1837688 - Crash in [@ core::ptr::const_ptr::impl$2::eq] from CrashReporter::CreateMinidumpsAndPair

Status: RESOLVED FIXED

(Toolkit :: Crash Reporting, defect)

Description

[Andrew McCreight [:mccr8]]

Crash report: https://crash-stats.mozilla.org/report/index/d09fe453-f535-41ac-8a05-6401b0230609

Reason: EXCEPTION_ACCESS_VIOLATION_READ

Top 10 frames of crashing thread:

0  xul.dll  core::ptr::const_ptr::impl$2::eq  /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ptr/const_ptr.rs:1718
0  xul.dll  thin_vec::ThinVec<mozannotation_server::CAnnotation>::is_singleton  third_party/rust/thin-vec/src/lib.rs:1550
0  xul.dll  thin_vec::impl$7::drop  third_party/rust/thin-vec/src/lib.rs:1681
0  xul.dll  core::ptr::drop_in_place  /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ptr/mod.rs:490
0  xul.dll  core::ptr::drop_in_place  /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ptr/mod.rs:490
0  xul.dll  mozannotation_server::mozannotation_free  toolkit/crashreporter/mozannotation_server/src/lib.rs:59
1  xul.dll  CrashReporter::CreateMinidumpsAndPair  toolkit/crashreporter/nsExceptionHandler.cpp:3865
2  xul.dll  mozilla::ipc::CrashReporterHost::GenerateMinidumpAndPair<mozilla::dom::ContentParent>  ipc/glue/CrashReporterHost.h:73
3  xul.dll  mozilla::dom::ContentParent::GeneratePairedMinidump  dom/ipc/ContentParent.cpp:4470
4  xul.dll  mozilla::dom::ContentParent::KillHard  dom/ipc/ContentParent.cpp:4511

Not a great signature, but the ones I looked at were all like this.

The crashes I looked at had a Last Error Value of ERROR_PARTIAL_COPY.

It looks like this showed up in the 20230607214358 build. Here's the set of patches in that build. Regression from bug 1776197?

Comment 1

[BugBot [:suhaib / :marco/ :calixte]]

Set release status flags based on info from the regressing bug 1776197

Comment 2

[Gabriele Svelto [:gsvelto]]

Attachment: Bug 1837688 - Don't try to the free crash annotations if we failed to retrieve them r=afranchuk

Comment 3

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/2f34ed785dca
Don't try to the free crash annotations if we failed to retrieve them r=afranchuk

Comment 4

[Sandor Molnar[:smolnar]]

https://hg.mozilla.org/mozilla-central/rev/2f34ed785dca