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linux/kernel
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Dmitry V. Levin fbb77611e9 Fix compat_sys_sigpending breakage 
The latest change of compat_sys_sigpending in commit 8f13621abced
("sigpending(): move compat to native") has broken it in two ways.

First, it tries to write 4 bytes more than userspace expects:
sizeof(old_sigset_t) == sizeof(long) == 8 instead of
sizeof(compat_old_sigset_t) == sizeof(u32) == 4.

Second, on big endian architectures these bytes are being written in the
wrong order.

This bug was found by strace test suite.

Reported-by: Anatoly Pugachev <matorola@gmail.com>
Inspired-by: Eugene Syromyatnikov <evgsyr@gmail.com>
Fixes: 8f13621abced ("sigpending(): move compat to native")
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-08-06 11:48:27 -07:00
..
bpf
bpf: fix bpf_prog_get_info_by_fd to dump correct xlated_prog_len
2017-07-29 23:29:41 -07:00
cgroup
cpuset: fix a deadlock due to incomplete patching of cpusets_enabled()
2017-08-02 17:16:12 -07:00
configs
config: android-base: disable CONFIG_NFSD and CONFIG_NFS_FS
2017-06-09 11:47:38 +02:00
debug
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/debug.h>
2017-03-02 08:42:34 +01:00
events
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2017-07-21 11:12:48 -07:00
gcov
gcov: support GCC 7.1
2017-05-12 15:57:15 -07:00
irq
genirq/cpuhotplug: Revert "Set force affinity flag on hotplug migration"
2017-07-27 15:40:02 +02:00
livepatch
livepatch: Fix stacking of patches with respect to RCU
2017-06-20 10:42:19 +02:00
locking
Merge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2017-07-21 11:11:23 -07:00
power
More power management updates for v4.13-rc1
2017-07-10 15:16:21 -07:00
printk
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk
2017-07-05 11:11:26 -07:00
rcu
rcu: Remove RCU CPU stall warnings from Tiny RCU
2017-06-08 18:52:45 -07:00
sched
sched/core: Fix some documentation build warnings
2017-07-25 11:17:02 +02:00
time
timers: Fix overflow in get_next_timer_interrupt
2017-08-01 14:20:53 +02:00
trace
trace: fix the errors caused by incompatible type of RCU variables
2017-07-20 09:27:29 -04:00
.gitignore
…
acct.c
sched/headers: Prepare to move cputime functionality from <linux/sched.h> into <linux/sched/cputime.h>
2017-03-02 08:42:39 +01:00
async.c
async: Adjust system_state checks
2017-05-23 10:01:37 +02:00
audit_fsnotify.c
Merge branch 'fsnotify' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2017-05-03 11:05:15 -07:00
audit_tree.c
Merge branch 'fsnotify' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2017-05-03 11:05:15 -07:00
audit_watch.c
Merge branch 'fsnotify' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2017-05-03 11:05:15 -07:00
audit.c
Merge branch 'stable-4.13' of git://git.infradead.org/users/pcmoore/audit
2017-07-20 10:22:26 -07:00
audit.h
audit: style fix
2017-06-12 18:07:43 -04:00
auditfilter.c
audit: kernel generated netlink traffic should have a portid of 0
2017-05-02 10:16:05 -04:00
auditsc.c
Merge branch 'stable-4.13' of git://git.infradead.org/users/pcmoore/audit
2017-07-05 11:24:05 -07:00
backtracetest.c
…
bounds.c
…
capability.c
…
compat.c
Merge branch 'misc.compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-07-06 20:57:13 -07:00
configs.c
…
context_tracking.c
…
cpu_pm.c
…
cpu.c
smp/hotplug: Replace BUG_ON and react useful
2017-07-11 22:25:44 +02:00
crash_core.c
kdump: protect vmcoreinfo data under the crash memory
2017-07-12 16:26:00 -07:00
crash_dump.c
…
cred.c
doc: ReSTify credentials.txt
2017-05-18 10:30:19 -06:00
delayacct.c
sched/headers: Prepare to move cputime functionality from <linux/sched.h> into <linux/sched/cputime.h>
2017-03-02 08:42:39 +01:00
dma.c
…
elfcore.c
…
exec_domain.c
…
exit.c
kernel/exit.c: avoid undefined behaviour when calling wait4()
2017-07-10 16:32:36 -07:00
extable.c
lib/extable.c: use bsearch() library function in search_extable()
2017-07-10 16:32:35 -07:00
fork.c
fork,random: use get_random_canary() to set tsk->stack_canary
2017-07-12 16:26:03 -07:00
freezer.c
…
futex_compat.c
…
futex.c
Now that IPC and other changes have landed, enable manual markings for
2017-07-19 08:55:18 -07:00
groups.c
kernel/groups.c: use sort library function
2017-07-10 16:32:34 -07:00
hung_task.c
kernel/hung_task.c: defer showing held locks
2017-05-08 17:15:10 -07:00
irq_work.c
…
jump_label.c
jump_label: Reorder hotplug lock and jump_label_lock
2017-05-26 10:10:45 +02:00
kallsyms.c
kernel/kallsyms.c: replace all_var with IS_ENABLED(CONFIG_KALLSYMS_ALL)
2017-07-10 16:32:34 -07:00
kcmp.c
kcmp: add KCMP_EPOLL_TFD mode to compare epoll target files
2017-07-12 16:26:01 -07:00
Kconfig.freezer
…
Kconfig.hz
…
Kconfig.locks
…
Kconfig.preempt
…
kcov.c
