41 lines
1.2 KiB
Diff
41 lines
1.2 KiB
Diff
|
autofs-5.1.4 - fix incorrect locking in sss lookup
|
||
|
|
|
||
|
|
From: Ian Kent <raven@themaw.net>
|
||
|
|
|
||
|
|
Commit 766e0f6c4, autofs-5.0.7 - fix fix wildcard multi map regression,
|
||
|
|
introduced a deadlock during restart when the sss modules is used.
|
||
|
|
|
||
|
|
Looking at the comment above the code which takes the lock it clearly
|
||
|
|
does this incorrectly.
|
||
|
|
|
||
|
|
Signed-off-by: Ian Kent <raven@themaw.net>
|
||
|
|
---
|
||
|
|
CHANGELOG | 1 +
|
||
|
|
modules/lookup_sss.c | 4 ++--
|
||
|
|
2 files changed, 3 insertions(+), 2 deletions(-)
|
||
|
|
|
||
|
|
--- autofs-5.1.4.orig/CHANGELOG
|
||
|
|
+++ autofs-5.1.4/CHANGELOG
|
||
|
|
@@ -34,6 +34,7 @@ xx/xx/2018 autofs-5.1.5
|
||
|
|
- add master map pseudo options for mount propagation.
|
||
|
|
- fix age setting at startup.
|
||
|
|
- fix use after free in parse_ldap_config().
|
||
|
|
+- fix incorrect locking in sss lookup.
|
||
|
|
|
||
|
|
19/12/2017 autofs-5.1.4
|
||
|
|
- fix spec file url.
|
||
|
|
--- autofs-5.1.4.orig/modules/lookup_sss.c
|
||
|
|
+++ autofs-5.1.4/modules/lookup_sss.c
|
||
|
|
@@ -786,9 +786,9 @@ int lookup_mount(struct autofs_point *ap
|
||
|
|
* when we're starting up so just take the readlock in that
|
||
|
|
*/
|
||
|
|
if (ap->flags & MOUNT_FLAG_REMOUNT)
|
||
|
|
- cache_writelock(mc);
|
||
|
|
- else
|
||
|
|
cache_readlock(mc);
|
||
|
|
+ else
|
||
|
|
+ cache_writelock(mc);
|
||
|
|
me = cache_lookup(mc, key);
|
||
|
|
/* Stale mapent => check for entry in alternate source or wildcard */
|
||
|
|
if (me && !me->mapent) {
|