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4aa9340584
linux/arch/s390/include/asm
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Baoquan He 4aa9340584 s390/kexec: fix memory leak of ipl report buffer 
unreferenced object 0x38000195000 (size 4096):
  comm "kexec", pid 8548, jiffies 4294953647 (age 32443.270s)
  hex dump (first 32 bytes):
    00 00 00 c8 20 00 00 00 00 00 00 c0 02 80 00 00  .... ...........
    40 40 40 40 40 40 40 40 00 00 00 00 00 00 00 00  @@@@@@@@........
  backtrace:
    [<0000000011a2f199>] __vmalloc_node_range+0xc0/0x140
    [<0000000081fa2752>] vzalloc+0x5a/0x70
    [<0000000063a4c92d>] ipl_report_finish+0x2c/0x180
    [<00000000553304da>] kexec_file_add_ipl_report+0xf4/0x150
    [<00000000862d033f>] kexec_file_add_components+0x124/0x160
    [<000000000d2717bb>] arch_kexec_kernel_image_load+0x62/0x90
    [<000000002e0373b6>] kimage_file_alloc_init+0x1aa/0x2e0
    [<0000000060f2d14f>] __do_sys_kexec_file_load+0x17c/0x2c0
    [<000000008c86fe5a>] __s390x_sys_kexec_file_load+0x40/0x50
    [<000000001fdb9dac>] __do_syscall+0x1bc/0x1f0
    [<000000003ee4258d>] system_call+0x78/0xa0

Signed-off-by: Baoquan He <bhe@redhat.com>
Reviewed-by: Philipp Rudo <prudo@redhat.com>
Fixes: 99feaa717e ("s390/kexec_file: Create ipl report and pass to next kernel")
Cc: <stable@vger.kernel.org> # v5.2: 20c76e242e: s390/kexec: fix return code handling
Cc: <stable@vger.kernel.org> # v5.2
Link: https://lore.kernel.org/r/20211116033101.GD21646@MiWiFi-R3L-srv
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
2021-11-18 17:50:07 +01:00
..
fpu s390: convert to generic entry 2021-01-19 12:29:26 +01:00
trace
vdso s390/vdso: use system call functions 2021-07-27 09:39:15 +02:00
airq.h s390/airq: use DMA memory for adapter interrupts 2019-06-15 12:25:05 +02:00
alternative-asm.h
alternative.h s390/alternatives: add alternative_input() / alternative_io() 2021-02-09 15:57:06 +01:00
ap.h s390/ap: get rid of register asm in ap_dqap() 2021-07-08 22:12:17 +02:00
appldata.h
archrandom.h s390/crypto: add arch_get_random_long() support 2020-12-10 21:02:08 +01:00
asm-const.h s390/kernel: unify EX_TABLE* implementations 2020-07-20 10:55:45 +02:00
asm-prototypes.h
atomic_ops.h s390/atomic,cmpxchg: make constraints work with old compilers 2021-04-15 17:47:42 +02:00
atomic.h locking/atomic: make ARCH_ATOMIC a Kconfig symbol 2021-05-26 13:20:49 +02:00
barrier.h s390/barrier: factor out bcr_serialize() 2021-10-11 20:55:58 +02:00
bitops.h s390/bitops: return true/false (not 1/0) from bool functions 2021-10-26 15:21:29 +02:00
boot_data.h s390/ipl: read IPL report at early boot 2019-04-26 12:34:05 +02:00
bug.h printk: Make linux/printk.h self-contained 2020-07-27 17:46:24 +09:00
bugs.h
cache.h treewide: Convert macro and uses of __section(foo) to __section("foo") 2020-10-25 14:51:49 -07:00
ccwdev.h s390/cio: remove duplicate struct ccw1 declaration 2021-04-05 11:30:57 +02:00
ccwgroup.h s390/qeth: fix deadlock during failing recovery 2021-09-21 20:02:24 -07:00
checksum.h s390/checksum: use register pair instead of register asm 2021-06-18 16:41:21 +02:00
