xfs: pass mp to XFS_WANT_CORRUPTED_RETURN
Today, if we hit an XFS_WANT_CORRUPTED_RETURN we don't print any
information about which filesystem hit it. Passing in the mp allows
us to print the filesystem (device) name, which is a pretty critical
piece of information.
Tested by running fsfuzzer 'til I hit some.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
diff --git a/fs/xfs/libxfs/xfs_dir2_data.c b/fs/xfs/libxfs/xfs_dir2_data.c
index 5ff31be..de1ea16 100644
--- a/fs/xfs/libxfs/xfs_dir2_data.c
+++ b/fs/xfs/libxfs/xfs_dir2_data.c
@@ -89,7 +89,7 @@
* so just ensure that the count falls somewhere inside the
* block right now.
*/
- XFS_WANT_CORRUPTED_RETURN(be32_to_cpu(btp->count) <
+ XFS_WANT_CORRUPTED_RETURN(mp, be32_to_cpu(btp->count) <
((char *)btp - p) / sizeof(struct xfs_dir2_leaf_entry));
break;
case cpu_to_be32(XFS_DIR3_DATA_MAGIC):
@@ -107,21 +107,21 @@
bf = ops->data_bestfree_p(hdr);
count = lastfree = freeseen = 0;
if (!bf[0].length) {
- XFS_WANT_CORRUPTED_RETURN(!bf[0].offset);
+ XFS_WANT_CORRUPTED_RETURN(mp, !bf[0].offset);
freeseen |= 1 << 0;
}
if (!bf[1].length) {
- XFS_WANT_CORRUPTED_RETURN(!bf[1].offset);
+ XFS_WANT_CORRUPTED_RETURN(mp, !bf[1].offset);
freeseen |= 1 << 1;
}
if (!bf[2].length) {
- XFS_WANT_CORRUPTED_RETURN(!bf[2].offset);
+ XFS_WANT_CORRUPTED_RETURN(mp, !bf[2].offset);
freeseen |= 1 << 2;
}
- XFS_WANT_CORRUPTED_RETURN(be16_to_cpu(bf[0].length) >=
+ XFS_WANT_CORRUPTED_RETURN(mp, be16_to_cpu(bf[0].length) >=
be16_to_cpu(bf[1].length));
- XFS_WANT_CORRUPTED_RETURN(be16_to_cpu(bf[1].length) >=
+ XFS_WANT_CORRUPTED_RETURN(mp, be16_to_cpu(bf[1].length) >=
be16_to_cpu(bf[2].length));
/*
* Loop over the data/unused entries.
@@ -134,18 +134,18 @@
* doesn't need to be there.
*/
if (be16_to_cpu(dup->freetag) == XFS_DIR2_DATA_FREE_TAG) {
- XFS_WANT_CORRUPTED_RETURN(lastfree == 0);
- XFS_WANT_CORRUPTED_RETURN(
+ XFS_WANT_CORRUPTED_RETURN(mp, lastfree == 0);
+ XFS_WANT_CORRUPTED_RETURN(mp,
be16_to_cpu(*xfs_dir2_data_unused_tag_p(dup)) ==
(char *)dup - (char *)hdr);
dfp = xfs_dir2_data_freefind(hdr, bf, dup);
if (dfp) {
i = (int)(dfp - bf);
- XFS_WANT_CORRUPTED_RETURN(
+ XFS_WANT_CORRUPTED_RETURN(mp,
(freeseen & (1 << i)) == 0);
freeseen |= 1 << i;
} else {
- XFS_WANT_CORRUPTED_RETURN(
+ XFS_WANT_CORRUPTED_RETURN(mp,
be16_to_cpu(dup->length) <=
be16_to_cpu(bf[2].length));
}
@@ -160,13 +160,13 @@
* The linear search is crude but this is DEBUG code.
*/
dep = (xfs_dir2_data_entry_t *)p;
- XFS_WANT_CORRUPTED_RETURN(dep->namelen != 0);
- XFS_WANT_CORRUPTED_RETURN(
+ XFS_WANT_CORRUPTED_RETURN(mp, dep->namelen != 0);
+ XFS_WANT_CORRUPTED_RETURN(mp,
!xfs_dir_ino_validate(mp, be64_to_cpu(dep->inumber)));
- XFS_WANT_CORRUPTED_RETURN(
+ XFS_WANT_CORRUPTED_RETURN(mp,
be16_to_cpu(*ops->data_entry_tag_p(dep)) ==
(char *)dep - (char *)hdr);
- XFS_WANT_CORRUPTED_RETURN(
+ XFS_WANT_CORRUPTED_RETURN(mp,
ops->data_get_ftype(dep) < XFS_DIR3_FT_MAX);
count++;
lastfree = 0;
@@ -183,14 +183,15 @@
be32_to_cpu(lep[i].hashval) == hash)
break;
}
- XFS_WANT_CORRUPTED_RETURN(i < be32_to_cpu(btp->count));
+ XFS_WANT_CORRUPTED_RETURN(mp,
+ i < be32_to_cpu(btp->count));
}
p += ops->data_entsize(dep->namelen);
}
/*
* Need to have seen all the entries and all the bestfree slots.
*/
- XFS_WANT_CORRUPTED_RETURN(freeseen == 7);
+ XFS_WANT_CORRUPTED_RETURN(mp, freeseen == 7);
if (hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC) ||
hdr->magic == cpu_to_be32(XFS_DIR3_BLOCK_MAGIC)) {
for (i = stale = 0; i < be32_to_cpu(btp->count); i++) {
@@ -198,13 +199,13 @@
cpu_to_be32(XFS_DIR2_NULL_DATAPTR))
stale++;
if (i > 0)
- XFS_WANT_CORRUPTED_RETURN(
+ XFS_WANT_CORRUPTED_RETURN(mp,
be32_to_cpu(lep[i].hashval) >=
be32_to_cpu(lep[i - 1].hashval));
}
- XFS_WANT_CORRUPTED_RETURN(count ==
+ XFS_WANT_CORRUPTED_RETURN(mp, count ==
be32_to_cpu(btp->count) - be32_to_cpu(btp->stale));
- XFS_WANT_CORRUPTED_RETURN(stale == be32_to_cpu(btp->stale));
+ XFS_WANT_CORRUPTED_RETURN(mp, stale == be32_to_cpu(btp->stale));
}
return 0;
}