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* Re: KASAN: invalid-free in io_sqe_files_unregister
       [not found] <0000000000003659ef0596fa4cae@google.com>
@ 2019-11-10 11:49 ` syzbot
  2019-11-10 15:46   ` Jens Axboe
  0 siblings, 1 reply; 2+ messages in thread
From: syzbot @ 2019-11-10 11:49 UTC (permalink / raw)
  To: axboe, io-uring, linux-block, linux-fsdevel, linux-kernel,
	syzkaller-bugs, viro

syzbot has bisected this bug to:

commit 65e19f54d29cd8559ce60cfd0d751bef7afbdc5c
Author: Jens Axboe <axboe@kernel.dk>
Date:   Sat Oct 26 13:20:21 2019 +0000

     io_uring: support for larger fixed file sets

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=154f483ce00000
start commit:   5591cf00 Add linux-next specific files for 20191108
git tree:       linux-next
final crash:    https://syzkaller.appspot.com/x/report.txt?x=174f483ce00000
console output: https://syzkaller.appspot.com/x/log.txt?x=134f483ce00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=e1036c6ef52866f9
dashboard link: https://syzkaller.appspot.com/bug?extid=3254bc44113ae1e331ee
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=116bb33ae00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=173f133ae00000

Reported-by: syzbot+3254bc44113ae1e331ee@syzkaller.appspotmail.com
Fixes: 65e19f54d29c ("io_uring: support for larger fixed file sets")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection

^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: KASAN: invalid-free in io_sqe_files_unregister
  2019-11-10 11:49 ` KASAN: invalid-free in io_sqe_files_unregister syzbot
@ 2019-11-10 15:46   ` Jens Axboe
  0 siblings, 0 replies; 2+ messages in thread
From: Jens Axboe @ 2019-11-10 15:46 UTC (permalink / raw)
  To: syzbot, io-uring, linux-block, linux-fsdevel, linux-kernel,
	syzkaller-bugs, viro

On 11/10/19 4:49 AM, syzbot wrote:
> syzbot has bisected this bug to:
> 
> commit 65e19f54d29cd8559ce60cfd0d751bef7afbdc5c
> Author: Jens Axboe <axboe@kernel.dk>
> Date:   Sat Oct 26 13:20:21 2019 +0000
> 
>       io_uring: support for larger fixed file sets
> 
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=154f483ce00000
> start commit:   5591cf00 Add linux-next specific files for 20191108
> git tree:       linux-next
> final crash:    https://syzkaller.appspot.com/x/report.txt?x=174f483ce00000
> console output: https://syzkaller.appspot.com/x/log.txt?x=134f483ce00000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=e1036c6ef52866f9
> dashboard link: https://syzkaller.appspot.com/bug?extid=3254bc44113ae1e331ee
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=116bb33ae00000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=173f133ae00000
> 
> Reported-by: syzbot+3254bc44113ae1e331ee@syzkaller.appspotmail.com
> Fixes: 65e19f54d29c ("io_uring: support for larger fixed file sets")
> 
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection

Thanks, I queued up a fix:

https://git.kernel.dk/cgit/linux-block/commit/?h=for-5.5/io_uring&id=fc2a85cb02efd7bdbd09ea5d2d9847937da7bff7

-- 
Jens Axboe


^ permalink raw reply	[flat|nested] 2+ messages in thread

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2019-11-10 11:49 ` KASAN: invalid-free in io_sqe_files_unregister syzbot
2019-11-10 15:46   ` Jens Axboe

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