK
#254 tc_opts_basic:OK
#255 tc_opts_before:OK
#256 tc_opts_chain_classic:OK
#257 tc_opts_chain_mixed:OK
#258 tc_opts_delete_empty:OK
#259 tc_opts_demixed:OK
#260 tc_opts_detach:OK
#261 tc_opts_detach_after:OK
#262 tc_opts_detach_before:OK
#263 tc_opts_dev_cleanup:OK
#264 tc_opts_invalid:OK
#265 tc_opts_max:OK
#266 tc_opts_mixed:OK
#267 tc_opts_prepend:OK
#268 tc_opts_query:OK <--- (new test)
#269 tc_opts_replace:OK
#270 tc_opts_revision:OK
Summary: 19/0 PASSED, 0 SKIPPED, 0 FAILED
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/r/20231006220655.1653-4-daniel@iogearbox.net
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Zero-initialize the entire test_result structure used by memslot_perf_test
instead of zeroing only the fields used to guard the pr_info() calls.
gcc 13.2.0 is a bit overzealous and incorrectly thinks that rbestslottime's
slot_runtime may be used uninitialized.
In file included from memslot_perf_test.c:25:
memslot_perf_test.c: In function ‘main’:
include/test_util.h:31:22: error: ‘rbestslottime.slot_runtime.tv_nsec’ may be used uninitialized [-Werror=maybe-uninitialized]
31 | #define pr_info(...) printf(__VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~
memslot_perf_test.c:1127:17: note: in expansion of macro ‘pr_info’
1127 | pr_info("Best slot setup time for the whole test area was %ld.%.9lds\n",
| ^~~~~~~
memslot_perf_test.c:1092:28: note: ‘rbestslottime.slot_runtime.tv_nsec’ was declared here
1092 | struct test_result rbestslottime;
| ^~~~~~~~~~~~~
include/test_util.h:31:22: error: ‘rbestslottime.slot_runtime.tv_sec’ may be used uninitialized [-Werror=maybe-uninitialized]
31 | #define pr_info(...) printf(__VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~
memslot_perf_test.c:1127:17: note: in expansion of macro ‘pr_info’
1127 | pr_info("Best slot setup time for the whole test area was %ld.%.9lds\n",
| ^~~~~~~
memslot_perf_test.c:1092:28: note: ‘rbestslottime.slot_runtime.tv_sec’ was declared here
1092 | struct test_result rbestslottime;
| ^~~~~~~~~~~~~
That can't actually happen, at least not without the "result" structure in
test_loop() also being used uninitialized, which gcc doesn't complain
about, as writes to rbestslottime are all-or-nothing, i.e. slottimens can't
be non-zero without slot_runtime being written.
if (!data->mem_size &&
(!rbestslottime->slottimens ||
result.slottimens < rbestslottime->slottimens))
*rbestslottime = result;
Zero-initialize the structures to make gcc happy even though this is
likely a compiler bug. The cost to do so is negligible, both in terms of
code and runtime overhead. The only downside is that the compiler won't
warn about legitimate usage of "uninitialized" data, e.g. the test could
end up consuming zeros instead of useful data. However, given that the
test is quite mature and unlikely to see substantial changes, the odds of
introducing such bugs are relatively low, whereas being able to compile
KVM selftests with -Werror detects issues on a regular basis.
Reviewed-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Link: https://lore.kernel.org/r/20231005002954.2887098-1-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
I didn't collect precise data but feels like we've got a lot
of 6.5 fixes here. WiFi fixes are most user-awaited.
