Hello, syzbot found the following issue on: HEAD commit: 1fc596a56b33 Merge tag 'trace-v5.15-rc6' of git://git.kern.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=100b3d64b00000 kernel config: https://syzkaller.appspot.com/x/.config?x=e24661dcff16e3ec dashboard link: https://syzkaller.appspot.com/bug?extid=e394db78ae0b0032cb4d compiler: Debian clang version 11.0.1-2, GNU ld (GNU Binutils for Debian) 2.35.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=152ebd9ab00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=170d4408b00000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+e394db78ae0b0032cb4d@xxxxxxxxxxxxxxxxxxxxxxxxx usb 1-1: device descriptor read/64, error -71 usb 1-1: reset high-speed USB device number 2 using dummy_hcd usb 1-1: Using ep0 maxpacket: 8 usb 1-1: driver API: 1.9.9 2016-02-15 [1-1] usb 1-1: firmware API: 1.9.6 2012-07-07 ------------[ cut here ]------------ usb 1-1: BOGUS urb xfer, pipe 1 != type 3 WARNING: CPU: 0 PID: 1053 at drivers/usb/core/urb.c:503 usb_submit_urb+0xcd2/0x1970 drivers/usb/core/urb.c:502 Modules linked in: CPU: 0 PID: 1053 Comm: kworker/0:2 Not tainted 5.15.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events request_firmware_work_func RIP: 0010:usb_submit_urb+0xcd2/0x1970 drivers/usb/core/urb.c:502 Code: d8 48 c1 e8 03 42 8a 04 20 84 c0 0f 85 89 09 00 00 44 8b 03 48 c7 c7 c0 2c 04 8b 4c 89 fe 4c 89 f2 89 e9 31 c0 e8 5e c7 6f fb <0f> 0b 4c 8b 7c 24 10 4c 8b 64 24 38 8b 5c 24 28 45 89 e6 4c 89 f7 RSP: 0018:ffffc900045bfa20 EFLAGS: 00010246 RAX: c0488d4b2013c100 RBX: ffffffff8b042a08 RCX: ffff88801c0eb900 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 0000000000000001 R08: ffffffff81695fe2 R09: ffffed10173857a8 R10: ffffed10173857a8 R11: 0000000000000000 R12: dffffc0000000000 R13: ffff888014de4400 R14: ffff888012bb16b8 R15: ffffffff8b04cc80 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fffa69fe690 CR3: 0000000071447000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: carl9170_usb_send_rx_irq_urb drivers/net/wireless/ath/carl9170/usb.c:504 [inline] carl9170_usb_init_device+0x243/0x880 drivers/net/wireless/ath/carl9170/usb.c:939 carl9170_usb_firmware_finish drivers/net/wireless/ath/carl9170/usb.c:999 [inline] carl9170_usb_firmware_step2+0xa5/0x260 drivers/net/wireless/ath/carl9170/usb.c:1028 request_firmware_work_func+0x19b/0x270 drivers/base/firmware_loader/main.c:1081 process_one_work+0x853/0x1140 kernel/workqueue.c:2297 worker_thread+0xac1/0x1320 kernel/workqueue.c:2444 kthread+0x453/0x480 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 --- 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. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches