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Bug #18412

open

Segfault in test_ractor.rb

Added by vo.x (Vit Ondruch) 5 months ago. Updated 5 months ago.

Status:
Open
Priority:
Normal
Assignee:
-
Target version:
-
ruby -v:
ruby 3.0.3p157 (2021-11-24 revision 3fb7d2cadc) [powerpc64le-linux]
[ruby-core:106711]

Description

During build of Ruby 3.0.3 for Fedora, I sometimes bump into this issue:

... snip ...

test_attr.rb             ..
test_autoload.rb         ........
test_block.rb            ..........................................................
test_class.rb            ................................................
test_env.rb              ..
test_eval.rb             .....................................
test_exception.rb        ..................................
test_fiber.rb            .....
test_finalizer.rb        .
test_flip.rb             .
test_flow.rb             ..............................................................
test_fork.rb             ....
test_gc.rb               ..
test_insns.rb            ...............................................................................................................................................................................................................................................................................................................................................................................................
test_io.rb               .........
test_jump.rb             .............................
test_literal.rb          ............................................................................................................................................................
test_literal_suffix.rb   ................................................
test_load.rb             ..
test_marshal.rb          .
test_massign.rb          ..................................
test_method.rb           ...............................................................................................................................................................................................................................
test_objectspace.rb      ......
test_proc.rb             .....................................
test_ractor.rb           .........................................................................................Fstderr output is not empty
   <internal:ractor>:627: [BUG] Segmentation fault at 0x0000000000000038
   ruby 3.0.3p157 (2021-11-24 revision 3fb7d2cadc) [powerpc64le-linux]
   
   -- Control frame information -----------------------------------------------
   c:0005 p:0003 s:0020 e:000019 METHOD <internal:ractor>:627
   c:0004 p:0032 s:0013 e:000012 BLOCK  bootstraptest.tmp.rb:6 [FINISH]
   c:0003 p:---- s:0010 e:000009 CFUNC  :loop
   c:0002 p:0005 s:0006 e:000005 BLOCK  bootstraptest.tmp.rb:4 [FINISH]
   c:0001 p:---- s:0003 e:000002 (none) [FINISH]
   
   -- Ruby level backtrace information ----------------------------------------
   bootstraptest.tmp.rb:4:in `block (2 levels) in <main>'
   bootstraptest.tmp.rb:4:in `loop'
   bootstraptest.tmp.rb:6:in `block (3 levels) in <main>'
   <internal:ractor>:627:in `yield'
   
   -- C level backtrace information -------------------------------------------
   /builddir/build/BUILD/ruby-3.0.3/libruby.so.3.0.3(rb_print_backtrace+0x24) [0x7fffb1dd3604] vm_dump.c:758
   /builddir/build/BUILD/ruby-3.0.3/libruby.so.3.0.3(rb_vm_bugreport.constprop.0+0x5c0) [0x7fffb1df1780] vm_dump.c:998
   /builddir/build/BUILD/ruby-3.0.3/libruby.so.3.0.3(rb_bug_for_fatal_signal+0xa4) [0x7fffb1bbdc74] error.c:786
   /builddir/build/BUILD/ruby-3.0.3/libruby.so.3.0.3(sigsegv+0x68) [0x7fffb1d2a4a8] signal.c:963
   [0x7fffb1f80464]
   [0x7fffb191ad68]
   /builddir/build/BUILD/ruby-3.0.3/libruby.so.3.0.3(rb_native_mutex_lock+0x18) [0x7fffb1d6f558] thread_pthread.c:397
   /builddir/build/BUILD/ruby-3.0.3/libruby.so.3.0.3(ractor_select+0x480) [0x7fffb1cda060] ractor.c:61
   /builddir/build/BUILD/ruby-3.0.3/libruby.so.3.0.3(builtin_inline_class_627.lto_priv.0+0x50) [0x7fffb1cdaa30] ractor.c:1286
   /builddir/build/BUILD/ruby-3.0.3/libruby.so.3.0.3(builtin_invoker0.lto_priv.0+0x24) [0x7fffb1db5624] vm_insnhelper.c:5445
   /builddir/build/BUILD/ruby-3.0.3/libruby.so.3.0.3(vm_exec_core.lto_priv.0+0x254c) [0x7fffb1dbfe6c] insns.def:1493
   /builddir/build/BUILD/ruby-3.0.3/libruby.so.3.0.3(rb_vm_exec+0x130) [0x7fffb1ddc7e0] vm.c:2172
   /builddir/build/BUILD/ruby-3.0.3/libruby.so.3.0.3(loop_i+0x2e4) [0x7fffb1dc7bd4] vm.c:1263
   /builddir/build/BUILD/ruby-3.0.3/libruby.so.3.0.3(rb_vrescue2+0xec) [0x7fffb1bbc6cc] eval.c:1019
   /builddir/build/BUILD/ruby-3.0.3/libruby.so.3.0.3(rb_rescue2+0x3c) [0x7fffb1bbc8bc] eval.c:996
   /builddir/build/BUILD/ruby-3.0.3/libruby.so.3.0.3(rb_f_loop.lto_priv.0+0x58) [0x7fffb1dc87c8] vm_eval.c:1483
   /builddir/build/BUILD/ruby-3.0.3/libruby.so.3.0.3(ractor_safe_call_cfunc_0.lto_priv.0+0x24) [0x7fffb1da7904] vm_insnhelper.c:2748
   /builddir/build/BUILD/ruby-3.0.3/libruby.so.3.0.3(vm_call_cfunc_with_frame+0x150) [0x7fffb1db2650] vm_insnhelper.c:2931
   /builddir/build/BUILD/ruby-3.0.3/libruby.so.3.0.3(vm_sendish.lto_priv.0+0x3dc) [0x7fffb1db7b0c] vm_insnhelper.c:4532
   /builddir/build/BUILD/ruby-3.0.3/libruby.so.3.0.3(vm_exec_core.lto_priv.0+0x1890) [0x7fffb1dbf1b0] insns.def:770
   /builddir/build/BUILD/ruby-3.0.3/libruby.so.3.0.3(rb_vm_exec+0x130) [0x7fffb1ddc7e0] vm.c:2172
   /builddir/build/BUILD/ruby-3.0.3/libruby.so.3.0.3(vm_invoke_proc.lto_priv.0+0x2c0) [0x7fffb1dcfc90] vm.c:1263
   /builddir/build/BUILD/ruby-3.0.3/libruby.so.3.0.3(thread_do_start_proc.lto_priv.0+0x5ac) [0x7fffb1d7852c] vm.c:1499
   /builddir/build/BUILD/ruby-3.0.3/libruby.so.3.0.3(thread_start_func_2.constprop.0.isra.0+0x958) [0x7fffb1dfacf8] thread.c:759
   /builddir/build/BUILD/ruby-3.0.3/libruby.so.3.0.3(thread_start_func_1+0x180) [0x7fffb1d70070] thread_pthread.c:994
   [0x7fffb1916264]
   [0x7fffb19c5f30]
   
   -- Other runtime information -----------------------------------------------
   
   * Loaded script: bootstraptest.tmp.rb
   
   * Loaded features:
   
       0 enumerator.so
       1 thread.rb
       2 rational.so
       3 complex.so
       4 ruby2_keywords.rb
       5 /builddir/build/BUILD/ruby-3.0.3/.ext/powerpc64le-linux/enc/encdb.so
       6 /builddir/build/BUILD/ruby-3.0.3/.ext/powerpc64le-linux/enc/trans/transdb.so
       7 /builddir/build/BUILD/ruby-3.0.3/abrt.rb
   
   * Process memory map:
   
   102330000-102340000 r--p 00000000 fc:06 1076662947                       /builddir/build/BUILD/ruby-3.0.3/ruby
   102340000-102350000 r-xp 00010000 fc:06 1076662947                       /builddir/build/BUILD/ruby-3.0.3/ruby
   102350000-102360000 r--p 00020000 fc:06 1076662947                       /builddir/build/BUILD/ruby-3.0.3/ruby
   102360000-102370000 r--p 00020000 fc:06 1076662947                       /builddir/build/BUILD/ruby-3.0.3/ruby
   102370000-102380000 rw-p 00030000 fc:06 1076662947                       /builddir/build/BUILD/ruby-3.0.3/ruby
   134320000-134530000 rw-p 00000000 00:00 0                                [heap]
   7fff88000000-7fff88bd0000 rw-p 00000000 00:00 0 
   7fff88bd0000-7fff8c000000 ---p 00000000 00:00 0 
   7fff8c000000-7fff8cd90000 rw-p 00000000 00:00 0 
   7fff8cd90000-7fff90000000 ---p 00000000 00:00 0 
   7fff90000000-7fff901e0000 rw-p 00000000 00:00 0 
   7fff901e0000-7fff94000000 ---p 00000000 00:00 0 
   7fff94000000-7fff94be0000 rw-p 00000000 00:00 0 
   7fff94be0000-7fff98000000 ---p 00000000 00:00 0 
   7fff98000000-7fff99320000 rw-p 00000000 00:00 0 
   7fff99320000-7fff9c000000 ---p 00000000 00:00 0 
   7fff9c000000-7fff9cc40000 rw-p 00000000 00:00 0 
   7fff9cc40000-7fffa0000000 ---p 00000000 00:00 0 
   7fffa0000000-7fffa0d60000 rw-p 00000000 00:00 0 
   7fffa0d60000-7fffa4000000 ---p 00000000 00:00 0 
   7fffa7ed0000-7fffa7ee0000 ---p 00000000 00:00 0 
   7fffa7ee0000-7fffa8000000 rw-p 00000000 00:00 0 
   7fffa8000000-7fffa91a0000 rw-p 00000000 00:00 0 
   7fffa91a0000-7fffac000000 ---p 00000000 00:00 0 
   7fffada60000-7fffadaa0000 r--s 00000000 fc:06 1076662947                 /builddir/build/BUILD/ruby-3.0.3/ruby
   7fffadaa0000-7fffadab0000 r--p 00000000 fc:06 1614754146                 /usr/lib64/libgcc_s-11-20211203.so.1
   7fffadab0000-7fffadac0000 r-xp 00010000 fc:06 1614754146                 /usr/lib64/libgcc_s-11-20211203.so.1
   7fffadac0000-7fffadad0000 r--p 00020000 fc:06 1614754146                 /usr/lib64/libgcc_s-11-20211203.so.1
   7fffadad0000-7fffadae0000 r--p 00020000 fc:06 1614754146                 /usr/lib64/libgcc_s-11-20211203.so.1
   7fffadae0000-7fffadaf0000 rw-p 00030000 fc:06 1614754146                 /usr/lib64/libgcc_s-11-20211203.so.1
   7fffadaf0000-7fffadb00000 ---p 00000000 00:00 0 
   7fffadb00000-7fffadc20000 rw-p 00000000 00:00 0 
   7fffadc20000-7fffadc30000 ---p 00000000 00:00 0 
   7fffadc30000-7fffadd50000 rw-p 00000000 00:00 0 
   7fffadd50000-7fffadd60000 ---p 00000000 00:00 0 
   7fffadd60000-7fffade80000 rw-p 00000000 00:00 0 
   7fffade80000-7fffade90000 ---p 00000000 00:00 0 
   7fffade90000-7fffadfb0000 rw-p 00000000 00:00 0 
   7fffadfb0000-7fffadfc0000 ---p 00000000 00:00 0 
   7fffadfc0000-7fffae0e0000 rw-p 00000000 00:00 0 
   7fffae0e0000-7fffae0f0000 ---p 00000000 00:00 0 
   7fffae0f0000-7fffae210000 rw-p 00000000 00:00 0 
   7fffae210000-7fffae220000 ---p 00000000 00:00 0 
   7fffae220000-7fffae340000 rw-p 00000000 00:00 0 
   7fffae340000-7fffae350000 r--p 00000000 fc:06 1616770133                 /builddir/build/BUILD/ruby-3.0.3/.ext/powerpc64le-linux/enc/trans/transdb.so
