i2som-imx-linux/kernel at 9425cb156941322d78ca585d68d25fa9610c79ca - i2som-imx-linux - i2SOMGit

iMX/i2som-imx-linux

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Tetsuo Handa 08dee81491 PM / hibernate: Fix oops at snapshot_write()

commit fc14eebfc2 upstream.

syzbot is reporting NULL pointer dereference at snapshot_write() [1].
This is because data->handle is zero-cleared by ioctl(SNAPSHOT_FREE).
Fix this by checking data_of(data->handle) != NULL before using it.

[1] https://syzkaller.appspot.com/bug?id=828a3c71bd344a6de8b6a31233d51a72099f27fd

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Reported-by: syzbot <syzbot+ae590932da6e45d6564d@syzkaller.appspotmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2018-07-17 11:48:34 +02:00

..

bpf: reject passing modified ctx to helper functions

2018-07-17 11:48:21 +02:00

Merge branch 'for-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq

2018-04-03 18:00:13 -07:00

Merge tag 'kvm-4.16-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm

2018-02-10 13:16:35 -08:00

Merge tag 'for_linus-4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/kgdb

2018-04-12 10:21:19 -07:00

perf/core: Fix possible Spectre-v1 indexing for ->aux_pages[]

2018-05-05 08:37:27 +02:00

…

genirq/migration: Avoid out of line call if pending is not set

2018-06-26 07:51:30 +08:00

livepatch: Allow to call a custom callback when freeing shadow variables

2018-04-17 13:42:48 +02:00

locking/rwsem: Fix up_read_non_owner() warning with DEBUG_RWSEMS

2018-07-03 11:27:00 +02:00

PM / hibernate: Fix oops at snapshot_write()

2018-07-17 11:48:34 +02:00

printk: fix possible reuse of va_list variable

2018-07-03 11:26:49 +02:00

Merge branches 'fixes.2018.02.23a', 'srcu.2018.02.20a' and 'torture.2018.02.20a' into HEAD

2018-02-23 15:15:41 -08:00

sched/headers: Fix typo

2018-05-31 12:27:13 +02:00

time: Make sure jiffies_to_msecs() preserves non-zero time periods

2018-07-03 11:26:59 +02:00

tracing: Reorder display of TGID to be after PID

2018-07-17 11:48:30 +02:00

.gitignore

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acct.c

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async.c

kernel/async.c: revert "async: simplify lowest_in_progress()"

2018-02-06 18:32:44 -08:00

audit_fsnotify.c

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audit_tree.c

audit: track the owner of the command mutex ourselves

2018-02-23 11:22:22 -05:00

audit_watch.c

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audit.c

Merge tag 'audit-pr-20180403' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit

2018-04-06 15:01:25 -07:00

audit.h

audit: track the owner of the command mutex ourselves

2018-02-23 11:22:22 -05:00

auditfilter.c

audit: deprecate the AUDIT_FILTER_ENTRY filter

2018-02-15 14:36:29 -05:00

auditsc.c

audit: bail before bug check if audit disabled

2018-02-15 14:40:25 -05:00

backtracetest.c

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bounds.c

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capability.c

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compat.c

compat: fix 4-byte infoleak via uninitialized struct field

2018-05-10 17:51:58 -07:00

configs.c

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context_tracking.c

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cpu_pm.c

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cpu.c

cpu/hotplug: Fix unused function warning

2018-03-15 20:34:40 +01:00

crash_core.c

kexec: export PG_swapbacked to VMCOREINFO

2018-04-13 17:10:27 -07:00

crash_dump.c

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cred.c

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delayacct.c

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dma.c

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elfcore.c

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exec_domain.c

get rid of pointless includes of fs_struct.h

2018-02-22 14:28:50 -05:00

exit.c

kernel: use kernel_wait4() instead of sys_wait4()

