[Bug 294039] databases/postgresql14-server: jemalloc crashes triggered by autovacuum
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Date: Mon, 13 Apr 2026 02:57:34 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=294039
--- Comment #15 from commit-hook@FreeBSD.org ---
A commit in branch stable/14 references this bug:
URL:
https://cgit.FreeBSD.org/src/commit/?id=9b7c0f4f81f06424899094d4381dede79669b623
commit 9b7c0f4f81f06424899094d4381dede79669b623
Author: Mark Johnston <markj@FreeBSD.org>
AuthorDate: 2026-04-08 04:21:09 +0000
Commit: Mark Johnston <markj@FreeBSD.org>
CommitDate: 2026-04-13 02:53:32 +0000
vm_fault: Reset m_needs_zeroing properly
- When allocating a page, we should only consider the PG_ZERO flag when
handling the top-level page.
- Unconditionally reset the flag when restarting the fault handler.
Previously, vm_fault_busy_sleep() would fail to reset it.
PR: 294039
Reviewed by: kib
Tested by: Peter Much <pmc@citylink.dinoex.sub.org>
MFC after: 3 days
Fixes: cff67bc43df1 ("vm_fault: only rely on PG_ZERO when the page
was newly allocated")
Differential Revision: https://reviews.freebsd.org/D56234
(cherry picked from commit 04132e01004316ddd0e0cde6ef15b100b7b1844d)
sys/vm/vm_fault.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
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