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Commit: e9a69100bf11c054baeb659ba9760c713d0162cb
Parent: 18c47dede44df18b6ebad1e1a20756e3ba498596
Author: Bob Peterson <rpeterso(a)redhat.com>
AuthorDate: Fri Jun 3 07:17:25 2011 -0500
Committer: Bob Peterson <rpeterso(a)redhat.com>
CommitterDate: Fri Jun 3 07:17:25 2011 -0500
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#679080
---
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 4d97879..7f79783 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