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From: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
To: "Aurélien Aptel" <aaptel@suse.com>,
	"viro@zeniv.linux.org.uk" <viro@zeniv.linux.org.uk>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>
Subject: RE: [PATCH] fs: NTFS read-write driver GPL implementation by Paragon Software.
Date: Thu, 20 Aug 2020 10:38:07 +0000
Message-ID: <5588b1f433bb4844ae4db776030d323f@paragon-software.com> (raw)
In-Reply-To: <87h7t5454n.fsf@suse.com>

From: Aurélien Aptel <aaptel@suse.com>
Sent: Friday, August 14, 2020 6:30 PM
> I've tried this using libntfs-3g mkfs.ntfs
> 
> # mkfs.ntfs /dev/vb1
> # mount -t ntfs3 /dev/vb1 /mnt
> 
> This already triggered UBSAN:
> Then I've tried to copy /etc into it:
> ...
> # cp -rp /etc /mnt
> 
> But this triggered a NULL ptr deref:
> 
>  BUG: kernel NULL pointer dereference, address: 0000000000000028

Thanks! This will be fixed in v2. To give some context: we use our mkfs utility in tests, coupled with a Windows-native one as a reference. P.S. Already have extended this approach with the current mkfs.ntfs utility as well.

  reply index

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-14 12:29 Konstantin Komarov
2020-08-14 13:17 ` Nikolay Borisov
2020-08-14 13:40 ` David Sterba
2020-08-20  9:26   ` Konstantin Komarov
2020-08-20 10:59   ` Konstantin Komarov
2020-08-14 14:08 ` Aurélien Aptel
2020-08-20 10:20   ` Konstantin Komarov
2020-08-14 15:30 ` Aurélien Aptel
2020-08-20 10:38   ` Konstantin Komarov [this message]
2020-08-15 19:06 ` David Sterba
2020-08-16  0:42   ` Matthew Wilcox
2020-08-20 10:48   ` Konstantin Komarov
2020-08-16  7:56 ` Pali Rohár

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