non-slab/vmalloc memory
list_del corruption. prev->next should be ffff88802bb89d00, but was ffffffff8ee16cc0. (prev=ffffffff8ee16cc0)
------------[ cut here ]------------
kernel BUG at lib/list_de[  158.891676][ T7600] kernel BUG at lib/list_debug.c:64!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 7600 Comm: syz.2.801 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:__list_del_entry_valid_or_report+0x15a/0x190 lib/list_debug.c:62
Code: e8 cb 56 4c fd 43 80 3c 2c 00 74 08 4c 89 ff e8 7c eb 6c fd 49 8b 17 48 c7 c7 40 e5 ab 8b 48 89 de 4c 89 f9 e8 a7 16 64 fc 90 <0f> 0b 4c 89 f7 e8 9c 56 4c fd 43 80 3c 2c 00 74 08 4c 89 ff e8 4d
RSP: 0018:ffffc90005746740 EFLAGS: 00010246
RAX: 000000000000006d RBX: ffff88802bb89d00 RCX: 53fa759c1ca15800
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffff92000ae8d3a R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed10170c48fb R12: 1ffffffff1dc2d98
R13: dffffc0000000000 R14: ffffffff8ee16cc0 R15: ffffffff8ee16cc0
FS:  00007f9252dc66c0(0000) GS:ffff888125c94000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000600 CR3: 0000000033b98000 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+0x62d/0x740 net/core/flow_offload.c:367
 nft_block_offload_cmd net/netfilter/nf_tables_offload.c:397 [inline]
 nft_chain_offload_cmd+0x2d8/0x6e0 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+0x485/0x1ce0 net/netfilter/nf_tables_offload.c:592
 nf_tables_commit+0x80d/0xa850 net/netfilter/nf_tables_api.c:10912
 nfnetlink_rcv_batch net/netfilter/nfnetlink.c:574 [inline]
 nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:647 [inline]
 nfnetlink_rcv+0x1c22/0x27b0 net/netfilter/nfnetlink.c:665
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x780/0x920 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1895
 sock_sendmsg_nosec+0x112/0x150 net/socket.c:797
 __sock_sendmsg net/socket.c:812 [inline]
 ____sys_sendmsg+0x55c/0x870 net/socket.c:2716
 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2770
 __sys_sendmsg net/socket.c:2802 [inline]
 __do_sys_sendmsg net/socket.c:2807 [inline]
 __se_sys_sendmsg net/socket.c:2805 [inline]
 __x64_sys_sendmsg+0x1c3/0x2a0 net/socket.c:2805
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0x560 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f925376ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9252dc6028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f92539e5fa0 RCX: 00007f925376ce59
RDX: 000000000000c050 RSI: 0000200000000cc0 RDI: 0000000000000003
RBP: 00007f9253802d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f92539e6038 R14: 00007f92539e5fa0 R15: 00007fff7c0b74d8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid_or_report+0x15a/0x190 lib/list_debug.c:62
Code: e8 cb 56 4c fd 43 80 3c 2c 00 74 08 4c 89 ff e8 7c eb 6c fd 49 8b 17 48 c7 c7 40 e5 ab 8b 48 89 de 4c 89 f9 e8 a7 16 64 fc 90 <0f> 0b 4c 89 f7 e8 9c 56 4c fd 43 80 3c 2c 00 74 08 4c 89 ff e8 4d
RSP: 0018:ffffc90005746740 EFLAGS: 00010246
RAX: 000000000000006d RBX: ffff88802bb89d00 RCX: 53fa759c1ca15800
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffff92000ae8d3a R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed10170c48fb R12: 1ffffffff1dc2d98
R13: dffffc0000000000 R14: ffffffff8ee16cc0 R15: ffffffff8ee16cc0
FS:  00007f9252dc66c0(0000) GS:ffff888125c94000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000600 CR3: 0000000033b98000 CR4: 00000000003526f0