Obviously the /proc/$tc->pid check can only make sense if LOCAL_ACTIVE().
Signed-off-by: Oleg Nesterov <[email protected]> --- kernel.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/kernel.c b/kernel.c index a6fa7a6..c82b854 100644 --- a/kernel.c +++ b/kernel.c @@ -2901,6 +2901,10 @@ back_trace(struct bt_info *bt) } if (ACTIVE() && !INSTACK(esp, bt)) { + if (!LOCAL_ACTIVE()) { + error(INFO, "task no longer exists\n"); + return; + } sprintf(buf, "/proc/%ld", bt->tc->pid); if (!file_exists(buf, NULL)) error(INFO, "task no longer exists\n"); -- 2.5.0 -- Crash-utility mailing list [email protected] https://www.redhat.com/mailman/listinfo/crash-utility
