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--- base/process/process_handle_freebsd.cc.orig 2019-04-08 08:18:04 UTC
+++ base/process/process_handle_freebsd.cc
@@ -16,10 +16,13 @@ namespace base {
ProcessId GetParentProcessId(ProcessHandle process) {
struct kinfo_proc info;
- size_t length;
+ size_t length = sizeof(struct kinfo_proc);
int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, process };
if (sysctl(mib, base::size(mib), &info, &length, NULL, 0) < 0)
+ return -1;
+
+ if (length < sizeof(struct kinfo_proc))
return -1;
return info.ki_ppid;
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