linux-kernel - WARNING in gtco_input_open/usb_submit

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Message-ID: <0000000000000a9f7d05a2c8305a@google.com>
Date:   Wed, 08 Apr 2020 07:19:16 -0700
From:   syzbot <syzbot+ab2a85d89a155440320b@...kaller.appspotmail.com>
To:     andreyknvl@...gle.com, gregkh@...uxfoundation.org,
        ingrassia@...genesys.com, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: WARNING in gtco_input_open/usb_submit_urb (2)

Hello,

syzbot found the following crash on:

HEAD commit:    0fa84af8 Merge tag 'usb-serial-5.7-rc1' of https://git.ker..
git tree:       https://github.com/google/kasan.git usb-fuzzer
console output: https://syzkaller.appspot.com/x/log.txt?x=17a84c3be00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=6b9c154b0c23aecf
dashboard link: https://syzkaller.appspot.com/bug?extid=ab2a85d89a155440320b
compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12340e1be00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1112d61be00000

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+ab2a85d89a155440320b@...kaller.appspotmail.com

------------[ cut here ]------------
usb 1-1: BOGUS urb xfer, pipe 1 != type 3
WARNING: CPU: 0 PID: 367 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: 0 PID: 367 Comm: systemd-udevd 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+0x1188/0x1460 drivers/usb/core/urb.c:478
Code: 4d 85 ed 74 46 e8 68 87 dd fd 4c 89 f7 e8 90 57 17 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 80 dd 3b 86 e8 10 18 b2 fd <0f> 0b e9 20 f4 ff ff e8 3c 87 dd fd 0f 1f 44 00 00 e8 32 87 dd fd
RSP: 0018:ffff8881cd36f7e0 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff812974dd RDI: ffffed1039a6deee
RBP: ffff8881d4311180 R08: ffff8881d2760000 R09: ffffed103b646248
R10: ffffed103b646247 R11: ffff8881db23123f R12: 0000000000000001
R13: ffff8881da2a3e58 R14: ffff8881cd6fd0a0 R15: ffff8881d06bbf00
 gtco_input_open+0xd5/0x130 drivers/input/tablet/gtco.c:560
 input_open_device+0x16c/0x2c0 drivers/input/input.c:623
 evdev_open_device drivers/input/evdev.c:414 [inline]
 evdev_open+0x3dc/0x4f0 drivers/input/evdev.c:496
 chrdev_open+0x219/0x5c0 fs/char_dev.c:414
 do_dentry_open+0x494/0x1120 fs/open.c:797
 do_last fs/namei.c:3490 [inline]
 path_openat+0x1222/0x32a0 fs/namei.c:3607
 do_filp_open+0x192/0x260 fs/namei.c:3637
 do_sys_openat2+0x54c/0x740 fs/open.c:1146
 do_sys_open+0xc3/0x140 fs/open.c:1162
 do_syscall_64+0xb6/0x5a0 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fa58f493840
Code: 73 01 c3 48 8b 0d 68 77 20 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d 89 bb 20 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 1e f6 ff ff 48 89 04 24
RSP: 002b:00007ffdd9e70518 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00005577299fd7e0 RCX: 00007fa58f493840
RDX: 0000000000000000 RSI: 0000000000080000 RDI: 00005577299eaa00
RBP: 00005577299eaa00 R08: 000055772884c670 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000020
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..


---
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