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MDEV-5238 Server crashes in find_role_grant_pair on SHOW GRANTS for an anonymous user

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This commit is contained in:
Sergei Golubchik
2013-11-10 17:50:52 +01:00
parent ab2bf1ad0b
commit 09b63917be
3 changed files with 30 additions and 1 deletions
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2
sql/sql_acl.cc
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@ -7556,7 +7556,7 @@ static ROLE_GRANT_PAIR *find_role_grant_pair(const LEX_STRING *u,
pair_key.alloc(key_length);
strmov(strmov(strmov(const_cast<char*>(pair_key.ptr()),
u->str) + 1, h->str) + 1, r->str);
safe_str(u->str)) + 1, h->str) + 1, r->str);
return (ROLE_GRANT_PAIR *)
my_hash_search(&acl_roles_mappings, (uchar*)pair_key.ptr(), key_length);