From: "Pedro Falcato" <pedro.falcato@gmail.com>
To: Savva Mitrofanov <savvamtr@gmail.com>
Cc: devel@edk2.groups.io, "Marvin Häuser" <mhaeuser@posteo.de>,
"Vitaly Cheptsov" <vit9696@protonmail.com>
Subject: Re: [edk2-platforms][PATCH v1 09/12] Ext4Pkg: Correct integer overflow check on multiplication in DiskUtil
Date: Fri, 9 Dec 2022 22:16:08 +0000 [thread overview]
Message-ID: <CAKbZUD2746Xc=pgMXyaOxZjqwaKwSGdnAHFkcm18xbTrsey4gQ@mail.gmail.com> (raw)
In-Reply-To: <20221209161104.70220-10-savvamtr@gmail.com>
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On Fri, Dec 9, 2022 at 4:11 PM Savva Mitrofanov <savvamtr@gmail.com> wrote:
> Multiplication overflow could result into small numbers, so we need also
> check it
>
Can you fix the commit message? Overflow was (in theory) already getting
checked, I just did a remarkably poor job open-coding it.
Pedro
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next prev parent reply other threads:[~2022-12-09 22:16 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-09 16:10 [edk2-platforms][PATCH v1 00/12] Ext4Pkg: Code correctness and security improvements Savva Mitrofanov
2022-12-09 16:10 ` [edk2-platforms][PATCH v1 01/12] Ext4Pkg: Fix memory leak in Ext4RetrieveDirent Savva Mitrofanov
2022-12-09 16:10 ` [edk2-platforms][PATCH v1 02/12] Ext4Pkg: Move EXT4_NAME_MAX definition to Ext4Disk.h Savva Mitrofanov
2022-12-09 16:10 ` [edk2-platforms][PATCH v1 03/12] Ext4Pkg: Fix global buffer overflow in Ext4ReadDir Savva Mitrofanov
2022-12-09 16:10 ` [edk2-platforms][PATCH v1 04/12] Ext4Pkg: Fix incorrect checksum metadata feature check Savva Mitrofanov
2022-12-09 16:10 ` [edk2-platforms][PATCH v1 05/12] Ext4Pkg: Fix division by zero by adding check for s_inodes_per_group Savva Mitrofanov
2022-12-09 16:10 ` [edk2-platforms][PATCH v1 06/12] Ext4Pkg: Add comparison between Position and FileSize in Ext4SetPosition Savva Mitrofanov
2022-12-09 22:12 ` Pedro Falcato
2022-12-12 11:44 ` Savva Mitrofanov
2022-12-09 16:10 ` [edk2-platforms][PATCH v1 07/12] Ext4Pkg: Add inode number validity check Savva Mitrofanov
2022-12-09 16:11 ` [edk2-platforms][PATCH v1 08/12] Ext4Pkg: Fix shift out of bounds in Ext4OpenSuperblock Savva Mitrofanov
2022-12-09 16:11 ` [edk2-platforms][PATCH v1 09/12] Ext4Pkg: Correct integer overflow check on multiplication in DiskUtil Savva Mitrofanov
2022-12-09 22:16 ` Pedro Falcato [this message]
2022-12-09 16:11 ` [edk2-platforms][PATCH v1 10/12] Ext4Pkg: Check that source file is directory in Ext4OpenInternal Savva Mitrofanov
2022-12-09 16:11 ` [edk2-platforms][PATCH v1 11/12] Ext4Pkg: Check VolumeName allocation correctness in Ext4GetVolumeName Savva Mitrofanov
2022-12-09 16:11 ` [edk2-platforms][PATCH v1 12/12] Ext4Pkg: Add missing exit Status in Ext4OpenDirent Savva Mitrofanov
2022-12-09 22:28 ` [edk2-platforms][PATCH v1 00/12] Ext4Pkg: Code correctness and security improvements Pedro Falcato
2022-12-12 14:40 ` Savva Mitrofanov
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