non-slab/vmalloc memory list_del corruption. prev->next should be ffff88802bb9cb00, but was ffffffff8f651f80. (prev=ffffffff8f651f80) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:64! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 6151 Comm: syz.3.90 Not tainted syzkaller #0 PREEMPT(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 6b c5 52 fd 43 80 3c 2c 00 74 08 4c 89 ff e8 fc 66 74 fd 49 8b 17 48 c7 c7 a0 bb 28 8c 48 89 de 4c 89 f9 e8 47 75 6a fc 90 <0f> 0b 4c 89 f7 e8 3c c5 52 fd 43 80 3c 2c 00 74 08 4c 89 ff e8 cd RSP: 0018:ffffc90002516760 EFLAGS: 00010246 RAX: 000000000000006d RBX: ffff88802bb9cb00 RCX: e3efafff6abe3f00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffff920004a2d3e R08: ffffc900025164e7 R09: 1ffff920004a2c9c R10: dffffc0000000000 R11: fffff520004a2c9d R12: 1ffffffff1eca3f0 R13: dffffc0000000000 R14: ffffffff8f651f80 R15: ffffffff8f651f80 FS: 00007f2c2a2486c0(0000) GS:ffff888125386000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9b931ea2f8 CR3: 000000007bcfa000 CR4: 00000000003526f0 Call Trace: __list_del_entry_valid include/linux/list.h:132 [inline] __list_del_entry include/linux/list.h:223 [inline] list_del include/linux/list.h:237 [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/0xa7c0 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+0x1c19/0x27b0 net/netfilter/nfnetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x75c/0x8e0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec net/socket.c:787 [inline] __sock_sendmsg net/socket.c:802 [inline] ____sys_sendmsg+0x972/0x9f0 net/socket.c:2698 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2752 __sys_sendmsg net/socket.c:2784 [inline] __do_sys_sendmsg net/socket.c:2789 [inline] __se_sys_sendmsg net/socket.c:2787 [inline] __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2787 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2c2939ce59 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:00007f2c2a248028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f2c29615fa0 RCX: 00007f2c2939ce59 RDX: 000000000000c050 RSI: 0000200000000cc0 RDI: 0000000000000003 RBP: 00007f2c29432d6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f2c29616038 R14: 00007f2c29615fa0 R15: 00007ffcc45d35f8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid_or_report+0x15a/0x190 lib/list_debug.c:62 Code: e8 6b c5 52 fd 43 80 3c 2c 00 74 08 4c 89 ff e8 fc 66 74 fd 49 8b 17 48 c7 c7 a0 bb 28 8c 48 89 de 4c 89 f9 e8 47 75 6a fc 90 <0f> 0b 4c 89 f7 e8 3c c5 52 fd 43 80 3c 2c 00 74 08 4c 89 ff e8 cd RSP: 0018:ffffc90002516760 EFLAGS: 00010246 RAX: 000000000000006d RBX: ffff88802bb9cb00 RCX: e3efafff6abe3f00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffff920004a2d3e R08: ffffc900025164e7 R09: 1ffff920004a2c9c R10: dffffc0000000000 R11: fffff520004a2c9d R12: 1ffffffff1eca3f0 R13: dffffc0000000000 R14: ffffffff8f651f80 R15: ffffffff8f651f80 FS: 00007f2c2a2486c0(0000) GS:ffff888125286000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000600 CR3: 000000007bcfa000 CR4: 00000000003526f0