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autofs-5.1.7 - fix possible memory leak in mnts_add_amdmount()
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From: Ian Kent <raven@themaw.net>
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Coverity: leaked_storage: Variable "ext_mp" going out of scope leaks
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the storage it points to.
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Same applies to the other duped fields destined for the mnt_list struct.
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Signed-off-by: Ian Kent <raven@themaw.net>
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---
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CHANGELOG | 1 +
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lib/mounts.c | 20 ++++++++++----------
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2 files changed, 11 insertions(+), 10 deletions(-)
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diff --git a/CHANGELOG b/CHANGELOG
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index b797f6dc..2e3b9fd7 100644
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--- a/CHANGELOG
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+++ b/CHANGELOG
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@@ -53,6 +53,7 @@
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- add missing free in handle_mounts().
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- remove redundant if check.
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- fix possible memory leak in master_parse().
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+- fix possible memory leak in mnts_add_amdmount().
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25/01/2021 autofs-5.1.7
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- make bind mounts propagation slave by default.
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diff --git a/lib/mounts.c b/lib/mounts.c
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index c8a7bf00..ef69cec1 100644
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--- a/lib/mounts.c
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+++ b/lib/mounts.c
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@@ -1119,16 +1119,16 @@ struct mnt_list *mnts_add_amdmount(struct autofs_point *ap, struct amd_entry *en
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mnts_hash_mutex_lock();
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this = mnts_get_mount(entry->path);
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- if (this) {
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- this->ext_mp = ext_mp;
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- this->amd_pref = pref;
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- this->amd_type = type;
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- this->amd_opts = opts;
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- this->amd_cache_opts = entry->cache_opts;
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- this->flags |= MNTS_AMD_MOUNT;
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- if (list_empty(&this->amdmount))
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- list_add_tail(&this->amdmount, &ap->amdmounts);
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- }
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+ if (!this)
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+ goto fail;
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+ this->ext_mp = ext_mp;
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+ this->amd_pref = pref;
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+ this->amd_type = type;
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+ this->amd_opts = opts;
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+ this->amd_cache_opts = entry->cache_opts;
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+ this->flags |= MNTS_AMD_MOUNT;
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+ if (list_empty(&this->amdmount))
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+ list_add_tail(&this->amdmount, &ap->amdmounts);
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mnts_hash_mutex_unlock();
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return this;
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