[Bug 291294] panic during shutdown in callout_process
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Date: Tue, 09 Jun 2026 11:41:02 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=291294
Bjoern A. Zeeb <bz@FreeBSD.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |bz@FreeBSD.org,
| |rlibby@freebsd.org
--- Comment #1 from Bjoern A. Zeeb <bz@FreeBSD.org> ---
Ryan had replied to my mailing list post given I had forgotten about this PR:
https://lists.freebsd.org/archives/freebsd-current/2026-June/010317.html
It is indeed the LIST_FOREACH_SAFE:
(gdb) l *callout_process+0x138
0xffffffff80c0f478 is in callout_process (/sys/kern/kern_timeout.c:476).
471 }
472
473 /* Iterate callwheel from firstb to nowb and then up to lastb.
*/
474 do {
475 sc = &cc->cc_callwheel[firstb & callwheelmask];
476 LIST_FOREACH_SAFE(c, sc, c_links.le, next) {
477 /* Run the callout if present time within
allowed. */
478 if (c->c_time <= now) {
479 /*
480 * Consumer told us the callout may be
run
I'll go and see if we may have found the next LinuxKPI bug. *sigh*
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