diff options
| author | Konstantin Komarov <almaz.alexandrovich@paragon-software.com> | 2024-08-19 16:26:59 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-03-13 12:53:25 +0100 |
| commit | effac690913af9a6c3d6cd967281a34e47ed3e4c (patch) | |
| tree | 4ea5735bd3ed54eeeea927a97203a777bef2c513 | |
| parent | dbd3e4adb98e50ede74f00b3fa956fa29ef95e6c (diff) | |
fs/ntfs3: Add rough attr alloc_size check
commit c4a8ba334262e9a5c158d618a4820e1b9c12495c upstream.
Reported-by: syzbot+c6d94bedd910a8216d25@syzkaller.appspotmail.com
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Signed-off-by: Bin Lan <bin.lan.cn@windriver.com>
Signed-off-by: He Zhe <zhe.he@windriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | fs/ntfs3/record.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/ntfs3/record.c b/fs/ntfs3/record.c index b2b98631a000..bfb1f4c2f271 100644 --- a/fs/ntfs3/record.c +++ b/fs/ntfs3/record.c @@ -325,6 +325,9 @@ struct ATTRIB *mi_enum_attr(struct mft_inode *mi, struct ATTRIB *attr) } else { if (attr->nres.c_unit) return NULL; + + if (alloc_size > mi->sbi->volume.size) + return NULL; } return attr; |