syzbot suspects this issue was fixed by commit: commit 6cdedc18ba7b9dacc36466e27e3267d201948c8d Author: Ziqi Zhao <astrajoan@xxxxxxxxx> Date: Fri Jul 21 16:22:26 2023 +0000 can: j1939: prevent deadlock by changing j1939_socks_lock to rwlock bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10c1afc1180000 start commit: 296455ade1fd Merge tag 'char-misc-6.8-rc1' of git://git.ke.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=8e8eb82c088a8ac6 dashboard link: https://syzkaller.appspot.com/bug?extid=f32cbede7fd867ce0d56 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11d7b3afe80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16ba0a4fe80000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: can: j1939: prevent deadlock by changing j1939_socks_lock to rwlock For information about bisection process see: https://goo.gl/tpsmEJ#bisection