From: Oleg Nesterov <oleg@redhat.com>
To: Sven Schnelle <svens@linux.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Steven Rostedt <rostedt@goodmis.org>,
Alexander Gordeev <agordeev@linux.ibm.com>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Kees Cook <keescook@chromium.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ptrace: fix clearing of JOBCTL_TRACED in ptrace_unfreeze_traced()
Date: Wed, 6 Jul 2022 13:04:38 +0200 [thread overview]
Message-ID: <20220706110438.GB9868@redhat.com> (raw)
In-Reply-To: <20220706101625.2100298-1-svens@linux.ibm.com>
On 07/06, Sven Schnelle wrote:
>
> --- a/kernel/ptrace.c
> +++ b/kernel/ptrace.c
> @@ -222,7 +222,7 @@ static void ptrace_unfreeze_traced(struct task_struct *task)
> if (lock_task_sighand(task, &flags)) {
> task->jobctl &= ~JOBCTL_PTRACE_FROZEN;
> if (__fatal_signal_pending(task)) {
> - task->jobctl &= ~TASK_TRACED;
> + task->jobctl &= ~JOBCTL_TRACED;
Heh. I have read this code many times, but I'm afraid I could read it
1000 times more and didn't notice the problem ;)
Thanks!
Oleg.
next prev parent reply other threads:[~2022-07-06 11:04 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-06 10:16 [PATCH] ptrace: fix clearing of JOBCTL_TRACED in ptrace_unfreeze_traced() Sven Schnelle
2022-07-06 10:44 ` Peter Zijlstra
2022-07-06 11:04 ` Oleg Nesterov [this message]
2022-07-06 11:13 ` Peter Zijlstra
2022-07-06 12:48 ` Alexander Gordeev
2022-07-06 21:15 ` Eric W. Biederman
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