From: Rafał Miłecki <[email protected]> Using argv[3] without checking argc value could result in undefined behavior. It could result in a crash or accessing a NULL that separates argv from envp on UNIX.
Signed-off-by: Rafał Miłecki <[email protected]> --- block.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/block.c b/block.c index 8972fdf..1edc9b8 100644 --- a/block.c +++ b/block.c @@ -1189,8 +1189,12 @@ static int main_autofs(int argc, char **argv) blockd_notify(pr->dev, m, pr); } return 0; + } else { + if (argc < 4) + return -EINVAL; + + return mount_action(argv[2], argv[3], TYPE_AUTOFS); } - return mount_action(argv[2], argv[3], TYPE_AUTOFS); } static int find_block_mtd(char *name, char *part, int plen) -- 2.13.7 _______________________________________________ openwrt-devel mailing list [email protected] https://lists.openwrt.org/mailman/listinfo/openwrt-devel
