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: 197d, last: 18h38m

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 372d 970d 0/1 auto-closed as invalid on 2021/09/16 14:16
linux-4.19 BUG: MAX_LOCKDEP_CHAINS too low! 48286 now 1132d 0/1 upstream: reported on 2019/04/20 01:26
upstream BUG: MAX_LOCKDEP_CHAINS too low! (2) C error 84838 198d 674d 22/22 fixed on 2021/11/10 00:50
upstream BUG: MAX_LOCKDEP_CHAINS too low! C done 17240 678d 1336d 17/22 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 (5411):
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-kasan-gce 2022/05/25 17:59 upstream fdaf9a5840ac 647c0e27 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce 2022/05/23 20:39 upstream 4b0986a3613c 4c7657cb .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce 2022/05/22 01:52 upstream 6c3f5bec9b40 7268fa62 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce 2022/05/19 03:43 upstream ef1302160bfb 50c53f39 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-root 2022/05/18 02:44 upstream 210e04ff7681 744a39e2 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce 2022/05/16 15:25 upstream 42226c989789 744a39e2 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-root 2022/05/15 15:46 upstream bc403203d65a 744a39e2 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-root 2022/05/15 10:51 upstream 2fe1020d73ca 744a39e2 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-root 2022/05/15 06:49 upstream 2fe1020d73ca 744a39e2 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce 2022/05/15 01:00 upstream 2fe1020d73ca 744a39e2 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-root 2022/05/13 13:20 upstream f3f19f939c11 107f6434 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-selinux-root 2022/05/12 11:48 upstream feb9c5e19e91 beb0b407 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce 2022/05/12 06:50 upstream feb9c5e19e91 beb0b407 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce 2022/05/12 04:13 upstream feb9c5e19e91 beb0b407 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-smack-root 2022/05/11 01:32 upstream feb9c5e19e91 8d7b3b67 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-smack-root 2022/05/10 21:42 upstream feb9c5e19e91 8b277b8e .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-root 2022/05/10 18:55 upstream 9be9ed2612b5 8b277b8e .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce 2022/05/10 02:44 upstream 9be9ed2612b5 8b277b8e .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-smack-root 2022/04/30 06:11 upstream 8013d1d3d2e3 ad6b95d8 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-selinux-root 2022/04/29 07:19 upstream 259b897e5a79 e9076525 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-root 2022/04/29 05:08 upstream 259b897e5a79 e9076525 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce 2022/04/27 18:49 upstream 46cf2c613f4b 1fa34c1b .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 2022/05/24 23:26 net 7fb0269720d7 fcfad4ff .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-this-kasan-gce 2022/05/23 05:56 net c12b95885ab2 7268fa62 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-this-kasan-gce 2022/05/21 17:30 net eb4c07889647 7268fa62 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-this-kasan-gce 2022/05/21 02:18 net 9b80ccda233f bd37ad7e .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-this-kasan-gce 2022/05/18 04:24 net edf410cb74dc 744a39e2 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-this-kasan-gce 2022/05/17 20:31 net edf410cb74dc 744a39e2 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-this-kasan-gce 2022/05/16 18:05 net 4d42d54a7d6a 744a39e2 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-this-kasan-gce 2022/05/15 19:17 net 9500acc631db 744a39e2 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-this-kasan-gce 2022/05/13 21:28 net f3f19f939c11 107f6434 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-this-kasan-gce 2022/05/13 02:41 net 810c2f0a3f86 9ad6612a .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-this-kasan-gce 2022/05/12 20:13 net 810c2f0a3f86 9ad6612a .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-this-kasan-gce 2022/05/12 10:29 net a48ab883c4a9 beb0b407 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-this-kasan-gce 2022/04/29 23:45 net 4f159a7c4d1b 44a5ca63 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-kasan-gce 2022/05/26 06:23 net-next 7e062cda7d90 3037caa9 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-kasan-gce 2022/05/14 14:29 net-next d9713088158b 744a39e2 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-kasan-gce 2022/05/12 18:54 net-next b33177f1d62b 9ad6612a .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-kasan-gce 2022/05/11 17:40 net-next 01f4685797a5 beb0b407 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-kasan-gce 2022/05/09 23:56 net-next 6da3c47264b2 8b277b8e .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-kasan-gce 2022/05/09 15:09 net-next 6da3c47264b2 8b277b8e .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-kasan-gce 2022/04/30 01:17 net-next 17d49e6e8012 44a5ca63 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-kasan-gce 2022/04/29 21:27 net-next 17d49e6e8012 44a5ca63 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-kasan-gce 2022/04/29 19:58 net-next 17d49e6e8012 44a5ca63 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-kasan-gce 2022/04/29 10:13 net-next 5da66099d6e2 e9076525 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-kasan-gce 2022/04/28 21:13 net-next f3412b3879b4 e9076525 .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 2022/05/18 00:22 linux-next 3f7bdc402fb0 744a39e2 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-linux-next-kasan-gce-root 2022/05/15 14:40 linux-next 1e1b28b936ae 744a39e2 .config log report info BUG: MAX_LOCKDEP_CHAINS too low!