syzbot

IPv6: ADDRCONF(NETDEV_CHANGE): usb0: link becomes ready
skbuff: skb_over_panic: text:ffffffff831f755b len:184 put:172 head:ffff88811f1c6c00 data:ffff88811f1c6c00 tail:0xb8 end:0x80 dev:<NULL>
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kernel BUG at net/core/skbuff.c:113!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 57 Comm: kworker/0:2 Not tainted 5.15.106-syzkaller-00249-g19c0ed55a470 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
Workqueue: mld mld_ifc_work
RIP: 0010:skb_panic net/core/skbuff.c:113 [inline]
RIP: 0010:skb_over_panic+0x14c/0x150 net/core/skbuff.c:118
Code: c0 c6 b1 85 48 c7 c6 b0 6f fd 85 48 8b 55 c0 8b 4d d4 44 8b 45 d0 4c 8b 4d c8 53 41 55 41 54 41 57 e8 ad 02 dd 00 48 83 c4 20 <0f> 0b 66 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 10 89
RSP: 0018:ffffc900008d6f80 EFLAGS: 00010282
RAX: 0000000000000087 RBX: ffffffff85b1c740 RCX: 3b464bf4c86e1400
RDX: 0000000000000000 RSI: 0000000080000603 RDI: 0000000000000000
RBP: ffffc900008d6fc0 R08: ffffffff815748e5 R09: ffffed103ee065e8
R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000000000b8
R13: 0000000000000080 R14: dffffc0000000000 R15: ffff88811f1c6c00
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d06720e000 CR3: 0000000115e8d000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 skb_put+0x151/0x210 net/core/skbuff.c:2047
 skb_put_zero include/linux/skbuff.h:2422 [inline]
 cdc_ncm_ndp16 drivers/net/usb/cdc_ncm.c:1131 [inline]
 cdc_ncm_fill_tx_frame+0x11ab/0x3da0 drivers/net/usb/cdc_ncm.c:1308
 cdc_ncm_tx_fixup+0xa3/0x100
 usbnet_start_xmit+0x118/0x1b60 drivers/net/usb/usbnet.c:1368
 __netdev_start_xmit include/linux/netdevice.h:5059 [inline]
 netdev_start_xmit include/linux/netdevice.h:5073 [inline]
 xmit_one net/core/dev.c:3599 [inline]
 dev_hard_start_xmit+0x228/0x620 net/core/dev.c:3615
 sch_direct_xmit+0x298/0x9b0 net/sched/sch_generic.c:342
 __dev_xmit_skb net/core/dev.c:3826 [inline]
 __dev_queue_xmit+0x161e/0x2e70 net/core/dev.c:4195
 dev_queue_xmit+0x17/0x20 net/core/dev.c:4263
 neigh_resolve_output+0x6b8/0x760 net/core/neighbour.c:1524
 neigh_output include/net/neighbour.h:524 [inline]
 ip6_finish_output2+0xf95/0x16e0 net/ipv6/ip6_output.c:126
 __ip6_finish_output+0x678/0x850 net/ipv6/ip6_output.c:191
 ip6_finish_output+0x31/0x210 net/ipv6/ip6_output.c:201
 NF_HOOK_COND include/linux/netfilter.h:299 [inline]
 ip6_output+0x1f7/0x4d0 net/ipv6/ip6_output.c:224
 dst_output include/net/dst.h:450 [inline]
 NF_HOOK include/linux/netfilter.h:310 [inline]
 mld_sendpack+0x662/0xbb0 net/ipv6/mcast.c:1820
 mld_send_cr net/ipv6/mcast.c:2121 [inline]
 mld_ifc_work+0x7dc/0xbb0 net/ipv6/mcast.c:2653
 process_one_work+0x6bb/0xc10 kernel/workqueue.c:2313
 worker_thread+0xad5/0x12a0 kernel/workqueue.c:2460
 kthread+0x421/0x510 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>
Modules linked in:
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