[Cluster-devel] cluster/gfs2/fsck metawalk.c
rpeterso at sourceware.org
rpeterso at sourceware.org
Mon Feb 26 19:20:46 UTC 2007
CVSROOT: /cvs/cluster
Module name: cluster
Branch: RHEL5
Changes by: rpeterso at sourceware.org 2007-02-26 19:20:46
Modified files:
gfs2/fsck : metawalk.c
Log message:
Resolves bz: 229222: gfs2_fsck stuck in infinite loop
Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs2/fsck/metawalk.c.diff?cvsroot=cluster&only_with_tag=RHEL5&r1=1.3.2.4&r2=1.3.2.5
--- cluster/gfs2/fsck/metawalk.c 2007/01/23 19:54:23 1.3.2.4
+++ cluster/gfs2/fsck/metawalk.c 2007/02/26 19:20:46 1.3.2.5
@@ -96,6 +96,15 @@
}
}
+ if (de.de_rec_len < sizeof(struct gfs2_dirent)) {
+ log_err("Entry %" PRIu64 "(0x%"
+ PRIx64 ") of directory %" PRIu64 "(0x%"
+ PRIx64 ") is corrupt, skipping.\n",
+ bh->b_blocknr, bh->b_blocknr,
+ ip->i_di.di_num.no_addr,
+ ip->i_di.di_num.no_addr);
+ break;
+ }
if ((char *)dent + de.de_rec_len >= bh_end){
log_debug("Last entry processed.\n");
break;
@@ -180,6 +189,15 @@
*update = updated;
}
+ /* Make sure it's really a leaf. */
+ if (leaf.lf_header.mh_type != GFS2_METATYPE_LF) {
+ log_err("Inode %" PRIu64 " (0x%"
+ PRIx64 ") points to bad leaf "
+ PRIu64 " (0x%" PRIx64 ").\n",
+ ip->i_di.di_num.no_addr, leaf_no);
+ brelse(lbh, *update);
+ break;
+ }
exp_count = (1 << (ip->i_di.di_depth - leaf.lf_depth));
log_debug("expected count %u - di_depth %u, leaf depth %u\n",
exp_count, ip->i_di.di_depth, leaf.lf_depth);
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