2018-04-02 20:14:51 +02:00

extable.c

extable: Make init_kernel_text() global

2018-02-21 16:54:06 +01:00

fail_function.c

error-injection: Fix to prohibit jump optimization

2018-03-12 16:16:00 +01:00

fork.c

fork: unconditionally clear stack on fork

2018-04-20 17:18:35 -07:00

freezer.c

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futex_compat.c

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futex.c

pids: introduce find_get_task_by_vpid() helper

2018-02-06 18:32:46 -08:00

groups.c

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hung_task.c

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irq_work.c

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jump_label.c

jump_label: Disable jump labels in __exit code

2018-03-20 08:57:17 +01:00

kallsyms.c

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk

2018-02-01 13:36:15 -08:00

kcmp.c

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Kconfig.freezer

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Kconfig.hz

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Kconfig.locks

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Kconfig.preempt

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kcov.c

kcov: detect double association with a single task

2018-02-06 18:32:46 -08:00

kexec_core.c

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kexec_file.c

kernel/kexec_file.c: allow archs to set purgatory load address

2018-04-13 17:10:28 -07:00

kexec_internal.h

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kexec.c

kexec: call do_kexec_load() in compat syscall directly

2018-04-02 20:15:01 +02:00

kmod.c

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kprobes.c

kprobes: Fix random address output of blacklist file

2018-04-25 10:27:56 -04:00

ksysfs.c

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kthread.c

kthread: Allow kthread_park() on a parked kthread

2018-05-25 08:03:51 +02:00

latencytop.c

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Makefile

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memremap.c

kernel/memremap: Remove stale devres_free() call

2018-03-06 10:58:54 -08:00

module_signing.c

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module-internal.h

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module.c

init: fix false positives in W+X checking

2018-05-11 17:28:45 -07:00

notifier.c

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nsproxy.c

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padata.c

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panic.c

taint: add taint for randstruct

2018-04-11 10:28:35 -07:00

params.c

kernel/params.c: downgrade warning for unsafe parameters

2018-04-11 10:28:37 -07:00

pid_namespace.c

Merge branch 'userns-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace

2018-04-03 19:15:32 -07:00

pid.c

xarray: add the xa_lock to the radix_tree_root

2018-04-11 10:28:39 -07:00

profile.c

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ptrace.c

pids: introduce find_get_task_by_vpid() helper

2018-02-06 18:32:46 -08:00

range.c

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reboot.c

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relay.c

kernel/relay.c: limit kmalloc size to KMALLOC_MAX_SIZE

2018-02-21 15:35:43 -08:00

resource.c

resource: fix integer overflow at reallocation

2018-04-13 17:10:27 -07:00

seccomp.c

seccomp: Move speculation migitation control to arch code

2018-05-05 00:51:44 +02:00

signal.c

sched/core: Introduce set_special_state()

2018-05-04 07:54:54 +02:00

smp.c

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smpboot.c

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smpboot.h

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softirq.c

softirq: Reorder trace_softirqs_on to prevent lockdep splat

2018-07-03 11:26:53 +02:00

stacktrace.c

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stop_machine.c

stop_machine, sched: Fix migrate_swap() vs. active_balance() deadlock

2018-05-03 07:38:03 +02:00

sys_ni.c

syscalls/core: Prepare CONFIG_ARCH_HAS_SYSCALL_WRAPPER=y for compat syscalls

2018-04-05 16:59:38 +02:00

sys.c

kernel/sys.c: fix potential Spectre v1 issue

2018-05-25 18:12:11 -07:00

sysctl_binary.c

staging: irda: remove remaining remants of irda code removal

2018-04-16 11:26:49 +02:00

sysctl.c

kernel/sysctl.c: add kdoc comments to do_proc_do{u}intvec_minmax_conv_param

2018-04-11 10:28:38 -07:00

task_work.c

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taskstats.c

pids: introduce find_get_task_by_vpid() helper

2018-02-06 18:32:46 -08:00

test_kprobes.c

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torture.c

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tracepoint.c

tracepoint: Do not warn on ENOMEM

2018-04-30 12:09:56 -04:00

tsacct.c

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ucount.c

headers: untangle kmemleak.h from mm.h

2018-04-05 21:36:27 -07:00

uid16.c

fs: add do_fchownat(), ksys_fchown() helpers and ksys_{,l}chown() wrappers

2018-04-02 20:15:59 +02:00

uid16.h

kernel: provide ksys_*() wrappers for syscalls called by kernel/uid16.c

2018-04-02 20:15:30 +02:00

umh.c

kernel: use kernel_wait4() instead of sys_wait4()

2018-04-02 20:14:51 +02:00

up.c

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user_namespace.c

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user-return-notifier.c

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user.c

efivarfs: Limit the rate for non-root to read files

2018-02-22 10:21:02 -08:00

utsname_sysctl.c

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utsname.c

uts: create "struct uts_namespace" from kmem_cache

2018-04-11 10:28:35 -07:00

watchdog_hld.c

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watchdog.c

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workqueue_internal.h

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workqueue.c

Merge branch 'for-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq

2018-04-03 18:00:13 -07:00