From 26ab7fc3e4cba416cf51aa0fb48fdddaa0d861ee Mon Sep 17 00:00:00 2001 From: Jaroslav Kysela Date: Wed, 2 Jun 2021 19:58:04 +0200 Subject: [PATCH] ucm: fix possible NULL pointer dereference in uc_mgr_exec() Signed-off-by: Jaroslav Kysela --- src/ucm/ucm_exec.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/src/ucm/ucm_exec.c b/src/ucm/ucm_exec.c index 1cdb2633..d83206d0 100644 --- a/src/ucm/ucm_exec.c +++ b/src/ucm/ucm_exec.c @@ -185,7 +185,11 @@ int uc_mgr_exec(const char *prog) return -EINVAL; prog = argv[0]; - if (argv[0][0] != '/' && argv[0][0] != '.') { + if (prog == NULL) { + err = -EINVAL; + goto __error; + } + if (prog[0] != '/' && prog[0] != '.') { if (!find_exec(argv[0], bin, sizeof(bin))) { err = -ENOEXEC; goto __error; -- 2.47.1