autofs-5.0.7 - recheck valid map entry lookup return in do_readmap_mount() From: Ian Kent After looking for an expected existing valid map entry in do_readmap_mount() add a check in case it isn't found. If it actually isn't found (although it always should be) the only thing that can be done is log an error return. --- daemon/state.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/daemon/state.c b/daemon/state.c index 6e23022..ddc5556 100644 --- a/daemon/state.c +++ b/daemon/state.c @@ -405,6 +405,12 @@ static void do_readmap_mount(struct autofs_point *ap, struct mnt_list *mnts, me->key); cache_writelock(vmc); valid = cache_lookup_distinct(vmc, me->key); + if (!valid) { + cache_unlock(vmc); + error(ap->logopt, + "failed to find expected existing valid map entry"); + return; + } /* Take over the mount if there is one */ valid->ioctlfd = me->ioctlfd; me->ioctlfd = -1;