------------[ cut here ]------------ skb_assert_len WARNING: CPU: 0 PID: 18188 at include/linux/skbuff.h:2541 skb_assert_len include/linux/skbuff.h:2541 [inline] WARNING: CPU: 0 PID: 18188 at include/linux/skbuff.h:2541 __dev_queue_xmit+0x258b/0x3db0 net/core/dev.c:4159 Modules linked in: CPU: 0 PID: 18188 Comm: syz-executor.1 Not tainted 6.2.0-syzkaller-05251-g5b7c4cabbb65 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 RIP: 0010:skb_assert_len include/linux/skbuff.h:2541 [inline] RIP: 0010:__dev_queue_xmit+0x258b/0x3db0 net/core/dev.c:4159 Code: 89 de e8 08 3d 71 f9 84 db 75 21 e8 9f 40 71 f9 48 c7 c6 20 60 5c 8b 48 c7 c7 00 32 5c 8b c6 05 d4 4b 4e 06 01 e8 e5 bc 38 f9 <0f> 0b e8 7e 40 71 f9 0f b6 1d c0 4b 4e 06 31 ff 89 de e8 ce 3c 71 RSP: 0018:ffffc900053bf190 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc9002ba29000 RDX: 0000000000040000 RSI: ffffffff814c2c17 RDI: 0000000000000001 RBP: ffff888024b98bfa R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff888024b98b40 R13: 0000000000000000 R14: ffff888024b98b50 R15: ffff8880008e8000 FS: 0000000000000000(0000) GS:ffff88802ca00000(0063) knlGS:00000000f7fcdb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000020000800 CR3: 000000004c364000 CR4: 0000000000150ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: dev_queue_xmit include/linux/netdevice.h:3051 [inline] __netlink_deliver_tap_skb net/netlink/af_netlink.c:307 [inline] __netlink_deliver_tap net/netlink/af_netlink.c:325 [inline] netlink_deliver_tap+0xa8b/0xcf0 net/netlink/af_netlink.c:338 __netlink_sendskb net/netlink/af_netlink.c:1283 [inline] netlink_sendskb net/netlink/af_netlink.c:1292 [inline] netlink_unicast+0x6b0/0x7f0 net/netlink/af_netlink.c:1380 nlmsg_unicast include/net/netlink.h:1100 [inline] genlmsg_unicast include/net/genetlink.h:433 [inline] genlmsg_reply include/net/genetlink.h:443 [inline] ila_xlat_nl_cmd_get_mapping+0x4a8/0x7a0 net/ipv6/ila/ila_xlat.c:493 genl_family_rcv_msg_doit.isra.0+0x1e6/0x2d0 net/netlink/genetlink.c:968 genl_family_rcv_msg net/netlink/genetlink.c:1048 [inline] genl_rcv_msg+0x4ff/0x7e0 net/netlink/genetlink.c:1065 netlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2574 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1076 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline] netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1365 netlink_sendmsg+0x925/0xe30 net/netlink/af_netlink.c:1942 sock_sendmsg_nosec net/socket.c:722 [inline] sock_sendmsg+0xde/0x190 net/socket.c:745 ____sys_sendmsg+0x71c/0x900 net/socket.c:2504 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2558 __sys_sendmsg+0xf7/0x1c0 net/socket.c:2587 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x70/0x82 RIP: 0023:0xf7fd2579 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:00000000f7fcd5cc EFLAGS: 00000296 ORIG_RAX: 0000000000000172 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000800 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 retq 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