https://sourceware.org/bugzilla/show_bug.cgi?id=25648
Bug ID: 25648
Summary: strip-new: SIGSEGV in ihex_write_record
Product: binutils
Version: 2.35 (HEAD)
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: fdgkhdkgh at gmail dot com
Target Milestone: ---
Created attachment 12362
--> https://sourceware.org/bugzilla/attachment.cgi?id=12362&action=edit
file that reproduces this problem
OS : ubuntu 18.04.3
kernel : gnu/linux 5.0.0-32-generic
processor : Intel(R) Core(TM) i5-8400 CPU @ 2.80GHz
compiler : gcc 7.4.0
Steps to Reproduce :
download the sample from attachment
strip-new -F ihex ./sample
gdb backtrace :
gdb-peda$ bt
#0 ihex_write_record (abfd=abfd@entry=0x5555558af520, count=count@entry=0x2,
addr=addr@entry=0x0, type=type@entry=0x4,
data=0x7fffffff2405 "\004", data@entry=0x7fffffff2404 "\b\004") at
ihex.c:747
#1 0x00005555555af46e in ihex_write_object_contents (abfd=0x5555558af520) at
ihex.c:860
#2 0x00005555555ab7da in bfd_close (abfd=0x5555558af520) at opncls.c:755
#3 0x000055555558e926 in copy_file (
input_filename=0x7fffffff2a00
"./single_in-test-3-9-strip-new/crashes/id:000000,sig:11,src:001416,op:argv1,rep:64",
output_filename=0x7fffffff2a56 "./stripoutput", input_target=<optimized
out>, output_target=<optimized out>, input_arch=0x0)
at objcopy.c:3818
#4 0x00005555555885ce in strip_main (argv=<optimized out>, argc=<optimized
out>) at objcopy.c:4787
#5 main (argc=<optimized out>, argc@entry=0x6, argv=<optimized out>,
argv@entry=0x7fffffff26f8) at objcopy.c:5985
#6 0x00007ffff7801b97 in __libc_start_main (main=0x555555586cb0 <main>,
argc=0x6, argv=0x7fffffff26f8, init=<optimized out>,
fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffffff26e8)
at ../csu/libc-start.c:310
#7 0x00005555555897aa in _start ()
--------
gdb report :
[----------------------------------registers-----------------------------------]
RAX: 0x663c ('<f')
RBX: 0x663c ('<f')
RCX: 0x30 ('0')
RDX: 0x1017467
RSI: 0x10001
RDI: 0x7fffffff2380 (":01FFFF0068656C6C6F20776F726C64", '0' <repeats 106
times>, "A8398B555555", '0' <repeats 20 times>,
"C0E38A5555550000883A8B555555000"...)
RBP: 0x8050000
RSP: 0x7fffffff2380 (":01FFFF0068656C6C6F20776F726C64", '0' <repeats 106
times>, "A8398B555555", '0' <repeats 20 times>,
"C0E38A5555550000883A8B555555000"...)
RIP: 0x5555555af250 (<ihex_write_record+224>: mov BYTE PTR [r9-0x1],cl)
R8 : 0x5555558b901c --> 0x0
R9 : 0x7ffffffff001
R10: 0x5555556569d0 ("0123456789ABCDEF")
R11: 0x5555558af520 --> 0x5555558af650 ("./stripoutput")
R12: 0x5555558b29e0 ("hello world")
R13: 0x10001
R14: 0x804ffff
R15: 0x0
EFLAGS: 0x10246 (carry PARITY adjust ZERO sign trap INTERRUPT direction
overflow)
[-------------------------------------code-------------------------------------]
0x5555555af245 <ihex_write_record+213>: and ecx,0xf
0x5555555af248 <ihex_write_record+216>: movzx ecx,BYTE PTR [r10+rcx*1]
0x5555555af24d <ihex_write_record+221>: mov rbx,rax
=> 0x5555555af250 <ihex_write_record+224>: mov BYTE PTR [r9-0x1],cl
0x5555555af254 <ihex_write_record+228>: cmp rax,rsi
0x5555555af257 <ihex_write_record+231>: jb 0x5555555af220
<ihex_write_record+176>
0x5555555af259 <ihex_write_record+233>: neg edx
0x5555555af25b <ihex_write_record+235>: lea rbx,[rsi+rsi*1+0xd]
[------------------------------------stack-------------------------------------]
0000| 0x7fffffff2380 (":01FFFF0068656C6C6F20776F726C64", '0' <repeats 106
times>, "A8398B555555", '0' <repeats 20 times>,
"C0E38A5555550000883A8B555555000"...)
0008| 0x7fffffff2388 ("068656C6C6F20776F726C64", '0' <repeats 106 times>,
"A8398B555555", '0' <repeats 20 times>,
"C0E38A5555550000883A8B5555550000382A8B5"...)
0016| 0x7fffffff2390 ("C6F20776F726C64", '0' <repeats 106 times>,
"A8398B555555", '0' <repeats 20 times>,
"C0E38A5555550000883A8B5555550000382A8B555555000"...)
0024| 0x7fffffff2398 ("F726C64", '0' <repeats 106 times>, "A8398B555555", '0'
<repeats 20 times>, "C0E38A5555550000883A8B5555550000382A8B555555", '0'
<repeats 11 times>...)
0032| 0x7fffffff23a0 ('0' <repeats 105 times>, "A8398B555555", '0' <repeats 20
times>, "C0E38A5555550000883A8B5555550000382A8B555555", '0' <repeats 19
times>...)
0040| 0x7fffffff23a8 ('0' <repeats 97 times>, "A8398B555555", '0' <repeats 20
times>, "C0E38A5555550000883A8B5555550000382A8B555555", '0' <repeats 27
times>...)
0048| 0x7fffffff23b0 ('0' <repeats 89 times>, "A8398B555555", '0' <repeats 20
times>, "C0E38A5555550000883A8B5555550000382A8B555555", '0' <repeats 35
times>...)
0056| 0x7fffffff23b8 ('0' <repeats 81 times>, "A8398B555555", '0' <repeats 20
times>, "C0E38A5555550000883A8B5555550000382A8B555555", '0' <repeats 43
times>...)
[------------------------------------------------------------------------------]
Legend: code, data, rodata, value
Stopped reason: SIGSEGV
ihex_write_record (abfd=0x5555558af520, count=0x10001, addr=<optimized out>,
type=<optimized out>, data=0x5555558b901b "")
at ihex.c:747
747 TOHEX (p, *data);
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