[Bug binutils/27140] New: [powerpc] Crash in

[marillat at debian dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=27140

            Bug ID: 27140
           Summary: [powerpc] Crash in
           Product: binutils
           Version: 2.35.1
            Status: NEW
          Severity: normal
          Priority: P2
         Component: binutils
          Assignee: unassigned at sourceware dot org
          Reporter: marillat at debian dot org
  Target Milestone: ---

Debian unstable binutils 2.35.1-6
I did a bug report to the Debian BTS without reply from the maintainer
https://bugs.debian.org/973746

See the bug report for links to the source code.

Here is the output of coredumpctl and gdb backtrace.

$ coredumpctl debug 2504
           PID: 2504 (ld.gold)
           UID: 1000 (marillat)
           GID: 1000 (marillat)
        Signal: 11 (SEGV)
     Timestamp: Fri 2021-01-01 15:14:29 CET (2min 33s ago)
  Command Line: /usr/bin/ld.gold --build-id --eh-frame-hdr --secure-plt -m
elf32ppclinux --hash-style=gnu --as-needed -dynamic-linker /lib/ld.so.1 -pie -o
kodi-xrandr
/usr/lib/gcc/powerpc-linux-gnu/10/../../../powerpc-linux-gnu/Scrt1.o
/usr/lib/gcc/powerpc-linux-gnu/10/../../../powerpc-linux-gnu/crti.o
/usr/lib/gcc/powerpc-linux-gnu/10/crtbeginS.o
-L/usr/lib/gcc/powerpc-linux-gnu/10
-L/usr/lib/gcc/powerpc-linux-gnu/10/../../../powerpc-linux-gnu
-L/usr/lib/gcc/powerpc-linux-gnu/10/../../../../lib -L/lib/powerpc-linux-gnu
-L/lib/../lib -L/usr/lib/powerpc-linux-gnu -L/usr/lib/../lib
-L/usr/lib/gcc/powerpc-linux-gnu/10/../../.. -z relro -latomic
CMakeFiles/kodi-xrandr.dir/xbmc-xrandr.c.o /usr/lib/powerpc-linux-gnu/libX11.so
/usr/lib/powerpc-linux-gnu/libXext.so -lm
/usr/lib/powerpc-linux-gnu/libXrandr.so -lgcc --push-state --as-needed -lgcc_s
--pop-state -lc -lgcc --push-state --as-needed -lgcc_s --pop-state
/usr/lib/gcc/powerpc-linux-gnu/10/crtendS.o
/usr/lib/gcc/powerpc-linux-gnu/10/../../../powerpc-linux-gnu/crtn.o
    Executable: /usr/bin/powerpc-linux-gnu-ld.gold
 Control Group: /user.slice/user-1000.slice/session-1.scope
          Unit: session-1.scope
         Slice: user-1000.slice
       Session: 1
     Owner UID: 1000 (marillat)
       Boot ID: bf7611aa70244104a29b20dfb517d897
    Machine ID: a9ca514759314ba39bd1dcfad4093fcf
      Hostname: fabian.marillat.net
       Storage:
/var/lib/systemd/coredump/core.ld\x2egold.1000.bf7611aa70244104a29b20dfb517d897.2504.1609510469000000.zst
       Message: Process 2504 (ld.gold) of user 1000 dumped core.

