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Merge branch 'bug24086_031' into maint-0.3.1

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This commit is contained in:
Nick Mathewson 2017-12-11 16:49:01 -05:00
commit f7b41bcdf0
2 changed files with 18 additions and 2 deletions
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7
changes/bug24086 Normal file
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@ -0,0 +1,7 @@
o Minor bugfixes (directory cache):
- When a consensus diff calculation is only partially successful, only
record the successful parts as having succeeded. Partial success
can happen if (for example) one compression method fails but
the others succeed. Previously we misrecorded all the calculations as
having succeeded, which would later cause a nonfatal assertion failure.
Fixes bug 24086; bugfix on 0.3.1.1-alpha.

13
src/or/consdiffmgr.c
View File

@ -283,6 +283,10 @@ cdm_diff_ht_set_status(consensus_flavor_t flav,
int status,
consensus_cache_entry_handle_t *handle)
{
if (handle == NULL) {
tor_assert_nonfatal(status != CDM_DIFF_PRESENT);
}
struct cdm_diff_t search, *ent;
memset(&search, 0, sizeof(cdm_diff_t));
search.flavor = flav;
@ -1589,8 +1593,13 @@ consensus_diff_worker_replyfn(void *work_)
for (u = 0; u < ARRAY_LENGTH(handles); ++u) {
compress_method_t method = compress_diffs_with[u];
if (cache) {
cdm_diff_ht_set_status(flav, from_sha3, to_sha3, method, status,
handles[u]);
consensus_cache_entry_handle_t *h = handles[u];
int this_status = status;
if (h == NULL) {
this_status = CDM_DIFF_ERROR;
}
tor_assert_nonfatal(h != NULL || this_status == CDM_DIFF_ERROR);
cdm_diff_ht_set_status(flav, from_sha3, to_sha3, method, this_status, h);
} else {
consensus_cache_entry_handle_free(handles[u]);
}