files/patch-components_sync__device__info_local__device__info__util__linux.cc
--- components/sync_device_info/local_device_info_util_linux.cc.orig 2020-02-24 18:39:14 UTC
+++ components/sync_device_info/local_device_info_util_linux.cc
@@ -37,8 +37,9 @@ std::string GetPersonalizableDeviceNameInternal() {
#if defined(OS_CHROMEOS)
return GetChromeOSDeviceNameFromType();
#else
- char hostname[HOST_NAME_MAX];
- if (gethostname(hostname, HOST_NAME_MAX) == 0) // Success.
+ int len = sysconf(_SC_HOST_NAME_MAX);
+ char hostname[len];
+ if (gethostname(hostname, _SC_HOST_NAME_MAX) == 0) // Success.
return hostname;
return base::GetLinuxDistro();
#endif