netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 skbuff: skb_over_panic: text:ffffffff87e575bd len:65575 put:65575 head:ffff88801e78e000 data:ffff88801e78e0a8 tail:0x100cf end:0x6c0 dev: ------------[ cut here ]------------ kernel BUG at net/core/skbuff.c:113! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 3600 Comm: syz-executor688 Not tainted 5.16.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:skb_panic+0x16c/0x16e net/core/skbuff.c:113 Code: f8 4c 8b 4c 24 10 8b 4b 70 41 56 45 89 e8 4c 89 e2 41 57 48 89 ee 48 c7 c7 e0 d3 ad 8a ff 74 24 10 ff 74 24 20 e8 d2 16 c2 ff <0f> 0b e8 f8 da 33 f8 4c 8b 64 24 18 e8 ce 33 7b f8 48 c7 c1 80 e0 RSP: 0018:ffffc90001a8f430 EFLAGS: 00010282 RAX: 000000000000008f RBX: ffff8880711b9000 RCX: 0000000000000000 RDX: ffff88807f3e0000 RSI: ffffffff815eea08 RDI: fffff52000351e78 RBP: ffffffff8aade0c0 R08: 000000000000008f R09: 0000000000000000 R10: ffffffff815e87ae R11: 0000000000000000 R12: ffffffff87e575bd R13: 0000000000010027 R14: ffffffff8aadd3a0 R15: 00000000000006c0 FS: 0000555555783300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000040 CR3: 000000001a403000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: skb_over_panic net/core/skbuff.c:118 [inline] skb_put.cold+0x24/0x24 net/core/skbuff.c:1988 __ip6_append_data.isra.0+0x1e1d/0x3bc0 net/ipv6/ip6_output.c:1656 ip6_append_data+0x207/0x350 net/ipv6/ip6_output.c:1804 rawv6_sendmsg+0x14e7/0x3a10 net/ipv6/raw.c:949 inet_sendmsg+0x99/0xe0 net/ipv4/af_inet.c:819 sock_sendmsg_nosec net/socket.c:705 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:725 ____sys_sendmsg+0x331/0x810 net/socket.c:2413 ___sys_sendmsg+0xf3/0x170 net/socket.c:2467 __sys_sendmmsg+0x195/0x470 net/socket.c:2553 __do_sys_sendmmsg net/socket.c:2582 [inline] __se_sys_sendmmsg net/socket.c:2579 [inline] __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2579 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fae5d3d03f9 Code: 28 c3 e8 4a 15 00 00 66 2e 0f 1f 84 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd2752d6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007ffd2752d708 RCX: 00007fae5d3d03f9 RDX: 0000000000000001 RSI: 00000000200002c0 RDI: 0000000000000003 RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000fe80 R11: 0000000000000246 R12: 00007ffd2752d710 R13: 00007ffd2752d730 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 34b5ef519b08b394 ]--- RIP: 0010:skb_panic+0x16c/0x16e net/core/skbuff.c:113 Code: f8 4c 8b 4c 24 10 8b 4b 70 41 56 45 89 e8 4c 89 e2 41 57 48 89 ee 48 c7 c7 e0 d3 ad 8a ff 74 24 10 ff 74 24 20 e8 d2 16 c2 ff <0f> 0b e8 f8 da 33 f8 4c 8b 64 24 18 e8 ce 33 7b f8 48 c7 c1 80 e0 RSP: 0018:ffffc90001a8f430 EFLAGS: 00010282 RAX: 000000000000008f RBX: ffff8880711b9000 RCX: 0000000000000000 RDX: ffff88807f3e0000 RSI: ffffffff815eea08 RDI: fffff52000351e78 RBP: ffffffff8aade0c0 R08: 000000000000008f R09: 0000000000000000 R10: ffffffff815e87ae R11: 0000000000000000 R12: ffffffff87e575bd R13: 0000000000010027 R14: ffffffff8aadd3a0 R15: 00000000000006c0 FS: 0000555555783300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000040 CR3: 000000001a403000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400