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From: rpeterso@sourceware.org <rpeterso@sourceware.org>
To: cluster-devel.redhat.com
Subject: [Cluster-devel] cluster/gfs2/fsck metawalk.c
Date: 23 Jan 2007 19:44:13 -0000	[thread overview]
Message-ID: <20070123194413.2552.qmail@sourceware.org> (raw)

CVSROOT:	/cvs/cluster
Module name:	cluster
Changes by:	rpeterso at sourceware.org	2007-01-23 19:44:12

Modified files:
	gfs2/fsck      : metawalk.c 

Log message:
	Resolves: bz 223843 GFS2: gfs2_fsck segfaulting on corrupt extended
	attributes

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs2/fsck/metawalk.c.diff?cvsroot=cluster&r1=1.6&r2=1.7

--- cluster/gfs2/fsck/metawalk.c	2006/11/20 15:35:12	1.6
+++ cluster/gfs2/fsck/metawalk.c	2007/01/23 19:44:12	1.7
@@ -247,6 +247,7 @@
 	uint64_t *ea_data_ptr = NULL;
 	int i;
 	int error = 0;
+	uint32_t offset = (uint32_t)sizeof(struct gfs2_meta_header);
 
 	if(!pass->check_eattr_entry) {
 		return 0;
@@ -287,11 +288,11 @@
 				}
 			}
 		}
-		if(ea_hdr->ea_flags & GFS2_EAFLAG_LAST){
-			/* FIXME: better equal the end of the block */
+		offset += be32_to_cpu(ea_hdr->ea_rec_len);
+		if(ea_hdr->ea_flags & GFS2_EAFLAG_LAST ||
+		   offset >= ip->i_sbd->sd_sb.sb_bsize || ea_hdr->ea_rec_len == 0){
 			break;
 		}
-		/* FIXME: be sure this doesn't go beyond the end */
 		ea_hdr_prev = ea_hdr;
 		ea_hdr = (struct gfs2_ea_header *)
 			((char *)(ea_hdr) +



             reply	other threads:[~2007-01-23 19:44 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-23 19:44 rpeterso [this message]
  -- strict thread matches above, loose matches on Subject: below --
2007-02-26 19:20 [Cluster-devel] cluster/gfs2/fsck metawalk.c rpeterso
2007-02-26 19:19 rpeterso
2007-01-23 19:54 rpeterso
2006-11-20 21:46 rpeterso
2006-11-20 21:30 rpeterso
2006-11-20 15:44 rohara
2006-11-20 15:35 rpeterso
2006-11-16 20:12 rohara
2006-11-16 19:56 rohara
2006-11-14 22:55 rpeterso
2006-11-14 22:51 rpeterso

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