syzbot


BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! (2)
Status: upstream: reported on 2021/02/27 06:02
Reported-by: syzbot+9bbbacfbf1e04d5221f7@syzkaller.appspotmail.com
First crash: 463d, last: 5h28m
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! C done error 25236 739d 1179d 17/22 fixed on 2020/12/09 20:00

Sample crash report:
BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 1 PID: 3750 Comm: kworker/u4:6 Not tainted 5.18.0-rc2-syzkaller-00050-ga19944809fe9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bond1479 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:3669 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3750 [inline]
 validate_chain kernel/locking/lockdep.c:3771 [inline]
 __lock_acquire.cold+0x342/0x3a7 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 (2514):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2022/04/13 17:31 upstream a19944809fe9 faabdb86 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce 2022/04/11 17:29 upstream ce522ba9ef7e af01ee7d .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-root 2022/02/04 14:15 upstream dcb85f85fa6f a3e470b2 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-root 2022/02/04 14:06 upstream dcb85f85fa6f a3e470b2 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-root 2022/02/04 12:56 upstream dcb85f85fa6f a3e470b2 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-root 2022/02/04 11:46 upstream dcb85f85fa6f a3e470b2 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-root 2022/02/04 10:51 upstream dcb85f85fa6f a3e470b2 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-smack-root 2022/02/04 05:44 upstream 1f2cfdd349b7 30646bfe .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-smack-root 2022/02/04 04:21 upstream 1f2cfdd349b7 30646bfe .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-smack-root 2022/02/04 04:03 upstream 1f2cfdd349b7 30646bfe .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-root 2022/02/04 02:33 upstream 1f2cfdd349b7 30646bfe .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-selinux-root 2022/02/04 00:09 upstream 1f2cfdd349b7 30646bfe .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-root 2022/02/03 22:10 upstream 1f2cfdd349b7 30646bfe .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-root 2022/02/03 21:49 upstream 1f2cfdd349b7 30646bfe .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-root 2022/02/03 17:00 upstream 88808fbbead4 4ebb2798 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-root 2022/02/03 15:57 upstream 88808fbbead4 4ebb2798 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-smack-root 2022/02/03 14:36 upstream 88808fbbead4 4ebb2798 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-root 2022/02/03 13:35 upstream 88808fbbead4 4ebb2798 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-smack-root 2022/02/03 13:02 upstream 88808fbbead4 4ebb2798 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-selinux-root 2022/02/03 12:01 upstream 88808fbbead4 4ebb2798 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-smack-root 2022/02/03 00:36 upstream 27bb0b18c208 4ebb2798 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-selinux-root 2022/02/02 23:05 upstream 27bb0b18c208 4ebb2798 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-smack-root 2022/02/02 22:25 upstream 27bb0b18c208 4ebb2798 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-root 2022/02/02 21:22 upstream 27bb0b18c208 4ebb2798 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-root 2022/02/02 20:13 upstream 27bb0b18c208 4ebb2798 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-selinux-root 2022/02/02 19:40 upstream 27bb0b18c208 4ebb2798 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-selinux-root 2022/02/02 02:51 upstream 9f7fb8de5d9b 4ebb2798 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-root 2022/02/02 01:37 upstream 9f7fb8de5d9b 4ebb2798 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-smack-root 2022/02/02 00:28 upstream 9f7fb8de5d9b 4ebb2798 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-smack-root 2022/02/01 23:54 upstream 9f7fb8de5d9b 4ebb2798 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-root 2022/02/01 22:48 upstream 9f7fb8de5d9b 4ebb2798 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-selinux-root 2022/02/01 21:33 upstream 9f7fb8de5d9b c1c1631d .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-smack-root 2022/02/01 14:18 upstream 26291c54e111 c1c1631d .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-smack-root 2022/02/01 13:14 upstream 26291c54e111 c1c1631d .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-root 2022/02/01 12:11 upstream 26291c54e111 c1c1631d .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-root 2022/02/01 11:27 upstream 26291c54e111 c1c1631d .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-root 2022/02/01 10:15 upstream 26291c54e111 c1c1631d .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce 2022/01/20 19:57 upstream fa2e1ba3e9e3 b838eb76 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-kasan-gce-386 2022/01/31 03:47 upstream 26291c54e111 495e00c5 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-net-this-kasan-gce 2022/05/28 18:26 net 9bae058ab57f a46af346 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-net-this-kasan-gce 2022/03/09 17:36 net c79fcc27be90 9e8eaa75 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-bpf-kasan-gce 2021/02/27 17:56 bpf 557c223b643a 4c37c133 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-bpf-kasan-gce 2021/02/27 06:01 bpf 557c223b643a 4c37c133 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-bpf-kasan-gce 2021/02/19 04:24 bpf 57baf8cc70ea 14052202 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-net-kasan-gce 2022/03/03 02:46 net-next a577223a97df 45a13a73 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-net-kasan-gce 2022/02/28 10:24 net-next b42a738e409b 45a13a73 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-bpf-next-kasan-gce 2021/02/28 09:15 bpf-next 85e142cb42a1 4c37c133 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-linux-next-kasan-gce-root 2022/02/04 01:19 linux-next 2d3d8c7643a5 30646bfe .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-linux-next-kasan-gce-root 2022/02/03 10:35 linux-next 2d3d8c7643a5 4ebb2798 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-linux-next-kasan-gce-root 2022/02/03 09:00 linux-next 2d3d8c7643a5 4ebb2798 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-linux-next-kasan-gce-root 2022/02/03 07:02 linux-next 2d3d8c7643a5 4ebb2798 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-linux-next-kasan-gce-root 2022/02/02 08:21 linux-next 6abab1b81b65 4ebb2798 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-linux-next-kasan-gce-root 2022/02/02 07:05 linux-next 6abab1b81b65 4ebb2798 .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-linux-next-kasan-gce-root 2022/02/01 18:27 linux-next 711428e8f370 c1c1631d .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-linux-next-kasan-gce-root 2022/02/01 17:38 linux-next 711428e8f370 c1c1631d .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
ci-upstream-linux-next-kasan-gce-root 2022/02/01 02:47 linux-next 887a333c44eb 6b7c57fe .config log report info BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!