Pathological compression crashes decoder
Bug #790910 reported by
Yves Pelletier
This bug affects 1 person
| Affects | Status | Importance | Assigned to | Milestone | |
|---|---|---|---|---|---|
| libECBUFR |
Fix Committed
|
Medium
|
Unassigned | ||
Bug Description
A user has come across a BUFR message where compression was executed incorrectly such that NBINC > NBITS. That is, the effective bitwidth for a descriptor with compression "on" is greater than the default bitwidth for the descriptor (as specified in Table B). Besides obviously defeating the purpose of compression, this crashes the decoder.
| Changed in libecbufr: | |
| importance: | Undecided → Low |
| status: | New → Triaged |
| importance: | Low → Medium |
Revision history for this message
| vanh souvanlasy (vanh-souvanlasy) wrote | #1 |
| Changed in libecbufr: | |
| status: | Triaged → Fix Committed |
| milestone: | none → 0.8.2rc2 |
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Fix is committed to trunk rev. 189 and also into branch 0.8.2
For now, we simply allow NBINC to be of any size, even greater than bitwidth.