skbuff: skb_over_panic: text:ffffffff87fec2bb len:541 put:541 head:ffff888079d6f800 data:ffff888079d6f800 tail:0x21d end:0xc0 dev:<NULL>
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:111!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 26496 Comm: syz-executor.3 Not tainted 5.13.0-rc3-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:111
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 63 68 8a ff 74 24 10 ff 74 24 20 e8 12 63 c4 ff <0f> 0b e8 46 9d 62 f8 4c 8b 64 24 18 e8 0c a8 a7 f8 48 c7 c1 20 70
RSP: 0018:ffffc90000007b10 EFLAGS: 00010286
RAX: 0000000000000088 RBX: ffff888087168140 RCX: 0000000000000000
RDX: ffff88802bd7d4c0 RSI: ffffffff815ce355 RDI: fffff52000000f54
RBP: ffffffff8a687060 R08: 0000000000000088 R09: 0000000000000000
R10: ffffffff815c81be R11: 0000000000000000 R12: ffffffff87fec2bb
R13: 000000000000021d R14: ffffffff8a6863a0 R15: 00000000000000c0
FS:  00007f37894b4700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000002ff3708 CR3: 0000000083a07000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 skb_over_panic net/core/skbuff.c:116 [inline]
 skb_put.cold+0x24/0x24 net/core/skbuff.c:1920
 isotp_rcv_cf net/can/isotp.c:566 [inline]
 isotp_rcv+0xa4b/0x1f00 net/can/isotp.c:664
 deliver net/can/af_can.c:574 [inline]
 can_rcv_filter+0x445/0x8d0 net/can/af_can.c:635
 can_receive+0x336/0x580 net/can/af_can.c:665
 can_rcv+0x120/0x1c0 net/can/af_can.c:696
 __netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:5459
 __netif_receive_skb+0x27/0x1c0 net/core/dev.c:5573
 process_backlog+0x232/0x6c0 net/core/dev.c:6437
 __napi_poll+0xaf/0x440 net/core/dev.c:6992
 napi_poll net/core/dev.c:7059 [inline]
 net_rx_action+0x801/0xb40 net/core/dev.c:7146
 __do_softirq+0x29b/0x9f6 kernel/softirq.c:559
 do_softirq.part.0+0xd9/0x130 kernel/softirq.c:460
 </IRQ>
 netif_rx_ni+0x33d/0x590 net/core/dev.c:4967
 can_send+0x4ec/0x9a0 net/can/af_can.c:287
 isotp_sendmsg+0x8c2/0x13d0 net/can/isotp.c:948
 sock_sendmsg_nosec net/socket.c:654 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:674
 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2350
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2404
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2433
 do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665d9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f37894b4188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000056c1a8 RCX: 00000000004665d9
RDX: 0000000020000000 RSI: 0000000020000180 RDI: 0000000000000003
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c1a8
R13: 00007ffcd0ca8f6f R14: 00007f37894b4300 R15: 0000000000022000
Modules linked in:
---[ end trace 39b75ad760bafe94 ]---
RIP: 0010:skb_panic+0x16c/0x16e net/core/skbuff.c:111
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 63 68 8a ff 74 24 10 ff 74 24 20 e8 12 63 c4 ff <0f> 0b e8 46 9d 62 f8 4c 8b 64 24 18 e8 0c a8 a7 f8 48 c7 c1 20 70
RSP: 0018:ffffc90000007b10 EFLAGS: 00010286
RAX: 0000000000000088 RBX: ffff888087168140 RCX: 0000000000000000
RDX: ffff88802bd7d4c0 RSI: ffffffff815ce355 RDI: fffff52000000f54
RBP: ffffffff8a687060 R08: 0000000000000088 R09: 0000000000000000
R10: ffffffff815c81be R11: 0000000000000000 R12: ffffffff87fec2bb
R13: 000000000000021d R14: ffffffff8a6863a0 R15: 00000000000000c0
FS:  00007f37894b4700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000002ff3708 CR3: 0000000083a07000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400