linux-kernel - Re: [PATCH v2] fs/hfs: fix s_fs_info leak on setup_bdev

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Message-ID: <cd4f1173-d5c3-42c1-8753-fb7b6c6ebad8@gmail.com>
Date: Tue, 20 Jan 2026 14:52:06 +0100
From: Mehdi Ben Hadj Khelifa <mehdi.benhadjkhelifa@...il.com>
To: Viacheslav Dubeyko <Slava.Dubeyko@....com>,
 "brauner@...nel.org" <brauner@...nel.org>
Cc: "jack@...e.cz" <jack@...e.cz>, "khalid@...nel.org" <khalid@...nel.org>,
 "frank.li@...o.com" <frank.li@...o.com>,
 "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
 "slava@...eyko.com" <slava@...eyko.com>,
 "david.hunter.linux@...il.com" <david.hunter.linux@...il.com>,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
 "linux-kernel-mentees@...ts.linuxfoundation.org"
 <linux-kernel-mentees@...ts.linuxfoundation.org>,
 "viro@...iv.linux.org.uk" <viro@...iv.linux.org.uk>,
 "skhan@...uxfoundation.org" <skhan@...uxfoundation.org>,
 "syzbot+ad45f827c88778ff7df6@...kaller.appspotmail.com"
 <syzbot+ad45f827c88778ff7df6@...kaller.appspotmail.com>,
 "glaubitz@...sik.fu-berlin.de" <glaubitz@...sik.fu-berlin.de>
Subject: Re: [PATCH v2] fs/hfs: fix s_fs_info leak on setup_bdev_super()
 failure

On 1/19/26 9:55 PM, Viacheslav Dubeyko wrote:
> On Mon, 2026-01-19 at 22:34 +0100, Mehdi Ben Hadj Khelifa wrote:
>> On 1/19/26 7:27 PM, Viacheslav Dubeyko wrote:
>>>
> 
> <skipped>
> 
>>>
>> I have ran xfstests on both my desktop and laptop on the for-next branch
>> for the repository that you have mentionned and I didn't have any crash
>> or issue. Here is the test results(identical for both desktop and laptop):
>> FSTYP         -- hfsplus
>> PLATFORM      -- Linux/x86_64 bhk 6.19.0-rc1-00008-ged8889ca21b6 #1 SMP
>> PREEMPT_DYNAMIC Mon Jan 19 20:53:58 CET 2026
>> MKFS_OPTIONS  -- /dev/loop1
>> MOUNT_OPTIONS -- /dev/loop1 /mnt/scratch
>>
>> generic/001  2s ...  2s
>> generic/002  1s ...  1s
>> <skip>
>> Failed 51 of 772 tests
>>
> 
> The 51 failed xfstests is expected situation. However, if you apply [1,2] on
> xfstests code base, then you could have around 31 failed xfeststs for HFS+.
> 
I have applied both patches and got the expected results on my desktop 
and laptop:
Failed 31 of 772 tests
I can confirm that indeed those patches fix 20 of the previously failed 
tests.
> Thanks,
> Slava.
> 
Best Regards,
Mehdi Ben hadj Khelifa
>> Many tests were skipped of course. If you want full output I can send
>> you that.But for now the issue seem to be resolved (for hfsplus at least
>> I'm not sure about hfs since I still can't test it on my system).
>> Thanks for your efforts slava.
>>
>>
> 
> [1]
> https://lore.kernel.org/linux-fsdevel/20260118180519.xdddwoke2tey6ogt@dell-per750-06-vm-08.rhts.eng.pek2.redhat.com/
> [2]
> https://lore.kernel.org/linux-fsdevel/20251231224937.uu67l76cytcd36ns@dell-per750-06-vm-08.rhts.eng.pek2.redhat.com/