execstack-prelink-debug.txt

execstack-prelink-debug.txt (text/plain), 7.45 KB, created by solar (RETIRED) on 2005-05-05 23:45:32 UTC

Using host libthread_db library "/lib/libthread_db.so.1".
Core was generated by `execstack -q /dev/shm/t/a.out'.
Program terminated with signal 11, Segmentation fault.
#0  0x4002f608 in file_read_elf (fildes=0x8075fe0, map_address=0x0, offset=0x0, maxsize=0x1, cmd=ELF_C_READ, parent=0x0) at elf_begin.c:313
	in elf_begin.c
backtrace full
#0  0x4002f608 in file_read_elf (fildes=0x8075fe0, map_address=0x0, offset=0x0, maxsize=0x1, cmd=ELF_C_READ, parent=0x0) at elf_begin.c:313
	cnt = 0x491
	e_ident = (unsigned char *) 0xbfffe420 "\177ELF\001\001\001"
	scncnt = 0x40000000
	elf = (Elf *) 0x8075fe0
	__PRETTY_FUNCTION__ = "file_read_elf"
#1  0x4002fd16 in read_unmmaped_file (fildes=0x3, offset=0x0, maxsize=0xffffffff, cmd=ELF_C_READ, parent=0x0) at elf_begin.c:483
	header = "\177ELF\001\001\001\000\000\000\000\000\000\000\000"
	nread = 0x8095f50
#2  0x4002ff29 in read_file (fildes=0x3, offset=0x0, maxsize=0xffffffff, cmd=ELF_C_READ, parent=0x0) at elf_begin.c:566
	map_address = (void *) 0x0
	use_mmap = 0x8095f50
	__PRETTY_FUNCTION__ = "read_file"
#3  0x40030919 in elf_begin (fildes=0x3, cmd=ELF_C_READ, ref=0x0) at elf_begin.c:1025
	retval = (Elf *) 0x8095f50
#4  0x0804c5b8 in fdopen_dso (fd=0x3, name=0xbfffe9c6 "/dev/shm/t/a.out") at dso.c:261
	elf = (Elf *) 0x0
	ehdr = {e_ident = "Åéÿ¿´O\001@\224\003\000\000ðT\001@", e_type = 0xe780, e_machine = 0xbfff, e_version = 0x40009da3, e_entry = 0x4003f3204001569c, e_phoff = 0x100000001, e_shoff = 0x0, e_flags = 0x80487a4, e_ehsize = 0x5328, e_phentsize = 0x807, e_phnum = 0x3a, e_shentsize = 0x0, e_shnum = 0x8d38, e_shstrndx = 0x804}
	last_off = 0x1bfffe9c6
	i = 0x0
	j = 0x1
	k = 0x2
	last = 0x807607c
	sections = (int *) 0x807612c
	invsections = (int *) 0x40015b88
	dso = (DSO *) 0x0
	plarch = (struct PLArch *) 0xbfffe6a0
	__PRETTY_FUNCTION__ = "fdopen_dso"
#5  0x0804c472 in open_dso (name=0xbfffe9c6 "/dev/shm/t/a.out") at dso.c:222
	fd = 0x3
#6  0x0804aa88 in main (argc=0x3, argv=0xbfffe854) at execstack.c:414
	dso = (DSO *) 0x401302a0
	ret = 0xbfffe808
	remaining = 0x3
	failures = 0x0