chpid.h
chsc.h s390/cio: Add new Operation Code OC3 to PNSO 2020-09-15 13:21:46 -07:00
cio.h s390/cio: remove unused include linux/spinlock.h from cio.h 2021-07-27 09:39:13 +02:00
clocksource.h s390: convert to GENERIC_VDSO 2020-08-26 18:47:21 +02:00
clp.h s390/pci: Implement ioremap_wc/prot() with MIO 2020-09-14 10:30:07 +02:00
cmb.h
cmpxchg.h s390/cmpxchg: use register pair instead of register asm 2021-06-28 11:18:28 +02:00
compat.h arch: remove compat_alloc_user_space 2021-09-08 15:32:35 -07:00
cpacf.h s390/cpacf: get rid of register asm 2021-07-27 09:39:15 +02:00
cpcmd.h
cpu_mcf.h s390/cpum_cf: move array from header to C file 2021-09-07 13:38:41 +02:00
cpu_mf-insn.h
cpu_mf.h s390/cpum_sf: Replace function name in debug statements 2019-11-30 10:52:46 +01:00
cpu.h s390: add support for BEAR enhancement facility 2021-10-26 15:21:29 +02:00
cpufeature.h s390/hwcaps: shorten HWCAP defines 2021-07-27 09:39:20 +02:00
cputime.h s390: convert to generic entry 2021-01-19 12:29:26 +01:00
crw.h
css_chars.h s390/cio: Add new Operation Code OC3 to PNSO 2020-09-15 13:21:46 -07:00
ctl_reg.h s390/ctl_reg: add ctlreg5 and ctlreg15 unions 2021-07-27 09:39:17 +02:00
current.h
debug.h s390/debug: fix kernel-doc warnings 2021-10-11 20:55:58 +02:00
delay.h s390/delay: remove udelay_simple() 2020-12-16 14:55:49 +01:00
diag.h s390: rename dma section to amode31 2021-08-05 14:10:53 +02:00
dis.h
dma.h
dwarf.h
eadm.h s390/scm: Make struct scm_driver::remove return void 2021-07-21 11:53:42 +02:00
ebcdic.h s390: fix clang -Wpointer-sign warnigns in boot code 2019-05-03 17:17:58 +02:00
elf.h s390/hwcaps: make sie capability regular hwcap 2021-07-27 09:39:21 +02:00
entry-common.h s390/signal: remove sigreturn on stack 2021-07-08 22:12:17 +02:00
exec.h
extable.h s390: rename dma section to amode31 2021-08-05 14:10:53 +02:00
extmem.h
facility.h include/linux/delay.h: replace kernel.h with the necessary inclusions 2021-11-09 10:02:49 -08:00
fcx.h
ftrace.h s390/ftrace: add HAVE_DYNAMIC_FTRACE_WITH_DIRECT_CALL support 2021-10-19 15:39:53 +02:00
ftrace.lds.h s390/ftrace: implement hotpatching 2021-08-03 14:31:40 +02:00
futex.h s390/mm: remove set_fs / rework address space handling 2020-11-23 12:01:12 +01:00
gmap.h s390: remove orphaned function declarations 2020-09-30 12:09:54 +02:00
hardirq.h softirq: Move __ARCH_HAS_DO_SOFTIRQ to Kconfig 2021-02-10 23:34:16 +01:00
hugetlb.h mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
hw_irq.h s390/irq: make init_ext_interrupts static 2020-03-11 14:18:44 +01:00
idals.h s390/idal: use struct_size() in kmalloc() 2019-06-04 15:03:18 +02:00
idle.h s390/time,idle: get rid of unsigned long long 2021-03-08 10:46:27 +01:00
io.h mm: remove xlate_dev_kmem_ptr() 2021-05-07 00:26:34 -07:00
ipl.h s390/cio: remove unused include linux/spinlock.h from cio.h 2021-07-27 09:39:13 +02:00
irq_work.h s390/smp: implement arch_irq_work_raise() 2021-02-24 00:31:22 +01:00
irq.h s390/pci: gather statistics for floating vs directed irqs 2019-04-29 10:47:01 +02:00