Current release - regressions:
- Bluetooth: fix hci_link_tx_to RCU lock usage
Current release - new code bugs:
- bpf: mprog: fix maximum program check on mprog attachment
- eth: ti: icssg-prueth: fix signedness bug in prueth_init_tx_chns()
Previous releases - regressions:
- ipv6: tcp: add a missing nf_reset_ct() in 3WHS handling
- vringh: don't use vringh_kiov_advance() in vringh_iov_xfer(),
it doesn't handle zero length like we expected
- wifi:
- cfg80211: fix cqm_config access race, fix crashes with brcmfmac
- iwlwifi: mvm: handle PS changes in vif_cfg_changed
- mac80211: fix mesh id corruption on 32 bit systems
- mt76: mt76x02: fix MT76x0 external LNA gain handling
- Bluetooth: fix handling of HCI_QUIRK_STRICT_DUPLICATE_FILTER
- l2tp: fix handling of transhdrlen in __ip{,6}_append_data()
- dsa: mv88e6xxx: avoid EEPROM timeout when EEPROM is absent
- eth: stmmac: fix the incorrect parameter after refactoring
Previous releases - always broken:
- net: replace calls to sock->ops->connect() with kernel_connect(),
prevent address rewrite in kernel_bind(); otherwise BPF hooks may
modify arguments, unexpectedly to the caller
- tcp: fix delayed ACKs when reads and writes align with MSS
- bpf:
- verifier: unconditionally reset backtrack_state masks on global
func exit
- s390: let arch_prepare_bpf_trampoline return program size,
fix struct_ops offsets
- sockmap: fix accounting of available bytes in presence of PEEKs
- sockmap: reject sk_msg egress redirects to non-TCP sockets
- ipv4/fib: send netlink notify when delete source address routes
- ethtool: plca: fix width of reads when parsing netlink commands
- netfilter: nft_payload: rebuild vlan header on h_proto access
- Bluetooth: hci_codec: fix leaking memory of local_codecs
- eth: intel: ice: always add legacy 32byte RXDID in supported_rxdids
- eth: stmmac:
- dwmac-stm32: fix resume on STM32 MCU
- remove buggy and unneeded stmmac_poll_controller, depend on NAPI
- ibmveth: always recompute TCP pseudo-header checksum, fix use
of the driver with Open vSwitch
- wifi:
- rtw88: rtw8723d: fix MAC address offset in EEPROM
- mt76: fix lock dependency problem for wed_lock
- mwifiex: sanity check data reported by the device
- iwlwifi: ensure ack flag is properly cleared
- iwlwifi: mvm: fix a memory corruption due to bad pointer arithm
- iwlwifi: mvm: fix incorrect usage of scan API
Misc:
- wifi: mac80211: work around Cisco AP 9115 VHT MPDU length
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from Bluetooth, netfilter, BPF and WiFi.
I didn't collect precise data but feels like we've got a lot of 6.5
fixes here. WiFi fixes are most user-awaited.
Current release - regressions:
- Bluetooth: fix hci_link_tx_to RCU lock usage
Current release - new code bugs:
- bpf: mprog: fix maximum program check on mprog attachment
- eth: ti: icssg-prueth: fix signedness bug in prueth_init_tx_chns()
Previous releases - regressions:
- ipv6: tcp: add a missing nf_reset_ct() in 3WHS handling
- vringh: don't use vringh_kiov_advance() in vringh_iov_xfer(), it
doesn't handle zero length like we expected
- wifi:
- cfg80211: fix cqm_config access race, fix crashes with brcmfmac
- iwlwifi: mvm: handle PS changes in vif_cfg_changed
- mac80211: fix mesh id corruption on 32 bit systems
- mt76: mt76x02: fix MT76x0 external LNA gain handling
- Bluetooth: fix handling of HCI_QUIRK_STRICT_DUPLICATE_FILTER
- l2tp: fix handling of transhdrlen in __ip{,6}_append_data()
- dsa: mv88e6xxx: avoid EEPROM timeout when EEPROM is absent
- eth: stmmac: fix the incorrect parameter after refactoring
Previous releases - always broken:
- net: replace calls to sock->ops->connect() with kernel_connect(),
prevent address rewrite in kernel_bind(); otherwise BPF hooks may
modify arguments, unexpectedly to the caller
- tcp: fix delayed ACKs when reads and writes align with MSS
- bpf:
- verifier: unconditionally reset backtrack_state masks on global
func exit
- s390: let arch_prepare_bpf_trampoline return program size, fix
struct_ops offsets
- sockmap: fix accounting of available bytes in presence of PEEKs
- sockmap: reject sk_msg egress redirects to non-TCP sockets
- ipv4/fib: send netlink notify when delete source address routes
- ethtool: plca: fix width of reads when parsing netlink commands
- netfilter: nft_payload: rebuild vlan header on h_proto access
- Bluetooth: hci_codec: fix leaking memory of local_codecs
- eth: intel: ice: always add legacy 32byte RXDID in supported_rxdids
- eth: stmmac:
- dwmac-stm32: fix resume on STM32 MCU
- remove buggy and unneeded stmmac_poll_controller, depend on NAPI
- ibmveth: always recompute TCP pseudo-header checksum, fix use of
the driver with Open vSwitch
- wifi:
- rtw88: rtw8723d: fix MAC address offset in EEPROM
- mt76: fix lock dependency problem for wed_lock
