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432dc0654c612457285a5dcf9bb13968ac6f0804
linux/kernel
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Andrei Vagin 432dc0654c ucounts: fix counter leak in inc_rlimit_get_ucounts() 
The inc_rlimit_get_ucounts() increments the specified rlimit counter and
then checks its limit.  If the value exceeds the limit, the function
returns an error without decrementing the counter.

Link: https://lkml.kernel.org/r/20241101191940.3211128-1-roman.gushchin@linux.dev
Fixes: 15bc01effe ("ucounts: Fix signal ucount refcounting")
Signed-off-by: Andrei Vagin <avagin@google.com>
Co-developed-by: Roman Gushchin <roman.gushchin@linux.dev>
Signed-off-by: Roman Gushchin <roman.gushchin@linux.dev>
Tested-by: Roman Gushchin <roman.gushchin@linux.dev>
Acked-by: Alexey Gladkov <legion@kernel.org>
Cc: Kees Cook <kees@kernel.org>
Cc: Andrei Vagin <avagin@google.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Alexey Gladkov <legion@kernel.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-11-07 14:14:59 -08:00
..
bpf
Merge tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
2024-10-31 14:56:19 -10:00
cgroup
cgroup: Fix potential overflow issue when checking max_depth
2024-10-14 13:39:25 -10:00
configs
tinyconfig: remove unnecessary 'is not set' for choice blocks
2024-09-01 20:34:38 +09:00
debug
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
dma
dma-mapping: report unlimited DMA addressing in IOMMU DMA path
2024-09-23 08:38:56 +02:00
entry
treewide: context_tracking: Rename CONTEXT_* into CT_STATE_*
2024-07-29 07:33:10 +05:30
events
perf: Fix missing RCU reader protection in perf_event_clear_cpumask()
2024-10-23 20:52:25 +02:00
futex
fault-inject: improve build for CONFIG_FAULT_INJECTION=n
2024-09-01 20:43:33 -07:00
gcov
gcov: add support for GCC 14
2024-06-15 10:43:06 -07:00
irq
genirq/msi: Fix off-by-one error in msi_domain_alloc()
2024-10-27 10:40:47 +01:00
kcsan
kcsan: Use min() to fix Coccinelle warning
2024-08-01 16:40:44 -07:00
livepatch
livepatch: Replace snprintf() with sysfs_emit()
2024-07-02 16:56:18 +02:00
locking
Merge tag 'locking-urgent-2024-09-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2024-09-29 08:51:30 -07:00
module
Merge tag 'modules-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux
2024-09-28 09:06:15 -07:00
power
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
printk
Merge tag 'drm-next-2024-09-19' of https://gitlab.freedesktop.org/drm/kernel
2024-09-19 10:18:15 +02:00
rcu
Merge branch 'linus' into sched/urgent, to resolve conflict
2024-10-17 09:58:07 +02:00
sched
Merge tag 'sched-urgent-2024-11-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2024-11-03 08:18:28 -10:00
time
Merge tag 'net-6.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2024-10-24 16:43:50 -07:00
trace
Merge tag 'ftrace-v6.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
2024-10-27 08:56:22 -10:00
.gitignore
…
acct.c
kernel misc: Remove the now superfluous sentinel elements from ctl_table array
2024-04-24 09:43:53 +02:00
async.c
async: Use a dedicated unbound workqueue with raised min_active
2024-02-09 11:13:59 -10:00
audit_fsnotify.c
…
audit_tree.c
fsnotify: create a wrapper fsnotify_find_inode_mark()
2024-04-04 16:24:16 +02:00
audit_watch.c
fsnotify: create a wrapper fsnotify_find_inode_mark()
2024-04-04 16:24:16 +02:00
audit.c
audit: Make use of str_enabled_disabled() helper
2024-09-03 16:35:16 -04:00
audit.h
…
auditfilter.c
audit: use task_tgid_nr() instead of task_pid_nr()
2024-08-28 16:48:28 -04:00
auditsc.c
audit: use task_tgid_nr() instead of task_pid_nr()
2024-08-28 16:48:28 -04:00
backtracetest.c
backtracetest: add MODULE_DESCRIPTION()
2024-06-24 22:24:55 -07:00
bounds.c
bounds: Use the right number of bits for power-of-two CONFIG_NR_CPUS
2024-04-29 08:29:29 -07:00
capability.c
…
cfi.c
…
