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| author | jhb <jhb@FreeBSD.org> | 2013-09-12 20:46:32 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2013-09-12 20:46:32 +0000 |
| commit | 3c31e1fb755bb2eeb23ed1466712f9163ac3d525 (patch) | |
| tree | b11bbb147aa1319961464b5cc5d6efe0bcec3679 | |
| parent | 3e063dc0d0da1f946598c6894758a6ddf3de60f6 (diff) | |
| download | FreeBSD-src-3c31e1fb755bb2eeb23ed1466712f9163ac3d525.zip FreeBSD-src-3c31e1fb755bb2eeb23ed1466712f9163ac3d525.tar.gz | |
Fix an off-by-one error when populating mincore(2) entries for
skipped entries. lastvecindex references the last valid byte,
so the new bytes should come after it.
Approved by: re (kib)
MFC after: 1 week
| -rw-r--r-- | sys/vm/vm_mmap.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/vm/vm_mmap.c b/sys/vm/vm_mmap.c index 9548485..0f2d531 100644 --- a/sys/vm/vm_mmap.c +++ b/sys/vm/vm_mmap.c @@ -984,12 +984,12 @@ RestartScan: * the byte vector is zeroed for those skipped entries. */ while ((lastvecindex + 1) < vecindex) { + ++lastvecindex; error = subyte(vec + lastvecindex, 0); if (error) { error = EFAULT; goto done2; } - ++lastvecindex; } /* @@ -1025,12 +1025,12 @@ RestartScan: */ vecindex = OFF_TO_IDX(end - first_addr); while ((lastvecindex + 1) < vecindex) { + ++lastvecindex; error = subyte(vec + lastvecindex, 0); if (error) { error = EFAULT; goto done2; } - ++lastvecindex; } /* |
