------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(class_idx > MAX_LOCKDEP_KEYS) WARNING: CPU: 0 PID: 7946 at kernel/locking/lockdep.c:3764 __lock_acquire+0x17b5/0x5490 kernel/locking/lockdep.c:3764 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 7946 Comm: syz-executor.0 Not tainted 5.1.0+ #1 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __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:566 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:972 RIP: 0010:__lock_acquire+0x17b5/0x5490 kernel/locking/lockdep.c:3764 Code: d2 0f 85 c7 2c 00 00 44 8b 3d 5b 0a 07 08 45 85 ff 0f 85 57 f3 ff ff 48 c7 c6 40 4d 6b 87 48 c7 c7 20 24 6b 87 e8 69 fc eb ff <0f> 0b e9 40 f3 ff ff 0f 0b e9 83 f1 ff ff 8b 0d 57 c2 eb 08 85 c9 RSP: 0018:ffff8880ae809a10 EFLAGS: 00010086 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000100 RSI: ffffffff815aec76 RDI: ffffed1015d01334 RBP: ffff8880ae809bc0 R08: ffff8880a44fa040 R09: fffffbfff113302d R10: fffffbfff113302c R11: ffffffff88998163 R12: 000000005dc22b79 R13: 0000000000000001 R14: 00000000000c2b79 R15: 0000000000000000 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:4302 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:151 spin_lock include/linux/spinlock.h:338 [inline] __queue_work+0x99f/0x10e0 kernel/workqueue.c:1440 delayed_work_timer_fn+0x5d/0x90 kernel/workqueue.c:1610 call_timer_fn+0x196/0x720 kernel/time/timer.c:1322 expire_timers kernel/time/timer.c:1362 [inline] __run_timers kernel/time/timer.c:1685 [inline] __run_timers kernel/time/timer.c:1653 [inline] run_timer_softirq+0x462/0x1740 kernel/time/timer.c:1698 __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:1067 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:806 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:767 [inline] RIP: 0010:console_unlock+0xb82/0xed0 kernel/printk/printk.c:2460 Code: 92 88 48 c1 e8 03 42 80 3c 30 00 0f 85 e4 02 00 00 48 83 3d 0f e6 37 07 00 0f 84 91 01 00 00 e8 24 e8 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 6b ff ff ff e8 0f e8 15 00 48 8b 7d 08 c7 05 b1 RSP: 0018:ffff88809af8f1b0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8880a44fa040 RBX: 0000000000000200 RCX: 1ffff1101489f52b RDX: 0000000000000000 RSI: ffffffff815a8bec RDI: 0000000000000293 RBP: ffff88809af8f238 R08: ffff8880a44fa040 R09: ffff8880a44fa958 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffffffff8420b1b0 R14: dffffc0000000000 R15: ffffffff88f8e070 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.cold+0x2d/0xda net/tipc/bearer.c:335 __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:602 genl_rcv_msg+0xca/0x16c net/netlink/genetlink.c:627 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2486 genl_rcv+0x29/0x40 net/netlink/genetlink.c:638 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] netlink_unicast+0x536/0x720 net/netlink/af_netlink.c:1337 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1926 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:661 ___sys_sendmsg+0x806/0x930 net/socket.c:2260 __sys_sendmsg+0x105/0x1d0 net/socket.c:2298 __compat_sys_sendmsg net/compat.c:697 [inline] __do_compat_sys_sendmsg net/compat.c:704 [inline] __se_compat_sys_sendmsg net/compat.c:701 [inline] __ia32_compat_sys_sendmsg+0x7a/0xb0 net/compat.c:701 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x281/0xc98 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7f67849 Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f7f630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000172 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00000000200003c0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..