Merge branch 'master' of https://github.com/netblue30/firejail

1 files changed, 2 insertions, 1 deletions

diff --git a/src/fseccomp/syscall.c b/src/fseccomp/syscall.c
index 3f5fbbbfa..7ea1e749d 100644
--- a/src/fseccomp/syscall.c
+++ b/src/fseccomp/syscall.c
@@ -546,7 +546,7 @@ static void syscall_in_list(int fd, int syscall, int arg, void *ptrarg) {
         }
         else { // no problem, add to pre-exec list
                 // build syscall:error_no
-                char *newcall;
+                char *newcall = NULL;
                 if (arg != 0) {
                         if (asprintf(&newcall, "%s:%s", syscall_find_nr(syscall), errno_find_nr(arg)) == -1)
                                 errExit("asprintf");
@@ -560,6 +560,7 @@ static void syscall_in_list(int fd, int syscall, int arg, void *ptrarg) {
                 if (ptr->prelist) {
                         if (asprintf(&ptr->prelist, "%s,%s", ptr->prelist, newcall) == -1)
                                 errExit("asprintf");
+                        free(newcall);
                 }
                 else
                         ptr->prelist = newcall;