1706033 - Crash in [@ core::str::slice_error_fail | minidump_writer_linux::thread_info::imp::ThreadInfoX86::create_impl]

Status: RESOLVED FIXED

(Toolkit :: Crash Reporting, defect)

Description

[Gabriele Svelto [:gsvelto]]

Crash report: https://crash-stats.mozilla.org/report/index/b14cd0d0-a072-4717-9a16-c846b0210417

MOZ_CRASH Reason: byte index 6 is out of bounds of

Top 10 frames of crashing thread:

0 libxul.so RustMozCrash mozglue/static/rust/wrappers.cpp:17
1 libxul.so mozglue_static::panic_hook mozglue/static/rust/lib.rs:89
2 libxul.so core::ops::function::Fn::call /builds/worker/fetches/rustc/lib/rustlib/src/rust/library/core/src/ops/function.rs:70
3 libxul.so std::panicking::rust_panic_with_hook library/std/src/panicking.rs:595
4 libxul.so std::panicking::begin_panic_handler::{{closure}} library/std/src/panicking.rs:497
5 libxul.so std::sys_common::backtrace::__rust_end_short_backtrace library/std/src/sys_common/backtrace.rs:141
6 libxul.so rust_begin_unwind library/std/src/panicking.rs:493
7 libxul.so core::panicking::panic_fmt library/core/src/panicking.rs:92
8 libxul.so core::str::slice_error_fail library/core/src/str/mod.rs:91
9 libxul.so minidump_writer_linux::thread_info::imp::ThreadInfoX86::create_impl third_party/rust/minidump_writer_linux/src/thread_info/thread_info_x86.rs:84

This is a crash in our new oxidized minidump writer. The crashes seem to be coming from a single installation of Slackware so it's not impossible that this is an issue with the user's machine rather than with our code.

Comment 1

[msirringhaus]

Attachment: Bug 1706033 - Fix potential crash with out-of-bounds indexing r=gsvelto

Comment 2

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/dfb2074c081d
Fix potential crash with out-of-bounds indexing r=gsvelto

Comment 3

[Alexandru Michis [:malexandru]]

https://hg.mozilla.org/mozilla-central/rev/dfb2074c081d