Hello, syzbot found the following issue on: HEAD commit: d99e42ce6b83 Merge tag 'usb-serial-6.9-rc1' of https://git.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing console output: https://syzkaller.appspot.com/x/log.txt?x=111aa901180000 kernel config: https://syzkaller.appspot.com/x/.config?x=dd8c589043bc2b49 dashboard link: https://syzkaller.appspot.com/bug?extid=d693c07c6f647e0388d3 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1248049e180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14bbf9fa180000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/69f01028417d/disk-d99e42ce.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/b4624715c637/vmlinux-d99e42ce.xz kernel image: https://storage.googleapis.com/syzbot-assets/0a940dfca61e/bzImage-d99e42ce.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+d693c07c6f647e0388d3@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ usb 3-1: BOGUS urb xfer, pipe 3 != type 1 WARNING: CPU: 1 PID: 2507 at drivers/usb/core/urb.c:503 usb_submit_urb+0xe47/0x1730 drivers/usb/core/urb.c:503 Modules linked in: CPU: 1 PID: 2507 Comm: kworker/1:5 Not tainted 6.8.0-rc6-syzkaller-00189-gd99e42ce6b83 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Workqueue: mld mld_ifc_work RIP: 0010:usb_submit_urb+0xe47/0x1730 drivers/usb/core/urb.c:503 Code: 84 3c 02 00 00 e8 59 ba 43 fd 4c 89 ef e8 61 16 07 ff 45 89 e0 89 e9 4c 89 f2 48 89 c6 48 c7 c7 a0 37 f0 86 e8 0a 46 0d fd 90 <0f> 0b 90 90 e9 ed f8 ff ff e8 2b ba 43 fd 49 81 c4 b8 05 00 00 e9 RSP: 0018:ffffc9000157f308 EFLAGS: 00010082 RAX: 0000000000000000 RBX: ffff8881123c3000 RCX: ffffffff81177339 RDX: ffff888115e8d700 RSI: ffffffff81177346 RDI: 0000000000000001 RBP: 0000000000000003 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001 R13: ffff888120fb00a8 R14: ffff888103eeb240 R15: ffff8881123c307c FS: 0000000000000000(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4293372238 CR3: 00000001227c5000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> usbnet_start_xmit+0x693/0x2440 drivers/net/usb/usbnet.c:1453 __netdev_start_xmit include/linux/netdevice.h:4989 [inline] netdev_start_xmit include/linux/netdevice.h:5003 [inline] xmit_one net/core/dev.c:3547 [inline] dev_hard_start_xmit+0x137/0x6d0 net/core/dev.c:3563 sch_direct_xmit+0x18e/0x830 net/sched/sch_generic.c:342 __dev_xmit_skb net/core/dev.c:3776 [inline] __dev_queue_xmit+0x12b2/0x3ed0 net/core/dev.c:4317 dev_queue_xmit include/linux/netdevice.h:3171 [inline] neigh_resolve_output net/core/neighbour.c:1563 [inline] neigh_resolve_output+0x582/0x8f0 net/core/neighbour.c:1543 neigh_output include/net/neighbour.h:542 [inline] ip6_finish_output2+0xad9/0x22b0 net/ipv6/ip6_output.c:137 __ip6_finish_output+0x3a5/0xbc0 net/ipv6/ip6_output.c:211 ip6_finish_output net/ipv6/ip6_output.c:222 [inline] NF_HOOK_COND include/linux/netfilter.h:303 [inline] ip6_output+0x23a/0x8c0 net/ipv6/ip6_output.c:243 dst_output include/net/dst.h:451 [inline] NF_HOOK.constprop.0+0xff/0x570 include/linux/netfilter.h:314 mld_sendpack+0x6e6/0xd10 net/ipv6/mcast.c:1818 mld_send_cr net/ipv6/mcast.c:2119 [inline] mld_ifc_work+0x756/0xcd0 net/ipv6/mcast.c:2650 process_one_work+0x886/0x15d0 kernel/workqueue.c:2633 process_scheduled_works kernel/workqueue.c:2706 [inline] worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787 kthread+0x2c6/0x3a0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:243 </TASK> --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
