From: Konstantin Komarov almaz.alexandrovich@paragon-software.com
[ Upstream commit c4a8ba334262e9a5c158d618a4820e1b9c12495c ]
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 --- Verified the build test. --- fs/ntfs3/record.c | 3 +++ 1 file changed, 3 insertions(+)
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;