   7fffae350000-7fffae360000 r-xp 00010000 fc:06 1616770133                 /builddir/build/BUILD/ruby-3.0.3/.ext/powerpc64le-linux/enc/trans/transdb.so
   7fffae360000-7fffae370000 r--p 00020000 fc:06 1616770133                 /builddir/build/BUILD/ruby-3.0.3/.ext/powerpc64le-linux/enc/trans/transdb.so
   7fffae370000-7fffae380000 r--p 00020000 fc:06 1616770133                 /builddir/build/BUILD/ruby-3.0.3/.ext/powerpc64le-linux/enc/trans/transdb.so
   7fffae380000-7fffae390000 rw-p 00000000 00:00 0 
   7fffae390000-7fffae3a0000 r--p 00000000 fc:06 1076646137                 /builddir/build/BUILD/ruby-3.0.3/.ext/powerpc64le-linux/enc/encdb.so
   7fffae3a0000-7fffae3b0000 r-xp 00010000 fc:06 1076646137                 /builddir/build/BUILD/ruby-3.0.3/.ext/powerpc64le-linux/enc/encdb.so
   7fffae3b0000-7fffae3c0000 r--p 00020000 fc:06 1076646137                 /builddir/build/BUILD/ruby-3.0.3/.ext/powerpc64le-linux/enc/encdb.so
   7fffae3c0000-7fffae3d0000 r--p 00020000 fc:06 1076646137                 /builddir/build/BUILD/ruby-3.0.3/.ext/powerpc64le-linux/enc/encdb.so
   7fffae3d0000-7fffae3e0000 rw-p 00000000 00:00 0 
   7fffae3e0000-7fffae3f0000 ---p 00000000 00:00 0 
   7fffae3f0000-7fffae460000 rw-p 00000000 00:00 0 
   7fffae460000-7fffae470000 ---p 00000000 00:00 0 
   7fffae470000-7fffae4e0000 rw-p 00000000 00:00 0 
   7fffae4e0000-7fffae4f0000 ---p 00000000 00:00 0 
   7fffae4f0000-7fffae560000 rw-p 00000000 00:00 0 
   7fffae560000-7fffae570000 ---p 00000000 00:00 0 
   7fffae570000-7fffae5e0000 rw-p 00000000 00:00 0 
   7fffae5e0000-7fffae5f0000 ---p 00000000 00:00 0 
   7fffae5f0000-7fffae660000 rw-p 00000000 00:00 0 
   7fffae660000-7fffae670000 ---p 00000000 00:00 0 
   7fffae670000-7fffae6e0000 rw-p 00000000 00:00 0 
   7fffae6e0000-7fffae6f0000 ---p 00000000 00:00 0 
   7fffae6f0000-7fffae760000 rw-p 00000000 00:00 0 
   7fffae760000-7fffae770000 ---p 00000000 00:00 0 
   7fffae770000-7fffae7e0000 rw-p 00000000 00:00 0 
   7fffae7e0000-7fffae7f0000 ---p 00000000 00:00 0 
   7fffae7f0000-7fffae860000 rw-p 00000000 00:00 0 
   7fffae860000-7fffae870000 ---p 00000000 00:00 0 
   7fffae870000-7fffae8e0000 rw-p 00000000 00:00 0 
   7fffae8e0000-7fffae8f0000 ---p 00000000 00:00 0 
   7fffae8f0000-7fffae960000 rw-p 00000000 00:00 0 
   7fffae960000-7fffae970000 ---p 00000000 00:00 0 
   7fffae970000-7fffae9e0000 rw-p 00000000 00:00 0 
   7fffae9e0000-7fffae9f0000 ---p 00000000 00:00 0 
   7fffae9f0000-7fffaea60000 rw-p 00000000 00:00 0 
   7fffaea60000-7fffaea70000 ---p 00000000 00:00 0 
   7fffaea70000-7fffaeae0000 rw-p 00000000 00:00 0 
   7fffaeae0000-7fffaeaf0000 ---p 00000000 00:00 0 
   7fffaeaf0000-7fffaeb60000 rw-p 00000000 00:00 0 
   7fffaeb60000-7fffaeb70000 ---p 00000000 00:00 0 
   7fffaeb70000-7fffaebe0000 rw-p 00000000 00:00 0 
   7fffaebe0000-7fffaebf0000 ---p 00000000 00:00 0 
   7fffaebf0000-7fffaec60000 rw-p 00000000 00:00 0 
   7fffaec60000-7fffaec70000 ---p 00000000 00:00 0 
   7fffaec70000-7fffaece0000 rw-p 00000000 00:00 0 
   7fffaece0000-7fffaecf0000 ---p 00000000 00:00 0 
   7fffaecf0000-7fffaed60000 rw-p 00000000 00:00 0 
   7fffaed60000-7fffaed70000 ---p 00000000 00:00 0 
   7fffaed70000-7fffaede0000 rw-p 00000000 00:00 0 
   7fffaede0000-7fffaedf0000 ---p 00000000 00:00 0 
   7fffaedf0000-7fffaee60000 rw-p 00000000 00:00 0 
   7fffaee60000-7fffaee70000 ---p 00000000 00:00 0 
   7fffaee70000-7fffaeee0000 rw-p 00000000 00:00 0 
   7fffaeee0000-7fffaeef0000 ---p 00000000 00:00 0 
   7fffaeef0000-7fffaef60000 rw-p 00000000 00:00 0 
   7fffaef60000-7fffaef70000 ---p 00000000 00:00 0 
   7fffaef70000-7fffaefe0000 rw-p 00000000 00:00 0 
   7fffaefe0000-7fffaeff0000 ---p 00000000 00:00 0 
   7fffaeff0000-7fffaf060000 rw-p 00000000 00:00 0 
   7fffaf060000-7fffaf070000 ---p 00000000 00:00 0 
   7fffaf070000-7fffaf0e0000 rw-p 00000000 00:00 0 
   7fffaf0e0000-7fffaf0f0000 ---p 00000000 00:00 0 
   7fffaf0f0000-7fffaf160000 rw-p 00000000 00:00 0 
   7fffaf160000-7fffaf170000 ---p 00000000 00:00 0 
   7fffaf170000-7fffaf1e0000 rw-p 00000000 00:00 0 
   7fffaf1e0000-7fffaf1f0000 ---p 00000000 00:00 0 
   7fffaf1f0000-7fffaf260000 rw-p 00000000 00:00 0 
   7fffaf260000-7fffaf270000 ---p 00000000 00:00 0 
   7fffaf270000-7fffaf2e0000 rw-p 00000000 00:00 0 
   7fffaf2e0000-7fffaf2f0000 ---p 00000000 00:00 0 
   7fffaf2f0000-7fffaf360000 rw-p 00000000 00:00 0 
   7fffaf360000-7fffaf370000 ---p 00000000 00:00 0 
   7fffaf370000-7fffb1570000 rw-p 00000000 00:00 0 
   7fffb1570000-7fffb1590000 r--p 00000000 fc:06 1615030600                 /usr/lib64/libm.so.6
   7fffb1590000-7fffb1650000 r-xp 00020000 fc:06 1615030600                 /usr/lib64/libm.so.6
   7fffb1650000-7fffb16b0000 r--p 000e0000 fc:06 1615030600                 /usr/lib64/libm.so.6
   7fffb16b0000-7fffb16c0000 r--p 00130000 fc:06 1615030600                 /usr/lib64/libm.so.6
   7fffb16c0000-7fffb16d0000 rw-p 00140000 fc:06 1615030600                 /usr/lib64/libm.so.6
   7fffb16d0000-7fffb16e0000 r--p 00000000 fc:06 1615031006                 /usr/lib64/libcrypt.so.2.0.0
   7fffb16e0000-7fffb1700000 r-xp 00010000 fc:06 1615031006                 /usr/lib64/libcrypt.so.2.0.0
   7fffb1700000-7fffb1720000 r--p 00030000 fc:06 1615031006                 /usr/lib64/libcrypt.so.2.0.0
   7fffb1720000-7fffb1730000 r--p 00040000 fc:06 1615031006                 /usr/lib64/libcrypt.so.2.0.0
   7fffb1730000-7fffb1740000 rw-p 00000000 00:00 0 
   7fffb1740000-7fffb1750000 r--p 00000000 fc:06 1615031014                 /usr/lib64/libgmp.so.10.4.1
   7fffb1750000-7fffb17d0000 r-xp 00010000 fc:06 1615031014                 /usr/lib64/libgmp.so.10.4.1
   7fffb17d0000-7fffb17f0000 r--p 00090000 fc:06 1615031014                 /usr/lib64/libgmp.so.10.4.1
   7fffb17f0000-7fffb1800000 r--p 000a0000 fc:06 1615031014                 /usr/lib64/libgmp.so.10.4.1
   7fffb1800000-7fffb1810000 rw-p 000b0000 fc:06 1615031014                 /usr/lib64/libgmp.so.10.4.1
   7fffb1810000-7fffb1830000 r-xp 00000000 fc:06 1615030899                 /usr/lib64/libz.so.1.2.11
   7fffb1830000-7fffb1840000 r--p 00010000 fc:06 1615030899                 /usr/lib64/libz.so.1.2.11
   7fffb1840000-7fffb1850000 rw-p 00020000 fc:06 1615030899                 /usr/lib64/libz.so.1.2.11
