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Merge pull request #18230 from taosdata/fix/TD-19618-D 

fix: real path optimization in case of invalid read
This commit is contained in:
dapan1121 2022-11-18 14:54:28 +08:00 committed by GitHub
parent c77e7943ba 6515c9c7c5
commit 1167c86b34
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 8 additions and 6 deletions
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2
source/dnode/vnode/src/tsdb/tsdbOpen.c
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@ -49,7 +49,7 @@ int tsdbOpen(SVnode *pVnode, STsdb **ppTsdb, const char *dir, STsdbKeepCfg *pKee
pTsdb->path = (char *)&pTsdb[1];
snprintf(pTsdb->path, TD_PATH_MAX, "%s%s%s", pVnode->path, TD_DIRSEP, dir);
taosRealPath(pTsdb->path, NULL, slen);
// taosRealPath(pTsdb->path, NULL, slen);
pTsdb->pVnode = pVnode;
taosThreadRwlockInit(&pTsdb->rwLock, NULL);
if (!pKeepCfg) {

12
source/os/src/osDir.c
View File

@ -336,12 +336,14 @@ int32_t taosRealPath(char *dirname, char *realPath, int32_t maxlen) {
#else
if (realpath(dirname, tmp) != NULL) {
#endif
if (realPath == NULL) {
strncpy(dirname, tmp, maxlen);
} else {
strncpy(realPath, tmp, maxlen);
if (strlen(tmp) < maxlen) {
if (realPath == NULL) {
strncpy(dirname, tmp, maxlen);
} else {
strncpy(realPath, tmp, maxlen);
}
return 0;
}
return 0;
}
return -1;