compat.c
…
configs.c
…
context_tracking.c
context_tracking, rcu: Rename rcu_dyntick trace event into rcu_watching
2024-08-15 21:30:43 +05:30
cpu_pm.c
…
cpu.c
Merge tag 'timers-core-2024-09-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2024-09-17 07:25:37 +02:00
crash_core.c
Document/kexec: generalize crash hotplug description
2024-09-01 20:43:37 -07:00
crash_reserve.c
crash: fix crash memory reserve exceed system memory bug
2024-09-01 20:43:30 -07:00
cred.c
cred: Use KMEM_CACHE() instead of kmem_cache_create()
2024-02-23 17:33:31 -05:00
delayacct.c
sysctl: treewide: constify the ctl_table argument of proc_handlers
2024-07-24 20:59:29 +02:00
dma.c
…
elfcorehdr.c
crash: remove dependency of FA_DUMP on CRASH_DUMP
2024-02-23 17:48:22 -08:00
exec_domain.c
…
exit.c
Merge tag 'mm-stable-2024-09-20-02-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2024-09-21 07:29:05 -07:00
exit.h
exit: add internal include file with helpers
2023-09-21 12:03:50 -06:00
extable.c
…
fail_function.c
…
fork.c
Merge tag 'timers-urgent-2024-11-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2024-11-03 08:22:21 -10:00
freezer.c
sched/fair: Fix external p->on_rq users
2024-10-14 09:14:35 +02:00
gen_kheaders.sh
kheaders: use command -v to test for existence of cpio
2024-05-30 01:13:20 +09:00
groups.c
groups: Convert group_info.usage to refcount_t
2023-09-29 11:28:39 -07:00
hung_task.c
sysctl: treewide: constify the ctl_table argument of proc_handlers
2024-07-24 20:59:29 +02:00
iomem.c
…
irq_work.c
…
jump_label.c
jump_label: Fix static_key_slow_dec() yet again
2024-09-10 11:57:27 +02:00
kallsyms_internal.h
kallsyms: get rid of code for absolute kallsyms
2024-07-20 16:33:21 +09:00
kallsyms_selftest.c
kallsyms: Match symbols exactly with CONFIG_LTO_CLANG
2024-08-15 09:33:35 -07:00
kallsyms_selftest.h
…
kallsyms.c
kallsyms: Match symbols exactly with CONFIG_LTO_CLANG
2024-08-15 09:33:35 -07:00
kcmp.c
file: convert to SLAB_TYPESAFE_BY_RCU
2023-10-19 11:02:48 +02:00
Kconfig.freezer
…
Kconfig.hz
…
Kconfig.kexec
crash: clean up kdump related config items
2024-02-23 17:48:22 -08:00
Kconfig.locks
…
Kconfig.preempt
sched_ext: Build fix on !CONFIG_STACKTRACE[_SUPPORT]
2024-08-01 07:08:01 -10:00
kcov.c
Merge tag 'x86-build-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2024-09-17 12:40:34 +02:00
kexec_core.c
sysctl: treewide: constify the ctl_table argument of proc_handlers
2024-07-24 20:59:29 +02:00
kexec_elf.c
…
kexec_file.c
kexec_file: fix elfcorehdr digest exclusion when CONFIG_CRASH_HOTPLUG=y
2024-09-01 17:59:01 -07:00
kexec_internal.h
kexec: use atomic_try_cmpxchg_acquire() in kexec_trylock()
2024-09-01 20:43:23 -07:00
kexec.c
crash: add a new kexec flag for hotplug support
2024-04-23 14:59:01 +10:00
kheaders.c
…
kprobes.c
kprobes: Fix to check symbol prefixes correctly
2024-08-05 14:04:03 +09:00
ksyms_common.c
…
ksysfs.c
profiling: remove prof_cpu_mask
2024-07-29 10:45:54 -07:00
kthread.c
kthread: unpark only parked kthread
2024-10-09 12:47:19 -07:00
latencytop.c
sysctl: treewide: constify the ctl_table argument of proc_handlers
2024-07-24 20:59:29 +02:00
Makefile
mm: move kernel/numa.c to mm/
2024-09-03 21:15:26 -07:00
module_signature.c
…
notifier.c
…
nsproxy.c
introduce fd_file(), convert all accessors to it.
2024-08-12 22:00:43 -04:00
padata.c
Merge tag 'v6.12-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2024-09-16 06:28:28 +02:00
panic.c
Merge tag 'drm-next-2024-09-19' of https://gitlab.freedesktop.org/drm/kernel
2024-09-19 10:18:15 +02:00
params.c
params: Fix multi-line comment style
2023-12-01 09:51:44 -08:00
pid_namespace.c
sysctl: treewide: constify the ctl_table argument of proc_handlers
2024-07-24 20:59:29 +02:00
pid_sysctl.h
sysctl: treewide: constify the ctl_table argument of proc_handlers
2024-07-24 20:59:29 +02:00
pid.c
introduce fd_file(), convert all accessors to it.
