From: Hrutvik Kanabar <hrkanabar@gmail.com>
To: Hrutvik Kanabar <hrutvik@google.com>
Cc: Marco Elver <elver@google.com>,
Aleksandr Nogikh <nogikh@google.com>,
kasan-dev@googlegroups.com,
Alexander Viro <viro@zeniv.linux.org.uk>,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
Theodore Ts'o <tytso@mit.edu>,
Andreas Dilger <adilger.kernel@dilger.ca>,
linux-ext4@vger.kernel.org, Chris Mason <clm@fb.com>,
Josef Bacik <josef@toxicpanda.com>,
David Sterba <dsterba@suse.com>,
linux-btrfs@vger.kernel.org, Jaegeuk Kim <jaegeuk@kernel.org>,
Chao Yu <chao@kernel.org>,
linux-f2fs-devel@lists.sourceforge.net,
"Darrick J . Wong" <djwong@kernel.org>,
linux-xfs@vger.kernel.org, Namjae Jeon <linkinjeon@kernel.org>,
Sungjong Seo <sj1557.seo@samsung.com>,
Anton Altaparmakov <anton@tuxera.com>,
linux-ntfs-dev@lists.sourceforge.net
Subject: [PATCH RFC 6/7] fs/ntfs: support `DISABLE_FS_CSUM_VERIFICATION` config option
Date: Fri, 14 Oct 2022 08:48:36 +0000 [thread overview]
Message-ID: <20221014084837.1787196-7-hrkanabar@gmail.com> (raw)
In-Reply-To: <20221014084837.1787196-1-hrkanabar@gmail.com>
From: Hrutvik Kanabar <hrutvik@google.com>
When `DISABLE_FS_CSUM_VERIFICATION` is enabled, bypass checksum
verification in `is_boot_sector_ntfs`.
Signed-off-by: Hrutvik Kanabar <hrutvik@google.com>
---
fs/ntfs/super.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/ntfs/super.c b/fs/ntfs/super.c
index 001f4e053c85..428c65ce9a80 100644
--- a/fs/ntfs/super.c
+++ b/fs/ntfs/super.c
@@ -582,7 +582,8 @@ static bool is_boot_sector_ntfs(const struct super_block *sb,
for (i = 0, u = (le32*)b; u < (le32*)(&b->checksum); ++u)
i += le32_to_cpup(u);
- if (le32_to_cpu(b->checksum) != i)
+ if (!IS_ENABLED(CONFIG_DISABLE_FS_CSUM_VERIFICATION) &&
+ le32_to_cpu(b->checksum) != i)
ntfs_warning(sb, "Invalid boot sector checksum.");
}
/* Check OEMidentifier is "NTFS " */
--
2.38.0.413.g74048e4d9e-goog
next prev parent reply other threads:[~2022-10-14 8:50 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-14 8:48 [PATCH RFC 0/7] fs: Debug config option to disable filesystem checksum verification for fuzzing Hrutvik Kanabar
2022-10-14 8:48 ` [PATCH RFC 1/7] fs: create `DISABLE_FS_CSUM_VERIFICATION` config option Hrutvik Kanabar
2022-10-14 8:48 ` [PATCH RFC 2/7] fs/ext4: support " Hrutvik Kanabar
2022-10-14 8:48 ` [PATCH RFC 3/7] fs/btrfs: " Hrutvik Kanabar
2022-10-14 10:23 ` Qu Wenruo
2022-10-17 8:43 ` Dmitry Vyukov
2022-10-17 9:35 ` Qu Wenruo
2022-10-14 8:48 ` [PATCH RFC 4/7] fs/exfat: " Hrutvik Kanabar
2022-10-14 8:48 ` [PATCH RFC 5/7] fs/xfs: " Hrutvik Kanabar
2022-10-14 15:44 ` Darrick J. Wong
2022-10-17 8:32 ` Dmitry Vyukov
2022-10-14 8:48 ` Hrutvik Kanabar [this message]
2022-10-14 8:48 ` [PATCH RFC 7/7] fs/f2fs: " Hrutvik Kanabar
2022-10-14 9:15 ` [PATCH RFC 0/7] fs: Debug config option to disable filesystem checksum verification for fuzzing David Sterba
2022-10-17 8:31 ` Dmitry Vyukov
2022-10-17 12:02 ` David Sterba
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