irqflags.h s390/irqflags: always inline arch irqflags functions 2021-06-18 16:41:19 +02:00
isc.h
itcw.h
jump_label.h s390/jump_label: make use of HAVE_JUMP_LABEL_BATCH 2021-10-11 20:55:58 +02:00
kasan.h s390: setup kernel memory layout early 2021-06-18 16:41:19 +02:00
Kbuild local64.h: make <asm/local64.h> mandatory 2020-12-29 15:36:49 -08:00
kdebug.h exit: Remove calls of do_exit after noreturn versions of die 2021-10-20 13:09:47 -05:00
kexec.h s390/kexec: fix memory leak of ipl report buffer 2021-11-18 17:50:07 +01:00
kfence.h s390: add support for KFENCE 2021-07-30 17:09:02 +02:00
kprobes.h kprobes: treewide: Make it harder to refer kretprobe_trampoline directly 2021-09-30 21:24:06 -04:00
kvm_host.h ARM: 2021-09-07 13:40:51 -07:00
kvm_para.h KVM: s390: generate kvm hypercall functions 2021-08-25 11:03:35 +02:00
linkage.h s390: rename dma section to amode31 2021-08-05 14:10:53 +02:00
livepatch.h s390/ftrace: add ftrace_instruction_pointer_set() helper function 2021-10-11 20:55:58 +02:00
lowcore.h s390: add support for BEAR enhancement facility 2021-10-26 15:21:29 +02:00
mem_detect.h s390/mem_detect: provide single get_mem_detect_end 2019-08-26 12:51:18 +02:00
mem_encrypt.h treewide: Replace the use of mem_encrypt_active() with cc_platform_has() 2021-10-04 11:47:24 +02:00
mmu_context.h s390/mm: ensure switch_mm() is executed with interrupts disabled 2021-06-07 17:06:59 +02:00
mmu.h s390 updates for the 5.7 merge window 2020-04-04 09:45:50 -07:00
mmzone.h
module.h s390/ftrace: implement hotpatching 2021-08-03 14:31:40 +02:00
nmi.h s390/mcck: keep machine check interruption codes sorted 2021-07-05 12:44:23 +02:00
nospec-branch.h s390: introduce nospec_uses_trampoline() 2021-10-26 15:21:29 +02:00
nospec-insn.h s390/nospec: rename assembler generated expoline thunks 2019-05-02 13:54:11 +02:00
numa.h s390/mm: remove fake numa support 2020-02-27 16:02:21 +01:00
os_info.h
page-states.h
page.h s390/mm: remove unused cmma functions 2021-08-18 10:01:28 +02:00
pci_clp.h s390/pci: Implement ioremap_wc/prot() with MIO 2020-09-14 10:30:07 +02:00
pci_debug.h
pci_dma.h s390/pci: improve DMA translation init and exit 2021-08-25 11:03:34 +02:00
pci_insn.h s390: fix setting of mio addressing control 2019-07-11 20:40:02 +02:00
pci_io.h s390/pci: Fix s390_mmio_read/write with MIO 2020-05-14 23:21:37 +02:00
pci.h s390/pci: implement minimal PCI error recovery 2021-11-08 14:17:49 +01:00
percpu.h s390/cmpxchg: use register pair instead of register asm 2021-06-28 11:18:28 +02:00
perf_event.h s390: implement perf_arch_fetch_caller_regs 2019-11-30 10:52:44 +01:00
pgalloc.h mm/thp: define default pmd_pgtable() 2021-07-01 11:06:03 -07:00
pgtable.h s390 updates for the 5.16 merge window 2021-11-06 14:48:06 -07:00
pkey.h s390/pkey: pkey cleanup: narrow in-kernel API, fix some variable types 2019-08-21 12:58:53 +02:00
pnet.h
preempt.h s390: preempt: Fix preempt_count initialization 2021-07-08 22:12:18 +02:00
processor.h sched: Add wrapper for get_wchan() to keep task blocked 2021-10-15 11:25:14 +02:00
ptdump.h s390: add ARCH_HAS_DEBUG_WX support 2020-09-14 11:38:35 +02:00
