diff options
| -rw-r--r-- | sql/log_event.cc | 14 | ||||
| -rw-r--r-- | sql/log_event.h | 4 |
2 files changed, 13 insertions, 5 deletions
diff --git a/sql/log_event.cc b/sql/log_event.cc index e3ce216ab70..91b2746ce8f 100644 --- a/sql/log_event.cc +++ b/sql/log_event.cc @@ -1230,7 +1230,7 @@ Log_event* Log_event::read_log_event(const char* buf, uint event_len, break; #ifdef HAVE_REPLICATION case SLAVE_EVENT: /* can never happen (unused event) */ - ev = new Slave_log_event(buf, event_len); + ev = new Slave_log_event(buf, event_len, description_event); break; #endif /* HAVE_REPLICATION */ case CREATE_FILE_EVENT: @@ -1318,8 +1318,10 @@ Log_event* Log_event::read_log_event(const char* buf, uint event_len, (because constructor is "void") ; so instead we leave the pointer we wanted to allocate (e.g. 'query') to 0 and we test it in is_valid(). Same for Format_description_log_event, member 'post_header_len'. + + SLAVE_EVENT is never used, so it should not be read ever. */ - if (!ev || !ev->is_valid()) + if (!ev || !ev->is_valid() || (event_type == SLAVE_EVENT)) { DBUG_PRINT("error",("Found invalid event in binary log")); @@ -5983,8 +5985,12 @@ void Slave_log_event::init_from_mem_pool(int data_size) /** This code is not used, so has not been updated to be format-tolerant. */ -Slave_log_event::Slave_log_event(const char* buf, uint event_len) - :Log_event(buf,0) /*unused event*/ ,mem_pool(0),master_host(0) +/* We are using description_event so that slave does not crash on Log_event + constructor */ +Slave_log_event::Slave_log_event(const char* buf, + uint event_len, + const Format_description_log_event* description_event) + :Log_event(buf,description_event),mem_pool(0),master_host(0) { if (event_len < LOG_EVENT_HEADER_LEN) return; diff --git a/sql/log_event.h b/sql/log_event.h index 816a241e55d..662fec23639 100644 --- a/sql/log_event.h +++ b/sql/log_event.h @@ -1782,7 +1782,9 @@ public: void print(FILE* file, PRINT_EVENT_INFO* print_event_info); #endif - Slave_log_event(const char* buf, uint event_len); + Slave_log_event(const char* buf, + uint event_len, + const Format_description_log_event *description_event); ~Slave_log_event(); int get_data_size(); bool is_valid() const { return master_host != 0; } |