PR/60289 CVS commit: src/sys/external/bsd/ipf/netinet

["Manuel Bouyer" <bouyer%netbsd.org@localhost>]

The following reply was made to PR toolchain/60289; it has been noted by GNATS.

From: "Manuel Bouyer" <bouyer%netbsd.org@localhost>
To: gnats-bugs%gnats.NetBSD.org@localhost
Cc: 
Subject: PR/60289 CVS commit: src/sys/external/bsd/ipf/netinet
Date: Sun, 24 May 2026 17:43:18 +0000

 Module Name:	src
 Committed By:	bouyer
 Date:		Sun May 24 17:43:18 UTC 2026
 
 Modified Files:
 	src/sys/external/bsd/ipf/netinet: ip_fil_netbsd.c
 
 Log Message:
 Explicitely check a pointer against NULL before computing a member address,
 to avoid undefined behavior. Avoids the same NULL pointer check being
 "optimised" later, leading to NULL pointer dereference.
 It is expected that -fno-delete-null-pointer-checks would avoid this but
 it does not.
 For details see
 https://mail-index.netbsd.org/tech-toolchain/2026/05/23/msg004818.html
 and PR toolchain/60289
 Needs pullup to netbsd-11.
 
 
 To generate a diff of this commit:
 cvs rdiff -u -r1.39 -r1.40 src/sys/external/bsd/ipf/netinet/ip_fil_netbsd.c
 
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.