ruby-core

Issue #13524 has been updated by shyouhei (Shyouhei Urabe).

Status changed from Feedback to Third Party's Issue

Took me time for several reasons:

1. Had temporarily ran out of my docker hosts and had to prepare new one.  This is my fault.
2. The ruby:2.4-alpine's Dockerfile you linked kindly deletes compiler and other toolchains from the image.  This prevents the procedure you told us to work.  Please provide us a reproducible bug report.  I ended up writing my own Dockerfile for this. https://github.com/shyouhei/docker-library/blob/master/%2313524/Dockerfile
3. I am able to reproduce the bug now, and agree with @wanbe.  I think this is either Alpine's or jemalloc's fault (or both).

The tiny C source code that comes with my Dockerfile is a file to generate SEGV without the needs of ruby.  So at least I can say this has nothing to do with ruby.  Please report this to alpine, to check if they support jemalloc or not.  If they think it's ruby who's wrong, please tell us so.  I'll take a deeper look at it.

----------------------------------------
Bug #13524: miniruby: [BUG] Segmentation fault at 0x0055e487e00230 ruby 2.4.1p111 (2017-03-22 revision 58053) [x86_64-li
https://bugs.ruby-lang.org/issues/13524#change-65023

* Author: rtacconi (Riccardo Tacconi)
* Status: Third Party's Issue
* Priority: Normal
* Assignee: 
* Target version: 
* ruby -v: 2.4.1p111
* Backport: 2.2: UNKNOWN, 2.3: UNKNOWN, 2.4: UNKNOWN
----------------------------------------
Linux: Alpine Linux 3.5

./miniruby: [BUG] Segmentation fault at 0x0055e487e00230
ruby 2.4.1p111 (2017-03-22 revision 58053) [x86_64-linux]

-- Control frame information -----------------------------------------------
c:0001 p:0000 s:0003 E:001c20 (none) [FINISH]


-- Machine register context ------------------------------------------------
 RIP: 0x00007f3c79126046 RBP: 0x000055e487e44d00 RSP: 0x00007ffd62f251e0
 RAX: 0x00007f3c79608ae0 RBX: 0x000055e487e00000 RCX: 0x0000000000000000
 RDX: 0x0000000000000001 RDI: 0x000055e487e44d00 RSI: 0x0000000000000037
  R8: 0x00007f3c7916d680  R9: 0x0000000000000001 R10: 0x0000000000802005
 R11: 0x000000000000007a R12: 0x00007f3c78c0d000 R13: 0x00007f3c79608ae0
 R14: 0x00007f3c7937c090 R15: 0x00007f3c7937c0a0 EFL: 0x0000000000010212

-- Other runtime information -----------------------------------------------

* Loaded script: ./miniruby

* Loaded features:

    0 enumerator.so
    1 thread.rb
    2 rational.so
    3 complex.so

* Process memory map:

55e487930000-55e487c31000 r-xp 00000000 00:2e 18687                      /root/ruby-2.4.1/miniruby
55e487e30000-55e487e36000 r--p 00300000 00:2e 18687                      /root/ruby-2.4.1/miniruby
55e487e36000-55e487e37000 rw-p 00306000 00:2e 18687                      /root/ruby-2.4.1/miniruby
55e487e37000-55e487e45000 rw-p 00000000 00:00 0
7f3c78a00000-7f3c79000000 rw-p 00000000 00:00 0
7f3c7911c000-7f3c79378000 r-xp 00000000 00:2e 12926                      /usr/local/lib/libjemalloc.so.2
7f3c79378000-7f3c7937b000 r--p 0005c000 00:2e 12926                      /usr/local/lib/libjemalloc.so.2
7f3c7937b000-7f3c7937c000 rw-p 0005f000 00:2e 12926                      /usr/local/lib/libjemalloc.so.2
7f3c7937c000-7f3c7937d000 rw-p 00000000 00:00 0
7f3c7937d000-7f3c79405000 r-xp 00000000 00:2e 24                         /lib/ld-musl-x86_64.so.1
7f3c795ff000-7f3c79600000 ---p 00000000 00:00 0
7f3c79600000-7f3c79605000 rw-p 00000000 00:00 0
7f3c79605000-7f3c79606000 r--p 00088000 00:2e 24                         /lib/ld-musl-x86_64.so.1
7f3c79606000-7f3c79607000 rw-p 00089000 00:2e 24                         /lib/ld-musl-x86_64.so.1
7f3c79607000-7f3c7960a000 rw-p 00000000 00:00 0
7ffd62f07000-7ffd62f28000 rw-p 00000000 00:00 0                          [stack]
7ffd62f2f000-7ffd62f31000 r--p 00000000 00:00 0                          [vvar]
7ffd62f31000-7ffd62f33000 r-xp 00000000 00:00 0                          [vdso]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0                  [vsyscall]


[NOTE]
You may have encountered a bug in the Ruby interpreter or extension libraries.
Bug reports are welcome.
For details: http://www.ruby-lang.org/bugreport.html

make: *** [uncommon.mk:854: encdb.h] Aborted



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