non-slab/vmalloc memory
list_del corruption. prev->next should be ffff88802ba92900, but was ffff888031ab6d00. (prev=ffffffff8f8a6100)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:64!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 6174 Comm: syz-executor891 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 4b 25 34 fd 43 80 3c 2c 00 74 08 4c 89 ff e8 7c 14 56 fd 49 8b 17 48 c7 c7 40 c4 4b 8c 48 89 de 4c 89 f9 e8 c7 30 49 fc 90 <0f> 0b 4c 89 f7 e8 1c 25 34 fd 43 80 3c 2c 00 74 08 4c 89 ff e8 4d
RSP: 0018:ffffc9000476e740 EFLAGS: 00010246
RAX: 000000000000006d RBX: ffff88802ba92900 RCX: aebc61966893cd00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 1ffff920008edd3e R08: ffffc9000476e4c7 R09: 1ffff920008edc98
R10: dffffc0000000000 R11: fffff520008edc99 R12: 1ffffffff1f14c20
R13: dffffc0000000000 R14: ffffffff8f8a6100 R15: ffffffff8f8a6100
FS:  00007fcadf8666c0(0000) GS:ffff888125049000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe0445fe3c CR3: 000000007403a000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __list_del_entry_valid include/linux/list.h:132 [inline]
 __list_del_entry include/linux/list.h:246 [inline]
 list_del include/linux/list.h:260 [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_commit+0x485/0x1d40 net/netfilter/nf_tables_offload.c:592
 nf_tables_commit+0x868/0xad90 net/netfilter/nf_tables_api.c:10934
 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:1319 [inline]
 netlink_unicast+0x7bb/0x940 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1900
 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:775
 __sock_sendmsg net/socket.c:790 [inline]
 ____sys_sendmsg+0x54e/0x850 net/socket.c:2684
 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2738
 __sys_sendmsg net/socket.c:2770 [inline]
 __do_sys_sendmsg net/socket.c:2775 [inline]
 __se_sys_sendmsg net/socket.c:2773 [inline]
 __x64_sys_sendmsg+0x1b1/0x290 net/socket.c:2773
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcadf892479
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 d0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcadf8661d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fcadf943b48 RCX: 00007fcadf892479
RDX: 000000000000c050 RSI: 0000200000000cc0 RDI: 0000000000000003
RBP: 00007fcadf943b40 R08: 37203a6b63617473 R09: 37203a6b63617473
R10: 37203a6b63617473 R11: 0000000000000246 R12: 0000200000000600
R13: 000020000000c280 R14: 000020000000c2d0 R15: 000020000000c2c0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid_or_report+0x15a/0x190 lib/list_debug.c:62
Code: e8 4b 25 34 fd 43 80 3c 2c 00 74 08 4c 89 ff e8 7c 14 56 fd 49 8b 17 48 c7 c7 40 c4 4b 8c 48 89 de 4c 89 f9 e8 c7 30 49 fc 90 <0f> 0b 4c 89 f7 e8 1c 25 34 fd 43 80 3c 2c 00 74 08 4c 89 ff e8 4d
RSP: 0018:ffffc9000476e740 EFLAGS: 00010246
RAX: 000000000000006d RBX: ffff88802ba92900 RCX: aebc61966893cd00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 1ffff920008edd3e R08: ffffc9000476e4c7 R09: 1ffff920008edc98
R10: dffffc0000000000 R11: fffff520008edc99 R12: 1ffffffff1f14c20
R13: dffffc0000000000 R14: ffffffff8f8a6100 R15: ffffffff8f8a6100
FS:  00007fcadf8666c0(0000) GS:ffff888124f49000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcadf865ff8 CR3: 000000007403a000 CR4: 00000000003526f0