The branch main has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=b6823a973737f06ea6cf0ea5a3083383af2ba5a4
commit b6823a973737f06ea6cf0ea5a3083383af2ba5a4 Author: Mark Johnston <[email protected]> AuthorDate: 2026-07-29 13:19:08 +0000 Commit: Mark Johnston <[email protected]> CommitDate: 2026-07-29 13:19:08 +0000 ipsec: Fix a lock leak in ipsec_chkreplay() Reported by: Chris Jarrett-Davies of the OpenAI Codex Security Team Reviewed by: pouria, kp Fixes: 0361f165f219 ("ipsec: replace SECASVAR mtx by rmlock") MFC after: 1 week Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D58521 --- sys/netipsec/ipsec.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/sys/netipsec/ipsec.c b/sys/netipsec/ipsec.c index 92d0201b398a..12d1b7945e64 100644 --- a/sys/netipsec/ipsec.c +++ b/sys/netipsec/ipsec.c @@ -1353,8 +1353,10 @@ ipsec_chkreplay(uint32_t seq, uint32_t *seqhigh, struct secasvar *sav) * subspace. */ if (tl < window - 1 && seq >= bl) { - if (th == 0) + if (th == 0) { + SECREPLAY_UNLOCK(replay); return (0); + } *seqhigh = th - 1; seqh = th - 1; if (check_window(replay, seq)) {
