------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(class_idx > MAX_LOCKDEP_KEYS) WARNING: CPU: 1 PID: 7806 at kernel/locking/lockdep.c:3673 __lock_acquire+0x1887/0x3fb0 kernel/locking/lockdep.c:3673 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 7806 Comm: syz-executor831 Not tainted 5.1.0-rc2+ #37 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: <IRQ> __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 panic+0x2cb/0x65c kernel/panic.c:214 __warn.cold+0x20/0x45 kernel/panic.c:571 report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:179 [inline] fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973 RIP: 0010:__lock_acquire+0x1887/0x3fb0 kernel/locking/lockdep.c:3673 Code: d2 0f 85 7b 1f 00 00 44 8b 3d 79 1e 07 08 45 85 ff 0f 85 20 f3 ff ff 48 c7 c6 00 5b 6b 87 48 c7 c7 40 31 6b 87 e8 47 e2 eb ff <0f> 0b e9 09 f3 ff ff 0f 0b e9 41 f1 ff ff 8b 1d d5 4b 05 09 85 db RSP: 0018:ffff8880ae907a90 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000100 RSI: ffffffff815ae3f6 RDI: ffffed1015d20f44 RBP: ffff8880ae907bc8 R08: ffff8880a46280c0 R09: fffffbfff11335fd R10: fffffbfff11335fc R11: ffffffff8899afe3 R12: 00000000339131de R13: 0000000000000031 R14: 00000000000c31de R15: 0000000000000000 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:4211 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] __queue_work+0x9ce/0x1180 kernel/workqueue.c:1446 delayed_work_timer_fn+0x5d/0x90 kernel/workqueue.c:1616 call_timer_fn+0x190/0x720 kernel/time/timer.c:1325 expire_timers kernel/time/timer.c:1358 [inline] __run_timers kernel/time/timer.c:1681 [inline] __run_timers kernel/time/timer.c:1649 [inline] run_timer_softirq+0x44c/0x1700 kernel/time/timer.c:1694 __do_softirq+0x266/0x95a kernel/softirq.c:293 invoke_softirq kernel/softirq.c:374 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:414 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x14a/0x570 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 </IRQ> RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:767 [inline] RIP: 0010:console_unlock+0xb5c/0xeb0 kernel/printk/printk.c:2460 Code: 92 88 48 c1 e8 03 42 80 3c 30 00 0f 85 c9 02 00 00 48 83 3d 95 13 38 07 00 0f 84 98 01 00 00 e8 1a ee 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 6b ff ff ff e8 05 ee 15 00 48 8b 7d 08 c7 05 97 RSP: 0018:ffff888096b0f1c0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8880a46280c0 RBX: 0000000000000200 RCX: 1ffff110148c513b RDX: 0000000000000000 RSI: ffffffff815a8366 RDI: 0000000000000293 RBP: ffff888096b0f248 R08: ffff8880a46280c0 R09: ffff8880a46289d8 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffffffff8420a2d0 R14: dffffc0000000000 R15: ffffffff88f90550 vprintk_emit+0x280/0x6d0 kernel/printk/printk.c:1975 vprintk_default+0x28/0x30 kernel/printk/printk.c:2002 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 printk+0xba/0xed kernel/printk/printk.c:2035 tipc_enable_bearer+0x395/0xd20 net/tipc/bearer.c:339 __tipc_nl_bearer_enable+0x2d1/0x3b0 net/tipc/bearer.c:899 tipc_nl_bearer_enable+0x23/0x40 net/tipc/bearer.c:907 genl_family_rcv_msg+0x6e1/0xd90 net/netlink/genetlink.c:601 genl_rcv_msg+0xca/0x16c net/netlink/genetlink.c:626 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2485 genl_rcv+0x29/0x40 net/netlink/genetlink.c:637 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x536/0x720 net/netlink/af_netlink.c:1336 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1925 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:632 ___sys_sendmsg+0x806/0x930 net/socket.c:2137 __sys_sendmsg+0x105/0x1d0 net/socket.c:2175 __do_sys_sendmsg net/socket.c:2184 [inline] __se_sys_sendmsg net/socket.c:2182 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2182 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x44d9f9 Code: e8 7c e6 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0f 83 3b c9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fd1f934ace8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00000000006e6a08 RCX: 000000000044d9f9 RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 00000000006e6a00 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000246 R12: 00000000006e6a0c R13: 00007ffc70d2846f R14: 00007fd1f934b9c0 R15: 20c49ba5e353f7cf Kernel Offset: disabled Rebooting in 86400 seconds..