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| author | Nick Mathewson <nickm@torproject.org> | 2014-02-24 12:15:32 -0500 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2014-02-24 12:15:32 -0500 |
| commit | a3ab31f5dc55b2edde9436f6fb5f990548950702 (patch) | |
| tree | 472e1cc0365d66386162cee47393f27ba3555b71 /changes | |
| parent | 1753975ece98f4054ec65683862db120a3b8f261 (diff) | |
| download | tor-a3ab31f5dc55b2edde9436f6fb5f990548950702.tar tor-a3ab31f5dc55b2edde9436f6fb5f990548950702.tar.gz | |
Threadproof our log_backtrace implementation
It's possible for two threads to hit assertion failures at the same
time. If that happens, let's keep them from stomping on the same
cb_buf field.
Fixes bug 11048; bugfix on 0.2.5.2-alpha. Reported by "cypherpunks".
Diffstat (limited to 'changes')
| -rw-r--r-- | changes/bug11048 | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/changes/bug11048 b/changes/bug11048 new file mode 100644 index 000000000..684abf959 --- /dev/null +++ b/changes/bug11048 @@ -0,0 +1,8 @@ + o Minor bugfixes: + + - Avoid strange behavior if two threads hit failed asswertions + at the same time and both try to log backtraces at + once. (Previously, if this had happened, both threads would + have stored their intermediate results in the same buffer, and + generated junk outputs.) Reported by "cypherpunks". Fixes bug + 11048; bugfix on 0.2.5.2-alpha. |