This file makes r2 feels bad

[ghost]

https://www.dropbox.com/s/4lywr2jk9pcxkjn/exfat_fs.ko

[0x00003410]> s sym.exfat_fill_super
[0x00000f94]> pdf
*** buffer overflow detected ***: r2 - terminated
r2: buffer overflow attack in function - terminated

[zonkzonk]

can you specify r2 -v and wat os ?

$ file exfat_fs.ko
exfat_fs.ko: ELF 32-bit LSB relocatable, ARM, EABI5 version 1 (SYSV), BuildID[sha1]=78b8e5a43ff5a4ce9375becff7df4d53123e710c, not stripped

[ghost]

r2 -v
radare2 0.9.7git @ linux-little-x86-64 git.0.9.6-2-g61d3add
commit: 61d3add build: 2013-11-11

Linux/x86_64

[ghost]

Ok, issue reproduces only after aa

[zonkzonk]

cannot reproduce with latest build and aa

r2 -v
radare2 0.9.7git @ linux-little-x86-64 git.0.9.6-7-g2dc35ab
commit: 2dc35ab build: 2013-11-12

[ghost]

r2 -v
radare2 0.9.7git @ linux-little-x86-64 git.0.9.6-7-g2dc35ab
commit: 2dc35ab build: 2013-11-12
r2 -A exfat_fs.ko
Warning: Cannot initialize program headers
[0x00003410]> pdf@sym.exfat_fill_super
*** buffer overflow detected ***: r2 - terminated
r2: buffer overflow attack in function - terminated
Report to http://bugs.gentoo.org/
zsh: killed r2 -A exfat_fs.ko

[ghost]

Core was generated by `r2 -A exfat_fs.ko'.
Program terminated with signal 6, Aborted.
#0 0x00007fd79f49697a in __hardened_gentoo_chk_fail (damaged=0x0, func=0x0) at chk_fail.c:297
297 chk_fail.c: Нет такого файла или каталога.
(gdb) bt
#0 0x00007fd79f49697a in __hardened_gentoo_chk_fail (damaged=0x0, func=0x0) at chk_fail.c:297
#1 __GI___chk_fail () at chk_fail.c:313
#2 0x00007fd79f495108 in __strcat_chk (dest=dest@entry=0x7ffffdff03c0 "\033[36m│\033[36m", ' ' <repeats 46 times>, "\033[34m", src=src@entry=0x7fd7a2c2016f "; ", destlen=, destlen@entry=0x40) at strcat_chk.c:37
#3 0x00007fd7a2c06c70 in strcat (__src=0x7fd7a2c2016f "; ", __dest=0x7ffffdff03c0 "\033[36m│\033[36m", ' ' <repeats 46 times>, "\033[34m") at /usr/include/bits/string3.h:142
#4 r_core_print_disasm (p=0x1db3050, core=core@entry=0x606520 , addr=0xf94, buf=0x2897590 "\r\300\240\341\360\337-\351\004\260L\342d\320", <incomplete sequence \342>, len=0x520, l=0x270f, invbreak=0x0, cbytes=0x2) at disasm.c:510
#5 0x00007fd7a2be6a8c in cmd_print (data=0x606520 , input=0x2897561 "df") at cmd_print.c:714
#6 0x00007fd7a2bf0110 in r_core_cmd_subst_i (core=core@entry=0x606520 , cmd=cmd@entry=0x2897560 "pdf") at cmd.c:1214
#7 0x00007fd7a2be01cd in r_core_cmd_subst (core=core@entry=0x606520 , cmd=0x2897560 "pdf", cmd@entry=0x289ac70 "pdf@sym.exfat_fill_super ") at cmd.c:811
#8 0x00007fd7a2be039f in r_core_cmd (core=core@entry=0x606520 , cstr=, log=log@entry=0x1) at cmd.c:1396
#9 0x00007fd7a2bd8122 in r_core_prompt_exec (r=r@entry=0x606520 ) at core.c:699
#10 0x00000000004041b6 in main (argc=, argv=) at radare2.c:583

[ghost]

my .radare2rc:
e asm.syntax=att
e scr.utf8=true
e asm.lineswidth=20
fs strings