[#106355] [Ruby master Bug#18373] RBS build failure: '/include/x86_64-linux/ruby/config.h', needed by 'constants.o'. — "vo.x (Vit Ondruch)" <noreply@...>

Issue #18373 has been reported by vo.x (Vit Ondruch).

28 messages 2021/12/01

[#106356] [Ruby master Bug#18374] make: Circular spec/ruby/optional/capi/ext/array_spec.c <- spec/ruby/optional/capi/ext/array_spec.c dependency dropped. — "vo.x (Vit Ondruch)" <noreply@...>

Issue #18374 has been reported by vo.x (Vit Ondruch).

8 messages 2021/12/01

[#106360] [Ruby master Feature#18376] Version comparison API — "vo.x (Vit Ondruch)" <noreply@...>

Issue #18376 has been reported by vo.x (Vit Ondruch).

28 messages 2021/12/01

[#106543] [Ruby master Bug#18396] An unexpected "hash value omission" syntax error when parentheses call expr follows — "koic (Koichi ITO)" <noreply@...>

Issue #18396 has been reported by koic (Koichi ITO).

10 messages 2021/12/08

[#106596] [Ruby master Misc#18399] DevMeeting-2022-01-13 — "mame (Yusuke Endoh)" <noreply@...>

Issue #18399 has been reported by mame (Yusuke Endoh).

11 messages 2021/12/09

[#106621] [Ruby master Misc#18404] 3.1 documentation problems tracking ticket — "zverok (Victor Shepelev)" <noreply@...>

Issue #18404 has been reported by zverok (Victor Shepelev).

16 messages 2021/12/11

[#106634] [Ruby master Bug#18407] Behavior difference between integer and string flags to File creation — deivid <noreply@...>

Issue #18407 has been reported by deivid (David Rodr鱈guez).

12 messages 2021/12/13

[#106644] [Ruby master Bug#18408] Rightward assignment into instance variable — "Dan0042 (Daniel DeLorme)" <noreply@...>

Issue #18408 has been reported by Dan0042 (Daniel DeLorme).

23 messages 2021/12/13

[#106686] [Ruby master Bug#18409] Crash (free(): invalid pointer) if LD_PRELOAD doesn't explicitly include libjemalloc.so.2 — "itay-grudev (Itay Grudev)" <noreply@...>

Issue #18409 has been reported by itay-grudev (Itay Grudev).

7 messages 2021/12/15

[#106730] [Ruby master Bug#18417] IO::Buffer problems — "zverok (Victor Shepelev)" <noreply@...>

Issue #18417 has been reported by zverok (Victor Shepelev).

9 messages 2021/12/19

[#106784] [CommonRuby Feature#18429] Configure ruby-3.0.3 on Solaris 10 Unknown keyword 'URL' in './ruby.tmp.pc' — "dklein (Dmitri Klein)" <noreply@...>

Issue #18429 has been reported by dklein (Dmitri Klein).

32 messages 2021/12/23

[#106828] [Ruby master Bug#18435] Calling `protected` on ancestor method changes result of `instance_methods(false)` — "ufuk (Ufuk Kayserilioglu)" <noreply@...>

Issue #18435 has been reported by ufuk (Ufuk Kayserilioglu).

23 messages 2021/12/26

[#106833] [Ruby master Feature#18438] Add `Exception#additional_message` to show additional error information — "mame (Yusuke Endoh)" <noreply@...>

Issue #18438 has been reported by mame (Yusuke Endoh).

30 messages 2021/12/27

[#106834] [Ruby master Bug#18439] Support YJIT for VC++ — "usa (Usaku NAKAMURA)" <noreply@...>

Issue #18439 has been reported by usa (Usaku NAKAMURA).

11 messages 2021/12/27

[#106851] [Ruby master Bug#18442] Make Ruby 3.0.3 on Solaris 10 with "The following command caused the error: cc -D_STDC_C99= " — "dklein (Dmitri Klein)" <noreply@...>

Issue #18442 has been reported by dklein (Dmitri Klein).

8 messages 2021/12/27

[#106928] [Ruby master Bug#18454] YJIT slowing down key Discourse benchmarks — "sam.saffron (Sam Saffron)" <noreply@...>

Issue #18454 has been reported by sam.saffron (Sam Saffron).

8 messages 2021/12/31

[ruby-core:106713] [Ruby master Bug#18133] LTO: TestGCCompact#test_ast_compacts segfaults on i686

From: "peterzhu2118 (Peter Zhu)" <noreply@...>
Date: 2021-12-16 14:44:47 UTC
List: ruby-core #106713
Issue #18133 has been updated by peterzhu2118 (Peter Zhu).


Thank you for checking the patch! Historically, Ruby has been using 16KB pages, so there's assumptions in the GC about this. This wasn't a problem on 64KB page size systems when we were using `posix_memalign`, but we can no longer use that with compaction (the change from `posix_memalign` to `mmap` was made this year). I will look into allocating pages larger than 16KB so we can use `mmap` on these platforms.

----------------------------------------
Bug #18133: LTO: TestGCCompact#test_ast_compacts segfaults on i686
https://bugs.ruby-lang.org/issues/18133#change-95397

* Author: vo.x (Vit Ondruch)
* Status: Assigned
* Priority: Normal
* ruby -v: ruby 3.0.2p107 (2021-07-07 revision 0db68f0233) [i386-linux]
* Backport: 2.6: UNKNOWN, 2.7: UNKNOWN, 3.0: UNKNOWN
----------------------------------------
I observe following segfault running the test suite on i686 on RHEL9:

~~~
$ gdb --args ./miniruby -I./lib -I. -I.ext/common  ./tool/runruby.rb --extout=.ext  -- --disable-gems ./test/runner.rb --excludes-dir=./test/excludes -v

... snip ...

(gdb) handle SIGPIPE noprint nostop pass
Signal        Stop	Print	Pass to program	Description
SIGPIPE       No	No	Yes		Broken pipe
(gdb) r

... snip ...

[ 8347/20497] TestGBK#test_mbc_enc_len = 0.00 s
[ 8348/20497] TestGBK#test_mbc_to_code = 0.00 s
[ 8349/20497] TestGCCompact#test_ast_compacts--Type <RET> for more, q to quit, c to continue without paging--

Thread 1 "ruby" received signal SIGSEGV, Segmentation fault.
0xf7e33fe6 in rb_class_remove_from_super_subclasses (klass=<optimized out>) at /builddir/build/BUILD/ruby-3.0.2/class.c:96
96		    RCLASS_EXT(entry->next->klass)->parent_subclasses = RCLASS_EXT(klass)->parent_subclasses;
(gdb) bt
#0  0xf7e33fe6 in rb_class_remove_from_super_subclasses (klass=<optimized out>) at /builddir/build/BUILD/ruby-3.0.2/class.c:96
#1  obj_free (obj=<optimized out>, objspace=0x5655ac30) at /builddir/build/BUILD/ruby-3.0.2/gc.c:3019
#2  gc_page_sweep (sweep_page=0x5a40e1f0, heap=0x5655ac48, objspace=0x5655ac30) at /builddir/build/BUILD/ruby-3.0.2/gc.c:4914
#3  gc_sweep_step.isra.0 (objspace=<optimized out>, heap=<optimized out>) at /builddir/build/BUILD/ruby-3.0.2/gc.c:5134
#4  0xf7ca3f09 in gc_sweep_rest (objspace=<optimized out>) at /builddir/build/BUILD/ruby-3.0.2/gc.c:5190
#5  gc_sweep (objspace=0x5655ac30) at /builddir/build/BUILD/ruby-3.0.2/gc.c:5313
#6  0xf7ca8250 in gc_marks (full_mark=<optimized out>, objspace=<optimized out>) at /builddir/build/BUILD/ruby-3.0.2/gc.c:7504
#7  gc_start (objspace=<optimized out>, reason=<optimized out>) at /builddir/build/BUILD/ruby-3.0.2/gc.c:8322
#8  0xf7ca8530 in garbage_collect (objspace=objspace@entry=0x5655ac30, reason=reason@entry=238592) at /builddir/build/BUILD/ruby-3.0.2/gc.c:8210
#9  0xf7caa723 in gc_start_internal (compact=2, immediate_sweep=2, immediate_mark=2, full_mark=2, self=1448715280, ec=0x5655afac) at /builddir/build/BUILD/ruby-3.0.2/gc.c:8553
#10 gc_compact (ec=0x5655afac, self=1448715280) at /builddir/build/BUILD/ruby-3.0.2/gc.c:9468
#11 0xf7dfae3c in invoke_bf (argv=0x0, bf=<optimized out>, reg_cfp=<optimized out>, ec=0x5655afac) at /builddir/build/BUILD/ruby-3.0.2/vm_insnhelper.c:5583
#12 vm_invoke_builtin_delegate (ec=0x5655afac, cfp=<optimized out>, bf=<optimized out>, start_index=0) at /builddir/build/BUILD/ruby-3.0.2/vm_insnhelper.c:5607
#13 0xf7e0664c in vm_exec_core (ec=0x0, initial=1448732852) at /builddir/build/BUILD/ruby-3.0.2/insns.def:1482
#14 0xf7e1d0d5 in rb_vm_exec (ec=<optimized out>, mjit_enable_p=<optimized out>) at /builddir/build/BUILD/ruby-3.0.2/vm.c:2172
#15 0xf7e0c3c9 in invoke_block (captured=<optimized out>, captured=<optimized out>, opt_pc=<optimized out>, type=<optimized out>, cref=0x0, self=1450588460, iseq=0x5669174c, ec=0x5655afac)
    at /builddir/build/BUILD/ruby-3.0.2/vm_insnhelper.c:399
#16 invoke_iseq_block_from_c (me=0x0, is_lambda=<optimized out>, cref=0x0, passed_block_handler=0, kw_splat=0, argv=0xffffbf00, argc=1, self=1450588460, captured=<optimized out>, ec=0x5655afac)
    at /builddir/build/BUILD/ruby-3.0.2/vm.c:1335
#17 invoke_block_from_c_bh (force_blockarg=<optimized out>, is_lambda=<optimized out>, cref=<optimized out>, passed_block_handler=<optimized out>, kw_splat=<optimized out>, argv=<optimized out>, 
    argc=<optimized out>, block_handler=<optimized out>, ec=<optimized out>) at /builddir/build/BUILD/ruby-3.0.2/vm.c:1353
#18 vm_yield (kw_splat=0, argv=0xffffbf00, argc=1, ec=0x5655afac) at /builddir/build/BUILD/ruby-3.0.2/vm.c:1398
#19 rb_yield_0 (argv=0xffffbf00, argc=1) at /builddir/build/BUILD/ruby-3.0.2/vm_eval.c:1333
#20 rb_yield (val=<optimized out>) at /builddir/build/BUILD/ruby-3.0.2/vm_eval.c:1349
#21 0xf7c2ae74 in rb_ary_collect (ary=1503666180) at /builddir/build/BUILD/ruby-3.0.2/array.c:3635
#22 0xf7dfc835 in vm_call_cfunc_with_frame (ec=0x5655afac, reg_cfp=0xf77f6d70, calling=0xffffc004) at /builddir/build/BUILD/ruby-3.0.2/vm_insnhelper.c:2929
#23 0xf7dfdd31 in vm_sendish (ec=0x5655afac, reg_cfp=0xf77f6d70, cd=0x566c8f00, block_handler=4152323453, method_explorer=mexp_search_method) at /builddir/build/BUILD/ruby-3.0.2/vm_callinfo.h:336
#24 0xf7e0590a in vm_exec_core (ec=0x0, initial=1448732852) at /builddir/build/BUILD/ruby-3.0.2/insns.def:770
#25 0xf7e1d0d5 in rb_vm_exec (ec=<optimized out>, mjit_enable_p=<optimized out>) at /builddir/build/BUILD/ruby-3.0.2/vm.c:2172
#26 0xf7e0c3c9 in invoke_block (captured=<optimized out>, captured=<optimized out>, opt_pc=<optimized out>, type=<optimized out>, cref=0x0, self=1450588460, iseq=0x56691850, ec=0x5655afac)
    at /builddir/build/BUILD/ruby-3.0.2/vm_insnhelper.c:399
#27 invoke_iseq_block_from_c (me=0x0, is_lambda=<optimized out>, cref=0x0, passed_block_handler=0, kw_splat=0, argv=0xffffc2b0, argc=1, self=1450588460, captured=<optimized out>, ec=0x5655afac)
    at /builddir/build/BUILD/ruby-3.0.2/vm.c:1335
#28 invoke_block_from_c_bh (force_blockarg=<optimized out>, is_lambda=<optimized out>, cref=<optimized out>, passed_block_handler=<optimized out>, kw_splat=<optimized out>, argv=<optimized out>, 
    argc=<optimized out>, block_handler=<optimized out>, ec=<optimized out>) at /builddir/build/BUILD/ruby-3.0.2/vm.c:1353
#29 vm_yield (kw_splat=0, argv=0xffffc2b0, argc=1, ec=0x5655afac) at /builddir/build/BUILD/ruby-3.0.2/vm.c:1398
#30 rb_yield_0 (argv=0xffffc2b0, argc=1) at /builddir/build/BUILD/ruby-3.0.2/vm_eval.c:1333
#31 rb_yield (val=<optimized out>) at /builddir/build/BUILD/ruby-3.0.2/vm_eval.c:1349
#32 0xf7c2ac4a in rb_ary_each (ary=<optimized out>) at /builddir/build/BUILD/ruby-3.0.2/array.c:2523
#33 rb_ary_each (ary=1501058480) at /builddir/build/BUILD/ruby-3.0.2/array.c:2517
#34 0xf7dfc835 in vm_call_cfunc_with_frame (ec=0x5655afac, reg_cfp=0xf77f6dfc, calling=0xffffc474) at /builddir/build/BUILD/ruby-3.0.2/vm_insnhelper.c:2929
#35 0xf7e00602 in vm_call_method_each_type (ec=0x5655afac, cfp=0xf77f6dfc, calling=0xffffc474) at /builddir/build/BUILD/ruby-3.0.2/vm_insnhelper.c:3419
#36 0xf7e00a46 in vm_call_refined (calling=<optimized out>, cfp=0xf77f6dfc, ec=0x5655afac) at /builddir/build/BUILD/ruby-3.0.2/vm_insnhelper.c:3398
#37 vm_call_method_each_type (ec=0x5655afac, cfp=0xf77f6dfc, calling=<optimized out>) at /builddir/build/BUILD/ruby-3.0.2/vm_insnhelper.c:3476
#38 0xf7dfdd31 in vm_sendish (ec=0x5655afac, reg_cfp=0xf77f6dfc, cd=0x5669f510, block_handler=4152323593, method_explorer=mexp_search_method) at /builddir/build/BUILD/ruby-3.0.2/vm_callinfo.h:336
#39 0xf7e0590a in vm_exec_core (ec=0x0, initial=1448732852) at /builddir/build/BUILD/ruby-3.0.2/insns.def:770
#40 0xf7e1d0d5 in rb_vm_exec (ec=<optimized out>, mjit_enable_p=<optimized out>) at /builddir/build/BUILD/ruby-3.0.2/vm.c:2172
#41 0xf7e0c3c9 in invoke_block (captured=<optimized out>, captured=<optimized out>, opt_pc=<optimized out>, type=<optimized out>, cref=0x0, self=1450588460, iseq=0x566900cc, ec=0x5655afac)
    at /builddir/build/BUILD/ruby-3.0.2/vm_insnhelper.c:399
#42 invoke_iseq_block_from_c (me=0x0, is_lambda=<optimized out>, cref=0x0, passed_block_handler=0, kw_splat=0, argv=0xffffc720, argc=1, self=1450588460, captured=<optimized out>, ec=0x5655afac)
    at /builddir/build/BUILD/ruby-3.0.2/vm.c:1335
#43 invoke_block_from_c_bh (force_blockarg=<optimized out>, is_lambda=<optimized out>, cref=<optimized out>, passed_block_handler=<optimized out>, kw_splat=<optimized out>, argv=<optimized out>, 
    argc=<optimized out>, block_handler=<optimized out>, ec=<optimized out>) at /builddir/build/BUILD/ruby-3.0.2/vm.c:1353
#44 vm_yield (kw_splat=0, argv=0xffffc720, argc=1, ec=0x5655afac) at /builddir/build/BUILD/ruby-3.0.2/vm.c:1398
#45 rb_yield_0 (argv=0xffffc720, argc=1) at /builddir/build/BUILD/ruby-3.0.2/vm_eval.c:1333
#46 rb_yield (val=<optimized out>) at /builddir/build/BUILD/ruby-3.0.2/vm_eval.c:1349
#47 0xf7c2ac4a in rb_ary_each (ary=<optimized out>) at /builddir/build/BUILD/ruby-3.0.2/array.c:2523
--Type <RET> for more, q to quit, c to continue without paging--
#48 rb_ary_each (ary=1501058920) at /builddir/build/BUILD/ruby-3.0.2/array.c:2517
#49 0xf7dfc835 in vm_call_cfunc_with_frame (ec=0x5655afac, reg_cfp=0xf77f6ec0, calling=0xffffc8e4) at /builddir/build/BUILD/ruby-3.0.2/vm_insnhelper.c:2929
#50 0xf7e00602 in vm_call_method_each_type (ec=0x5655afac, cfp=0xf77f6ec0, calling=0xffffc8e4) at /builddir/build/BUILD/ruby-3.0.2/vm_insnhelper.c:3419
#51 0xf7e00a46 in vm_call_refined (calling=<optimized out>, cfp=0xf77f6ec0, ec=0x5655afac) at /builddir/build/BUILD/ruby-3.0.2/vm_insnhelper.c:3398
#52 vm_call_method_each_type (ec=0x5655afac, cfp=0xf77f6ec0, calling=<optimized out>) at /builddir/build/BUILD/ruby-3.0.2/vm_insnhelper.c:3476
#53 0xf7dfdd31 in vm_sendish (ec=0x5655afac, reg_cfp=0xf77f6ec0, cd=0x566cbca0, block_handler=4152323789, method_explorer=mexp_search_method) at /builddir/build/BUILD/ruby-3.0.2/vm_callinfo.h:336
#54 0xf7e0590a in vm_exec_core (ec=0x0, initial=1448732852) at /builddir/build/BUILD/ruby-3.0.2/insns.def:770
#55 0xf7e1d0d5 in rb_vm_exec (ec=<optimized out>, mjit_enable_p=<optimized out>) at /builddir/build/BUILD/ruby-3.0.2/vm.c:2172
#56 0xf7e1da4e in rb_iseq_eval (iseq=0x5657ad18) at /builddir/build/BUILD/ruby-3.0.2/vm.c:2409
#57 0xf7cdb23e in load_iseq_eval (ec=0x5655afac, fname=<optimized out>) at /builddir/build/BUILD/ruby-3.0.2/load.c:594
#58 0xf7ce0ef8 in require_internal (ec=<optimized out>, fname=<optimized out>, exception=<optimized out>) at /builddir/build/BUILD/ruby-3.0.2/load.c:1065
#59 0xf7ce10ce in rb_require_string (fname=1448587920) at /builddir/build/BUILD/ruby-3.0.2/load.c:1142
#60 0xf7ce117c in rb_f_require_relative (obj=1448845900, fname=1448588380) at /builddir/build/BUILD/ruby-3.0.2/load.c:857
#61 0xf7dfc835 in vm_call_cfunc_with_frame (ec=0x5655afac, reg_cfp=0xf77f6fd8, calling=0xffffce04) at /builddir/build/BUILD/ruby-3.0.2/vm_insnhelper.c:2929
#62 0xf7e00602 in vm_call_method_each_type (ec=0x5655afac, cfp=0xf77f6fd8, calling=0xffffce04) at /builddir/build/BUILD/ruby-3.0.2/vm_insnhelper.c:3419
#63 0xf7dfdd31 in vm_sendish (ec=0x5655afac, reg_cfp=0xf77f6fd8, cd=0x56616828, block_handler=0, method_explorer=mexp_search_method) at /builddir/build/BUILD/ruby-3.0.2/vm_callinfo.h:336
#64 0xf7e04d92 in vm_exec_core (ec=0x0, initial=1448732852) at /builddir/build/BUILD/ruby-3.0.2/insns.def:789
#65 0xf7e1d0d5 in rb_vm_exec (ec=<optimized out>, mjit_enable_p=<optimized out>) at /builddir/build/BUILD/ruby-3.0.2/vm.c:2172
#66 0xf7e1db19 in rb_iseq_eval_main (iseq=0x5657b63c) at /builddir/build/BUILD/ruby-3.0.2/vm.c:2420
#67 0xf7c91b99 in rb_ec_exec_node (ec=ec@entry=0x5655afac, n=n@entry=0x5657b63c) at /builddir/build/BUILD/ruby-3.0.2/eval.c:317
#68 0xf7c964fa in ruby_run_node (n=0x5657b63c) at /builddir/build/BUILD/ruby-3.0.2/eval.c:375
#69 0x56556143 in main (argc=<optimized out>, argv=<optimized out>) at ./main.c:50
~~~

Unfortunately:

1) I don' have better reproducer then to run the whole test suite and even then it is not triggered always. I was not successful to hit the issue running just the single test case or the test file.
2) I have failed to reproduce this on CentOS Stream 9, which is surprising.

Luckily, I can reproduce it on my system.

This is seems to be related to LTO, because I have never faced such issue with LTO disabled.

---Files--------------------------------
mmap.patch (9.45 KB)
mmap.patch (11.1 KB)


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