------------[ cut here ]------------ WARNING: CPU: 3 PID: 27362 at net/netfilter/nft_socket.c:220 nft_socket_init+0x376/0x3c0 net/netfilter/nft_socket.c:220 Modules linked in: CPU: 3 UID: 0 PID: 27362 Comm: syz.2.6012 Not tainted 6.13.0-rc2-syzkaller-00018-g7cb1b4663150 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:nft_socket_init+0x376/0x3c0 net/netfilter/nft_socket.c:220 Code: f8 e9 59 fd ff ff e8 a9 36 9e f8 e9 db fd ff ff e8 0f 36 9e f8 e9 f1 fe ff ff e8 35 36 9e f8 e9 a6 fe ff ff e8 5b af 3b f8 90 <0f> 0b 90 e9 66 fe ff ff bd ea ff ff ff e9 3d fe ff ff e8 13 36 9e RSP: 0018:ffffc90007687318 EFLAGS: 00010283 RAX: 0000000000000761 RBX: ffff88804b8ff918 RCX: ffffc90029b2c000 RDX: 0000000000080000 RSI: ffffffff895d8e95 RDI: 0000000000000005 RBP: 0000000000000001 R08: 0000000000000005 R09: 00000000000000ff R10: 0000000000000100 R11: 00000000000a201e R12: ffff888073150010 R13: ffffc90007687408 R14: 0000000000000100 R15: 00000000000000ff FS: 0000000000000000(0000) GS:ffff88802b700000(0063) knlGS:00000000f5166b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000000c2ca494 CR3: 000000006f238000 CR4: 0000000000352ef0 Call Trace: nf_tables_newexpr net/netfilter/nf_tables_api.c:3444 [inline] nf_tables_newrule+0xe99/0x2890 net/netfilter/nf_tables_api.c:4272 nfnetlink_rcv_batch+0x1a2a/0x24e0 net/netfilter/nfnetlink.c:524 nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:647 [inline] nfnetlink_rcv+0x3c3/0x430 net/netfilter/nfnetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline] netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1347 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1891 sock_sendmsg_nosec net/socket.c:711 [inline] __sock_sendmsg net/socket.c:726 [inline] ____sys_sendmsg+0x9ae/0xb40 net/socket.c:2583 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2637 __sys_sendmsg+0x16e/0x220 net/socket.c:2669 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:386 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf7ff5579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f516657c EFLAGS: 00000292 ORIG_RAX: 0000000000000172 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000200002c0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 ret 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi