https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91295
Bug ID: 91295
Summary: [gdb] program crashed with segementation fault when
set breakpoint at address
Product: gcc
Version: 8.3.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: debug
Assignee: unassigned at gcc dot gnu.org
Reporter: yangyibiao at nju dot edu.cn
Target Milestone: ---
$ gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/8/lto-wrapper
OFFLOAD_TARGET_NAMES=nvptx-none
OFFLOAD_TARGET_DEFAULT=1
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu
8.3.0-6ubuntu1~18.04.1' --with-bugurl=file:///usr/share/doc/gcc-8/README.Bugs
--enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++ --prefix=/usr
--with-gcc-major-version-only --program-suffix=-8
--program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id
--libexecdir=/usr/lib --without-included-gettext --enable-threads=posix
--libdir=/usr/lib --enable-nls --enable-bootstrap --enable-clocale=gnu
--enable-libstdcxx-debug --enable-libstdcxx-time=yes
--with-default-libstdcxx-abi=new --enable-gnu-unique-object
--disable-vtable-verify --enable-libmpx --enable-plugin --enable-default-pie
--with-system-zlib --with-target-system-zlib --enable-objc-gc=auto
--enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64
--with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic
--enable-offload-targets=nvptx-none --without-cuda-driver
--enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu
--target=x86_64-linux-gnu
Thread model: posix
gcc version 8.3.0 (Ubuntu 8.3.0-6ubuntu1~18.04.1)
$ gdb -v
GNU gdb (Ubuntu 8.2-0ubuntu1~18.04) 8.2
Copyright (C) 2018 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.
$ cat small.c
#include <stdio.h>
int main()
{
for (int *p = (int[]){ 1, 2, 3, 0 }; /* { dg-error "array" } */
*p; ++p) {
printf("%d\n", *p);
}
return 0;
}
$ gcc -g small.c && gdb -batch -x cmds a.out
Breakpoint 1 at 0x553
Program received signal SIGSEGV, Segmentation fault.
0x00007ffff7a05980 in __vdso_platform_setup () at
../sysdeps/unix/sysv/linux/x86_64/init-first.c:36
36 ../sysdeps/unix/sysv/linux/x86_64/init-first.c: No such file or
directory.
Kill the program being debugged? (y or n) [answered Y; input not from terminal]
[Inferior 1 (process 6324) killed]
##########################################################################
Error: gdb set breakpoint and program crashed wiht segmentation fault
##########################################################################
$ cat cmds
break *_init+0xb
run
kill
q
