core dump on -g ?

[Susanne588586]

adding -g to gcc crashes radare:

/*

$ r2 -v
radare2 0.9.7git @ linux-little-x86-64 git.0.9.6-335-g772e2ba
commit: 772e2ba build: 2014-01-13

$ gcc -DFORTFY=2 -fstack-protector -fstack-protector-all n.c
$ r2 ./a.out
-- What do you want to debug today?
[0x004004c0]>

                          vs

$ gcc -DFORTFY=2 -fstack-protector -fstack-protector-all -g n.c
$ r2 ./a.out
Segmentation fault (core dumped)

[12705.778678] traps: r2[23408] general protection ip:7f019b69f99a sp:7fff26e91898 error:0 in libc-2.18.so[7f019b61e000+1a0000]
*/

include <stdio.h>

int main() {

char buf[1024];
int i; //

{
for (i=0; i<512; i++)
printf ("%02x", buf[i]);
printf ("\n");
}
}

Kind Regards
Susan E.

[Susanne588586]

gdb -q /usr/local/bin/r2 ../core.23408
Reading symbols from /usr/local/bin/radare2...done.

warning: core file may not match specified executable file.
[New LWP 23408]

warning: .dynamic section for "/usr/local/lib/libr_core.so.0.9.7git" is not at the expected address (wrong library or version mismatch?)

warning: .dynamic section for "/usr/local/lib/libr_anal.so.0.9.7git" is not at the expected address (wrong library or version mismatch?)

warning: .dynamic section for "/usr/local/lib/libr_asm.so.0.9.7git" is not at the expected address (wrong library or version mismatch?)

warning: .dynamic section for "/usr/local/lib/radare2/0.9.7git//asm_java.so" is not at the expected address (wrong library or version mismatch?)

warning: .dynamic section for "/usr/local/lib/radare2/0.9.7git//bin_java.so" is not at the expected address (wrong library or version mismatch?)

warning: Could not load shared library symbols for linux-vdso.so.1.
Do you need "set solib-search-path" or "set sysroot"?
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".

warning: no loadable sections found in added symbol-file system-supplied DSO at 0x7fff26edd000
Core was generated by `r2 a.out'.
Program terminated with signal 11, Segmentation fault.
#0  0x00007f019b69f99a in strlen () from /usr/lib/libc.so.6



#4  0x00007f019f342dcd in r_core_file_open (r=0x0, file=0x100000000 <Address 0x100000000 out of bounds>, mode=0, loadaddr=25271952) at file.c:320
(gdb) x/i $pc
=> 0x7f019b69f99a <strlen+42>:  movdqu (%rax),%xmm12

[radare]

can you upload that binary somewhere?

On 14 Jan 2014, at 00:11, Susanne588586 [email protected] wrote:

gdb -q /usr/local/bin/r2 ../core.23408
Reading symbols from /usr/local/bin/radare2...done.

warning: core file may not match specified executable file.
[New LWP 23408]

warning: .dynamic section for "/usr/local/lib/libr_core.so.0.9.7git" is not at the expected address (wrong library or version mismatch?)

warning: .dynamic section for "/usr/local/lib/libr_anal.so.0.9.7git" is not at the expected address (wrong library or version mismatch?)

warning: .dynamic section for "/usr/local/lib/libr_asm.so.0.9.7git" is not at the expected address (wrong library or version mismatch?)

warning: .dynamic section for "/usr/local/lib/radare2/0.9.7git//asm_java.so" is not at the expected address (wrong library or version mismatch?)

warning: .dynamic section for "/usr/local/lib/radare2/0.9.7git//bin_java.so" is not at the expected address (wrong library or version mismatch?)

warning: Could not load shared library symbols for linux-vdso.so.1.
Do you need "set solib-search-path" or "set sysroot"?
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".

warning: no loadable sections found in added symbol-file system-supplied DSO at 0x7fff26edd000
Core was generated by `r2 a.out'.
Program terminated with signal 11, Segmentation fault.
#0 0x00007f019b69f99a in strlen () from /usr/lib/libc.so.6

#4 0x00007f019f342dcd in r_core_file_open (r=0x0, file=0x100000000 <Address 0x100000000 out of bounds>, mode=0, loadaddr=25271952) at file.c:320
(gdb) x/i $pc
=> 0x7f019b69f99a <strlen+42>: movdqu (%rax),%xmm12
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