netlink: 20 bytes leftover after parsing attributes in process `syz-executor287'. list_del corruption, ffff8880a73c2c00->prev is LIST_POISON2 (dead000000000122) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:48! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 9641 Comm: syz-executor287 Not tainted 5.5.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__list_del_entry_valid.cold+0x37/0x4f lib/list_debug.c:48 Code: be fd 0f 0b 4c 89 ea 4c 89 f6 48 c7 c7 e0 6a 71 88 e8 b0 e0 be fd 0f 0b 4c 89 e2 4c 89 f6 48 c7 c7 40 6b 71 88 e8 9c e0 be fd <0f> 0b 4c 89 f6 48 c7 c7 00 6c 71 88 e8 8b e0 be fd 0f 0b cc cc cc RSP: 0018:ffffc900064d7478 EFLAGS: 00010282 RAX: 000000000000004e RBX: ffff8880a73c2c00 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff815e5dd6 RDI: fffff52000c9ae81 RBP: ffffc900064d7490 R08: 000000000000004e R09: ffffed1015d06621 R10: ffffed1015d06620 R11: ffff8880ae833107 R12: dead000000000122 R13: ffff8880a01df370 R14: ffff8880a73c2c00 R15: ffff88809d86cc00 FS: 00007f29db716700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000280 CR3: 000000009ad9c000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry include/linux/list.h:131 [inline] list_del_rcu include/linux/rculist.h:148 [inline] __nf_tables_abort+0x1e53/0x2a50 net/netfilter/nf_tables_api.c:7258 nf_tables_abort+0x17/0x30 net/netfilter/nf_tables_api.c:7373 nfnetlink_rcv_batch+0xa5d/0x17a0 net/netfilter/nfnetlink.c:494 nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:543 [inline] nfnetlink_rcv+0x3e7/0x460 net/netfilter/nfnetlink.c:561 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x59e/0x7e0 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x91c/0xea0 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:672 ____sys_sendmsg+0x753/0x880 net/socket.c:2343 ___sys_sendmsg+0x100/0x170 net/socket.c:2397 __sys_sendmsg+0x105/0x1d0 net/socket.c:2430 __do_sys_sendmsg net/socket.c:2439 [inline] __se_sys_sendmsg net/socket.c:2437 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2437 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x446d49 Code: e8 8c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 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 0f 83 fb 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f29db715d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446d49 RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c R13: 00000000200002c0 R14: 00000000004aed40 R15: 0000000000000000 Modules linked in: