325395 - Crash when trying to create an instance of cache-service

Status: RESOLVED DUPLICATE of bug 494946

(Core :: Networking: Cache, defect)

Description

[Martijn Wargers (dead)]

See upcoming testcase. You need to test the testcase locally to get the crash.

Comment 1

[Martijn Wargers (dead)]

Attachment: testcase

Comment 2

[Martijn Wargers (dead)]

Attachment: Backtrace

Backtrace from a debug build. First I get an assertion:
###!!! ASSERTION: multiple nsCacheService instances!: 'gService==nsnull', file c
:/mozilla/mozilla/netwerk/cache/src/nsCacheService.cpp, line 493

Then the crash:
#0  0x01314daa in nsCacheService::ServiceLock() ()
    at c:/mozilla/mozilla/netwerk/cache/src/nsCacheService.cpp:1403
#1  0x0130ec6a in nsCacheEntryDescriptor::SetDataSize(unsigned) (
    this=0xe55d8c0, dataSize=0)
    at c:/mozilla/mozilla/netwerk/cache/src/nsCacheEntryDescriptor.cpp:216
#2  0x65d0b8d8 in imgRequest::OnStartDecode(imgIRequest*) (this=0xe55d3e0,
    request=0x0) at c:/mozilla/mozilla/modules/libpr0n/src/imgRequest.cpp:438
#3  0x65d138df in nsGIFDecoder2::BeginGIF(void*, unsigned, unsigned, unsigned ch
ar) (aClientData=0x1034d3c0, aLogicalScreenWidth=16,
    aLogicalScreenHeight=16, aBackgroundRGBIndex=8 '\b')
    at c:/mozilla/mozilla/modules/libpr0n/decoders/gif/nsGIFDecoder2.cpp:284
etc.

Comment 3

[Christian :Biesinger (don't email me, ping me on IRC)]

I don't think this should block bug 181491, because that bug is about the case where no cache service exists yet, I believe.

Comment 4

[Jesse Ruderman on Windows]

Yeah, don't call createInstance on services.

Comment 5

[Martijn Wargers (dead)]

I'd rather make it dependant on that bug, if it is related.

Comment 6

[Jesse Ruderman on Windows]

What's special about this service that you think it should have an ad-hoc workaround?