non-slab/vmalloc memory list_del corruption. prev->next should be ffff888035dbbb00, but was ffff888035fca300. (prev=ffffffff8f669700) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:64! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 6304 Comm: syz.1.168 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:__list_del_entry_valid_or_report+0x15a/0x190 lib/list_debug.c:62 Code: e8 7b 92 4e fd 43 80 3c 2c 00 74 08 4c 89 ff e8 ac 7f 70 fd 49 8b 17 48 c7 c7 40 a4 2a 8c 48 89 de 4c 89 f9 e8 d7 2b 64 fc 90 <0f> 0b 4c 89 f7 e8 4c 92 4e fd 43 80 3c 2c 00 74 08 4c 89 ff e8 7d RSP: 0018:ffffc90004db6740 EFLAGS: 00010246 RAX: 000000000000006d RBX: ffff888035dbbb00 RCX: 84a89b90a0c7b900 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffff920009b6d3e R08: ffffc90004db64c7 R09: 1ffff920009b6c98 R10: dffffc0000000000 R11: fffff520009b6c99 R12: 1ffffffff1ecd2e0 R13: dffffc0000000000 R14: ffffffff8f669700 R15: ffffffff8f669700 FS: 00007ffbbd39c6c0(0000) GS:ffff888125326000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffbbc5ea540 CR3: 000000001ff64000 CR4: 00000000003526f0 Call Trace: __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+0x485/0x1d00 net/netfilter/nf_tables_offload.c:592 nf_tables_commit+0x868/0xad90 net/netfilter/nf_tables_api.c:10926 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: 0033:0x7ffbbc59ce59 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:00007ffbbd39c028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007ffbbc815fa0 RCX: 00007ffbbc59ce59 RDX: 000000000000c050 RSI: 0000200000000cc0 RDI: 0000000000000003 RBP: 00007ffbbc632e6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffbbc816038 R14: 00007ffbbc815fa0 R15: 00007ffc95fdb988 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid_or_report+0x15a/0x190 lib/list_debug.c:62 Code: e8 7b 92 4e fd 43 80 3c 2c 00 74 08 4c 89 ff e8 ac 7f 70 fd 49 8b 17 48 c7 c7 40 a4 2a 8c 48 89 de 4c 89 f9 e8 d7 2b 64 fc 90 <0f> 0b 4c 89 f7 e8 4c 92 4e fd 43 80 3c 2c 00 74 08 4c 89 ff e8 7d RSP: 0018:ffffc90004db6740 EFLAGS: 00010246 RAX: 000000000000006d RBX: ffff888035dbbb00 RCX: 84a89b90a0c7b900 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffff920009b6d3e R08: ffffc90004db64c7 R09: 1ffff920009b6c98 R10: dffffc0000000000 R11: fffff520009b6c99 R12: 1ffffffff1ecd2e0 R13: dffffc0000000000 R14: ffffffff8f669700 R15: ffffffff8f669700 FS: 00007ffbbd39c6c0(0000) GS:ffff888125226000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f574b8cd12d CR3: 000000001ff64000 CR4: 00000000003526f0