autofs/autofs-5.1.8-fix-fix-root-o...

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1.1 KiB
Diff

autofs-5.1.8 - fix fix root offset error handling
From: Ian Kent <raven@themaw.net>
The change to fix root offset error handlling is missing a cache read
lock prior to the key lookup, the following unmatched unlock then
causes a hang.
Signed-off-by: Ian Kent <raven@themaw.net>
---
CHANGELOG | 1 +
daemon/direct.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/CHANGELOG b/CHANGELOG
index 6f18a0bb..f81b0259 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -3,6 +3,7 @@
- fix set open file limit.
- improve descriptor open error reporting.
- fix root offset error handling.
+- fix fix root offset error handling.
19/10/2021 autofs-5.1.8
- add xdr_exports().
diff --git a/daemon/direct.c b/daemon/direct.c
index 8810900c..cf3f24d7 100644
--- a/daemon/direct.c
+++ b/daemon/direct.c
@@ -1275,6 +1275,7 @@ static void *do_mount_direct(void *arg)
/* If this is a multi-mount subtree mount failure
* ensure the tree continues to expire.
*/
+ cache_readlock(mt.mc);
me = cache_lookup_distinct(mt.mc, mt.name);
if (me && IS_MM(me) && !IS_MM_ROOT(me))
conditional_alarm_add(ap, ap->exp_runfreq);