Hello, syzbot found the following crash on: HEAD commit: 059e7e0f usb: raw-gadget: fix typo in uapi headers git tree: https://github.com/google/kasan.git usb-fuzzer console output: https://syzkaller.appspot.com/x/log.txt?x=179bc3c2100000 kernel config: https://syzkaller.appspot.com/x/.config?x=b484a6e53b2b06ad dashboard link: https://syzkaller.appspot.com/bug?extid=9468df99cb63a4a4c4e1 compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=177d01c6100000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13052f48100000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+9468df99cb63a4a4c4e1@xxxxxxxxxxxxxxxxxxxxxxxxx usb 1-1: reset full-speed USB device number 2 using dummy_hcd ------------[ cut here ]------------ usb 1-1: BOGUS urb xfer, pipe 1 != type 3 WARNING: CPU: 1 PID: 17 at drivers/usb/core/urb.c:478 usb_submit_urb+0x1188/0x1460 drivers/usb/core/urb.c:478 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.7.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xef/0x16e lib/dump_stack.c:118 panic+0x2aa/0x6e1 kernel/panic.c:221 __warn.cold+0x2f/0x30 kernel/panic.c:582 report_bug+0x27b/0x2f0 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:175 [inline] fixup_bug arch/x86/kernel/traps.c:170 [inline] do_error_trap+0x12b/0x1e0 arch/x86/kernel/traps.c:267 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:286 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:usb_submit_urb+0x1188/0x1460 drivers/usb/core/urb.c:478 Code: 4d 85 ed 74 46 e8 38 c2 d2 fd 4c 89 f7 e8 70 ac 16 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 00 52 3d 86 e8 40 96 a6 fd <0f> 0b e9 20 f4 ff ff e8 0c c2 d2 fd 0f 1f 44 00 00 e8 02 c2 d2 fd RSP: 0018:ffff8881da25ef40 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff812a2d8d RDI: ffffed103b44bdda RBP: ffff8881d9846050 R08: ffff8881da243180 R09: ffffed103b666292 R10: ffff8881db33148f R11: ffffed103b666291 R12: 0000000000000001 R13: ffff8881d8c365e8 R14: ffff8881cd6940a0 R15: ffff8881cfb0a100 carl9170_usb_submit_cmd_urb+0xa5/0x120 drivers/net/wireless/ath/carl9170/usb.c:229 __carl9170_exec_cmd+0x313/0x5c0 drivers/net/wireless/ath/carl9170/usb.c:643 carl9170_reboot+0xaf/0xf0 drivers/net/wireless/ath/carl9170/cmd.c:141 carl9170_usb_disconnect+0xee/0x130 drivers/net/wireless/ath/carl9170/usb.c:1117 usb_unbind_interface+0x1bd/0x8a0 drivers/usb/core/driver.c:436 __device_release_driver drivers/base/dd.c:1114 [inline] device_release_driver_internal+0x432/0x500 drivers/base/dd.c:1145 usb_driver_release_interface+0x102/0x180 drivers/usb/core/driver.c:609 usb_forced_unbind_intf+0x50/0xb0 drivers/usb/core/driver.c:1057 usb_reset_device+0x39d/0x960 drivers/usb/core/hub.c:5933 carl9170_usb_probe+0x48/0xd40 drivers/net/wireless/ath/carl9170/usb.c:1044 usb_probe_interface+0x310/0x800 drivers/usb/core/driver.c:374 really_probe+0x290/0xac0 drivers/base/dd.c:527 driver_probe_device+0x223/0x350 drivers/base/dd.c:701 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:808 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:431 __device_attach+0x21a/0x390 drivers/base/dd.c:874 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491 device_add+0x1367/0x1c20 drivers/base/core.c:2533 usb_set_configuration+0xed4/0x1850 drivers/usb/core/message.c:2025 usb_generic_driver_probe+0x9d/0xe0 drivers/usb/core/generic.c:241 usb_probe_device+0xd9/0x230 drivers/usb/core/driver.c:272 really_probe+0x290/0xac0 drivers/base/dd.c:527 driver_probe_device+0x223/0x350 drivers/base/dd.c:701 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:808 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:431 __device_attach+0x21a/0x390 drivers/base/dd.c:874 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491 device_add+0x1367/0x1c20 drivers/base/core.c:2533 usb_new_device.cold+0x552/0xf6e drivers/usb/core/hub.c:2548 hub_port_connect drivers/usb/core/hub.c:5195 [inline] hub_port_connect_change drivers/usb/core/hub.c:5335 [inline] port_event drivers/usb/core/hub.c:5481 [inline] hub_event+0x226d/0x43c0 drivers/usb/core/hub.c:5563 process_one_work+0x965/0x1630 kernel/workqueue.c:2268 worker_thread+0x96/0xe20 kernel/workqueue.c:2414 kthread+0x326/0x430 kernel/kthread.c:268 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Kernel Offset: disabled Rebooting in 86400 seconds.. --- This bug 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 bug report. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this bug, for details see: https://goo.gl/tpsmEJ#testing-patches
