skbuff: skb_over_panic: text:ffffffff85cf6adc len:692 put:3 head:ffff88809875ad80 data:ffff88809875ad8e tail:0x2c2 end:0x2c0 dev:bond0
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:104!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 7972 Comm: syz-executor626 Not tainted 4.14.232-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88809d6685c0 task.stack: ffff88809eab8000
RIP: 0010:skb_panic+0x172/0x174 net/core/skbuff.c:104
RSP: 0018:ffff88809eabf888 EFLAGS: 00010282
RAX: 0000000000000086 RBX: ffff888099216900 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff878bbbc0 RDI: ffffed1013d57f07
RBP: ffffffff885571e0 R08: 0000000000000086 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff85cf6adc
R13: 0000000000000003 R14: ffff8880ac2b4440 R15: 00000000000002c0
FS:  0000000002025300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055845ea058f0 CR3: 00000000af111000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 skb_over_panic net/core/skbuff.c:109 [inline]
 skb_put.cold+0x24/0x24 net/core/skbuff.c:1708
 llc_pdu_init_as_xid_cmd include/net/llc_pdu.h:377 [inline]
 llc_sap_action_send_xid_c+0x23c/0x2f0 net/llc/llc_s_ac.c:84
 llc_exec_sap_trans_actions net/llc/llc_sap.c:152 [inline]
 llc_sap_next_state net/llc/llc_sap.c:181 [inline]
 llc_sap_state_process+0x20b/0x490 net/llc/llc_sap.c:208
 llc_ui_sendmsg+0x8e1/0xe80 net/llc/af_llc.c:965
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x43f319
RSP: 002b:00007ffe7b827eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043f319
RDX: 0000000000000006 RSI: 0000000020005bc0 RDI: 0000000000000003
RBP: 0000000000403300 R08: 0000000000400488 R09: 0000000000400488
R10: 0000000004000000 R11: 0000000000000246 R12: 0000000000403390
R13: 0000000000000000 R14: 00000000004ad018 R15: 0000000000400488
Code: 8b 4c 24 10 8b 8b 80 00 00 00 41 56 45 89 e8 4c 89 e2 41 57 48 89 ee 48 c7 c7 80 6a 55 88 ff 74 24 10 ff 74 24 20 e8 1c 6e e4 ff <0f> 0b e8 e1 56 38 fa 4c 8b 64 24 18 e8 47 e5 61 fa 48 c7 c1 a0 
RIP: skb_panic+0x172/0x174 net/core/skbuff.c:104 RSP: ffff88809eabf888
---[ end trace 50a73ff038f36254 ]---