git: 7d763eadd36e - stable/14 - cam: Check if cam_simq_alloc fails for the xpt bus during module init
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Date: Mon, 08 Apr 2024 19:04:29 UTC
The branch stable/14 has been updated by jhb: URL: https://cgit.FreeBSD.org/src/commit/?id=7d763eadd36e9b9419379756add71f5383f40af0 commit 7d763eadd36e9b9419379756add71f5383f40af0 Author: John Baldwin <jhb@FreeBSD.org> AuthorDate: 2024-02-09 19:53:43 +0000 Commit: John Baldwin <jhb@FreeBSD.org> CommitDate: 2024-04-08 17:53:43 +0000 cam: Check if cam_simq_alloc fails for the xpt bus during module init This is very unlikely to fail (and if it does, CAM isn't going to work regardless), but fail with an error rather than a gauranteed panic via NULL pointer dereference. PR: 276770 Reported by: Qiushi <w290680224@gmail.com> (cherry picked from commit eb86c6c5b462c996e44c45ba496937b75ef22da3) --- sys/cam/cam_xpt.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sys/cam/cam_xpt.c b/sys/cam/cam_xpt.c index 6eac81c18160..3aa2f8a091a6 100644 --- a/sys/cam/cam_xpt.c +++ b/sys/cam/cam_xpt.c @@ -911,6 +911,8 @@ xpt_init(void *dummy) * perform other XPT functions. */ devq = cam_simq_alloc(16); + if (devq == NULL) + return (ENOMEM); xpt_sim = cam_sim_alloc(xptaction, xptpoll, "xpt",