[tor-commits] [tor/master] In microdesc_cache_reload(), set journal length to length of string we read

[nickm at torproject.org]

commit 2845607f9706dc00aa799fc609d692e8d8c4786f
Author: rl1987 <rl1987 at sdf.lonestar.org>
Date:   Fri May 17 19:44:45 2019 +0300

    In microdesc_cache_reload(), set journal length to length of string we read
    
    Hopefully this will fix CID 1444769.
---
 src/feature/nodelist/microdesc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/feature/nodelist/microdesc.c b/src/feature/nodelist/microdesc.c
index db2149754..89ac0a2f8 100644
--- a/src/feature/nodelist/microdesc.c
+++ b/src/feature/nodelist/microdesc.c
@@ -536,8 +536,8 @@ microdesc_cache_reload(microdesc_cache_t *cache)
   journal_content = read_file_to_str(cache->journal_fname,
                                      RFTS_IGNORE_MISSING, &st);
   if (journal_content) {
-    cache->journal_len = (size_t) st.st_size;
-    warn_if_nul_found(journal_content, cache->journal_len, 0,
+    cache->journal_len = strlen(journal_content);
+    warn_if_nul_found(journal_content, (size_t)st.st_size, 0,
                       "reading microdesc journal");
     added = microdescs_add_to_cache(cache, journal_content,
                                     journal_content+st.st_size,