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fs/ntfs3: Fixed overflow check in mi_enum_attr()

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[ Upstream commit 652cfeb43d6b9aba5c7c4902bed7a7340df131fb ]

Reported-by: Robert Morris <rtm@csail.mit.edu>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Konstantin Komarov 2024-01-26 11:14:31 +03:00 committed by Greg Kroah-Hartman
parent eac2e00f3c
commit 8c77398c72
1 changed files with 1 additions and 1 deletions
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2
fs/ntfs3/record.c
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@ -279,7 +279,7 @@ struct ATTRIB *mi_enum_attr(struct mft_inode *mi, struct ATTRIB *attr)
if (t16 > asize)
return NULL;
if (t16 + le32_to_cpu(attr->res.data_size) > asize)
if (le32_to_cpu(attr->res.data_size) > asize - t16)
return NULL;
t32 = sizeof(short) * attr->name_len;