A single fix for the recently introduced regression in posix CPU timers

which failed to stop the timer when requested. That caused unexpected
 signals to be sent to the process/thread causing malfunction.
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Merge tag 'timers-urgent-2021-09-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull timer fix from Thomas Gleixner:
 "A single fix for the recently introduced regression in posix CPU
  timers which failed to stop the timer when requested. That caused
  unexpected signals to be sent to the process/thread causing
  malfunction"

* tag 'timers-urgent-2021-09-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  posix-cpu-timers: Prevent spuriously armed 0-value itimer
This commit is contained in:
Linus Torvalds 2021-09-26 10:00:16 -07:00
commit 3a398acc56

View File

@ -1404,7 +1404,8 @@ void set_process_cpu_timer(struct task_struct *tsk, unsigned int clkid,
}
}
*newval += now;
if (*newval)
*newval += now;
}
/*