- mwifiex: sanity check data reported by the device
- iwlwifi: ensure ack flag is properly cleared
- iwlwifi: mvm: fix a memory corruption due to bad pointer arithm
- iwlwifi: mvm: fix incorrect usage of scan API
Misc:
- wifi: mac80211: work around Cisco AP 9115 VHT MPDU length"
* tag 'net-6.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (99 commits)
MAINTAINERS: update Matthieu's email address
mptcp: userspace pm allow creating id 0 subflow
mptcp: fix delegated action races
net: stmmac: remove unneeded stmmac_poll_controller
net: lan743x: also select PHYLIB
net: ethernet: mediatek: disable irq before schedule napi
net: mana: Fix oversized sge0 for GSO packets
net: mana: Fix the tso_bytes calculation
net: mana: Fix TX CQE error handling
netlink: annotate data-races around sk->sk_err
sctp: update hb timer immediately after users change hb_interval
sctp: update transport state when processing a dupcook packet
tcp: fix delayed ACKs for MSS boundary condition
tcp: fix quick-ack counting to count actual ACKs of new data
page_pool: fix documentation typos
tipc: fix a potential deadlock on &tx->lock
net: stmmac: dwmac-stm32: fix resume on STM32 MCU
ipv4: Set offload_failed flag in fibmatch results
netfilter: nf_tables: nft_set_rbtree: fix spurious insertion failure
netfilter: nf_tables: Deduplicate nft_register_obj audit logs
...
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Merge tag 'nf-23-10-04' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Florian Westphal says:
====================
netfilter patches for net
First patch resolves a regression with vlan header matching, this was
broken since 6.5 release. From myself.
Second patch fixes an ancient problem with sctp connection tracking in
case INIT_ACK packets are delayed. This comes with a selftest, both
patches from Xin Long.
Patch 4 extends the existing nftables audit selftest, from
Phil Sutter.
Patch 5, also from Phil, avoids a situation where nftables
would emit an audit record twice. This was broken since 5.13 days.
Patch 6, from myself, avoids spurious insertion failure if we encounter an
overlapping but expired range during element insertion with the
'nft_set_rbtree' backend. This problem exists since 6.2.
* tag 'nf-23-10-04' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: nf_tables: nft_set_rbtree: fix spurious insertion failure
netfilter: nf_tables: Deduplicate nft_register_obj audit logs
selftests: netfilter: Extend nft_audit.sh
selftests: netfilter: test for sctp collision processing in nf_conntrack
netfilter: handle the connecting collision properly in nf_conntrack_proto_sctp
netfilter: nft_payload: rebuild vlan header on h_proto access
====================
Link: https://lore.kernel.org/r/20231004141405.28749-1-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Delete inaccurate descriptions and obsolete metadata for test cases.
It adds zero value, and has a non-zero chance of becoming stale and
misleading in the future. No functional changes intended.
Suggested-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Like Xu <likexu@tencent.com>
Link: https://lore.kernel.org/r/20230914094803.94661-1-likexu@tencent.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Treat %ll* formats the same as %l* formats when processing printfs from
the guest so that using e.g. %llx instead of %lx generates the expected
output. Ideally, unexpected formats would generate compile-time warnings
or errors, but it's not at all obvious how to actually accomplish that.
Alternatively, guest_vsnprintf() could assert on an unexpected format,
but since the vast majority of printfs are for failed guest asserts,
getting *something* printed is better than nothing.
E.g. before
==== Test Assertion Failure ====
x86_64/private_mem_conversions_test.c:265: mem[i] == 0
pid=4286 tid=4290 errno=4 - Interrupted system call
1 0x0000000000401c74: __test_mem_conversions at private_mem_conversions_test.c:336
2 0x00007f3aae6076da: ?? ??:0
3 0x00007f3aae32161e: ?? ??:0
Expected 0x0 at offset 0 (gpa 0x%lx), got 0x0
and after
==== Test Assertion Failure ====
x86_64/private_mem_conversions_test.c:265: mem[i] == 0
pid=5664 tid=5668 errno=4 - Interrupted system call
1 0x0000000000401c74: __test_mem_conversions at private_mem_conversions_test.c:336
2 0x00007fbe180076da: ?? ??:0
3 0x00007fbe17d2161e: ?? ??:0
Expected 0x0 at offset 0 (gpa 0x100000000), got 0xcc
Fixes: e511938249 ("KVM: selftests: Add guest_snprintf() to KVM selftests")
Cc: Aaron Lewis <aaronlewis@google.com>
Link: https://lore.kernel.org/r/20230921171641.3641776-1-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
This kselftest fixes update for Linux 6.6-rc5 consists of one single
fix to Makefile to fix the incorrect TARGET name for uevent test.
