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Merge "[BugFix][HWASAN] stack-buffer-overflow" am: 16335690d4

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Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1625862

Change-Id: I586eb1c779a313a1fca42005ad53b2ce30ec8297
This commit is contained in:
Treehugger Robot 2021-08-27 18:27:41 +00:00 committed by Automerger Merge Worker
commit 2002e0a739
1 changed files with 6 additions and 2 deletions
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8
core/jni/android_util_Process.cpp
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@ -261,8 +261,12 @@ void android_os_Process_setProcessGroup(JNIEnv* env, jobject clazz, int pid, jin
sprintf(proc_path, "/proc/%d/cmdline", pid);
fd = open(proc_path, O_RDONLY | O_CLOEXEC);
if (fd >= 0) {
int rc = read(fd, cmdline, sizeof(cmdline)-1);
cmdline[rc] = 0;
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;
}
close(fd);
}