linux-kernel - WARNING in cm109_input_ev/usb_submit

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Message-ID: <000000000000f6530105b48b2816@google.com>
Date:   Fri, 20 Nov 2020 07:04:24 -0800
From:   syzbot <syzbot+150f793ac5bc18eee150@...kaller.appspotmail.com>
To:     eli.billauer@...il.com, gregkh@...uxfoundation.org,
        gustavoars@...nel.org, ingrassia@...genesys.com,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        stern@...land.harvard.edu, syzkaller-bugs@...glegroups.com
Subject: WARNING in cm109_input_ev/usb_submit_urb

Hello,

syzbot found the following issue on:

HEAD commit:    4d02da97 Merge tag 'net-5.10-rc5' of git://git.kernel.org/..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=14416dc5500000
kernel config:  https://syzkaller.appspot.com/x/.config?x=c5734ed83831aefc
dashboard link: https://syzkaller.appspot.com/bug?extid=150f793ac5bc18eee150
compiler:       clang version 11.0.0 (https://github.com/llvm/llvm-project.git ca2dcbd030eadbf0aa9b660efe864ff08af6e18b)

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+150f793ac5bc18eee150@...kaller.appspotmail.com

------------[ cut here ]------------
URB 000000001dc45296 submitted while active
WARNING: CPU: 0 PID: 17232 at drivers/usb/core/urb.c:378 usb_submit_urb+0xf57/0x1510 drivers/usb/core/urb.c:378
Modules linked in:
CPU: 0 PID: 17232 Comm: syz-executor.2 Not tainted 5.10.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:usb_submit_urb+0xf57/0x1510 drivers/usb/core/urb.c:378
Code: 5c 41 5d 41 5e 41 5f 5d e9 76 5b ff ff e8 01 2f 05 fc c6 05 07 61 6b 07 01 48 c7 c7 c0 cd 3b 8a 4c 89 e6 31 c0 e8 e9 3b d5 fb <0f> 0b e9 20 f1 ff ff e8 dd 2e 05 fc eb 05 e8 d6 2e 05 fc bb a6 ff
RSP: 0018:ffffc90007fef6d8 EFLAGS: 00010046
RAX: 43026b24801f6b00 RBX: ffff88802d664908 RCX: 0000000000040000
RDX: ffffc9000cd3d000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: 0000000000000a20 R08: ffffffff815d2bc2 R09: ffffed1017383ffc
R10: ffffed1017383ffc R11: 0000000000000000 R12: ffff88802d664900
R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff88801c943050
FS:  00007f61c5444700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2de23000 CR3: 000000001caa5000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 cm109_submit_buzz_toggle drivers/input/misc/cm109.c:351 [inline]
 cm109_toggle_buzzer_async drivers/input/misc/cm109.c:487 [inline]
 cm109_input_ev+0x1dc/0x3a0 drivers/input/misc/cm109.c:621
 input_handle_event+0x895/0x1510 drivers/input/input.c:376
 input_inject_event+0x1e8/0x280 drivers/input/input.c:471
 kd_sound_helper+0xfc/0x200 drivers/tty/vt/keyboard.c:242
 input_handler_for_each_handle+0xc8/0x160 drivers/input/input.c:2356
 kd_mksound+0x6c/0x140 drivers/tty/vt/keyboard.c:266
 do_con_trol drivers/tty/vt/vt.c:2152 [inline]
 do_con_write+0x3325/0xdee0 drivers/tty/vt/vt.c:2911
 con_write+0x20/0x40 drivers/tty/vt/vt.c:3255
 process_output_block drivers/tty/n_tty.c:595 [inline]
 n_tty_write+0xcc2/0x1160 drivers/tty/n_tty.c:2333
 do_tty_write drivers/tty/tty_io.c:962 [inline]
 tty_write+0x585/0x8f0 drivers/tty/tty_io.c:1046
 vfs_write+0x220/0xab0 fs/read_write.c:603
 ksys_write+0x11b/0x220 fs/read_write.c:658
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45deb9
Code: 0d b4 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 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f61c5443c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000000003a680 RCX: 000000000045deb9
RDX: 0000000000001006 RSI: 00000000200002c0 RDI: 0000000000000007
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffd5f57ac1f R14: 00007f61c54449c0 R15: 000000000118bf2c


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