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fix:[TD-33556] tmq close elegantly to avoid invalid read in TD-32585

This commit is contained in:
wangmm0220 2025-01-21 11:15:26 +08:00
parent ba469cc967
commit 19f059212d
1 changed files with 30 additions and 8 deletions
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34
source/client/src/clientTmq.c
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@ -76,6 +76,7 @@ enum {
typedef struct {
tmr_h timer;
int32_t rsetId;
TdThreadMutex lock;
} SMqMgmt;
struct tmq_list_t {
@ -1603,13 +1604,33 @@ static void tmqMgmtInit(void) {
tmqMgmt.timer = taosTmrInit(1000, 100, 360000, "TMQ");
if (tmqMgmt.timer == NULL) {
tmqInitRes = terrno;
goto END;
}
tmqMgmt.rsetId = taosOpenRef(10000, tmqFreeImpl);
if (tmqMgmt.rsetId < 0) {
tmqInitRes = terrno;
goto END;
}
TdThreadMutexAttr attr = {0};
if (taosThreadMutexAttrInit(&attr) != 0){
goto END;
}
if (taosThreadMutexAttrSetType(&attr, PTHREAD_MUTEX_RECURSIVE) != 0){
goto END;
}
if (taosThreadMutexInit(&tmqMgmt.lock, &attr) != 0){
goto END;
}
if (taosThreadMutexAttrDestroy(&attr) != 0){
goto END;
}
END:
tmqInitRes = terrno;
}
void tmqMgmtClose(void) {
@ -1618,6 +1639,7 @@ void tmqMgmtClose(void) {
tmqMgmt.timer = NULL;
}
(void) taosThreadMutexLock(&tmqMgmt.lock);
if (tmqMgmt.rsetId >= 0) {
tmq_t *tmq = taosIterateRef(tmqMgmt.rsetId, 0);
int64_t refId = 0;
@ -1627,9 +1649,7 @@ void tmqMgmtClose(void) {
if (refId == 0) {
break;
}
taosWLockLatch(&tmq->lock);
atomic_store_8(&tmq->status, TMQ_CONSUMER_STATUS__CLOSED);
taosWUnLockLatch(&tmq->lock);
if (taosRemoveRef(tmqMgmt.rsetId, tmq->refId) != 0) {
qWarn("taosRemoveRef tmq refId:%" PRId64 " failed, error:%s", refId, tstrerror(terrno));
@ -1640,6 +1660,8 @@ void tmqMgmtClose(void) {
taosCloseRef(tmqMgmt.rsetId);
tmqMgmt.rsetId = -1;
}
(void)taosThreadMutexUnlock(&tmqMgmt.lock);
(void)taosThreadMutexDestroy(&tmqMgmt.lock);
}
tmq_t* tmq_consumer_new(tmq_conf_t* conf, char* errstr, int32_t errstrLen) {
@ -2636,7 +2658,7 @@ int32_t tmq_unsubscribe(tmq_t* tmq) {
int32_t tmq_consumer_close(tmq_t* tmq) {
if (tmq == NULL) return TSDB_CODE_INVALID_PARA;
int32_t code = 0;
taosWLockLatch(&tmq->lock);
(void) taosThreadMutexLock(&tmqMgmt.lock);
if (atomic_load_8(&tmq->status) == TMQ_CONSUMER_STATUS__CLOSED){
goto end;
}
@ -2651,7 +2673,7 @@ int32_t tmq_consumer_close(tmq_t* tmq) {
}
end:
taosWUnLockLatch(&tmq->lock);
(void)taosThreadMutexLock(&tmqMgmt.lock);
return code;
}