On Mon, 2019-03-11 at 06:26 -0700, syzbot wrote: +AD4 syzbot has bisected this bug to: +AD4 +AD4 commit 669de8bda87b92ab9a2fc663b3f5743c2ad1ae9f +AD4 Author: Bart Van Assche +ADw-bvanassche+AEA-acm.org+AD4 +AD4 Date: Thu Feb 14 23:00:54 2019 +-0000 +AD4 +AD4 kernel/workqueue: Use dynamic lockdep keys for workqueues +AD4 +AD4 bisection log: https://syzkaller.appspot.com/x/bisect.txt?x+AD0-17dec757200000 +AD4 start commit: 669de8bd kernel/workqueue: Use dynamic lockdep keys for wo.. +AD4 git tree: upstream +AD4 final crash: https://syzkaller.appspot.com/x/report.txt?x+AD0-143ec757200000 +AD4 console output: https://syzkaller.appspot.com/x/log.txt?x+AD0-103ec757200000 +AD4 kernel config: https://syzkaller.appspot.com/x/.config?x+AD0-bd349f14600e1305 +AD4 dashboard link: https://syzkaller.appspot.com/bug?extid+AD0-78923eea7cf44364f4fb +AD4 userspace arch: amd64 +AD4 syz repro: https://syzkaller.appspot.com/x/repro.syz?x+AD0-149c858d200000 +AD4 C reproducer: https://syzkaller.appspot.com/x/repro.c?x+AD0-111aee33200000 +AD4 +AD4 Reported-by: syzbot+-78923eea7cf44364f4fb+AEA-syzkaller.appspotmail.com +AD4 Fixes: 669de8bd (+ACI-kernel/workqueue: Use dynamic lockdep keys for +AD4 workqueues+ACI) I think this issue has been fixed by a commit that went upstream yesterday. Hence: +ACM-syz fix: workqueue, lockdep: Fix an alloc+AF8-workqueue() error path
