linux-kernel - Reminder: 3 open syzbot bugs in input subsystem

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Date:   Wed, 26 Jun 2019 20:58:35 -0700
From:   Eric Biggers <ebiggers@...nel.org>
To:     linux-input@...r.kernel.org,
        Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:     linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Reminder: 3 open syzbot bugs in input subsystem

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Of the currently open syzbot reports against the upstream kernel, I've manually
marked 3 of them as possibly being bugs in the input subsystem.  I've listed
these reports below, sorted by an algorithm that tries to list first the reports
most likely to be still valid, important, and actionable.

Of these 3 bugs, 2 were seen in mainline in the last week.

If you believe a bug is no longer valid, please close the syzbot report by
sending a '#syz fix', '#syz dup', or '#syz invalid' command in reply to the
original thread, as explained at https://goo.gl/tpsmEJ#status

If you believe I misattributed a bug to the input subsystem, please let me know,
and if possible forward the report to the correct people or mailing list.

Here are the bugs:

--------------------------------------------------------------------------------
Title:              WARNING in aiptek_open/usb_submit_urb
Last occurred:      2 days ago
Reported:           19 days ago
Branches:           Mainline (with usb-fuzzer patches)
Dashboard link:     https://syzkaller.appspot.com/bug?id=0e35393fd821f0570b2a1663a01ac7bdcd15046a
Original thread:    https://lkml.kernel.org/lkml/0000000000001abc1c058ab95b3e@google.com/T/#u

This bug has a C reproducer.

No one has replied to the original thread for this bug yet.

This looks like a bug in an input USB driver.

If you fix this bug, please add the following tag to the commit:
    Reported-by: syzbot+75cccf2b7da87fb6f84b@...kaller.appspotmail.com

If you send any email or patch for this bug, please consider replying to the
original thread.  For the git send-email command to use, or tips on how to reply
if the thread isn't in your mailbox, see the "Reply instructions" at
https://lkml.kernel.org/r/0000000000001abc1c058ab95b3e@google.com

--------------------------------------------------------------------------------
Title:              INFO: trying to register non-static key in usbtouch_reset_resume
Last occurred:      6 days ago
Reported:           30 days ago
Branches:           Mainline (with usb-fuzzer patches)
Dashboard link:     https://syzkaller.appspot.com/bug?id=64fd387d8358406dc0037511ee44db159f6f1605
Original thread:    https://lkml.kernel.org/lkml/0000000000005463aa0589dcfb85@google.com/T/#u

This bug has a C reproducer.

No one has replied to the original thread for this bug yet.

This looks like a bug in an input USB driver.

If you fix this bug, please add the following tag to the commit:
    Reported-by: syzbot+933daad9be4e67ba91a9@...kaller.appspotmail.com

If you send any email or patch for this bug, please consider replying to the
original thread.  For the git send-email command to use, or tips on how to reply
if the thread isn't in your mailbox, see the "Reply instructions" at
https://lkml.kernel.org/r/0000000000005463aa0589dcfb85@google.com

--------------------------------------------------------------------------------
Title:              INFO: task hung in evdev_release
Last occurred:      246 days ago
Reported:           253 days ago
Branches:           Mainline and others
Dashboard link:     https://syzkaller.appspot.com/bug?id=ebbbff1dcac574b81f9fd5e07100a4879e5bf53d
Original thread:    https://lkml.kernel.org/lkml/000000000000f1be430578524a20@google.com/T/#u

This bug has a syzkaller reproducer only.

syzbot has bisected this bug, but I think the bisection result is incorrect.

The original thread for this bug received 1 reply, 86 days ago.

If you fix this bug, please add the following tag to the commit:
    Reported-by: syzbot+a979743610b4755d4d57@...kaller.appspotmail.com

If you send any email or patch for this bug, please consider replying to the
original thread.  For the git send-email command to use, or tips on how to reply
if the thread isn't in your mailbox, see the "Reply instructions" at
https://lkml.kernel.org/r/000000000000f1be430578524a20@google.com