In grub-mount.c, the function argp_parser() lacks a check on the sanity of the
file path when parsing parameters. This results in a segmentation fault if a
partition is mounted to a non-existent path.
Signed-off-by: Qiumiao Zhang <zhangqiumi...@huawei.com>
---
util/grub-mount.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/util/grub-mount.c b/util/grub-mount.c
index c69889df9..1d353f0df 100644
--- a/util/grub-mount.c
+++ b/util/grub-mount.c
@@ -563,6 +563,8 @@ argp_parser (int key, char *arg, struct argp_state *state)
images = xrealloc (images, (num_disks + 1) * sizeof (images[0]));
images[num_disks] = grub_canonicalize_file_name (arg);
+ if (images[num_disks] == NULL)
+ grub_util_error (_("cannot find '%s': %s"), arg, strerror (errno));
num_disks++;
return 0;
--
2.28.0.windows.1
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