automount_mount calls run_command which may trigger an automount
again. This results in an endless loop. A simple way to trigger
this is:
mkdir /x; automount /x false; cd /x; something
Use a static variable to detect if we are currently in automount_mount()
and bail out if we are.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
fs/fs.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/fs/fs.c b/fs/fs.c
index b0ac918..dd410b7 100644
--- a/fs/fs.c
+++ b/fs/fs.c
@@ -409,6 +409,12 @@ static void automount_mount(const char *path, int instat)
{
struct automount *am;
int ret;
+ static int in_automount;
+
+ if (in_automount)
+ return;
+
+ in_automount++;
list_for_each_entry(am, &automount_list, list) {
int len_path = strlen(path);
@@ -444,8 +450,10 @@ static void automount_mount(const char *path, int instat)
else
automount_remove(am->path);
- return;
+ break;
}
+
+ in_automount--;
}
BAREBOX_MAGICVAR(automount_path, "mountpath passed to automount scripts");
--
2.0.0
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