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mcexec: PATH_MAX buffer lenght in do_generic_syscall()

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Balazs Gerofi
2016-12-25 17:20:14 +09:00
parent b836b84825
commit 829aae7b8d
1 changed files with 3 additions and 2 deletions
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5
executer/user/mcexec.c
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@ -1746,8 +1746,8 @@ do_generic_syscall(
/* Overlayfs /sys/X directory lseek() problem work around */
if (w->sr.number == __NR_lseek && ret == -EINVAL) {
char proc_path[512];
char path[512];
char proc_path[PATH_MAX];
char path[PATH_MAX];
struct stat sb;
sprintf(proc_path, "/proc/self/fd/%d", (int)w->sr.args[0]);
@ -1756,6 +1756,7 @@ do_generic_syscall(
if (readlink(proc_path, path, sizeof(path)) < 0) {
fprintf(stderr, "%s: error: readlink() failed for %s\n",
__FUNCTION__, proc_path);
perror(": ");
goto out;
}