upstream/borgbackup
1
0
Fork 0
mirror of https://github.com/borgbackup/borg.git synced 2026-05-28 04:03:21 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

fix bug in hashindex_set on resize, fixes #4829

Browse source 
the problem was that after a resize that was triggered by too few
empty buckets, the rebuilt new hash table had entries at different
positions than before, but the idx where to SET the entry was not
recomputed afterwards.
This commit is contained in:
Thomas Waldmann 2020-03-01 16:31:32 +01:00
parent 2cfafc2ce3
commit 7bb90b6a51
1 changed files with 10 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
borg/_hashindex.c
View file

@ -449,6 +449,16 @@ hashindex_set(HashIndex *index, const void *key, const void *value)
if(!hashindex_resize(index, index->num_buckets)) {
return 0;
}
/* we have just built a fresh hashtable and removed all tombstones,
* so we only have EMPTY or USED buckets, but no DELETED ones any more.
*/
idx = hashindex_index(index, key);
while(!BUCKET_IS_EMPTY(index, idx)) {
idx++;
if (idx >= index->num_buckets){
idx -= index->num_buckets;
}
}
}
}
ptr = BUCKET_ADDR(index, idx);