Hello, syzbot has tested the proposed patch but the reproducer still triggered crash: WARNING in usbhid_raw_request/usb_submit_urb usb 2-1: Ep 0 disabled: 4 ------------[ cut here ]------------ usb 2-1: BOGUS urb xfer, pipe 2 != type 2 WARNING: CPU: 1 PID: 4177 at drivers/usb/core/urb.c:482 usb_submit_urb+0xa38/0x1380 drivers/usb/core/urb.c:482 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 4177 Comm: syz-executor.1 Not tainted 5.6.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 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:174 [inline] fixup_bug arch/x86/kernel/traps.c:169 [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+0xa38/0x1380 drivers/usb/core/urb.c:482 Code: 84 40 04 00 00 e8 28 8a dd fd 4c 89 ef e8 30 5a 17 ff 41 89 d8 44 89 e1 4c 89 f2 48 89 c6 48 c7 c7 c0 dd 3b 86 e8 d0 1a b2 fd <0f> 0b e8 01 8a dd fd 0f b6 6c 24 08 bb 86 03 00 00 48 c7 c6 20 df RSP: 0018:ffff8881cfcefb30 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff812974dd RDI: ffffed1039f9df58 RBP: 0000000000000000 R08: ffff8881d8d01880 R09: ffffed103b66439f R10: ffffed103b66439e R11: ffff8881db321cf3 R12: 0000000000000002 R13: ffff8881c5cd60a8 R14: ffff8881c6021ed0 R15: ffff8881d9572100 usb_start_wait_urb+0x108/0x4c0 drivers/usb/core/message.c:58 usb_internal_control_msg drivers/usb/core/message.c:102 [inline] usb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:153 usbhid_set_raw_report drivers/hid/usbhid/hid-core.c:917 [inline] usbhid_raw_request+0x225/0x620 drivers/hid/usbhid/hid-core.c:1265 hid_hw_raw_request include/linux/hid.h:1079 [inline] hidraw_send_report+0x296/0x500 drivers/hid/hidraw.c:151 hidraw_ioctl+0x620/0xaf0 drivers/hid/hidraw.c:422 vfs_ioctl fs/ioctl.c:47 [inline] ksys_ioctl+0x11a/0x180 fs/ioctl.c:763 __do_sys_ioctl fs/ioctl.c:772 [inline] __se_sys_ioctl fs/ioctl.c:770 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:770 do_syscall_64+0xb6/0x5a0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45c849 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fc247305c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc2473066d4 RCX: 000000000045c849 RDX: 00000000200000c0 RSI: 0000000080404806 RDI: 0000000000000006 RBP: 000000000076bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000335 R14: 00000000004c59df R15: 000000000076bfac Kernel Offset: disabled Rebooting in 86400 seconds.. Tested on: commit: 0fa84af8 Merge tag 'usb-serial-5.7-rc1' of https://git.ker.. git tree: https://github.com/google/kasan.git console output: https://syzkaller.appspot.com/x/log.txt?x=143e9b9be00000 kernel config: https://syzkaller.appspot.com/x/.config?x=6b9c154b0c23aecf dashboard link: https://syzkaller.appspot.com/bug?extid=db339689b2101f6f6071 compiler: gcc (GCC) 9.0.0 20181231 (experimental) patch: https://syzkaller.appspot.com/x/patch.diff?x=1067e1bbe00000
