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autofs-5.1.8 - fix memory leak in update_hosts_mounts()
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From: Ian Kent <raven@themaw.net>
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Coverity has reported a memory leak in update_hosts_mounts() introduced
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by the map reload deadlock fix.
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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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modules/lookup_hosts.c | 13 +++++++------
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2 files changed, 8 insertions(+), 6 deletions(-)
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--- autofs-5.1.7.orig/CHANGELOG
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+++ autofs-5.1.7/CHANGELOG
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@@ -109,6 +109,7 @@
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- coverity fix for invalid access.
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- fix hosts map deadlock on restart.
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- fix deadlock with hosts map reload.
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+- fix memory leak in update_hosts_mounts().
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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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--- autofs-5.1.7.orig/modules/lookup_hosts.c
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+++ autofs-5.1.7/modules/lookup_hosts.c
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@@ -307,20 +307,21 @@ next:
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}
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pthread_cleanup_pop(1);
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- while (head) {
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+ entries = head;
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+ while (entries) {
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debug(ap->logopt, MODPREFIX
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- "attempt to update exports for %s", head->key);
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+ "attempt to update exports for %s", entries->key);
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master_source_current_wait(ap->entry);
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ap->entry->current = source;
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ap->flags |= MOUNT_FLAG_REMOUNT;
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- ret = ctxt->parse->parse_mount(ap, head->key, strlen(head->key),
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- head->entry, ctxt->parse->context);
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+ ret = ctxt->parse->parse_mount(ap, entries->key, strlen(entries->key),
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+ entries->entry, ctxt->parse->context);
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if (ret)
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warn(ap->logopt, MODPREFIX
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- "failed to parse mount %s", head->entry);
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+ "failed to parse mount %s", entries->entry);
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ap->flags &= ~MOUNT_FLAG_REMOUNT;
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- head = head->next;
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+ entries = entries->next;
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}
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pthread_cleanup_pop(1);
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}
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