Hello, syzbot found the following issue on: HEAD commit: fe07bfda Linux 5.12-rc1 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=12020056d00000 kernel config: https://syzkaller.appspot.com/x/.config?x=fd36f4f4a84d245c dashboard link: https://syzkaller.appspot.com/bug?extid=0ae4804973be759fa420 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=111b8c42d00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=131dcb7f500000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+0ae4804973be759fa420@xxxxxxxxxxxxxxxxxxxxxxxxx usb 1-1: reset high-speed USB device number 2 using dummy_hcd usb 1-1: device descriptor read/64, error -71 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: 1 PID: 32 at drivers/usb/core/urb.c:493 usb_submit_urb+0xd27/0x1540 drivers/usb/core/urb.c:493 Modules linked in: CPU: 1 PID: 32 Comm: kworker/1:1 Not tainted 5.12.0-rc1-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+0xd27/0x1540 drivers/usb/core/urb.c:493 Code: 84 d4 02 00 00 e8 69 99 b8 fd 4c 89 ef e8 d1 cd 1c ff 41 89 d8 44 89 e1 4c 89 f2 48 89 c6 48 c7 c7 00 02 62 86 e8 39 e9 fa 01 <0f> 0b e9 81 f8 ff ff e8 3d 99 b8 fd 48 81 c5 30 06 00 00 e9 ad f7 RSP: 0018:ffffc900001f7bb0 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: ffff8881008e0000 RSI: ffffffff812964e3 RDI: fffff5200003ef68 RBP: ffff888116f510a0 R08: 0000000000000001 R09: 0000000000000000 R10: ffffffff8149dffb R11: 0000000000000000 R12: 0000000000000001 R13: ffff888116f500a0 R14: ffff8881057a4000 R15: ffff88810256d300 FS: 0000000000000000(0000) GS:ffff8881f6b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb73282f000 CR3: 0000000105642000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: carl9170_usb_send_rx_irq_urb+0x273/0x340 drivers/net/wireless/ath/carl9170/usb.c:504 carl9170_usb_init_device drivers/net/wireless/ath/carl9170/usb.c:939 [inline] carl9170_usb_firmware_finish drivers/net/wireless/ath/carl9170/usb.c:999 [inline] carl9170_usb_firmware_step2+0x1b9/0x290 drivers/net/wireless/ath/carl9170/usb.c:1028 request_firmware_work_func+0x12c/0x230 drivers/base/firmware_loader/main.c:1079 process_one_work+0x98d/0x1580 kernel/workqueue.c:2275 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421 kthread+0x38c/0x460 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 --- 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