2024-08-12 22:00:43 -04:00
profile.c
profiling: remove profile=sleep support
2024-08-04 13:36:28 -07:00
ptrace.c
ptrace_attach: shift send(SIGSTOP) into ptrace_set_stopped()
2024-02-22 15:38:52 -08:00
range.c
…
reboot.c
kernel misc: Remove the now superfluous sentinel elements from ctl_table array
2024-04-24 09:43:53 +02:00
regset.c
regset: use kvzalloc() for regset_get_alloc()
2024-04-25 21:07:03 -07:00
relay.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
resource_kunit.c
resource, kunit: fix user-after-free in resource_test_region_intersects()
2024-10-09 12:47:19 -07:00
resource.c
resource,kexec: walk_system_ram_res_rev must retain resource flags
2024-10-28 21:40:40 -07:00
rseq.c
…
scftorture.c
scftorture: Make torture_type static
2024-05-30 15:31:51 -07:00
scs.c
…
seccomp.c
sysctl: treewide: constify the ctl_table argument of proc_handlers
2024-07-24 20:59:29 +02:00
signal.c
Revert "binfmt_elf, coredump: Log the reason of the failed core dumps"
2024-09-26 11:39:02 -07:00
smp.c
smp: print only local CPU info when sched_clock goes backward
2024-08-15 00:06:48 +05:30
smpboot.c
kthread: add kthread_stop_put
2023-10-04 10:41:57 -07:00
smpboot.h
…
softirq.c
softirq: Remove unused 'action' parameter from action callback
2024-08-20 17:13:40 +02:00
stackleak.c
sysctl: treewide: constify the ctl_table argument of proc_handlers
2024-07-24 20:59:29 +02:00
stacktrace.c
stacktrace: fix kernel-doc typo
2023-12-29 12:22:29 -08:00
static_call_inline.c
static_call: Replace pointless WARN_ON() in static_call_module_notify()
2024-09-06 16:29:22 +02:00
static_call.c
…
stop_machine.c
rcu: Rename rcu_momentary_dyntick_idle() into rcu_momentary_eqs()
2024-08-15 21:30:42 +05:30
sys_ni.c
Merge tag 'probes-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
2024-07-18 12:19:20 -07:00
sys.c
Merge tag 'pull-stable-struct_fd' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2024-09-23 09:35:36 -07:00
sysctl-test.c
sysctl: Add module description to sysctl-testing
2024-06-03 15:20:37 +02:00
sysctl.c
sysctl: treewide: constify the ctl_table argument of proc_handlers
2024-07-24 20:59:29 +02:00
task_work.c
sched/core: Disable page allocation in task_tick_mm_cid()
2024-10-11 10:49:32 +02:00
taskstats.c
introduce fd_file(), convert all accessors to it.
2024-08-12 22:00:43 -04:00
torture.c
torture: Add MODULE_DESCRIPTION()
2024-05-30 15:31:38 -07:00
tracepoint.c
tracepoint: Support iterating tracepoints in a loading module
2024-09-25 23:23:44 +09:00
tsacct.c
tsacct: replace strncpy() with strscpy()
2024-07-12 16:39:53 -07:00
ucount.c
ucounts: fix counter leak in inc_rlimit_get_ucounts()
2024-11-07 14:14:59 -08:00
uid16.c
…
uid16.h
…
umh.c
sysctl: treewide: constify the ctl_table argument of proc_handlers
2024-07-24 20:59:29 +02:00
up.c
…
user_namespace.c
user_namespace: use kmemdup_array() instead of kmemdup() for multiple allocation
2024-09-09 16:47:42 -07:00
user-return-notifier.c
…
user.c
uidgid: make sure we fit into one cacheline
2024-09-12 12:16:09 +02:00
usermode_driver.c
…
utsname_sysctl.c
sysctl: treewide: constify the ctl_table argument of proc_handlers
2024-07-24 20:59:29 +02:00
utsname.c
…
vhost_task.c
vhost_task: Handle SIGKILL by flushing work and exiting
2024-05-22 08:31:15 -04:00
vmcore_info.c
mm: support only one page_type per page
2024-09-03 21:15:43 -07:00
watch_queue.c
introduce fd_file(), convert all accessors to it.
2024-08-12 22:00:43 -04:00
watchdog_buddy.c
…
watchdog_perf.c
watchdog/perf: properly initialize the turbo mode timestamp and rearm counter
2024-07-17 21:11:34 -07:00
watchdog.c
watchdog: handle the ENODEV failure case of lockup_detector_delay_init() separately
2024-09-01 20:43:32 -07:00
workqueue_internal.h
…
workqueue.c
Merge tag 'wq-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
2024-09-18 06:59:44 +02:00