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| author | Vsevolod Stakhov <vsevolod@highsecure.ru> | 2016-07-28 14:34:14 +0100 |
|---|---|---|
| committer | Vsevolod Stakhov <vsevolod@highsecure.ru> | 2016-07-28 14:34:14 +0100 |
| commit | 1aa2cebd3eff78d1c9417a4267f81166147840ec (patch) | |
| tree | 7ca6427cf2e74474119081a36deb1a1f71d8e61b /src/libstat/backends/mmaped_file.c | |
| parent | d4bab2f70adbabf14e734f4c9bc497843c298f5c (diff) | |
| download | rspamd-1aa2cebd3eff78d1c9417a4267f81166147840ec.tar.gz rspamd-1aa2cebd3eff78d1c9417a4267f81166147840ec.zip | |
[Minor] Another sanity check
Diffstat (limited to 'src/libstat/backends/mmaped_file.c')
| -rw-r--r-- | src/libstat/backends/mmaped_file.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/src/libstat/backends/mmaped_file.c b/src/libstat/backends/mmaped_file.c index 86538039d..795da8b4d 100644 --- a/src/libstat/backends/mmaped_file.c +++ b/src/libstat/backends/mmaped_file.c @@ -494,14 +494,17 @@ rspamd_mmaped_file_reindex (rspamd_mempool_t *pool, } pos = map + (sizeof (struct stat_file) - sizeof (struct stat_file_block)); - while (old_size - (pos - map) >= sizeof (struct stat_file_block)) { - block = (struct stat_file_block *)pos; - if (block->hash1 != 0 && block->value != 0) { - rspamd_mmaped_file_set_block_common (pool, - new, block->hash1, - block->hash2, block->value); + + if (pos - map < (gssize)old_size) { + while ((gssize)old_size - (pos - map) >= (gssize)sizeof (struct stat_file_block)) { + block = (struct stat_file_block *)pos; + if (block->hash1 != 0 && block->value != 0) { + rspamd_mmaped_file_set_block_common (pool, + new, block->hash1, + block->hash2, block->value); + } + pos += sizeof (block); } - pos += sizeof (block); } header = (struct stat_file_header *)map; |