Author: jmg
Date: Wed Nov 20 21:16:53 2013
New Revision: 258402
URL: http://svnweb.freebsd.org/changeset/base/258402
Log:
fix a use after free, jsegdep_merge will free wk, avoid the next check...
CID: 1006098
Sponsored by: Imaginary Forces
Reviewed by: mckusick
MFC after: 1 week
Modified:
head/sys/ufs/ffs/ffs_softdep.c
Modified: head/sys/ufs/ffs/ffs_softdep.c
==============================================================================
--- head/sys/ufs/ffs/ffs_softdep.c Wed Nov 20 21:05:33 2013
(r258401)
+++ head/sys/ufs/ffs/ffs_softdep.c Wed Nov 20 21:16:53 2013
(r258402)
@@ -1096,7 +1096,7 @@ jwork_move(dst, src)
LIST_FOREACH_SAFE(wk, dst, wk_list, wkn) {
if (wk->wk_type == D_JSEGDEP)
jsegdep = jsegdep_merge(WK_JSEGDEP(wk), jsegdep);
- if (wk->wk_type == D_FREEDEP)
+ else if (wk->wk_type == D_FREEDEP)
freedep = freedep_merge(WK_FREEDEP(wk), freedep);
}
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