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autofs-5.0.7 - fix use cache entry after free mistake
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From: Ian Kent <ikent@redhat.com>
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Fix an obvious use after free mistake in lookup_prune_one_cache().
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---
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CHANGELOG | 1 +
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daemon/lookup.c | 7 +++++--
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2 files changed, 6 insertions(+), 2 deletions(-)
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diff --git a/CHANGELOG b/CHANGELOG
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index faf4c80..dc38580 100644
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--- a/CHANGELOG
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+++ b/CHANGELOG
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@@ -1,6 +1,7 @@
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??/??/2012 autofs-5.0.8
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=======================
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- fix nobind sun escaped map entries.
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+- fix use cache entry after free in lookup_prune_one_cache().
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25/07/2012 autofs-5.0.7
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=======================
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diff --git a/daemon/lookup.c b/daemon/lookup.c
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index 7909536..e3d9536 100644
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--- a/daemon/lookup.c
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+++ b/daemon/lookup.c
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@@ -1103,15 +1103,18 @@ void lookup_prune_one_cache(struct autofs_point *ap, struct mapent_cache *mc, ti
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if (valid)
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cache_delete(mc, key);
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else if (!is_mounted(_PROC_MOUNTS, path, MNTS_AUTOFS)) {
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+ dev_t devid = ap->dev;
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status = CHE_FAIL;
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+ if (ap->type == LKP_DIRECT)
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+ devid = this->dev;
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if (this->ioctlfd == -1)
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status = cache_delete(mc, key);
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if (status != CHE_FAIL) {
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if (ap->type == LKP_INDIRECT) {
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if (ap->flags & MOUNT_FLAG_GHOST)
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- rmdir_path(ap, path, ap->dev);
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+ rmdir_path(ap, path, devid);
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} else
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- rmdir_path(ap, path, this->dev);
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+ rmdir_path(ap, path, devid);
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}
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}
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cache_unlock(mc);
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