Gitweb:
http://git.fedorahosted.org/git/gfs2-utils.git?p=gfs2-utils.git;a=commitd...
Commit: 4e79f08f455038bdfb962f941676b7d5d8c21ef8
Parent: 897437313adc8801b38ea42abc4fd07bd486ce3e
Author: Bob Peterson <rpeterso(a)redhat.com>
AuthorDate: Tue Feb 22 15:56:39 2011 -0600
Committer: Bob Peterson <rpeterso(a)redhat.com>
CommitterDate: Tue Feb 22 15:56:39 2011 -0600
fsck.gfs2: segfault in pass1b
The problem occurred when there were duplicate block
references in a dinode but all references in the duplicate
list are eventually deleted due to other corruption.
The fix is an additional check whether the list is empty.
rhbz#679076
---
gfs2/fsck/pass1b.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/gfs2/fsck/pass1b.c b/gfs2/fsck/pass1b.c
index 090b412..5bbda7c 100644
--- a/gfs2/fsck/pass1b.c
+++ b/gfs2/fsck/pass1b.c
@@ -542,7 +542,7 @@ static int handle_dup_blk(struct gfs2_sbd *sbp, struct duptree *b)
last_reference = clear_a_reference(sbp, b, &b->ref_inode_list,
&dh, 0);
- if (last_reference) {
+ if (last_reference && !osi_list_empty(&b->ref_inode_list)) {
uint8_t q;
/* If we're down to a single reference (and not all references