ci2 starts bisection 2023-07-10 07:57:12.842084752 +0000 UTC m=+230026.422635221 bisecting fixing commit since 0ab06468cbd149aac0d7f216ec00452ff8c74e0b building syzkaller on a4ae4f428721da42ac15f07d6f3b54584dedee27 ensuring issue is reproducible on original commit 0ab06468cbd149aac0d7f216ec00452ff8c74e0b testing commit 0ab06468cbd149aac0d7f216ec00452ff8c74e0b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 1b6714e850ff280c3ec949638a26588260c78cba7111b6989b6cd7df353a8c77 all runs: crashed: BUG: MAX_LOCKDEP_KEYS too low! representative crash: BUG: MAX_LOCKDEP_KEYS too low!, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 0ab06468cbd149aac0d7f216ec00452ff8c74e0b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 78732522cb3e84e485fb11651f156fd9fad0a25d1d2f8ecaa7111fb3b4812f2a all runs: crashed: BUG: MAX_LOCKDEP_KEYS too low! representative crash: BUG: MAX_LOCKDEP_KEYS too low!, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing current HEAD d54cfc420586425d418a53871290cc4a59d33501 testing commit d54cfc420586425d418a53871290cc4a59d33501 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: a8b8821eabbbd792d1d42c512b6843934b402308de3088fd2682d3942aae4a46 all runs: crashed: BUG: MAX_LOCKDEP_KEYS too low! representative crash: BUG: MAX_LOCKDEP_KEYS too low!, types: [UNKNOWN] crash still not fixed/happens on the oldest tested release revisions tested: 3, total time: 1h36m0.329055904s (build: 1h0m31.751731092s, test: 16m51.188076736s) crash still not fixed on HEAD or HEAD had kernel test errors commit msg: Linux 5.15.120 crash: BUG: MAX_LOCKDEP_KEYS too low! device team5592 entered promiscuous mode 8021q: adding VLAN 0 to HW filter on device team5592 BUG: MAX_LOCKDEP_KEYS too low! turning off the locking correctness validator. CPU: 1 PID: 15393 Comm: syz-executor.0 Not tainted 5.15.120-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x57/0x7d lib/dump_stack.c:106 register_lock_class.cold+0x11/0x16 kernel/locking/lockdep.c:1282 __lock_acquire+0x75/0x1a90 kernel/locking/lockdep.c:4890 lock_acquire kernel/locking/lockdep.c:5622 [inline] lock_acquire+0xc9/0x2c0 kernel/locking/lockdep.c:5587 __mutex_lock_common kernel/locking/mutex.c:596 [inline] __mutex_lock+0x6f/0x6c0 kernel/locking/mutex.c:729 team_vlan_rx_add_vid+0x2a/0xb0 drivers/net/team/team.c:1900 __vlan_vid_add net/8021q/vlan_core.c:306 [inline] vlan_vid_add+0x154/0x230 net/8021q/vlan_core.c:336 vlan_device_event.cold+0x1e/0x23 net/8021q/vlan.c:386 notifier_call_chain+0x57/0x90 kernel/notifier.c:83 call_netdevice_notifiers_info net/core/dev.c:1998 [inline] call_netdevice_notifiers_info net/core/dev.c:1983 [inline] call_netdevice_notifiers_extack net/core/dev.c:2010 [inline] call_netdevice_notifiers net/core/dev.c:2024 [inline] __dev_notify_flags+0x160/0x170 net/core/dev.c:8825 rtnl_configure_link+0x56/0xa0 net/core/rtnetlink.c:3143 __rtnl_newlink+0x73a/0x9a0 net/core/rtnetlink.c:3476 rtnl_newlink+0x3f/0x60 net/core/rtnetlink.c:3516 rtnetlink_rcv_msg+0x15b/0x540 net/core/rtnetlink.c:5593 netlink_rcv_skb+0x49/0xf0 net/netlink/af_netlink.c:2504 netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline] netlink_unicast+0x1b2/0x270 net/netlink/af_netlink.c:1356 netlink_sendmsg+0x257/0x4b0 net/netlink/af_netlink.c:1923 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg+0x2e/0x40 net/socket.c:724 ____sys_sendmsg+0x234/0x250 net/socket.c:2412 ___sys_sendmsg+0x6e/0xb0 net/socket.c:2466 __sys_sendmsg+0x54/0xa0 net/socket.c:2495 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fd6878fd169 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd686c6f168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fd687a1cf80 RCX: 00007fd6878fd169 RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 00007fd687958ca1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffed8706d7f R14: 00007fd686c6f300 R15: 0000000000022000