                Stack trace of thread 2504:
                #0  0x00000000008be83c
_ZNK12_GLOBAL__N_114Target_powerpcILi32ELb1EE11Branch_info9make_stubEPNS_10Stub_tableILi32ELb1EEES5_PN4gold12Symbol_tableE.lto_priv.0
(powerpc-linux-gnu-ld.gold + 0x8e83c)
                #1  0x0000000000896854
_ZN12_GLOBAL__N_114Target_powerpcILi32ELb1EE8do_relaxEiPKN4gold13Input_objectsEPNS2_12Symbol_tableEPNS2_6LayoutEPKNS2_4TaskE.lto_priv.0
(powerpc-linux-gnu-ld.gold + 0x66854)
                #2  0x0000000000960164
_ZN4gold18Layout_task_runner3runEPNS_9WorkqueueEPKNS_4TaskE
(powerpc-linux-gnu-ld.gold + 0x130164)
                #3  0x0000000000917cf4
_ZN4gold13Task_function3runEPNS_9WorkqueueE (powerpc-linux-gnu-ld.gold +
0xe7cf4)
                #4  0x0000000000a25e48 _ZN4gold9Workqueue17find_and_run_taskEi
(powerpc-linux-gnu-ld.gold + 0x1f5e48)
                #5  0x000000000085f62c main (powerpc-linux-gnu-ld.gold +
0x2f62c)
                #6  0x00000000001a5ce0 generic_start_main (libc.so.6 + 0x25ce0)
                #7  0x00000000001a5e80 __libc_start_main (libc.so.6 + 0x25e80)

GNU gdb (Debian 10.1-1.5) 10.1
Copyright (C) 2020 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "powerpc-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
    <http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".
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Reading symbols from /usr/bin/powerpc-linux-gnu-ld.gold...
Reading symbols from
/usr/lib/debug/.build-id/ff/7d96c8d7422d15e71f1dbb89939a91c6d52ced.debug...

warning: core file may not match specified executable file.
[New LWP 2504]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/powerpc-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/bin/ld.gold --build-id --eh-frame-hdr --secure-plt
-m elf32ppclinux --hash'.
Program terminated with signal SIGSEGV, Segmentation fault.
bt
#0  0x008be83c in (anonymous namespace)::Powerpc_relobj<32, true>::st_other
(symndx=<optimized out>, this=<optimized out>) at ../../gold/powerpc.cc:389
389     ../../gold/powerpc.cc: No such file or directory.
(gdb) bt
#0  0x008be83c in (anonymous namespace)::Powerpc_relobj<32, true>::st_other
(symndx=<optimized out>, this=<optimized out>) at ../../gold/powerpc.cc:389
#1  (anonymous namespace)::Target_powerpc<32, true>::Branch_info::make_stub
(this=0xeb0688, stub_table=0xe21d50, ifunc_stub_table=<optimized out>,
symtab=<optimized out>) at ../../gold/powerpc.cc:3584
#2  0x00896854 in (anonymous namespace)::Target_powerpc<32, true>::do_relax
(this=0xda1b40, pass=1, symtab=0xffe1edc0, layout=<optimized out>,
task=<optimized out>) at ../../gold/powerpc.cc:3770
#3  0x00960164 in gold::Target::relax (task=0xe0f760, layout=0xffe1eb28,
symtab=0xffe1edc0, input_objects=0xffe1f174, pass=1, this=0xda1b40) at
../../gold/target.h:395
#4  gold::Target::relax (task=0xe0f760, layout=0xffe1eb28, symtab=0xffe1edc0,
input_objects=0xffe1f174, pass=1, this=0xda1b40) at ../../gold/target.h:388
#5  gold::Layout::finalize (task=0xe0f760, target=0xda1b40, symtab=<optimized
out>, input_objects=0xffe1f174, this=0xffe1eb28) at ../../gold/layout.cc:3082
#6  gold::Layout_task_runner::run (this=<optimized out>, workqueue=<optimized
out>, task=0xe0f760) at ../../gold/layout.cc:375
#7  0x00917cf4 in gold::Task_function::run (this=<optimized out>,
workqueue=<optimized out>) at ../../gold/workqueue.h:178
#8  0x00a25e48 in gold::Workqueue::find_and_run_task (this=0xffe1f1dc,
thread_number=0) at ../../gold/workqueue.cc:319
#9  0x0085f62c in gold::Workqueue::process (thread_number=<optimized out>,
this=<optimized out>) at ../../gold/workqueue.cc:495
#10 main (argc=<optimized out>, argv=<optimized out>) at ../../gold/main.cc:252
(gdb)

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