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3 Commits

Author SHA1 Message Date
Alexander Færøy
d9a6b37ab1 Add diagnostic log message for compression bombs. 
This patch causes `tor_compress_is_compression_bomb()` to emit a
warning-level log message that lets us learn the potential ratio of the
input to output buffer sizes. Hopefully, this will give us a bit of a
better idea whether the compression bomb ratio needs some tuning.

See: tpo/core/tor#40739.
 2023-09-13 16:13:28 +02:00
David Goulet
51cefce3e6 ChangeLog and ReleaseNotes for 0.4.8.4 stable 
Signed-off-by: David Goulet <dgoulet@torproject.org>
 2023-08-23 10:12:54 -04:00
David Goulet
fd3f9e8580 zstd: Check errors right affer compressing/decompressing 
Considering a compression bomb before looking for errors led to false negative
log warnings. Instead, it is possible the work failed for whatever reasons
which is not indicative of a compression bomb.

Fixes #40739

Signed-off-by: David Goulet <dgoulet@torproject.org>
 2023-08-14 11:05:23 -04:00