Mesa (staging/21.1): util/fossilize_db: Only allocate entries after full read.
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Mon Aug 9 07:32:38 UTC 2021
Module: Mesa
Branch: staging/21.1
Commit: 730c326f8e554d94700ae0e3cbd186a46b90b8a4
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=730c326f8e554d94700ae0e3cbd186a46b90b8a4
Author: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>
Date: Thu Aug 5 01:43:01 2021 +0200
util/fossilize_db: Only allocate entries after full read.
Should void leaking entries on read failure.
Fixes: 2ec1bff0f3a "util/fossilize_db: Split out reading the index."
Reviewed-by: Timothy Arceri <tarceri at itsqueeze.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12204>
(cherry picked from commit d2d642cc014af75f0396e04528b29f9a61f91043)
---
.pick_status.json | 2 +-
src/util/fossilize_db.c | 21 +++++++++++----------
2 files changed, 12 insertions(+), 11 deletions(-)
diff --git a/.pick_status.json b/.pick_status.json
index 452b024c965..1d39e689b41 100644
--- a/.pick_status.json
+++ b/.pick_status.json
@@ -166,7 +166,7 @@
"description": "util/fossilize_db: Only allocate entries after full read.",
"nominated": true,
"nomination_type": 1,
- "resolution": 0,
+ "resolution": 1,
"main_sha": null,
"because_sha": "2ec1bff0f3a4450a9739d59421dc9c9fe72c94c6"
},
diff --git a/src/util/fossilize_db.c b/src/util/fossilize_db.c
index 4a25d077ee4..9943a5c1100 100644
--- a/src/util/fossilize_db.c
+++ b/src/util/fossilize_db.c
@@ -147,29 +147,30 @@ update_foz_index(struct foz_db *foz_db, FILE *db_idx, unsigned file_idx)
char hash_str[FOSSILIZE_BLOB_HASH_LENGTH + 1] = {0};
memcpy(hash_str, bytes_to_read, FOSSILIZE_BLOB_HASH_LENGTH);
- struct foz_db_entry *entry = ralloc(foz_db->mem_ctx,
- struct foz_db_entry);
- entry->header = *header;
- entry->file_idx = file_idx;
- _mesa_sha1_hex_to_sha1(entry->key, hash_str);
-
/* read cache item offset from index file */
uint64_t cache_offset;
if (fread(&cache_offset, 1, sizeof(cache_offset), db_idx) !=
sizeof(cache_offset))
break;
- entry->offset = cache_offset;
+ offset += header->payload_size;
+ parsed_offset = offset;
/* Truncate the entry's hash string to a 64bit hash for use with a
* 64bit hash table for looking up file offsets.
*/
hash_str[16] = '\0';
uint64_t key = strtoull(hash_str, NULL, 16);
- _mesa_hash_table_u64_insert(foz_db->index_db, key, entry);
- offset += header->payload_size;
- parsed_offset = offset;
+ struct foz_db_entry *entry = ralloc(foz_db->mem_ctx,
+ struct foz_db_entry);
+ entry->header = *header;
+ entry->file_idx = file_idx;
+ _mesa_sha1_hex_to_sha1(entry->key, hash_str);
+
+ entry->offset = cache_offset;
+
+ _mesa_hash_table_u64_insert(foz_db->index_db, key, entry);
}
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