diff options
Diffstat (limited to 'fs/ntfs3/fslog.c')
| -rw-r--r-- | fs/ntfs3/fslog.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/ntfs3/fslog.c b/fs/ntfs3/fslog.c index 200e22b7871d..d94c071324a8 100644 --- a/fs/ntfs3/fslog.c +++ b/fs/ntfs3/fslog.c @@ -2727,6 +2727,9 @@ static inline bool check_attr(const struct MFT_REC *rec, return false; } + if (run_off > asize) + return false; + if (run_unpack(NULL, sbi, 0, svcn, evcn, svcn, Add2Ptr(attr, run_off), asize - run_off) < 0) { return false; @@ -4769,6 +4772,12 @@ fake_attr: u16 roff = le16_to_cpu(attr->nres.run_off); CLST svcn = le64_to_cpu(attr->nres.svcn); + if (roff > t32) { + kfree(oa->attr); + oa->attr = NULL; + goto fake_attr; + } + err = run_unpack(&oa->run0, sbi, inode->i_ino, svcn, le64_to_cpu(attr->nres.evcn), svcn, Add2Ptr(attr, roff), t32 - roff); |