------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(class_idx > MAX_LOCKDEP_KEYS)
WARNING: CPU: 1 PID: 22557 at kernel/locking/lockdep.c:3765 __lock_acquire+0x17b5/0x5490 kernel/locking/lockdep.c:3765
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 22557 Comm: syz-executor.1 Not tainted 5.2.0-rc2+ #15
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/0x744 kernel/panic.c:219
 __warn.cold+0x20/0x4d kernel/panic.c:576
 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:986
RIP: 0010:__lock_acquire+0x17b5/0x5490 kernel/locking/lockdep.c:3765
Code: d2 0f 85 c7 2c 00 00 44 8b 3d 27 c6 29 08 45 85 ff 0f 85 57 f3 ff ff 48 c7 c6 20 c4 6b 87 48 c7 c7 00 9b 6b 87 e8 09 d5 eb ff <0f> 0b e9 40 f3 ff ff 0f 0b e9 83 f1 ff ff 8b 0d 47 a8 0e 09 85 c9
RSP: 0018:ffff8880669de780 EFLAGS: 00010086
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff815ac7e6 RDI: ffffed100cd3bce2
RBP: ffff8880669de930 R08: ffff888066e2e640 R09: fffffbfff1173159
R10: fffffbfff1173158 R11: ffffffff88b98ac3 R12: 00000000bc4e4766
R13: 0000000000000087 R14: 0000000000048766 R15: 0000000000000000
 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:4303
 __raw_spin_trylock include/linux/spinlock_api_smp.h:90 [inline]
 _raw_spin_trylock+0x62/0x80 kernel/locking/spinlock.c:135
 spin_trylock include/linux/spinlock.h:348 [inline]
 icmp_xmit_lock net/ipv4/icmp.c:219 [inline]
 __icmp_send+0x4fc/0x13e0 net/ipv4/icmp.c:666
 ipv4_send_dest_unreach net/ipv4/route.c:1223 [inline]
 ipv4_link_failure+0x54e/0x920 net/ipv4/route.c:1230
 dst_link_failure include/net/dst.h:416 [inline]
 vti_xmit net/ipv4/ip_vti.c:248 [inline]
 vti_tunnel_xmit+0x7d9/0x17a0 net/ipv4/ip_vti.c:284
 __netdev_start_xmit include/linux/netdevice.h:4410 [inline]
 netdev_start_xmit include/linux/netdevice.h:4424 [inline]
 xmit_one net/core/dev.c:3292 [inline]
 dev_hard_start_xmit+0x18a/0x950 net/core/dev.c:3308
 __dev_queue_xmit+0x2a8e/0x36b0 net/core/dev.c:3881
 dev_queue_xmit+0x18/0x20 net/core/dev.c:3914
 neigh_direct_output+0x16/0x20 net/core/neighbour.c:1532
 neigh_output include/net/neighbour.h:511 [inline]
 ip_finish_output2+0x8e7/0x24c0 net/ipv4/ip_output.c:228
 __ip_finish_output net/ipv4/ip_output.c:308 [inline]
 __ip_finish_output+0x5fc/0xbc0 net/ipv4/ip_output.c:290
 ip_finish_output+0x38/0x1f0 net/ipv4/ip_output.c:318
 NF_HOOK_COND include/linux/netfilter.h:294 [inline]
 ip_output+0x21f/0x670 net/ipv4/ip_output.c:415
 dst_output include/net/dst.h:433 [inline]
 ip_local_out+0xbb/0x1b0 net/ipv4/ip_output.c:125
 ip_send_skb+0x42/0xf0 net/ipv4/ip_output.c:1537
 udp_send_skb.isra.0+0x6b2/0x1180 net/ipv4/udp.c:901
 udp_sendmsg+0x1dfa/0x2820 net/ipv4/udp.c:1188
 udpv6_sendmsg+0x13a4/0x28d0 net/ipv6/udp.c:1290
 inet_sendmsg+0x141/0x5d0 net/ipv4/af_inet.c:802
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg+0xd7/0x130 net/socket.c:671
 ___sys_sendmsg+0x3e2/0x920 net/socket.c:2292
 __sys_sendmmsg+0x1bf/0x4d0 net/socket.c:2387
 __do_sys_sendmmsg net/socket.c:2416 [inline]
 __se_sys_sendmmsg net/socket.c:2413 [inline]
 __x64_sys_sendmmsg+0x9d/0x100 net/socket.c:2413
 do_syscall_64+0xfd/0x680 arch/x86/entry/common.c:301
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459279
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f0aea8aac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000459279
RDX: 040000000000019c RSI: 00000000200092c0 RDI: 0000000000000004
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0aea8ab6d4
R13: 00000000004c65fc R14: 00000000004db2c0 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..