autofs/SOURCES/autofs-5.1.7-fix-is-mounted-check-on-non-existent-path.patch

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2021-11-04 00:41:29 +00:00
autofs-5.1.7 - fix is mounted check on non existent path
From: Ian Kent <raven@themaw.net>
When checking if a path is a mount point the case of a non-existent path
was not being handled.
Signed-off-by: Ian Kent <raven@themaw.net>
---
CHANGELOG | 1 +
lib/dev-ioctl-lib.c | 3 +++
lib/mounts.c | 12 +++++++++++-
3 files changed, 15 insertions(+), 1 deletion(-)
diff --git a/CHANGELOG b/CHANGELOG
index 484bd866..e55fd66a 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -6,6 +6,7 @@
- fix mnts_remove_amdmount() uses wrong list.
- Fix option for master read wait.
- eliminate cache_lookup_offset() usage.
+- fix is mounted check on non existent path.
25/01/2021 autofs-5.1.7
- make bind mounts propagation slave by default.
diff --git a/lib/dev-ioctl-lib.c b/lib/dev-ioctl-lib.c
index e8519236..7040c3da 100644
--- a/lib/dev-ioctl-lib.c
+++ b/lib/dev-ioctl-lib.c
@@ -759,6 +759,9 @@ static int dev_ioctl_ismountpoint(unsigned int logopt,
int save_errno = errno;
free_dev_ioctl_path(param);
errno = save_errno;
+ /* Path doesn't exist */
+ if (errno == ENOENT)
+ return 0;
return -1;
}
diff --git a/lib/mounts.c b/lib/mounts.c
index 42e8ef07..fe931b20 100644
--- a/lib/mounts.c
+++ b/lib/mounts.c
@@ -1649,8 +1649,18 @@ static int table_is_mounted(const char *mp, unsigned int type)
struct mntent mnt_wrk;
char buf[PATH_MAX * 3];
size_t mp_len = strlen(mp);
+ struct stat st;
FILE *tab;
- int ret = 0;
+ int ret;
+
+ ret = stat(mp, &st);
+ if (ret == -1) {
+ if (errno == ENOENT) {
+ /* Path does not exist */
+ return 0;
+ }
+ ret = 0;
+ }
if (!mp || !mp_len || mp_len >= PATH_MAX)
return 0;