skbuff: skb_over_panic: text:ffffffff83f73f55 len:428 put:172 head:ffff88811174ed00 data:ffff88811174ed00 tail:0x1ac end:0x140 dev:<NULL>
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:192!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 3725 Comm: dhcpcd Not tainted 6.6.0-rc6-syzkaller-00169-gc70793fb7632 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
RIP: 0010:skb_panic+0x152/0x1d0 net/core/skbuff.c:192
Code: 0f b6 04 01 84 c0 74 04 3c 03 7e 20 8b 4b 70 41 56 45 89 e8 48 c7 c7 80 82 39 87 41 57 56 48 89 ee 52 4c 89 e2 e8 6e 38 ef fb <0f> 0b 4c 89 4c 24 10 48 89 54 24 08 48 89 34 24 e8 59 4d 58 fc 4c
RSP: 0018:ffffc90002d1f260 EFLAGS: 00010282
RAX: 0000000000000089 RBX: ffff888100f10dc0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff813172b2 RDI: 0000000000000005
RBP: ffffffff87399220 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000403 R11: 0000000000000001 R12: ffffffff83f73f55
R13: 00000000000000ac R14: ffffffff87398240 R15: 0000000000000140
FS:  00007fb83c569740(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff1da2a738 CR3: 0000000111ceb000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 skb_over_panic net/core/skbuff.c:197 [inline]
 skb_put+0x16f/0x1a0 net/core/skbuff.c:2427
 skb_put_zero include/linux/skbuff.h:2610 [inline]
 cdc_ncm_ndp16 drivers/net/usb/cdc_ncm.c:1135 [inline]
 cdc_ncm_fill_tx_frame+0x20b5/0x3890 drivers/net/usb/cdc_ncm.c:1310
 cdc_ncm_tx_fixup+0xe9/0x130 drivers/net/usb/cdc_ncm.c:1537
 usbnet_start_xmit+0x15f/0x2440 drivers/net/usb/usbnet.c:1365
 __netdev_start_xmit include/linux/netdevice.h:4889 [inline]
 netdev_start_xmit include/linux/netdevice.h:4903 [inline]
 xmit_one net/core/dev.c:3548 [inline]
 dev_hard_start_xmit+0x13d/0x6c0 net/core/dev.c:3564
 sch_direct_xmit+0x18e/0x830 net/sched/sch_generic.c:342
 __dev_xmit_skb net/core/dev.c:3775 [inline]
 __dev_queue_xmit+0x1268/0x3d50 net/core/dev.c:4310
 dev_queue_xmit include/linux/netdevice.h:3082 [inline]
 packet_xmit+0x25f/0x380 net/packet/af_packet.c:276
 packet_snd net/packet/af_packet.c:3087 [inline]
 packet_sendmsg+0x24f5/0x5590 net/packet/af_packet.c:3119
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0xd5/0x180 net/socket.c:745
 sock_write_iter+0x29b/0x3d0 net/socket.c:1158
 call_write_iter include/linux/fs.h:1956 [inline]
 do_iter_readv_writev+0x21e/0x3c0 fs/read_write.c:735
 do_iter_write+0x17f/0x830 fs/read_write.c:860
 vfs_writev+0x221/0x700 fs/read_write.c:933
 do_writev+0x285/0x370 fs/read_write.c:976
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb83c637e03
Code: 89 c7 48 89 44 24 08 e8 6a f2 f9 ff 48 8b 44 24 08 48 83 c4 28 c3 c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 14 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 6d 48 8b 15 f6 5f 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007fff1da2a6d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 00007fff1da3a988 RCX: 00007fb83c637e03
RDX: 0000000000000002 RSI: 00007fff1da2a6f0 RDI: 0000000000000005
RBP: 000055597ada19c7 R08: 0000000042424242 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000055597b688080 R14: 00007fff1da2a788 R15: 00007fff1da2a738
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:skb_panic+0x152/0x1d0 net/core/skbuff.c:192
Code: 0f b6 04 01 84 c0 74 04 3c 03 7e 20 8b 4b 70 41 56 45 89 e8 48 c7 c7 80 82 39 87 41 57 56 48 89 ee 52 4c 89 e2 e8 6e 38 ef fb <0f> 0b 4c 89 4c 24 10 48 89 54 24 08 48 89 34 24 e8 59 4d 58 fc 4c
RSP: 0018:ffffc90002d1f260 EFLAGS: 00010282
RAX: 0000000000000089 RBX: ffff888100f10dc0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff813172b2 RDI: 0000000000000005
RBP: ffffffff87399220 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000403 R11: 0000000000000001 R12: ffffffff83f73f55
R13: 00000000000000ac R14: ffffffff87398240 R15: 0000000000000140
FS:  00007fb83c569740(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff1da2a738 CR3: 0000000111ceb000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400