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Message-ID: <000000000000cb9c3d060a28dad8@google.com> Date: Tue, 14 Nov 2023 19:54:05 -0800 From: syzbot <syzbot+1591462f226d9cbf0564@...kaller.appspotmail.com> To: arnd@...db.de, astrajoan@...oo.com, bridge@...ts.linux-foundation.org, davem@...emloft.net, dvyukov@...gle.com, edumazet@...gle.com, hdanton@...a.com, ivan.orlov0322@...il.com, kernel@...gutronix.de, kuba@...nel.org, linux-can@...r.kernel.org, linux-kernel@...r.kernel.org, linux@...pel-privat.de, mkl@...gutronix.de, mudongliangabcd@...il.com, netdev@...r.kernel.org, nikolay@...dia.com, o.rempel@...gutronix.de, pabeni@...hat.com, robin@...tonic.nl, roopa@...dia.com, skhan@...uxfoundation.org, socketcan@...tkopp.net, stephen@...workplumber.org, syzkaller-bugs@...glegroups.com, syzkaller@...glegroups.com Subject: Re: [syzbot] [can?] possible deadlock in j1939_sk_errqueue (2) syzbot has bisected this issue to: commit 2030043e616cab40f510299f09b636285e0a3678 Author: Oleksij Rempel <o.rempel@...gutronix.de> Date: Fri May 21 11:57:20 2021 +0000 can: j1939: fix Use-after-Free, hold skb ref while in use bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1438c947680000 start commit: 1b907d050735 Merge tag '6.7-rc-smb3-client-fixes-part2' of.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=1638c947680000 console output: https://syzkaller.appspot.com/x/log.txt?x=1238c947680000 kernel config: https://syzkaller.appspot.com/x/.config?x=88e7ba51eecd9cd6 dashboard link: https://syzkaller.appspot.com/bug?extid=1591462f226d9cbf0564 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17fea8fb680000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1633dc70e80000 Reported-by: syzbot+1591462f226d9cbf0564@...kaller.appspotmail.com Fixes: 2030043e616c ("can: j1939: fix Use-after-Free, hold skb ref while in use") For information about bisection process see: https://goo.gl/tpsmEJ#bisection
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