On Thu, 25 Aug 2022 23:55:35 +0530 syzbot wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: c40e8341e3b3 Merge tag 'cgroup-for-6.0-rc2-fixes' of git:/..
> git tree: upstream
> console+strace: https://syzkaller.appspot.com/x/log.txt?x=161114c7080000
> kernel config: https://syzkaller.appspot.com/x/.config?x=911efaff115942bb
> dashboard link: https://syzkaller.appspot.com/bug?extid=5f8dcabe4a3b2c51c607
> compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14dd8265080000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11f30033080000
>
> The issue was bisected to:
>
> commit 38c9c22a85aeed28d0831f230136e9cf6fa2ed44
> Author: ChenXiaoSong [email protected]>
> Date: Thu Jul 7 10:53:29 2022 +0000
>
> ntfs: fix use-after-free in ntfs_ucsncmp()
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16f6cd8d080000
> final oops: https://syzkaller.appspot.com/x/report.txt?x=15f6cd8d080000
> console output: https://syzkaller.appspot.com/x/log.txt?x=11f6cd8d080000
>
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: [email protected]
> Fixes: 38c9c22a85ae ("ntfs: fix use-after-free in ntfs_ucsncmp()")
This is incorrect. The issue is caused by:
9b75450d6c58 ("fs/ntfs3: Fix memory leak if fill_super failed")
The fix for this can be seen by the two different patches tested by syzbot, which
are listed on the dashboard.
Thanks,
Siddh
On Fri, 26 Aug 2022 00:02:07 +0530 Siddh Raman Pant wrote:
> This is incorrect. The issue is caused by:
> 9b75450d6c58 ("fs/ntfs3: Fix memory leak if fill_super failed")
>
Please ignore. I mistook this for another thread.
Extremely sorry,
Siddh