lkml.org 
[lkml]   [2018]   [Jan]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: possible deadlock (4)
On Mon, Jan 15, 2018 at 9:46 AM, syzbot
<syzbot+a9b2d0e21403c12cb074@syzkaller.appspotmail.com> wrote:
> Hello,
>
> syzkaller hit the following crash on
> 2c1cfa49901839136e578ca516a7e230182da024
> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/master
> compiler: gcc (GCC) 7.1.1 20170620
> .config is attached
> Raw console output is attached.
> C reproducer is attached
> syzkaller reproducer is attached. See https://goo.gl/kgGztJ
> for information about syzkaller reproducers
>
>
> IMPORTANT: if you fix the bug, please add the following tag to the commit:
> Reported-by: syzbot+a9b2d0e21403c12cb074@syzkaller.appspotmail.com
> It will help syzbot understand when the bug is fixed. See footer for
> details.
> If you forward the report, please keep this part and the footer.

#syz dup: possible deadlock in shmem_file_llseek

+ashmem maintainers

> audit: type=1400 audit(1515952945.475:8): avc: denied { map } for
> pid=3656 comm="syzkaller443286" path="/dev/ashmem" dev="devtmpfs" ino=8948
> scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023
> tcontext=system_u:object_r:device_t:s0 tclass=chr_file permissive=1
>
> ======================================================
> WARNING: possible circular locking dependency detected
> 4.15.0-rc7+ #261 Not tainted
> ----------------------------------------------
>
>
> ---
> This bug is generated by a dumb bot. It may contain errors.
> See https://goo.gl/tpsmEJ for details.
> Direct all questions to syzkaller@googlegroups.com.
>
> syzbot will keep track of this bug report.
> If you forgot to add the Reported-by tag, once the fix for this bug is
> merged
> into any tree, please reply to this email with:
> #syz fix: exact-commit-title
> If you want to test a patch for this bug, please reply with:
> #syz test: git://repo/address.git branch
> and provide the patch inline or as an attachment.
> To mark this as a duplicate of another syzbot report, please reply with:
> #syz dup: exact-subject-of-another-report
> If it's a one-off invalid bug report, please reply with:
> #syz invalid
> Note: if the crash happens again, it will cause creation of a new bug
> report.
> Note: all commands must start from beginning of the line in the email body.
>
> --
> You received this message because you are subscribed to the Google Groups
> "syzkaller-bugs" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to syzkaller-bugs+unsubscribe@googlegroups.com.
> To view this discussion on the web visit
> https://groups.google.com/d/msgid/syzkaller-bugs/001a113de374de24f00562cca7c4%40google.com.
> For more options, visit https://groups.google.com/d/optout.

\
 
 \ /
  Last update: 2018-01-15 09:49    [W:0.031 / U:1.512 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site