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Oleg Nesterov 51fc55e41c fix race between exit_itimers() and /proc/pid/timers 
commit d5b36a4dbd upstream.

As Chris explains, the comment above exit_itimers() is not correct,
we can race with proc_timers_seq_ops. Change exit_itimers() to clear
signal->posix_timers with ->siglock held.

Cc: <stable@vger.kernel.org>
Reported-by: chris@accessvector.net
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-04-19 17:51:16 +08:00
arch
block
certs
crypto
Documentation
drivers xen/netback: avoid entering xenvif_rx_next_skb() with an empty rx queue 2023-04-19 17:51:15 +08:00
fs fix race between exit_itimers() and /proc/pid/timers 2023-04-19 17:51:16 +08:00
include fix race between exit_itimers() and /proc/pid/timers 2023-04-19 17:51:16 +08:00
init
ipc
kernel fix race between exit_itimers() and /proc/pid/timers 2023-04-19 17:51:16 +08:00
lib
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sound ALSA: hda/realtek - Enable the headset-mic on a Xiaomi's laptop 2023-04-19 17:51:15 +08:00
tools
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Makefile Linux 5.15.55 2023-04-19 17:51:15 +08:00
README

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.