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Fix memory overridden (#209) 

* fix: memory was written out of its boundary.



Co-authored-by: 朱天龙 (Armink) <armink.ztl@gmail.com>
Co-authored-by: shihang.zhang <shihang.zhang.ext@siemens.com>
This commit is contained in:
shihang-zhang 2023-04-06 10:18:02 -05:00 committed by GitHub
parent 519a06f65a
commit 39e81fa9b2
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 6 additions and 8 deletions
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1
inc/fdb_def.h
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@ -337,4 +337,3 @@ typedef struct fdb_blob *fdb_blob_t;
#endif
#endif /* _FDB_DEF_H_ */

9
src/fdb_kvdb.c
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@ -319,7 +319,7 @@ static fdb_err_t read_kv(fdb_kvdb_t db, fdb_kv_t kv)
fdb_err_t result = FDB_NO_ERR;
size_t len, size;
/* read KV header raw data */
_fdb_flash_read((fdb_db_t)db, kv->addr.start, (uint32_t *)&kv_hdr, KV_HDR_DATA_SIZE);
_fdb_flash_read((fdb_db_t)db, kv->addr.start, (uint32_t *)&kv_hdr, sizeof(struct kv_hdr_data));
kv->status = (fdb_kv_status_t) _fdb_get_status(kv_hdr.status_table, FDB_KV_STATUS_NUM);
kv->len = kv_hdr.len;
@ -382,7 +382,7 @@ static fdb_err_t read_sector_info(fdb_kvdb_t db, uint32_t addr, kv_sec_info_t se
FDB_ASSERT(sector);
/* read sector header raw data */
_fdb_flash_read((fdb_db_t)db, addr, (uint32_t *)&sec_hdr, SECTOR_HDR_DATA_SIZE);
_fdb_flash_read((fdb_db_t)db, addr, (uint32_t *)&sec_hdr, sizeof(struct sector_hdr_data));
sector->addr = addr;
sector->magic = sec_hdr.magic;
@ -725,7 +725,7 @@ static fdb_err_t format_sector(fdb_kvdb_t db, uint32_t addr, uint32_t combined_v
result = _fdb_flash_erase((fdb_db_t)db, addr, db_sec_size(db));
if (result == FDB_NO_ERR) {
/* initialize the header data */
memset(&sec_hdr, FDB_BYTE_ERASED, SECTOR_HDR_DATA_SIZE);
memset(&sec_hdr, FDB_BYTE_ERASED, sizeof(struct sector_hdr_data));
_fdb_set_status(sec_hdr.status_table.store, FDB_SECTOR_STORE_STATUS_NUM, FDB_SECTOR_STORE_EMPTY);
_fdb_set_status(sec_hdr.status_table.dirty, FDB_SECTOR_DIRTY_STATUS_NUM, FDB_SECTOR_DIRTY_FALSE);
sec_hdr.magic = SECTOR_MAGIC_WORD;
@ -1098,7 +1098,7 @@ static fdb_err_t create_kv_blob(fdb_kvdb_t db, kv_sec_info_t sector, const char
return FDB_KV_NAME_ERR;
}
memset(&kv_hdr, FDB_BYTE_ERASED, KV_HDR_DATA_SIZE);
memset(&kv_hdr, FDB_BYTE_ERASED, sizeof(struct kv_hdr_data));
kv_hdr.magic = KV_MAGIC_WORD;
kv_hdr.name_len = strlen(key);
kv_hdr.value_len = len;
@ -1751,4 +1751,3 @@ bool fdb_kv_iterate(fdb_kvdb_t db, fdb_kv_iterator_t itr)
}
#endif /* defined(FDB_USING_KVDB) */