1564444 - Crash in [@ MOZ_Z_inflate]

Status: RESOLVED DUPLICATE of bug 1550815

(Core :: Networking: JAR, defect, P2)

Description

[Marcia Knous [:marcia]]

This bug is for crash report bp-464ea5cf-f4c4-4b63-97dd-2a5280190709.

Seen while looking at 68 release Android crash stats. This is flagged as a startup crash in Socorro: https://mzl.la/2NIZ1pZ and sits at #8 overall so far. It was present in the 68 betas and appears to have been in the 67 release as well.

Many of the top crashing devices are Samsung devices running API 28.

Top 10 frames of crashing thread:

0 libmozglue.so MOZ_Z_inflate modules/zlib/src/inflate.c:857
1 libxul.so nsJARInputStream::Read modules/libjar/nsJARInputStream.cpp:212
2 libxul.so mozilla::net::nsInputStreamTransport::Read netwerk/base/nsStreamTransportService.cpp:149
3 libxul.so nsStreamCopierOB::FillOutputBuffer xpcom/io/nsStreamUtils.cpp:534
4 libxul.so nsPipeOutputStream::WriteSegments xpcom/io/nsPipe3.cpp:1671
5 libxul.so nsStreamCopierOB::DoCopy xpcom/io/nsStreamUtils.cpp:552
6 libxul.so nsAStreamCopier::Run xpcom/io/nsStreamUtils.cpp:409
7 libxul.so non-virtual thunk to nsAStreamCopier::Run xpcom/io/nsStreamUtils.cpp
8 libxul.so nsThreadPool::Run xpcom/threads/nsThreadPool.cpp:244
9 libxul.so non-virtual thunk to nsThreadPool::Run xpcom/threads/nsThreadPool.cpp

Comment 1

[Kershaw Chang [:kershaw]]

Michal, is this something you can look at?
It seems that this is a bug inside zlib. Not sure what we can do here.

Comment 2

[Michal Novotny [:michal]]

The cause might be the same as in bug 1550815 (see https://bugzilla.mozilla.org/show_bug.cgi?id=1550815#c5). Let's see if this crash disappears when we fix bug 1550815.