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Bug #20501

closed

ruby SEGV

Added by akr (Akira Tanaka) 6 months ago. Updated about 4 hours ago.


Description

I encountered SEGV of ruby.

% ./ruby -v
ruby 3.4.0dev (2024-05-22T06:59:19Z master 5613d6e95b) [x86_64-linux]
% ./ruby t.rb
t.rb:33: [BUG] Segmentation fault at 0x00007fc243696098
ruby 3.4.0dev (2024-05-22T06:59:19Z master 5613d6e95b) [x86_64-linux]

-- Control frame information -----------------------------------------------
c:0003 p:0000 s:4294967313 e:000018 METHOD t.rb:33
c:0002 p:0022 s:0006 e:000005 EVAL   t.rb:52 [FINISH]
c:0001 p:0000 s:0003 E:000350 DUMMY  [FINISH]

-- Ruby level backtrace information ----------------------------------------
t.rb:52:in '<main>'
t.rb:33:in 'create_no_file'

-- Threading information ---------------------------------------------------
Total ractor count: 1
Ruby thread count for this ractor: 1

-- Machine register context ------------------------------------------------
 RIP: 0x000055a1cdc8bb9c RBP: 0x000055a1cee844b0 RSP: 0x00007ffcde5cdae0
 RAX: 0x00007fc2436960a0 RBX: 0x00007fba43795f68 RCX: 0x0000000000000000
 RDX: 0x000055a1cf115cf0 RDI: 0x0000000000000009 RSI: 0x00007fba28526860
  R8: 0x00007fba436960a1  R9: 0x0000000000000000 R10: 0x00007fba28526860
 R11: 0x0000000000000003 R12: 0x0000000000000006 R13: 0x00007fba2853b698
 R14: 0x0000000d00000009 R15: 0x0000000000000b21 EFL: 0x0000000000010246

-- C level backtrace information -------------------------------------------
/home/ruby/t2/ruby/ruby(rb_print_backtrace+0x14) [0x55a1cdcae243] /home/ruby/t2/ruby/vm_dump.c:820
/home/ruby/t2/ruby/ruby(rb_vm_bugreport) /home/ruby/t2/ruby/vm_dump.c:1151
/home/ruby/t2/ruby/ruby(rb_bug_for_fatal_signal+0xf8) [0x55a1cde5abe8] /home/ruby/t2/ruby/error.c:1108
/home/ruby/t2/ruby/ruby(sigsegv+0x44) [0x55a1cdbf7864] /home/ruby/t2/ruby/signal.c:929
/lib/x86_64-linux-gnu/libc.so.6(0x7fba438f8050) [0x7fba438f8050]
/home/ruby/t2/ruby/ruby(vm_exec_handle_exception+0x2ac) [0x55a1cdc8bb9c] /home/ruby/t2/ruby/vm.c:2782
...

t.rb and the full crash report are attached.


Files

t.rb (1.27 KB) t.rb akr (Akira Tanaka), 05/22/2024 12:11 PM
crash.txt (15.8 KB) crash.txt akr (Akira Tanaka), 05/22/2024 12:11 PM
crash2.txt (11.2 KB) crash2.txt akr (Akira Tanaka), 05/24/2024 12:01 AM
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