kcov: simplify interrupt check
2017-05-08 17:15:12 -07:00
kexec_core.c
kdump: protect vmcoreinfo data under the crash memory
2017-07-12 16:26:00 -07:00
kexec_file.c
kexec_file: adjust declaration of kexec_purgatory
2017-07-12 16:26:02 -07:00
kexec_internal.h
kexec_file: adjust declaration of kexec_purgatory
2017-07-12 16:26:02 -07:00
kexec.c
kdump: protect vmcoreinfo data under the crash memory
2017-07-12 16:26:00 -07:00
kmod.c
kmod: throttle kmod thread limit
2017-07-14 15:05:13 -07:00
kprobes.c
kprobes: Ensure that jprobe probepoints are at function entry
2017-07-08 11:05:35 +02:00
ksysfs.c
kexec: move vmcoreinfo out of the kernel's .bss section
2017-07-12 16:25:59 -07:00
kthread.c
cgroup, kthread: close race window where new kthreads can be migrated to non-root cgroups
2017-03-17 10:18:47 -04:00
latencytop.c
sched/headers: Prepare to move sched_info_on() and force_schedstat_enabled() from <linux/sched.h> to <linux/sched/stat.h>
2017-03-02 08:42:39 +01:00
Makefile
kernel/watchdog: split up config options
2017-07-12 16:26:02 -07:00
membarrier.c
Fix: Disable sys_membarrier when nohz_full is enabled
2017-01-23 11:32:16 -08:00
memremap.c
mm, memory_hotplug: replace for_device by want_memblock in arch_add_memory
2017-07-06 16:24:32 -07:00
module_signing.c
…
module-internal.h
…
module.c
Modules updates for v4.13
2017-07-12 17:22:01 -07:00
notifier.c
kernel/notifier.c: simplify expression
2017-02-24 17:46:56 -08:00
nsproxy.c
perf: Add PERF_RECORD_NAMESPACES to include namespaces related info
2017-03-13 15:57:41 -03:00
padata.c
padata: Avoid nested calls to cpus_read_lock() in pcrypt_init_padata()
2017-05-26 10:10:37 +02:00
panic.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/debug.h>
2017-03-02 08:42:34 +01:00
params.c
boot/param: Move next_arg() function to lib/cmdline.c for later reuse
2017-04-18 10:37:13 +02:00
pid_namespace.c
pid_ns: Sleep in TASK_INTERRUPTIBLE in zap_pid_ns_processes
2017-05-13 17:26:01 -05:00
pid.c
pid: kill pidhash_size in pidhash_init()
2017-08-02 16:34:46 -07:00
profile.c
sched/headers: Prepare to move sched_info_on() and force_schedstat_enabled() from <linux/sched.h> to <linux/sched/stat.h>
2017-03-02 08:42:39 +01:00
ptrace.c
ptrace: Properly initialize ptracer_cred on fork
2017-05-23 07:40:44 -05:00
range.c
…
reboot.c
…
relay.c
Merge branch 'work.splice' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-05-02 11:38:06 -07:00
resource.c
…
seccomp.c
seccomp: Switch from atomic_t to recount_t
2017-06-26 09:24:00 -07:00
signal.c
Fix compat_sys_sigpending breakage
2017-08-06 11:48:27 -07:00
smp.c
smp, cpumask: Use non-atomic cpumask_{set,clear}_cpu()
2017-05-23 10:01:32 +02:00
smpboot.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/task.h>
2017-03-02 08:42:35 +01:00
smpboot.h
…
softirq.c
sched/core: Remove 'task' parameter and rename tsk_restore_flags() to current_restore_flags()
2017-04-11 09:06:32 +02:00
stacktrace.c
stacktrace/x86: add function for detecting reliable stack traces
2017-03-08 09:18:02 +01:00
stop_machine.c
stop_machine: Provide stop_machine_cpuslocked()
2017-05-26 10:10:36 +02:00
sys_ni.c
…
sys.c
fix a braino in compat_sys_getrlimit()
2017-07-12 09:15:00 -07:00
sysctl_binary.c
kernel/sysctl_binary.c: check name array length in deprecated_sysctl_warning()
2017-07-12 16:26:00 -07:00
sysctl.c
kernel/watchdog: split up config options
2017-07-12 16:26:02 -07:00
task_work.c
…
taskstats.c
taskstats: add e/u/stime for TGID command
2017-05-08 17:15:12 -07:00
test_kprobes.c
…
torture.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/clock.h>
2017-03-02 08:42:27 +01:00
tracepoint.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/task.h>
2017-03-02 08:42:35 +01:00
tsacct.c
sched/headers: Prepare to move cputime functionality from <linux/sched.h> into <linux/sched/cputime.h>
2017-03-02 08:42:39 +01:00
ucount.c
ucount: Remove the atomicity from ucount->count
2017-03-06 15:26:37 -06:00
uid16.c
sched/headers: Prepare to remove <linux/cred.h> inclusion from <linux/sched.h>
2017-03-02 08:42:31 +01:00
up.c
…
user_namespace.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/signal.h>
2017-03-02 08:42:29 +01:00
user-return-notifier.c
…
user.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/user.h>
2017-03-02 08:42:29 +01:00
utsname_sysctl.c
sched/headers: Remove <linux/rwsem.h> from <linux/sched.h>
2017-03-03 01:45:36 +01:00
utsname.c
sched/headers: Prepare to move the task_lock()/unlock() APIs to <linux/sched/task.h>
2017-03-02 08:42:38 +01:00
watchdog_hld.c
kernel/watchdog: split up config options
2017-07-12 16:26:02 -07:00
watchdog.c
kernel/watchdog.c: use better pr_fmt prefix
2017-07-14 15:05:13 -07:00
workqueue_internal.h
…
workqueue.c
workqueue: Work around edge cases for calc of pool's cpumask
2017-07-28 11:05:52 -04:00