WARNING: CPU: 0 PID: 23032 at net/netfilter/nfnetlink_cttimeout.c:478 cttimeout_default_get+0x1df/0xb30 net/netfilter/nfnetlink_cttimeout.c:478
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 23032 Comm: syz-executor1 Not tainted 4.20.0-rc2+ #238
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+0x244/0x39d lib/dump_stack.c:113
 panic+0x2ad/0x55c kernel/panic.c:188
 __warn.cold.8+0x20/0x45 kernel/panic.c:540
 report_bug+0x254/0x2d0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271
 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:290
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:969
RIP: 0010:cttimeout_default_get+0x1df/0xb30 net/netfilter/nfnetlink_cttimeout.c:478
Code: 00 0f 87 8d 00 00 00 41 80 ff 06 0f 84 94 07 00 00 41 80 ff 11 0f 84 6c 07 00 00 41 80 ff 01 0f 84 44 07 00 00 e8 91 f1 20 fb <0f> 0b 41 bd a1 ff ff ff eb 06 41 bd a1 ff ff ff e8 7c f1 20 fb 48
RSP: 0018:ffff8881886ff260 EFLAGS: 00010216
RAX: 0000000000040000 RBX: ffffffff88bf58e0 RCX: ffffc90007df1000
RDX: 000000000000049d RSI: ffffffff865e964f RDI: 0000000000000001
RBP: ffff8881886ff370 R08: ffff88818e48e140 R09: ffffed103b5c5b67
R10: 0000000000000002 R11: ffff8881dae2db3b R12: 0000000000000088
R13: ffff8881d8b93080 R14: 0000000000000000 R15: 0000000000000088
 nfnetlink_rcv_msg+0xdd3/0x10c0 net/netfilter/nfnetlink.c:228
kobject: 'loop3' (00000000186ca84b): kobject_uevent_env
 netlink_rcv_skb+0x172/0x440 net/netlink/af_netlink.c:2477
kobject: 'loop3' (00000000186ca84b): fill_kobj_path: path = '/devices/virtual/block/loop3'
 nfnetlink_rcv+0x1c0/0x4d0 net/netfilter/nfnetlink.c:560
 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline]
 netlink_unicast+0x5a5/0x760 net/netlink/af_netlink.c:1336
 netlink_sendmsg+0xa18/0xfc0 net/netlink/af_netlink.c:1917
kobject: 'loop0' (0000000036ea59ff): kobject_uevent_env
 sock_sendmsg_nosec net/socket.c:621 [inline]
 sock_sendmsg+0xd5/0x120 net/socket.c:631
kobject: 'loop0' (0000000036ea59ff): fill_kobj_path: path = '/devices/virtual/block/loop0'
 ___sys_sendmsg+0x7fd/0x930 net/socket.c:2116
kobject: 'loop3' (00000000186ca84b): kobject_uevent_env
kobject: 'loop3' (00000000186ca84b): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop0' (0000000036ea59ff): kobject_uevent_env
kobject: 'loop0' (0000000036ea59ff): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (000000003eef524a): kobject_uevent_env
kobject: 'loop2' (000000003eef524a): fill_kobj_path: path = '/devices/virtual/block/loop2'
 __sys_sendmsg+0x11d/0x280 net/socket.c:2154
kobject: 'loop2' (000000003eef524a): kobject_uevent_env
kobject: 'loop2' (000000003eef524a): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop5' (000000007d5190b3): kobject_uevent_env
 __compat_sys_sendmsg net/compat.c:754 [inline]
 __do_compat_sys_sendmsg net/compat.c:761 [inline]
 __se_compat_sys_sendmsg net/compat.c:758 [inline]
 __ia32_compat_sys_sendmsg+0x7a/0xb0 net/compat.c:758
kobject: 'loop5' (000000007d5190b3): fill_kobj_path: path = '/devices/virtual/block/loop5'
 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline]
 do_fast_syscall_32+0x34d/0xfb2 arch/x86/entry/common.c:397
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7fdaa29
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:00000000f5fd60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000172
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020dddfc8
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..