------------[ cut here ]------------ hook not found, pf 2 num 0 WARNING: CPU: 1 PID: 6827 at net/netfilter/core.c:413 __nf_unregister_net_hook+0x1eb/0x500 net/netfilter/core.c:413 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 6827 Comm: syz-executor622 Not tainted 5.8.0-rc4-syzkaller #0 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+0x18f/0x20d lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:231 __warn.cold+0x20/0x45 kernel/panic.c:600 report_bug+0x1bd/0x210 lib/bug.c:198 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:235 exc_invalid_op+0x13/0x40 arch/x86/kernel/traps.c:255 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:542 RIP: 0010:__nf_unregister_net_hook+0x1eb/0x500 net/netfilter/core.c:413 Code: 0f b6 14 02 48 89 c8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 09 03 00 00 8b 53 1c 89 ee 48 c7 c7 e0 d3 02 89 e8 37 92 d7 fa <0f> 0b e9 b1 00 00 00 e8 c9 51 06 fb 44 8b 3c 24 4c 89 f8 48 c1 e0 RSP: 0018:ffffc900015f73e0 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff88809f965a00 RCX: 0000000000000000 RDX: ffff88808dfa83c0 RSI: ffffffff815d4f87 RDI: fffff520002bee6e RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000061b R11: 0000000000000000 R12: ffffffff8a7a8048 R13: 0000000000000000 R14: ffff8880a8586f00 R15: 0000000000000005 nf_unregister_net_hook+0x59/0xa0 net/netfilter/core.c:431 nft_unregister_basechain_hooks net/netfilter/nf_tables_api.c:206 [inline] nft_table_disable+0xb3/0x2d0 net/netfilter/nf_tables_api.c:835 nf_tables_table_disable net/netfilter/nf_tables_api.c:868 [inline] nf_tables_commit+0x2dcf/0x4155 net/netfilter/nf_tables_api.c:7550 nfnetlink_rcv_batch+0xb2c/0x1de0 net/netfilter/nfnetlink.c:486 nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:544 [inline] nfnetlink_rcv+0x3af/0x420 net/netfilter/nfnetlink.c:562 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:672 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2352 ___sys_sendmsg+0xf3/0x170 net/socket.c:2406 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2439 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:384 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x440709 Code: Bad RIP value. RSP: 002b:00007ffc0b233cb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440709 RDX: 0000000000000000 RSI: 000000002000c2c0 RDI: 0000000000000003 RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000401f10 R13: 0000000000401fa0 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..