------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(1) WARNING: CPU: 1 PID: 9451 at kernel/locking/lockdep.c:167 hlock_class kernel/locking/lockdep.c:167 [inline] WARNING: CPU: 1 PID: 9451 at kernel/locking/lockdep.c:167 hlock_class kernel/locking/lockdep.c:156 [inline] WARNING: CPU: 1 PID: 9451 at kernel/locking/lockdep.c:167 mark_lock+0x22b/0x1220 kernel/locking/lockdep.c:3643 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 9451 Comm: syz-executor.2 Not tainted 5.5.0-rc5-syzkaller #0 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+0x197/0x210 lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:221 __warn.cold+0x2f/0x3e kernel/panic.c:582 report_bug+0x289/0x300 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:174 [inline] fixup_bug arch/x86/kernel/traps.c:169 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:267 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:286 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:hlock_class kernel/locking/lockdep.c:167 [inline] RIP: 0010:hlock_class kernel/locking/lockdep.c:156 [inline] RIP: 0010:mark_lock+0x22b/0x1220 kernel/locking/lockdep.c:3643 Code: d0 7c 08 84 d2 0f 85 a8 0e 00 00 44 8b 1d 0d 72 21 09 45 85 db 75 b6 48 c7 c6 60 95 2b 88 48 c7 c7 a0 95 2b 88 e8 94 3e eb ff <0f> 0b 31 db e9 aa fe ff ff 48 c7 c7 20 a5 66 8b e8 90 4b 58 00 e9 RSP: 0018:ffffc90000da8248 EFLAGS: 00010086 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000100 RSI: ffffffff815e8fb6 RDI: fffff520001b503b RBP: ffffc90000da8298 R08: ffff88806d70e600 R09: fffffbfff1333519 R10: fffffbfff1333518 R11: ffffffff8999a8c3 R12: 0000000000000004 R13: ffff88806d70ef88 R14: 0000000000000001 R15: 0000000000042c60 mark_usage kernel/locking/lockdep.c:3566 [inline] __lock_acquire+0x1e8e/0x4a00 kernel/locking/lockdep.c:3909 lock_acquire+0x190/0x410 kernel/locking/lockdep.c:4485 __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] __netif_tx_lock include/linux/netdevice.h:3937 [inline] sch_direct_xmit+0x2e0/0xd30 net/sched/sch_generic.c:311 __dev_xmit_skb net/core/dev.c:3621 [inline] __dev_queue_xmit+0x2707/0x35c0 net/core/dev.c:3982 dev_queue_xmit+0x18/0x20 net/core/dev.c:4046 neigh_resolve_output net/core/neighbour.c:1487 [inline] neigh_resolve_output+0x5c4/0x990 net/core/neighbour.c:1467 neigh_output include/net/neighbour.h:510 [inline] ip6_finish_output2+0x109a/0x25c0 net/ipv6/ip6_output.c:116 __ip6_finish_output+0x444/0xaa0 net/ipv6/ip6_output.c:142 ip6_finish_output+0x38/0x1f0 net/ipv6/ip6_output.c:152 NF_HOOK_COND include/linux/netfilter.h:296 [inline] ip6_output+0x25e/0x880 net/ipv6/ip6_output.c:175 dst_output include/net/dst.h:436 [inline] NF_HOOK include/linux/netfilter.h:307 [inline] ndisc_send_skb+0xf1f/0x1490 net/ipv6/ndisc.c:505 ndisc_send_rs+0x134/0x720 net/ipv6/ndisc.c:699 addrconf_rs_timer+0x30f/0x6e0 net/ipv6/addrconf.c:3879 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404 expire_timers kernel/time/timer.c:1449 [inline] __run_timers kernel/time/timer.c:1773 [inline] __run_timers kernel/time/timer.c:1740 [inline] run_timer_softirq+0x6c3/0x1790 kernel/time/timer.c:1786 __do_softirq+0x262/0x98c kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x19b/0x1e0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1a3/0x610 arch/x86/kernel/apic/apic.c:1137 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 </IRQ> RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:752 [inline] RIP: 0010:seqcount_lockdep_reader_access include/linux/seqlock.h:83 [inline] RIP: 0010:read_seqcount_begin include/linux/seqlock.h:164 [inline] RIP: 0010:ktime_get_ts64+0x13e/0x3e0 kernel/time/timekeeping.c:890 Code: 34 93 89 48 c1 e8 03 42 80 3c 30 00 0f 85 a7 02 00 00 48 83 3d 1a 27 2d 08 00 0f 84 29 02 00 00 e8 d7 23 0f 00 4c 89 e7 57 9d <0f> 1f 44 00 00 e8 c8 23 0f 00 44 8b 3d e1 33 35 08 31 ff 45 89 fc RSP: 0018:ffffc90001d67e00 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff88806d70e600 RBX: ffffc90001d67ea8 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff81660dc9 RDI: 0000000000000293 RBP: ffffc90001d67e60 R08: ffff88806d70e600 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000293 R13: fffffbfff132669a R14: dffffc0000000000 R15: 0000000000000200 posix_ktime_get_ts+0x16/0x20 kernel/time/posix-timers.c:192 __do_sys_clock_gettime kernel/time/posix-timers.c:1070 [inline] __se_sys_clock_gettime kernel/time/posix-timers.c:1060 [inline] __x64_sys_clock_gettime+0x151/0x240 kernel/time/posix-timers.c:1060 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45dd8a Code: 25 18 00 00 00 00 74 01 f0 48 0f b1 3d bf ab 61 00 48 39 c2 75 da f3 c3 0f 1f 84 00 00 00 00 00 48 63 ff b8 e4 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 f3 c3 0f 1f 40 00 48 c7 c2 d4 ff ff ff f7 RSP: 002b:00007ffe2e96ea08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e4 RAX: ffffffffffffffda RBX: 00000000000a9d84 RCX: 000000000045dd8a RDX: 0000000000000000 RSI: 00007ffe2e96ea10 RDI: 0000000000000001 RBP: 0000000000000718 R08: 0000000000000001 R09: 0000000002891940 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffe2e96ea70 R14: 00000000000a9d58 R15: 00007ffe2e96ea80 Kernel Offset: disabled Rebooting in 86400 seconds..