From: Daniel Golle <daniel@makrotopia.org>
Date: Mon, 11 May 2020 23:26:28 +0000 (+0100)
Subject: blockd: fix segfault triggered by non-autofs mounts
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=84269037b75de93bdd4ea75b7f50ba77ba976377;p=project%2Ffstools.git

blockd: fix segfault triggered by non-autofs mounts

Program received signal SIGSEGV, Segmentation fault.
main_autofs (argv=<optimized out>, argc=<optimized out>)
    at fstools-2020-05-06-eec16e2f/block.c:1193
1193:    if (!m->autofs && (mp = find_mount_point(pr->dev))) {

Fixes: 9ab936d ("block(d): always call hotplug.d "mount" scripts from blockd")
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
---

diff --git a/block.c b/block.c
index 9458d52..569bf56 100644
--- a/block.c
+++ b/block.c
@@ -1190,7 +1190,7 @@ static int main_autofs(int argc, char **argv)
 				continue;
 
 			blockd_notify("hotplug", pr->dev, m, pr);
-			if (!m->autofs && (mp = find_mount_point(pr->dev))) {
+			if ((!m || !m->autofs) && (mp = find_mount_point(pr->dev))) {
 				blockd_notify("mount", pr->dev, NULL, NULL);
 				free(mp);
 			}