skb frag:     00000100: 44 d2 0a a2 e2 47 a7 df 6f 97 84 d1 f7 fb c3 2a
skb frag:     00000110: 21 54 9f 61 2b aa b4 19 63 72 89 80 f0 62 f3 61
skb frag:     00000120: 9f 89 a0 49 03 f5 e7 66 b6 4b 34 44 cd b9 03 b5
------------[ cut here ]------------
kernel BUG at ./include/linux/skbuff.h:2847!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 5877 Comm: kworker/1:7 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Workqueue: events net_dm_packet_work
RIP: 0010:__skb_pull include/linux/skbuff.h:2847 [inline]
RIP: 0010:skb_pull_inline include/linux/skbuff.h:2854 [inline]
RIP: 0010:skb_pull.cold+0x29/0x2b net/core/skbuff.c:2677
Code: 0b e8 6b b3 9c 00 44 89 65 70 89 de 48 c7 c7 60 cc 38 8d e8 b9 e6 b2 ff 31 d2 48 89 ee 48 c7 c7 a0 cc 38 8d e8 e8 30 26 08 90 <0f> 0b e8 40 b3 9c 00 4c 89 e2 be 01 00 00 00 48 c7 c7 00 ff ca 90
RSP: 0018:ffffc900044df9f0 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 00000000000000ea RCX: 0000000000000000
RDX: ffff88802461a580 RSI: ffffffff816f5ede RDI: ffff88802461a580
RBP: ffff88802c76ca00 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000001b38
R13: 0000000000001a4e R14: 0000000000001b38 R15: ffff88802c76ca00
FS:  0000000000000000(0000) GS:ffff8880d5c5c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa64e227dac CR3: 00000000647d3000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 net_dm_packet_report net/core/drop_monitor.c:700 [inline]
 net_dm_packet_work+0xafd/0x1290 net/core/drop_monitor.c:739
 process_one_work+0xac7/0x1b10 kernel/workqueue.c:3396
 process_scheduled_works kernel/workqueue.c:3479 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3560
 kthread+0x373/0x450 kernel/kthread.c:436
 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__skb_pull include/linux/skbuff.h:2847 [inline]
RIP: 0010:skb_pull_inline include/linux/skbuff.h:2854 [inline]
RIP: 0010:skb_pull.cold+0x29/0x2b net/core/skbuff.c:2677
Code: 0b e8 6b b3 9c 00 44 89 65 70 89 de 48 c7 c7 60 cc 38 8d e8 b9 e6 b2 ff 31 d2 48 89 ee 48 c7 c7 a0 cc 38 8d e8 e8 30 26 08 90 <0f> 0b e8 40 b3 9c 00 4c 89 e2 be 01 00 00 00 48 c7 c7 00 ff ca 90
RSP: 0018:ffffc900044df9f0 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 00000000000000ea RCX: 0000000000000000
RDX: ffff88802461a580 RSI: ffffffff816f5ede RDI: ffff88802461a580
RBP: ffff88802c76ca00 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000001b38
R13: 0000000000001a4e R14: 0000000000001b38 R15: ffff88802c76ca00
FS:  0000000000000000(0000) GS:ffff8880d5c5c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa64e227dac CR3: 000000000eb96000 CR4: 0000000000352ef0