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* Re: [syzbot] [ext4?] KASAN: out-of-bounds Read in ext4_ext_remove_space
       [not found] <0000000000001655710600710dd0@google.com>
@ 2024-02-11 13:54 ` syzbot
  2024-02-12 13:27   ` Jan Kara
  0 siblings, 1 reply; 2+ messages in thread
From: syzbot @ 2024-02-11 13:54 UTC (permalink / raw)
  To: achender, achender, adilger.kernel, alex, axboe, brauner, jack,
	kernel, linux-ext4, linux-fsdevel, linux-kernel, stable,
	syzkaller-bugs, tytso, usama.anjum

syzbot suspects this issue was fixed by commit:

commit 6f861765464f43a71462d52026fbddfc858239a5
Author: Jan Kara <jack@suse.cz>
Date:   Wed Nov 1 17:43:10 2023 +0000

    fs: Block writes to mounted block devices

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1764f648180000
start commit:   e6fda526d9db Merge tag 'arm64-fixes' of git://git.kernel.o..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=1e3d5175079af5a4
dashboard link: https://syzkaller.appspot.com/bug?extid=6e5f2db05775244c73b7
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16a56679a80000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=14d76b5da80000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: fs: Block writes to mounted block devices

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

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

* Re: [syzbot] [ext4?] KASAN: out-of-bounds Read in ext4_ext_remove_space
  2024-02-11 13:54 ` [syzbot] [ext4?] KASAN: out-of-bounds Read in ext4_ext_remove_space syzbot
@ 2024-02-12 13:27   ` Jan Kara
  0 siblings, 0 replies; 2+ messages in thread
From: Jan Kara @ 2024-02-12 13:27 UTC (permalink / raw)
  To: syzbot
  Cc: achender, achender, adilger.kernel, alex, axboe, brauner, jack,
	kernel, linux-ext4, linux-fsdevel, linux-kernel, stable,
	syzkaller-bugs, tytso, usama.anjum

On Sun 11-02-24 05:54:02, syzbot wrote:
> syzbot suspects this issue was fixed by commit:
> 
> commit 6f861765464f43a71462d52026fbddfc858239a5
> Author: Jan Kara <jack@suse.cz>
> Date:   Wed Nov 1 17:43:10 2023 +0000
> 
>     fs: Block writes to mounted block devices
> 
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1764f648180000
> start commit:   e6fda526d9db Merge tag 'arm64-fixes' of git://git.kernel.o..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=1e3d5175079af5a4
> dashboard link: https://syzkaller.appspot.com/bug?extid=6e5f2db05775244c73b7
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16a56679a80000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=14d76b5da80000
> 
> If the result looks correct, please mark the issue as fixed by replying with:

Yes, the reproducer seems to be corrupting the image:
 
#syz fix: fs: Block writes to mounted block devices

								Honza
-- 
Jan Kara <jack@suse.com>
SUSE Labs, CR

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

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2024-02-11 13:54 ` [syzbot] [ext4?] KASAN: out-of-bounds Read in ext4_ext_remove_space syzbot
2024-02-12 13:27   ` Jan Kara

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