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| author | Konstantin Komarov <almaz.alexandrovich@paragon-software.com> | 2024-08-19 16:26:59 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-11-08 16:28:20 +0100 |
| commit | e91fbb21f248bdd8140f343dac32b77b9bc10fec (patch) | |
| tree | 5543f5007fab4e546b4278ae46eb774d4c4f7400 | |
| parent | 898c8795ec4926c43fec90d17ec5768e8b210b41 (diff) | |
| download | linux-e91fbb21f248bdd8140f343dac32b77b9bc10fec.tar.gz linux-e91fbb21f248bdd8140f343dac32b77b9bc10fec.tar.bz2 linux-e91fbb21f248bdd8140f343dac32b77b9bc10fec.zip | |
fs/ntfs3: Add rough attr alloc_size check
[ Upstream commit c4a8ba334262e9a5c158d618a4820e1b9c12495c ]
Reported-by: syzbot+c6d94bedd910a8216d25@syzkaller.appspotmail.com
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Signed-off-by: Sasha Levin <sashal@kernel.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 2a375247b3c0..427c71be0f08 100644 --- a/fs/ntfs3/record.c +++ b/fs/ntfs3/record.c @@ -331,6 +331,9 @@ struct ATTRIB *mi_enum_attr(struct mft_inode *mi, struct ATTRIB *attr) if (attr->nres.c_unit) return NULL; + + if (alloc_size > mi->sbi->volume.size) + return NULL; } return attr; |