non-slab/vmalloc memory
list_del corruption. prev->next should be ffff888031161100, but was ffffffff8facfb00. (prev=ffffffff8facfb00)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:64!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 6970 Comm: syz-executor229 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:__list_del_entry_valid_or_report+0x15a/0x190 lib/list_debug.c:62
Code: e8 5b b1 2a fd 43 80 3c 2c 00 74 08 4c 89 ff e8 dc ff 4c fd 49 8b 17 48 c7 c7 40 cb 6d 8c 48 89 de 4c 89 f9 e8 87 a4 3b fc 90 <0f> 0b 4c 89 f7 e8 2c b1 2a fd 43 80 3c 2c 00 74 08 4c 89 ff e8 ad
RSP: 0018:ffffc900057de760 EFLAGS: 00010246
RAX: 000000000000006d RBX: ffff888031161100 RCX: 155b389aae508300
RDX: 0000000000000000 RSI: 8000000000000000 RDI: 0000000000000000
RBP: 1ffff92000afbd42 R08: ffff8880b8724713 R09: 1ffff110170e48e2
R10: dffffc0000000000 R11: ffffed10170e48e3 R12: 1ffffffff1f59f60
R13: dffffc0000000000 R14: ffffffff8facfb00 R15: ffffffff8facfb00
FS:  00005555596d4400(0000) GS:ffff888124dc5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000000c0 CR3: 0000000072dc8000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __list_del_entry_valid include/linux/list.h:140 [inline]
 __list_del_entry include/linux/list.h:261 [inline]
 list_del include/linux/list.h:275 [inline]
 flow_block_cb_setup_simple+0x631/0x750 net/core/flow_offload.c:367
 nft_block_offload_cmd net/netfilter/nf_tables_offload.c:397 [inline]
 nft_chain_offload_cmd+0x2b1/0x650 net/netfilter/nf_tables_offload.c:451
 nft_flow_block_chain net/netfilter/nf_tables_offload.c:471 [inline]
 nft_flow_offload_chain net/netfilter/nf_tables_offload.c:513 [inline]
 nft_flow_rule_offload_abort net/netfilter/nf_tables_offload.c:532 [inline]
 nft_flow_rule_offload_commit+0x17d5/0x1d40 net/netfilter/nf_tables_offload.c:620
 nf_tables_commit+0x1165/0xad60 net/netfilter/nf_tables_api.c:11000
 nfnetlink_rcv_batch net/netfilter/nfnetlink.c:574 [inline]
 nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:647 [inline]
 nfnetlink_rcv+0x1caf/0x28c0 net/netfilter/nfnetlink.c:665
 netlink_unicast_kernel net/netlink/af_netlink.c:1338 [inline]
 netlink_unicast+0x7bd/0x940 net/netlink/af_netlink.c:1364
 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:800
 __sock_sendmsg net/socket.c:815 [inline]
 ____sys_sendmsg+0x54e/0x850 net/socket.c:2713
 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2767
 __sys_sendmsg net/socket.c:2799 [inline]
 __do_sys_sendmsg net/socket.c:2804 [inline]
 __se_sys_sendmsg net/socket.c:2802 [inline]
 __x64_sys_sendmsg+0x1b1/0x290 net/socket.c:2802
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc122071c59
Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 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 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffeaf042b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc122071c59
RDX: 0000000000000000 RSI: 00002000000000c0 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007fc1220dd222
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffeaf042dc
R13: 00007fffeaf04310 R14: 00007fffeaf042f0 R15: 00000000000000e5
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid_or_report+0x15a/0x190 lib/list_debug.c:62
Code: e8 5b b1 2a fd 43 80 3c 2c 00 74 08 4c 89 ff e8 dc ff 4c fd 49 8b 17 48 c7 c7 40 cb 6d 8c 48 89 de 4c 89 f9 e8 87 a4 3b fc 90 <0f> 0b 4c 89 f7 e8 2c b1 2a fd 43 80 3c 2c 00 74 08 4c 89 ff e8 ad
RSP: 0018:ffffc900057de760 EFLAGS: 00010246
RAX: 000000000000006d RBX: ffff888031161100 RCX: 155b389aae508300
RDX: 0000000000000000 RSI: 8000000000000000 RDI: 0000000000000000
RBP: 1ffff92000afbd42 R08: ffff8880b8724713 R09: 1ffff110170e48e2
R10: dffffc0000000000 R11: ffffed10170e48e3 R12: 1ffffffff1f59f60
R13: dffffc0000000000 R14: ffffffff8facfb00 R15: ffffffff8facfb00
FS:  00005555596d4400(0000) GS:ffff888124dc5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc1220dc7bc CR3: 0000000072dc8000 CR4: 00000000003526f0