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fs/ntfs3: Fixed overflow check in mi_enum_attr()

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commit 652cfeb43d6b9aba5c7c4902bed7a7340df131fb upstream.

Reported-by: Robert Morris <rtm@csail.mit.edu>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Konstantin Komarov
2024-01-26 11:14:31 +03:00
committed by Greg Kroah-Hartman
parent 1403991a40
commit e99faa9735
1 changed files with 1 additions and 1 deletions
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fs/ntfs3/record.c
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@@ -273,7 +273,7 @@ struct ATTRIB *mi_enum_attr(struct mft_inode *mi, struct ATTRIB *attr)
if (t16 > asize) if (t16 > asize)
return NULL; return NULL;
if (t16 + le32_to_cpu(attr->res.data_size) > asize) if (le32_to_cpu(attr->res.data_size) > asize - t16)
return NULL; return NULL;
if (attr->name_len && if (attr->name_len &&