linux-kernel - Reminder: 5 open syzbot bugs in "net/x25" subsystem

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Message-ID: <20190724022857.GQ643@sol.localdomain>
Date:   Tue, 23 Jul 2019 19:28:57 -0700
From:   Eric Biggers <ebiggers@...nel.org>
To:     linux-x25@...r.kernel.org, netdev@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>
Cc:     linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Reminder: 5 open syzbot bugs in "net/x25" subsystem

[This email was generated by a script.  Let me know if you have any suggestions
to make it better, or if you want it re-generated with the latest status.]

Of the currently open syzbot reports against the upstream kernel, I've manually
marked 5 of them as possibly being bugs in the "net/x25" 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.

If you believe a bug is no longer valid, please close the syzbot report by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 "net/x25" subsystem, please let me
know, and if possible forward the report to the correct people or mailing list.

Here are the bugs:

--------------------------------------------------------------------------------
Title:              KASAN: null-ptr-deref Read in x25_connect
Last occurred:      0 days ago
Reported:           42 days ago
Branches:           net and net-next
Dashboard link:     https://syzkaller.appspot.com/bug?id=5b0ecf0386f56be7fe7210a14d0f62df765c0c39
Original thread:    https://lkml.kernel.org/lkml/0000000000007ce6f5058b0715ea@google.com/T/#u

Unfortunately, this bug does not have a reproducer.

The original thread for this bug has received 2 replies; the last was 42 days
ago.

If you fix this bug, please add the following tag to the commit:
    Reported-by: syzbot+777a2aab6ffd397407b5@...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/0000000000007ce6f5058b0715ea@google.com

--------------------------------------------------------------------------------
Title:              general protection fault in x25_connect
Last occurred:      23 days ago
Reported:           42 days ago
Branches:           net and net-next
Dashboard link:     https://syzkaller.appspot.com/bug?id=65f107a71a1cb5637149cd163a2919dd622f0d30
Original thread:    https://lkml.kernel.org/lkml/000000000000800bf0058b07151d@google.com/T/#u

Unfortunately, this bug does not have a reproducer.

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+2fde26e61fda58e5f88b@...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/000000000000800bf0058b07151d@google.com

--------------------------------------------------------------------------------
Title:              general protection fault in refcount_sub_and_test_checked
Last occurred:      59 days ago
Reported:           113 days ago
Branches:           net and net-next
Dashboard link:     https://syzkaller.appspot.com/bug?id=909a75efeca0594a7dd4356d84f147891407cda8
Original thread:    https://lkml.kernel.org/lkml/0000000000008424a205857b74ef@google.com/T/#u

Unfortunately, this bug does not have a reproducer.

No one replied to the original thread for this bug.

If you fix this bug, please add the following tag to the commit:
    Reported-by: syzbot+31b6a0f5d6d5c3b75948@...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/0000000000008424a205857b74ef@google.com

--------------------------------------------------------------------------------
Title:              KASAN: use-after-free Read in x25_write_internal
Last occurred:      154 days ago
Reported:           202 days ago
Branches:           net and net-next
Dashboard link:     https://syzkaller.appspot.com/bug?id=4f2fbe41c46efe42fad560f74913604ca8011d2d
Original thread:    https://lkml.kernel.org/lkml/0000000000006ee231057e779375@google.com/T/#u

Unfortunately, this bug does not have a reproducer.

No one replied to the original thread for this bug.

If you fix this bug, please add the following tag to the commit:
    Reported-by: syzbot+426b913e690764e50c83@...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/0000000000006ee231057e779375@google.com

--------------------------------------------------------------------------------
Title:              INFO: rcu detected stall in x25_connect
Last occurred:      152 days ago
Reported:           204 days ago
Branches:           net and net-next
Dashboard link:     https://syzkaller.appspot.com/bug?id=56a3e28b7cbfd2255f7b8c6483e7f7f9523a1a47
Original thread:    https://lkml.kernel.org/lkml/0000000000009b5ae5057e4cd7d1@google.com/T/#u

Unfortunately, this bug does not have a reproducer.

No one replied to the original thread for this bug.

If you fix this bug, please add the following tag to the commit:
    Reported-by: syzbot+564c57b4bf1df3ce1c94@...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/0000000000009b5ae5057e4cd7d1@google.com