ptrace.h s390/ptrace: add last_break member to pt_regs 2021-10-26 15:21:28 +02:00
purgatory.h
qdio.h s390/qeth: move qdio's QAOB cache into qeth 2021-10-25 13:58:19 +01:00
runtime_instr.h
schid.h
sclp.h s390/sclp: sort out physical vs virtual pointers usage 2021-10-26 15:21:28 +02:00
scsw.h s390: Simplify the calculation of variables 2021-02-09 15:57:04 +01:00
seccomp.h s390: Enable seccomp architecture tracking 2020-11-20 11:16:35 -08:00
sections.h s390: use generic version of arch_is_kernel_initmem_freed() 2021-11-06 13:30:38 -07:00
serial.h
set_memory.h s390/mm: implement set_memory_4k() 2021-07-30 17:09:01 +02:00
setup.h s390: make command line configurable 2021-10-26 15:21:31 +02:00
shmparam.h
signal.h
sigp.h s390/sigp: use register pair instead of register asm 2021-06-18 16:41:22 +02:00
smp.h s390/topology: fix topology information when calling cpu hotplug notifiers 2021-09-07 13:38:41 +02:00
softirq_stack.h s390/softirq: use call_on_stack() macro 2021-07-08 22:12:18 +02:00
sparsemem.h
spinlock_types.h s390/spinlock: remove align attribute from arch_spinlock_t 2021-03-28 20:23:54 +02:00
spinlock.h locking: Remove spin_lock_flags() etc 2021-10-30 16:37:28 +02:00
stacktrace.h s390/unwind: use current_frame_address() to unwind current task 2021-09-07 13:38:27 +02:00
stp.h s390/stp: add support for leap seconds 2020-09-26 15:51:21 +02:00
string.h s390/string: use generic strlcpy 2021-10-26 15:21:30 +02:00
switch_to.h
syscall_wrapper.h s390: pass struct pt_regs instead of registers to syscalls 2021-01-19 12:29:27 +01:00
syscall.h arch: remove unused function syscall_set_arguments() 2021-09-14 16:06:20 +02:00
sysinfo.h
termios.h
text-patching.h s390: introduce text_poke_sync() 2021-10-11 20:55:58 +02:00
thread_info.h s390: add CPU field to struct thread_info 2021-09-30 16:12:51 +02:00
timex.h s390/timex: get rid of register asm 2021-06-28 11:18:28 +02:00
tlb.h s390/tlb: make cleared_pXs flags consistent with generic code 2021-01-19 12:29:25 +01:00
tlbflush.h s390: remove orphaned function declarations 2020-09-30 12:09:54 +02:00
topology.h s390/numa: set node distance to LOCAL_DISTANCE 2020-08-11 18:16:35 +02:00
tpi.h s390: add struct tpi_info to struct pt_regs 2021-06-07 17:07:01 +02:00
types.h s390: introduce register pair union 2021-06-18 16:41:21 +02:00
uaccess.h arch: remove compat_alloc_user_space 2021-09-08 15:32:35 -07:00
unistd.h s390: wire up clone3 system call 2019-07-23 10:45:53 +02:00
unwind.h s390/unwind: use current_frame_address() to unwind current task 2021-09-07 13:38:27 +02:00
uprobes.h
user.h
uv.h KVM: s390: pv: properly handle page flags for protected guests 2021-10-27 07:55:53 +02:00
vdso.h s390/vdso: add minimal compat vdso 2021-07-08 15:37:28 +02:00
vga.h
vmalloc.h mm/vmalloc: Add empty <asm/vmalloc.h> headers and use them from <linux/vmalloc.h> 2019-12-10 10:12:55 +01:00
vmlinux.lds.h s390: introduce .boot.preserved.data section 2019-04-10 17:47:09 +02:00
vtime.h s390: convert to generic entry 2021-01-19 12:29:26 +01:00
vtimer.h s390: remove orphaned function declarations 2020-09-30 12:09:54 +02:00
vx-insn.h
xor.h