diff options
Diffstat (limited to 'arch/um/os-Linux/mem.c')
| -rw-r--r-- | arch/um/os-Linux/mem.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/um/os-Linux/mem.c b/arch/um/os-Linux/mem.c index 436f8d20b20..c3b736adc1d 100644 --- a/arch/um/os-Linux/mem.c +++ b/arch/um/os-Linux/mem.c @@ -172,13 +172,15 @@ int __init make_tempfile(const char *template, char **out_tempname, which_tmpdir(); tempname = malloc(MAXPATHLEN); + if (!tempname) + goto out; find_tempdir(); if (template[0] != '/') strcpy(tempname, tempdir); else tempname[0] = '\0'; - strcat(tempname, template); + strncat(tempname, template, MAXPATHLEN-1-strlen(tempname)); fd = mkstemp(tempname); if(fd < 0){ fprintf(stderr, "open - cannot create %s: %s\n", tempname, @@ -268,6 +270,7 @@ void __init check_tmpexec(void) if(addr == MAP_FAILED){ err = errno; perror("failed"); + close(fd); if(err == EPERM) printf("%s must be not mounted noexec\n",tempdir); exit(1); |