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| author | Mateusz Guzik <mjg@FreeBSD.org> | 2022-08-25 17:26:49 +0000 |
|---|---|---|
| committer | Mateusz Guzik <mjg@FreeBSD.org> | 2022-08-25 17:26:49 +0000 |
| commit | 49afea10591249b6cb73ea1c51a28d2334d7dd52 (patch) | |
| tree | 0681a499da98a544510b79dcd2399b4b321d0fae | |
| parent | 5d0aebf4fa6d85a2166dcb682f4a71cdd113c383 (diff) | |
| download | src-49afea10591249b6cb73ea1c51a28d2334d7dd52.tar.gz src-49afea10591249b6cb73ea1c51a28d2334d7dd52.zip | |
proc: read the pid prior to unlocking in report_alive_proc1
In principle another thread could have reaped the process by that time.
| -rw-r--r-- | sys/kern/kern_exit.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/kern/kern_exit.c b/sys/kern/kern_exit.c index cb51193a26e0..4cf31aa73e56 100644 --- a/sys/kern/kern_exit.c +++ b/sys/kern/kern_exit.c @@ -1269,8 +1269,8 @@ report_alive_proc(struct thread *td, struct proc *p, siginfo_t *siginfo, } if (status != NULL) *status = cont ? SIGCONT : W_STOPCODE(p->p_xsig); - PROC_UNLOCK(p); td->td_retval[0] = p->p_pid; + PROC_UNLOCK(p); } int |