Reminder: 4 open syzbot bugs in "net/ax25" subsystem

[Eric Biggers]

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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 "net/ax25" 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If you believe a bug is no longer valid, please close the syzbot report by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/ax25" subsystem, please let me
know, and if possible forward the report to the correct people or mailing list.

Here are the bugs:

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Title:              general protection fault in ax25_send_frame
Last occurred:      0 days ago
Reported:           177 days ago
Branches:           Mainline and others
Dashboard link:     https://syzkaller.appspot.com/bug?id=1cdd5b120f129364fc8e9b2b027826cf99fa696e
Original thread:    https://lkml.kernel.org/lkml/0000000000009ea37c057e58d787@xxxxxxxxxx/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+e0b81535a27b8be39502@xxxxxxxxxxxxxxxxxxxxxxxxx

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/0000000000009ea37c057e58d787@xxxxxxxxxx

--------------------------------------------------------------------------------
Title:              KASAN: stack-out-of-bounds Write in ax25_getname
Last occurred:      63 days ago
Reported:           179 days ago
Branches:           Mainline and others
Dashboard link:     https://syzkaller.appspot.com/bug?id=fb195f91dc044978c1b186f1288b1eff61edcc20
Original thread:    https://lkml.kernel.org/lkml/000000000000ed4120057e2df0c6@xxxxxxxxxx/T/#u

This bug has a syzkaller reproducer only.

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+6a29097222b4d3b8617c@xxxxxxxxxxxxxxxxxxxxxxxxx

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/000000000000ed4120057e2df0c6@xxxxxxxxxx

--------------------------------------------------------------------------------
Title:              inconsistent lock state in ax25_std_heartbeat_expiry
Last occurred:      95 days ago
Reported:           93 days ago
Branches:           net
Dashboard link:     https://syzkaller.appspot.com/bug?id=9086a8eac930890b2730d6441093bd478e32913f
Original thread:    https://lkml.kernel.org/lkml/0000000000001b07250584efbee3@xxxxxxxxxx/T/#u

Unfortunately, this bug does not have a reproducer.

The original thread for this bug received 2 replies; the last was 92 days ago.

If you fix this bug, please add the following tag to the commit:
    Reported-by: syzbot+e350b81e95a6a214da8a@xxxxxxxxxxxxxxxxxxxxxxxxx

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/0000000000001b07250584efbee3@xxxxxxxxxx

--------------------------------------------------------------------------------
Title:              general protection fault in ax25_send_control
Last occurred:      170 days ago
Reported:           169 days ago
Branches:           net-next
Dashboard link:     https://syzkaller.appspot.com/bug?id=bacca5f8fe81f2486fb73fd9e130a3035dc46594
Original thread:    https://lkml.kernel.org/lkml/00000000000077264c057eec9ddd@xxxxxxxxxx/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+d0b03d6dbe11a950e0ce@xxxxxxxxxxxxxxxxxxxxxxxxx

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/00000000000077264c057eec9ddd@xxxxxxxxxx