syzbot


BUG: MAX_LOCKDEP_CHAINS too low! (3)

Status: upstream: reported C repro on 2021/11/14 03:47
Reported-by: syzbot+8a249628ae32ea7de3a2@syzkaller.appspotmail.com
First crash: 322d, last: 7h18m

Cause bisection: failed (bisect log)
similar bugs (4):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 BUG: MAX_LOCKDEP_CHAINS too low! 401 497d 1095d 0/1 auto-closed as invalid on 2021/09/16 14:16
linux-4.19 BUG: MAX_LOCKDEP_CHAINS too low! 61229 now 1257d 0/1 upstream: reported on 2019/04/20 01:26
upstream BUG: MAX_LOCKDEP_CHAINS too low! (2) C error 84838 322d 799d 22/24 fixed on 2021/11/10 00:50
upstream BUG: MAX_LOCKDEP_CHAINS too low! C done 17240 803d 1461d 17/24 fixed on 2020/07/17 17:58

Sample crash report:
BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 0 PID: 1021 Comm: kworker/u4:4 Not tainted 5.18.0-rc1-syzkaller-00016-g3e732ebf7316 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bond1811 bond_resend_igmp_join_requests_delayed
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 add_chain_cache kernel/locking/lockdep.c:3651 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3750 [inline]
 validate_chain kernel/locking/lockdep.c:3771 [inline]
 __lock_acquire.cold+0x11/0x3a7 kernel/locking/lockdep.c:5029
 lock_acquire kernel/locking/lockdep.c:5641 [inline]
 lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5606
 __mutex_lock_common kernel/locking/mutex.c:600 [inline]
 __mutex_lock+0x12f/0x12f0 kernel/locking/mutex.c:733
 ipv6_mc_rejoin_groups net/ipv6/mcast.c:2819 [inline]
 ipv6_mc_netdev_event+0xd8/0x5b0 net/ipv6/mcast.c:2839
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:84
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:1938
 call_netdevice_notifiers_extack net/core/dev.c:1976 [inline]
 call_netdevice_notifiers+0x79/0xa0 net/core/dev.c:1990
 bond_resend_igmp_join_requests_delayed+0x5d/0x170 drivers/net/bonding/bond_main.c:850
 process_one_work+0x996/0x1610 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436
 kthread+0x2e9/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>

Crashes (6991):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2022/04/07 18:35 upstream 3e732ebf7316 c6ff3e05 .config log report syz C BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce 2021/12/11 22:03 upstream 6f513529296f 49ca1f59 .config log report syz C BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-this-kasan-gce 2022/05/16 10:36 net 9500acc631db 744a39e2 .config log report syz C BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-this-kasan-gce 2021/12/26 08:18 net e6007b85dfa2 6caa12e4 .config log report syz C BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-this-kasan-gce 2021/12/12 03:37 net ee60e626d536 49ca1f59 .config log report syz C BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-kasan-gce 2021/12/12 03:27 net-next 77ab714f0070 49ca1f59 .config log report syz C BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-linux-next-kasan-gce-root 2022/05/14 07:14 linux-next 1e1b28b936ae 107f6434 .config log report syz C BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-linux-next-kasan-gce-root 2021/12/25 22:45 linux-next ea586a076e8a 6caa12e4 .config log report syz C BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/27 22:22 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 87840e00 .config log report syz C BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/09 16:36 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 25050c56fa3c 356d8217 .config log report syz C BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-selinux-root 2022/08/23 20:21 upstream 072e51356cd5 cea8b0f7 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce 2022/08/21 12:52 upstream 15b3f48a4339 26a13b38 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-root 2022/08/06 07:12 upstream 200e340f2196 e853abd9 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-smack-root 2022/05/30 21:58 upstream 2c5ca23f7414 af70c3a9 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-qemu-upstream 2022/04/08 14:40 upstream 1831fed55973 15be3cba .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-root 2021/11/13 20:17 upstream 66f4beaa6c1d 83f5c9b5 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-386 2022/05/22 07:10 upstream 6c3f5bec9b40 7268fa62 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-qemu-upstream-386 2022/03/18 23:04 upstream 34e047aa16c0 e2d91b1d .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-this-kasan-gce 2022/09/06 02:28 net beb432528c79 9dcd38fc .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-kasan-gce 2022/09/15 18:03 net-next 006534ec2804 dd9a85ff .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-kasan-gce 2021/11/10 03:43 net-next cc0356d6a02e 55fa030c .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-linux-next-kasan-gce-root 2022/07/28 14:55 linux-next cb71b93c2dc3 fb95c74d .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/28 12:05 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 e2556bc3 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/28 11:38 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 e2556bc3 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/28 05:14 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 75c78242 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/28 00:48 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 75c78242 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/27 23:43 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 75c78242 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/27 22:40 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 87840e00 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/27 21:55 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 87840e00 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/27 17:34 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 87840e00 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/27 12:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 87840e00 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/27 11:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 87840e00 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/27 10:25 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 10323ddf .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/27 09:57 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 10323ddf .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/27 07:55 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 10323ddf .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/27 00:36 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 10323ddf .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/26 21:39 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 10323ddf .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/26 20:34 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 10323ddf .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/26 20:11 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 10323ddf .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/26 17:57 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 d59ba983 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/26 13:17 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 d59ba983 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/26 12:11 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 d59ba983 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/26 08:30 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 d59ba983 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/26 07:56 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 d59ba983 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/26 06:00 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 0042f2b4 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/26 04:14 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 0042f2b4 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/26 03:06 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 0042f2b4 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/26 02:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 0042f2b4 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/26 01:24 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 0042f2b4 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/26 00:12 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 0042f2b4 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/25 22:52 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 0042f2b4 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/25 21:16 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 0042f2b4 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/25 19:48 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 0042f2b4 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/25 18:39 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 0042f2b4 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/25 16:01 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 0042f2b4 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/25 14:36 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 0042f2b4 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/25 13:33 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 0042f2b4 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/25 12:20 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 0042f2b4 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/25 10:10 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 0042f2b4 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/25 09:04 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 0042f2b4 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/25 07:46 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 0042f2b4 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/25 06:32 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 0042f2b4 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/25 05:40 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 0042f2b4 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-gce-arm64 2022/09/25 04:10 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c194837ebb57 0042f2b4 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
* Struck through repros no longer work on HEAD.