fix for unintended crash during panic response

If redis crashes early, before lua is set up (like, if File Descriptor 0 is closed before exec), it will crash again trying to print memory statistics.
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Dave-in-lafayette 2020-04-20 16:34:36 -07:00 committed by GitHub
parent c49fb47fbe
commit 071197fb64
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@ -4037,7 +4037,7 @@ sds genRedisInfoString(const char *section) {
size_t zmalloc_used = zmalloc_used_memory();
size_t total_system_mem = server.system_memory_size;
const char *evict_policy = evictPolicyToString();
long long memory_lua = (long long)lua_gc(server.lua,LUA_GCCOUNT,0)*1024;
long long memory_lua = server.lua ? (long long)lua_gc(server.lua,LUA_GCCOUNT,0)*1024 : 0;
struct redisMemOverhead *mh = getMemoryOverheadData();
/* Peak memory is updated from time to time by serverCron() so it