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Sat, 20 Apr 2024 21:06:04 -0700 (PDT) Date: Sat, 20 Apr 2024 21:06:04 -0700 In-Reply-To: <000000000000c1fa0506166fdcfe@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000089f36106169370d0@google.com> Subject: Re: [syzbot] [net?] KASAN: slab-use-after-free Read in unix_del_edges From: syzbot To: axboe@kernel.dk, davem@davemloft.net, edumazet@google.com, hdanton@sina.com, kuba@kernel.org, kuni1840@gmail.com, kuniyu@amazon.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 77e5593aebba823bcbcf2c4b58b07efcd63933b8 Author: Kuniyuki Iwashima Date: Mon Mar 25 20:24:20 2024 +0000 af_unix: Skip GC if no cycle exists. bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14bbda4f180000 start commit: 7b4f2bc91c15 Add linux-next specific files for 20240418 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=16bbda4f180000 console output: https://syzkaller.appspot.com/x/log.txt?x=12bbda4f180000 kernel config: https://syzkaller.appspot.com/x/.config?x=ae644165a243bf62 dashboard link: https://syzkaller.appspot.com/bug?extid=f3f3eef1d2100200e593 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=155e53af180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=128b1d53180000 Reported-by: syzbot+f3f3eef1d2100200e593@syzkaller.appspotmail.com Fixes: 77e5593aebba ("af_unix: Skip GC if no cycle exists.") For information about bisection process see: https://goo.gl/tpsmEJ#bisection