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Merge tag 'linux-kselftest-fixes-6.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fix from Shuah Khan:
"One single fix to Makefile to fix the incorrect TARGET name for uevent
test"
* tag 'linux-kselftest-fixes-6.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests: Fix wrong TARGET in kselftest top level Makefile
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says:
====================
pull-request: bpf 2023-10-02
We've added 11 non-merge commits during the last 12 day(s) which contain
a total of 12 files changed, 176 insertions(+), 41 deletions(-).
The main changes are:
1) Fix BPF verifier to reset backtrack_state masks on global function
exit as otherwise subsequent precision tracking would reuse them,
from Andrii Nakryiko.
2) Several sockmap fixes for available bytes accounting,
from John Fastabend.
3) Reject sk_msg egress redirects to non-TCP sockets given this
is only supported for TCP sockets today, from Jakub Sitnicki.
4) Fix a syzkaller splat in bpf_mprog when hitting maximum program
limits with BPF_F_BEFORE directive, from Daniel Borkmann
and Nikolay Aleksandrov.
5) Fix BPF memory allocator to use kmalloc_size_roundup() to adjust
size_index for selecting a bpf_mem_cache, from Hou Tao.
6) Fix arch_prepare_bpf_trampoline return code for s390 JIT,
from Song Liu.
7) Fix bpf_trampoline_get when CONFIG_BPF_JIT is turned off,
from Leon Hwang.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
bpf: Use kmalloc_size_roundup() to adjust size_index
selftest/bpf: Add various selftests for program limits
bpf, mprog: Fix maximum program check on mprog attachment
bpf, sockmap: Reject sk_msg egress redirects to non-TCP sockets
bpf, sockmap: Add tests for MSG_F_PEEK
bpf, sockmap: Do not inc copied_seq when PEEK flag set
bpf: tcp_read_skb needs to pop skb regardless of seq
bpf: unconditionally reset backtrack_state masks on global func exit
bpf: Fix tr dereferencing
selftests/bpf: Check bpf_cubic_acked() is called via struct_ops
s390/bpf: Let arch_prepare_bpf_trampoline return program size
====================
Link: https://lore.kernel.org/r/20231002113417.2309-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When adding/updating an object, the transaction handler emits suitable
audit log entries already, the one in nft_obj_notify() is redundant. To
fix that (and retain the audit logging from objects' 'update' callback),
Introduce an "audit log free" variant for internal use.
Fixes: c520292f29 ("audit: log nftables configuration change events once per table")
Signed-off-by: Phil Sutter <phil@nwl.cc>
Reviewed-by: Richard Guy Briggs <rgb@redhat.com>
Acked-by: Paul Moore <paul@paul-moore.com> (Audit)
Signed-off-by: Florian Westphal <fw@strlen.de>
Add tests for sets and elements and deletion of all kinds. Also
reorder rule reset tests: By moving the bulk rule add command up, the
two 'reset rules' tests become identical.
While at it, fix for a failing bulk rule add test's error status getting
lost due to its use in a pipe. Avoid this by using a temporary file.
Headings in diff output for failing tests contain no useful data, strip
them.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Florian Westphal <fw@strlen.de>
This patch adds a test case to reproduce the SCTP DATA chunk retransmission
timeout issue caused by the improper SCTP collision processing in netfilter
nf_conntrack_proto_sctp.
In this test, client sends a INIT chunk, but the INIT_ACK replied from
server is delayed until the server sends a INIT chunk to start a new
connection from its side. After the connection is complete from server
side, the delayed INIT_ACK arrives in nf_conntrack_proto_sctp.
