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SubjectReminder: 4 open syzbot bugs in tty subsystem
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Of the currently open syzbot reports against the upstream kernel, I've manually
marked 4 of them as possibly being bugs in the tty 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 4 bugs, 2 were seen in mainline in the last week.

Of these 4 bugs, 1 was bisected to a commit from the following person:

DaeRyong Jeong <threeearcat@gmail.com>

If you believe a bug is no longer valid, please close the syzbot report by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 tty subsystem, please let me know,
and if possible forward the report to the correct people or mailing list.

Here are the bugs:

--------------------------------------------------------------------------------
Title: possible deadlock in console_unlock
Last occurred: 0 days ago
Reported: 412 days ago
Branches: Mainline and others
Dashboard link: https://syzkaller.appspot.com/bug?id=39ea6caa479af471183997376dc7e90bc7d64a6a
Original thread: https://lkml.kernel.org/lkml/00000000000087008b056df8fbb3@google.com/T/#u

This bug has a C reproducer.

The original thread for this bug received 19 replies; the last was 153 days ago.

If you fix this bug, please add the following tag to the commit:
Reported-by: syzbot+43e93968b964e369db0b@syzkaller.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/00000000000087008b056df8fbb3@google.com

--------------------------------------------------------------------------------
Title: possible deadlock in console_lock_spinning_enable
Last occurred: 0 days ago
Reported: 33 days ago
Branches: Mainline
Dashboard link: https://syzkaller.appspot.com/bug?id=2820deb61d92a8d7ab17a56ced58e963e65d76d0
Original thread: https://lkml.kernel.org/lkml/0000000000006c95c1058bbf7c3d@google.com/T/#u

This bug has a C reproducer.

This bug was bisected to:

commit b6da31b2c07c46f2dcad1d86caa835227a16d9ff
Author: DaeRyong Jeong <threeearcat@gmail.com>
Date: Mon Apr 30 15:27:04 2018 +0000

  tty: Fix data race in tty_insert_flip_string_fixed_flag

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

If you fix this bug, please add the following tag to the commit:
Reported-by: syzbot+3ed715090790806d8b18@syzkaller.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/0000000000006c95c1058bbf7c3d@google.com

--------------------------------------------------------------------------------
Title: memory leak in cfserl_create
Last occurred: 48 days ago
Reported: 48 days ago
Branches: Mainline
Dashboard link: https://syzkaller.appspot.com/bug?id=62bc71b5fa73349e2e6b6280eca9c9615ddeb585
Original thread: https://lkml.kernel.org/lkml/00000000000053d7e9058a97f4ca@google.com/T/#u

This bug has a syzkaller reproducer only.

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

If you fix this bug, please add the following tag to the commit:
Reported-by: syzbot+7ec324747ce876a29db6@syzkaller.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/00000000000053d7e9058a97f4ca@google.com

--------------------------------------------------------------------------------
Title: BUG: unable to handle kernel paging request in slhc_free
Last occurred: 89 days ago
Reported: 206 days ago
Branches: Mainline and others
Dashboard link: https://syzkaller.appspot.com/bug?id=ca98e815aabdd1494eacb048d649ffd4fc916e2e
Original thread: https://lkml.kernel.org/lkml/000000000000675cea057e201cbb@google.com/T/#u

This bug has a C reproducer.

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

The original thread for this bug received 1 reply, 129 days ago.

If you fix this bug, please add the following tag to the commit:
Reported-by: syzbot+6c5d567447bfa30f78e2@syzkaller.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/000000000000675cea057e201cbb@google.com

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