Bug #14113: Crashed Thread: 15 thread_pool.rb*

• Status: Feedback
• Priority: Normal
• Assignee: -
• Target version: -
• ruby -v: ruby 2.4.0p0 (2016-12-24 revision 57164) [x86_64-darwin17]
• Backport: 2.3: UNKNOWN, 2.4: UNKNOWN

[lanakushnir (Lana Kushnir)]

Started a project and it immediately crashed. This happened before, but so instantly.

/Users/vlad/.rbenv/versions/2.4.0/lib/ruby/2.4.0/forwardable.rb:228: [BUG] Segmentation fault at 0x00000000000038
ruby 2.4.0p0 (2016-12-24 revision 57164) [x86_64-darwin17]

[nobu (Nobuyoshi Nakada)]

• Status changed from Open to Feedback

2.4.0 is outdated, does it reproduce with 2.4.2, or trunk?

Thread 17 Crashed:: thread_pool.rb*
0   libsystem_kernel.dylib          0x00007fff6b6defce __pthread_kill + 10
1   libsystem_pthread.dylib         0x00007fff6b81c150 pthread_kill + 333
2   libsystem_c.dylib               0x00007fff6b63b30a abort + 127
3   ruby                            0x000000010ad58ef9 die + 9
4   ruby                            0x000000010ad5911e rb_bug_context + 542
5   ruby                            0x000000010ae37f28 sigsegv + 72
6   libsystem_platform.dylib        0x00007fff6b80ff5a _sigtramp + 26

Unfortunately, this just tells that it crashed.
Could you show backtrace at the crash?

[nobu (Nobuyoshi Nakada)]

Looks like [Bug #13107], which has been fixed in 2.4.1 already.