The delayed INIT_ACK should be dropped in nf_conntrack_proto_sctp instead
of updating the vtag with the out-of-date init_tag, otherwise, the vtag
in DATA chunks later sent by client don't match the vtag in the conntrack
entry and the DATA chunks get dropped.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
to issues which were introduced after 6.5.
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Merge tag 'mm-hotfixes-stable-2023-10-01-08-34' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"Fourteen hotfixes, eleven of which are cc:stable. The remainder
pertain to issues which were introduced after 6.5"
* tag 'mm-hotfixes-stable-2023-10-01-08-34' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
Crash: add lock to serialize crash hotplug handling
selftests/mm: fix awk usage in charge_reserved_hugetlb.sh and hugetlb_reparenting_test.sh that may cause error
mm: mempolicy: keep VMA walk if both MPOL_MF_STRICT and MPOL_MF_MOVE are specified
mm/damon/vaddr-test: fix memory leak in damon_do_test_apply_three_regions()
mm, memcg: reconsider kmem.limit_in_bytes deprecation
mm: zswap: fix potential memory corruption on duplicate store
arm64: hugetlb: fix set_huge_pte_at() to work with all swap entries
mm: hugetlb: add huge page size param to set_huge_pte_at()
maple_tree: add MAS_UNDERFLOW and MAS_OVERFLOW states
maple_tree: add mas_is_active() to detect in-tree walks
nilfs2: fix potential use after free in nilfs_gccache_submit_read_data()
mm: abstract moving to the next PFN
mm: report success more often from filemap_map_folio_range()
fs: binfmt_elf_efpic: fix personality for ELF-FDPIC
- Fix arch_stack_walk_reliable(), used by live patching.
- Fix powerpc selftests to work with run_kselftest.sh
Thanks to: Joe Lawrence, Petr Mladek.
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Merge tag 'powerpc-6.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix arch_stack_walk_reliable(), used by live patching
- Fix powerpc selftests to work with run_kselftest.sh
Thanks to Joe Lawrence and Petr Mladek.
* tag 'powerpc-6.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
selftests/powerpc: Fix emit_tests to work with run_kselftest.sh
powerpc/stacktrace: Fix arch_stack_walk_reliable()
According to the awk manual, the -e option does not need to be specified
in front of 'program' (unless you need to mix program-file).
The redundant -e option can cause error when users use awk tools other
than gawk (for example, mawk does not support the -e option).
Error Example:
awk: not an option: -e
Link: https://lkml.kernel.org/r/VI1P193MB075228810591AF2FDD7D42C599C3A@VI1P193MB0752.EURP193.PROD.OUTLOOK.COM
Signed-off-by: Juntong Deng <juntong.deng@outlook.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Test that we can read with MSG_F_PEEK and then still get correct number
of available bytes through FIONREAD. The recv() (without PEEK) then
returns the bytes as expected. The recv() always worked though because
it was just the available byte reporting that was broke before latest
fixes.
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com>
Link: https://lore.kernel.org/bpf/20230926035300.135096-4-john.fastabend@gmail.com
The 'uevents' subdirectory does not exist in tools/testing/selftests/
and adding 'uevents' to the TARGETS list results in the following error:
make[1]: Entering directory 'xx/tools/testing/selftests/uevents'
make[1]: *** No targets specified and no makefile found. Stop.
make[1]: Leaving directory 'xx/tools/testing/selftests/uevents'
What actually exists in tools/testing/selftests/ is the 'uevent'
subdirectory.
Signed-off-by: Juntong Deng <juntong.deng@outlook.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This kselftest fixes update for Linux 6.6-rc4 consists of one
single fix to unmount tracefs when test created mount.
