bisecting fixing commit since 1fc596a56b334f4d593a2b49e5ff55af6aaa0816 building syzkaller on be531bb42381b245eed805e49fd889d1c2118c76 testing commit 1fc596a56b334f4d593a2b49e5ff55af6aaa0816 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 91b6e2fe274bce147da3fde14b7b1fd16572b587789432528bb428e552e254f2 all runs: crashed: WARNING in carl9170_usb_send_rx_irq_urb/usb_submit_urb testing current HEAD 0840a7914caa14315a3191178a9f72c742477860 testing commit 0840a7914caa14315a3191178a9f72c742477860 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 22f698723d718f03a705ce070c444549d94089cf447ad327bd455954a0840ade all runs: crashed: WARNING in carl9170_usb_send_rx_irq_urb/usb_submit_urb revisions tested: 2, total time: 20m0.507770298s (build: 12m51.092031056s, test: 6m23.470206091s) the crash still happens on HEAD commit msg: Merge tag 'char-misc-5.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc crash: WARNING in carl9170_usb_send_rx_irq_urb/usb_submit_urb 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: 26 at drivers/usb/core/urb.c:502 usb_submit_urb+0xb07/0x1680 drivers/usb/core/urb.c:502 Modules linked in: CPU: 1 PID: 26 Comm: kworker/1:1 Not tainted 5.19.0-rc3-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+0xb07/0x1680 drivers/usb/core/urb.c:502 Code: 4c 24 18 89 4c 24 08 44 89 04 24 e8 43 e1 19 ff 44 8b 04 24 4c 89 e2 48 c7 c7 80 51 84 89 8b 4c 24 08 48 89 c6 e8 af 0d 51 03 <0f> 0b 4c 8b 4c 24 18 e9 c0 fa ff ff 48 8d 7b 1c 48 ba 00 00 00 00 RSP: 0018:ffffc90000a1fba8 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff88801a76c000 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffffffff89424540 RDI: fffff52000143f67 RBP: ffff88801faa1a00 R08: 0000000000000001 R09: ffff8880b9f34007 R10: ffffed10173e6800 R11: 0000000000000001 R12: ffff88801579ad20 R13: 000000000000000e R14: 0000000000000002 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc9a5c17111 CR3: 000000007e6ab000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: carl9170_usb_send_rx_irq_urb+0x266/0x340 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+0x188/0x230 drivers/net/wireless/ath/carl9170/usb.c:1028 request_firmware_work_func+0x126/0x230 drivers/base/firmware_loader/main.c:1107 process_one_work+0x841/0x13a0 kernel/workqueue.c:2289 worker_thread+0x598/0xec0 kernel/workqueue.c:2436 kthread+0x299/0x340 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302