   7fffb1850000-7fffb1890000 r--p 00000000 fc:06 1615030597                 /usr/lib64/libc.so.6
   7fffb1890000-7fffb1a40000 r-xp 00040000 fc:06 1615030597                 /usr/lib64/libc.so.6
   7fffb1a40000-7fffb1ab0000 r--p 001f0000 fc:06 1615030597                 /usr/lib64/libc.so.6
   7fffb1ab0000-7fffb1ac0000 r--p 00250000 fc:06 1615030597                 /usr/lib64/libc.so.6
   7fffb1ac0000-7fffb1ad0000 rw-p 00260000 fc:06 1615030597                 /usr/lib64/libc.so.6
   7fffb1ae0000-7fffb1b20000 r--p 00000000 fc:06 1077936030                 /builddir/build/BUILD/ruby-3.0.3/libruby.so.3.0.3
   7fffb1b20000-7fffb1e10000 r-xp 00040000 fc:06 1077936030                 /builddir/build/BUILD/ruby-3.0.3/libruby.so.3.0.3
   7fffb1e10000-7fffb1f20000 r--p 00330000 fc:06 1077936030                 /builddir/build/BUILD/ruby-3.0.3/libruby.so.3.0.3
   7fffb1f20000-7fffb1f30000 ---p 00440000 fc:06 1077936030                 /builddir/build/BUILD/ruby-3.0.3/libruby.so.3.0.3
   7fffb1f30000-7fffb1f40000 r--p 00440000 fc:06 1077936030                 /builddir/build/BUILD/ruby-3.0.3/libruby.so.3.0.3
   7fffb1f40000-7fffb1f50000 rw-p 00450000 fc:06 1077936030                 /builddir/build/BUILD/ruby-3.0.3/libruby.so.3.0.3
   7fffb1f50000-7fffb1f60000 rw-p 00000000 00:00 0 
   7fffb1f60000-7fffb1f80000 r--p 00000000 00:00 0                          [vvar]
   7fffb1f80000-7fffb1f90000 r-xp 00000000 00:00 0                          [vdso]
   7fffb1f90000-7fffb1fa0000 r--p 00000000 fc:06 1615030592                 /usr/lib64/ld64.so.2
   7fffb1fa0000-7fffb1ff0000 r-xp 00010000 fc:06 1615030592                 /usr/lib64/ld64.so.2
   7fffb1ff0000-7fffb2000000 r--p 00060000 fc:06 1615030592                 /usr/lib64/ld64.so.2
   7fffb2000000-7fffb2010000 r--p 00060000 fc:06 1615030592                 /usr/lib64/ld64.so.2
   7fffb2010000-7fffb2020000 rw-p 00070000 fc:06 1615030592                 /usr/lib64/ld64.so.2
   7fffd3830000-7fffd4030000 rw-p 00000000 00:00 0                          [stack]
test_string.rb           .
test_struct.rb           .
test_syntax.rb           ............................................................................................................................................................
test_thread.rb           .................................................
Fiber count: 10000 (skipping)
#1282 test_ractor.rb:1405:in `<top (required)>': 
     workers = (0...8).map do
       Ractor.new do
         loop do
           10_000.times.map { Object.new }
           Ractor.yield Time.now
         end
       end
     end
   
     1_000.times { idle_worker, tmp_reporter = Ractor.select(*workers) }
     "ok"
  #=> "" (expected "ok")  
FAIL 1/1489 tests failed
make: *** [uncommon.mk:767: yes-btest-ruby] Error 1

... snip ...

It reminds me #18117, but that should be fixed, right?

Updated by xtkoba (Tee KOBAYASHI) 5 months ago

Presumably the same failure observed in CI for x86_64-linux-gnu: http://rubyci.s3.amazonaws.com/ubuntu/ruby-3.0/log/20211217T005904Z.log.html.gz

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