Hello, syzbot found the following issue on:
HEAD commit: 168ae5a7 Merge 5.9-rc8 into usb-next 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=1073b7ff900000 kernel config: https://syzkaller.appspot.com/x/.config?x=5429f3643ebc37a dashboard link: https://syzkaller.appspot.com/bug?extid=f5378bcf0f0cab45c1c6 compiler: gcc (GCC) 10.1.0-syz 20200507 Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+f5378bcf0f0cab45c...@syzkaller.appspotmail.com ------------[ cut here ]------------ usb 4-1: BOGUS urb xfer, pipe 1 != type 3 WARNING: CPU: 0 PID: 10570 at drivers/usb/core/urb.c:493 usb_submit_urb+0xce2/0x14e0 drivers/usb/core/urb.c:493 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 10570 Comm: kworker/0:9 Not tainted 5.9.0-rc8-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events request_firmware_work_func Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x107/0x16e lib/dump_stack.c:118 panic+0x2cb/0x702 kernel/panic.c:231 __warn.cold+0x20/0x44 kernel/panic.c:600 report_bug+0x1bd/0x210 lib/bug.c:198 handle_bug+0x41/0x80 arch/x86/kernel/traps.c:234 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:254 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536 RIP: 0010:usb_submit_urb+0xce2/0x14e0 drivers/usb/core/urb.c:493 Code: 84 04 03 00 00 e8 3e 98 c6 fd 4c 89 ef e8 66 b6 12 ff 41 89 d8 44 89 e1 4c 89 f2 48 89 c6 48 c7 c7 20 b3 5d 86 e8 d0 ba 9a fd <0f> 0b e9 c6 f8 ff ff e8 12 98 c6 fd 48 81 c5 40 06 00 00 e9 f2 f7 RSP: 0018:ffff8881ab1bf808 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: ffff8881ca76cbc0 RSI: ffffffff8129efa3 RDI: ffffed1035637ef3 RBP: ffff8881a27dfc00 R08: 0000000000000001 R09: ffff8881db22f50f R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001 R13: ffff8881d8fab0a0 R14: ffff8881c7299168 R15: ffff8881cc24a700 hif_usb_send_regout drivers/net/wireless/ath/ath9k/hif_usb.c:127 [inline] hif_usb_send+0x4c1/0xcf0 drivers/net/wireless/ath/ath9k/hif_usb.c:470 htc_issue_send drivers/net/wireless/ath/ath9k/htc_hst.c:34 [inline] htc_connect_service+0x705/0xa00 drivers/net/wireless/ath/ath9k/htc_hst.c:275 ath9k_wmi_connect+0xc9/0x190 drivers/net/wireless/ath/ath9k/wmi.c:268 ath9k_init_htc_services.constprop.0+0xb3/0x640 drivers/net/wireless/ath/ath9k/htc_drv_init.c:146 ath9k_htc_probe_device+0x25f/0x1e10 drivers/net/wireless/ath/ath9k/htc_drv_init.c:962 ath9k_htc_hw_init+0x31/0x60 drivers/net/wireless/ath/ath9k/htc_hst.c:501 ath9k_hif_usb_firmware_cb+0x274/0x530 drivers/net/wireless/ath/ath9k/hif_usb.c:1220 request_firmware_work_func+0x126/0x250 drivers/base/firmware_loader/main.c:1006 process_one_work+0x94c/0x15f0 kernel/workqueue.c:2269 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415 kthread+0x392/0x470 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Kernel Offset: disabled Rebooting in 86400 seconds.. --- 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 syzkal...@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.