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Commit 086293c5 authored by chenguanyou's avatar chenguanyou
Browse files

[BugFix][HWASAN] stack-buffer-overflow 



Test: hwasan

Change-Id: I95be4202a35d1f4876b382350a6f1fdd64d2548c
Signed-off-by: default avatarchenguanyou <chenguanyou@xiaomi.com>
parent 36f5f53a

core/jni/android_util_Process.cpp

+6 −2
Original line number Original line Diff line number Diff line
@@ -262,8 +262,12 @@ void android_os_Process_setProcessGroup(JNIEnv* env, jobject clazz, int pid, jin 
        sprintf(proc_path, "/proc/%d/cmdline", pid);

        sprintf(proc_path, "/proc/%d/cmdline", pid);

        fd = open(proc_path, O_RDONLY | O_CLOEXEC);

        fd = open(proc_path, O_RDONLY | O_CLOEXEC);

        if (fd >= 0) {

        if (fd >= 0) {

            int rc = read(fd, cmdline, sizeof(cmdline)-1);

            ssize_t rc = read(fd, cmdline, sizeof(cmdline) - 1);

            if (rc < 0) {

                ALOGE("read /proc/%d/cmdline (%s)", pid, strerror(errno));

            } else {

                cmdline[rc] = 0;

                cmdline[rc] = 0;

            }

            close(fd);

            close(fd);

        }

        }