Open Bug 1613286 Opened 2 months ago Updated 2 months ago

load of value 32, which is not a valid value for type 'StripAtomic<mozilla::RelaxedAtomicBool>' (aka 'bool') in src/obj-firefox/dist/include/mozilla/StaticPrefList_dom.h:1039

Categories

(Core :: Preferences: Backend, defect, P3)

defect

Tracking

()

Tracking Status
firefox74 --- affected

People

(Reporter: tsmith, Unassigned)

References

(Blocks 2 open bugs)

Details

This was reported by a fuzzer. It is not reproducible however this failure is usually due to the use of an uninitialized bool.

Found with build m-c 20200123-a1669b599097

src/obj-firefox/dist/include/mozilla/StaticPrefList_dom.h:1039:1: runtime error: load of value 32, which is not a valid value for type 'StripAtomic<mozilla::RelaxedAtomicBool>' (aka 'bool')
    #0 0x7fc2ca2c77df in mozilla::StaticPrefs::InitStaticPrefsFromShared() src/obj-firefox/dist/include/mozilla/StaticPrefList_dom.h:1039:1
    #1 0x7fc2cb46cf5a in mozilla::ipc::SharedPreferenceDeserializer::DeserializeFromSharedMemory(char*, char*, char*, char*) src/ipc/glue/ProcessUtils_common.cpp:179:3
    #2 0x7fc2d1c191f0 in mozilla::dom::ContentProcess::Init(int, char**) src/dom/ipc/ContentProcess.cpp:174:21
    #3 0x7fc2d5f08ca3 in XRE_InitChildProcess(int, char**, XREChildData const*) src/toolkit/xre/nsEmbedFunctions.cpp:744:21
    #4 0x559fc107d401 in content_process_main src/browser/app/../../ipc/contentproc/plugin-container.cpp:56:28
    #5 0x559fc107d401 in main src/browser/app/nsBrowserApp.cpp:303:18

The priority flag is not set for this bug.
:njn, could you have a look please?

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Flags: needinfo?(n.nethercote)
Flags: needinfo?(n.nethercote)
Priority: -- → P3
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