Files
linux-stable-mirror/kernel
WenTao LiangandGreg Kroah-Hartman d605d00085 posix-cpu-timers: Fix pid refcount leak in do_cpu_nanosleep() error path
commit 87bd2ad568 upstream.

In do_cpu_nanosleep(), posix_cpu_timer_create() takes a pid reference
via get_pid() and stores it in timer.it.cpu.pid. If the subsequent
posix_cpu_timer_set() call fails, the function returns immediately
without calling posix_cpu_timer_del() to release the pid reference,
causing a leak.

Fix it by calling posix_cpu_timer_del() before the unlock-and-return
on the error path, consistent with the other exit paths in the same
function.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: WenTao Liang <vulab@iscas.ac.cn>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20260611161738.97043-1-vulab@iscas.ac.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-07-24 15:54:24 +02:00
..
2025-12-07 06:12:35 +09:00
2023-12-20 17:00:20 +01:00
2023-11-28 17:06:57 +00:00
2024-10-17 15:22:28 +02:00