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Merge tag 'linux-kselftest-fixes-6.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fix from Shuah Khan:
"One single fix to unmount tracefs when test created mount"
* tag 'linux-kselftest-fixes-6.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/user_events: Fix to unmount tracefs when test created mount
* Fix EL2 Stage-1 MMIO mappings where a random address was used
* Fix SMCCC function number comparison when the SVE hint is set
RISC-V:
* Fix KVM_GET_REG_LIST API for ISA_EXT registers
* Fix reading ISA_EXT register of a missing extension
* Fix ISA_EXT register handling in get-reg-list test
* Fix filtering of AIA registers in get-reg-list test
x86:
* Fixes for TSC_AUX virtualization
* Stop zapping page tables asynchronously, since we don't
zap them as often as before
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"ARM:
- Fix EL2 Stage-1 MMIO mappings where a random address was used
- Fix SMCCC function number comparison when the SVE hint is set
RISC-V:
- Fix KVM_GET_REG_LIST API for ISA_EXT registers
- Fix reading ISA_EXT register of a missing extension
- Fix ISA_EXT register handling in get-reg-list test
- Fix filtering of AIA registers in get-reg-list test
x86:
- Fixes for TSC_AUX virtualization
- Stop zapping page tables asynchronously, since we don't zap them as
often as before"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: SVM: Do not use user return MSR support for virtualized TSC_AUX
KVM: SVM: Fix TSC_AUX virtualization setup
KVM: SVM: INTERCEPT_RDTSCP is never intercepted anyway
KVM: x86/mmu: Stop zapping invalidated TDP MMU roots asynchronously
KVM: x86/mmu: Do not filter address spaces in for_each_tdp_mmu_root_yield_safe()
KVM: x86/mmu: Open code leaf invalidation from mmu_notifier
KVM: riscv: selftests: Selectively filter-out AIA registers
KVM: riscv: selftests: Fix ISA_EXT register handling in get-reg-list
RISC-V: KVM: Fix riscv_vcpu_get_isa_ext_single() for missing extensions
RISC-V: KVM: Fix KVM_GET_REG_LIST API for ISA_EXT registers
KVM: selftests: Assert that vasprintf() is successful
KVM: arm64: nvhe: Ignore SVE hint in SMCCC function ID
KVM: arm64: Properly return allocated EL2 VA from hyp_alloc_private_va_range()
cc:stable.
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Merge tag 'mm-hotfixes-stable-2023-09-23-10-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"13 hotfixes, 10 of which pertain to post-6.5 issues. The other three
are cc:stable"
* tag 'mm-hotfixes-stable-2023-09-23-10-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
proc: nommu: fix empty /proc/<pid>/maps
filemap: add filemap_map_order0_folio() to handle order0 folio
proc: nommu: /proc/<pid>/maps: release mmap read lock
mm: memcontrol: fix GFP_NOFS recursion in memory.high enforcement
pidfd: prevent a kernel-doc warning
argv_split: fix kernel-doc warnings
scatterlist: add missing function params to kernel-doc
selftests/proc: fixup proc-empty-vm test after KSM changes
revert "scripts/gdb/symbols: add specific ko module load command"
selftests: link libasan statically for tests with -fsanitize=address
task_work: add kerneldoc annotation for 'data' argument
mm: page_alloc: fix CMA and HIGHATOMIC landing on the wrong buddy list
sh: mm: re-add lost __ref to ioremap_prot() to fix modpost warning
- Fix KVM_GET_REG_LIST API for ISA_EXT registers
- Fix reading ISA_EXT register of a missing extension
- Fix ISA_EXT register handling in get-reg-list test
- Fix filtering of AIA registers in get-reg-list test
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Merge tag 'kvm-riscv-fixes-6.6-1' of https://github.com/kvm-riscv/linux into HEAD
KVM/riscv fixes for 6.6, take #1
- Fix KVM_GET_REG_LIST API for ISA_EXT registers
- Fix reading ISA_EXT register of a missing extension
- Fix ISA_EXT register handling in get-reg-list test
- Fix filtering of AIA registers in get-reg-list test
In order to use run_kselftest.sh the list of tests must be emitted to
populate kselftest-list.txt.
The powerpc Makefile is written to use EMIT_TESTS. But support for
EMIT_TESTS was dropped in commit d4e59a536f ("selftests: Use runner.sh
for emit targets"). Although prior to that commit a548de0fe8
("selftests: lib.mk: add test execute bit check to EMIT_TESTS") had
already broken run_kselftest.sh for powerpc due to the executable check
using the wrong path.
It can be fixed by replacing the EMIT_TESTS definitions with actual
emit_tests rules in the powerpc Makefiles. This makes run_kselftest.sh
able to run powerpc tests:
$ cd linux
$ export ARCH=powerpc
$ export CROSS_COMPILE=powerpc64le-linux-gnu-
$ make headers
$ make -j -C tools/testing/selftests install
$ grep -c "^powerpc" tools/testing/selftests/kselftest_install/kselftest-list.txt
182
Fixes: d4e59a536f ("selftests: Use runner.sh for emit targets")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230921072623.828772-1-mpe@ellerman.id.au