x/16i0x4002f608 <file_read_elf+962>:	mov    %edx,0xf8(%eax)
0x4002f60e <file_read_elf+968>:	mov    %esi,0xfc(%eax)
0x4002f614 <file_read_elf+974>:	mov    %ecx,0x114(%eax)
0x4002f61a <file_read_elf+980>:	inc    %edx
0x4002f61b <file_read_elf+981>:	cmp    0xffffffe8(%ebp),%edx
0x4002f61e <file_read_elf+984>:	jb     0x4002f5fa <file_read_elf+948>
0x4002f620 <file_read_elf+986>:	lea    0x9c(%esi),%eax
0x4002f626 <file_read_elf+992>:	mov    %eax,0x4c(%esi)
0x4002f629 <file_read_elf+995>:	jmp    0x4002f8d2 <file_read_elf+1676>
0x4002f62e <file_read_elf+1000>:	mov    0xffffffe8(%ebp),%ecx
0x4002f631 <file_read_elf+1003>:	mov    %ecx,0xa0(%esi)
0x4002f637 <file_read_elf+1009>:	mov    %ecx,0x9c(%esi)
0x4002f63d <file_read_elf+1015>:	cmpl   $0x0,0xc(%ebp)
0x4002f641 <file_read_elf+1019>:	je     0x4002f6f1 <file_read_elf+1195>
0x4002f647 <file_read_elf+1025>:	mov    0xffffffec(%ebp),%eax
0x4002f64a <file_read_elf+1028>:	cmpb   $0x1,0x5(%eax)

info registers

eax            0x8095f50	0x8095f50
ecx            0x807607c	0x807607c
edx            0x491	0x491
ebx            0x4003e7fc	0x4003e7fc
esp            0xbfffe400	0xbfffe400
ebp            0xbfffe4b8	0xbfffe4b8
esi            0x8075fe0	0x8075fe0
edi            0x1	0x1
eip            0x4002f608	0x4002f608
eflags         0x10206	0x10206
cs             0x23	0x23
ss             0x2b	0x2b
ds             0x2b	0x2b
es             0x2b	0x2b
fs             0x2b	0x2b
gs             0x2b	0x2b



--------------------------------------------------------------------

Using host libthread_db library "/lib/libthread_db.so.1".
Core was generated by `prelink -n /dev/shm/t/a.out'.
Program terminated with signal 11, Segmentation fault.
#0  file_read_elf (fildes=0x85b6340, map_address=0x0, offset=0x0, maxsize=0x1, cmd=ELF_C_READ, parent=0x0) at elf_begin.c:315
	in elf_begin.c
backtrace full
#0  file_read_elf (fildes=0x85b6340, map_address=0x0, offset=0x0, maxsize=0x1, cmd=ELF_C_READ, parent=0x0) at elf_begin.c:315
	cnt = 0xb64
	e_ident = (unsigned char *) 0xbfffe780 "\177ELF\001\001\001"
	scncnt = 0x40000000
	elf = (Elf *) 0x85b6340
	__PRETTY_FUNCTION__ = "file_read_elf"
#1  0x080931a2 in read_unmmaped_file (fildes=0x3, offset=0x0, maxsize=0xffffffff, cmd=ELF_C_READ, parent=0x0) at elf_begin.c:483
	header = "\177ELF\001\001\001\000\000\000\000\000\000\000\000"
	nread = 0x8605f00
#2  0x08093389 in read_file (fildes=0x3, offset=0x0, maxsize=0xffffffff, cmd=ELF_C_READ, parent=0x0) at elf_begin.c:566
	map_address = (void *) 0x0
	use_mmap = 0x8605f00
	__PRETTY_FUNCTION__ = "read_file"
#3  0x08093cf5 in elf_begin (fildes=0x3, cmd=ELF_C_READ, ref=0x0) at elf_begin.c:1025
	retval = (Elf *) 0x8605f00
#4  0x08070ce8 in fdopen_dso (fd=0x3, name=0xbfffefe4 "/dev/shm/t/a.out") at dso.c:261
	elf = (Elf *) 0x0
	ehdr = {e_ident = '\0' <repeats 15 times>, e_type = 0x0, e_machine = 0x0, e_version = 0x0, e_entry = 0x9, e_phoff = 0x34ce06, e_shoff = 0x4000000000000003, e_flags = 0x1000, e_ehsize = 0xff18, e_phentsize = 0x811, e_phnum = 0x0, e_shentsize = 0x0, e_shnum = 0xeae0, e_shstrndx = 0xbfff}
	last_off = 0x2000000000
	i = 0x0
	j = 0x0
	k = 0x0
	last = 0x0
	sections = (int *) 0x900
	invsections = (int *) 0xbfffefe4
	dso = (DSO *) 0x0
	plarch = (struct PLArch *) 0x83de9d0
	__PRETTY_FUNCTION__ = "fdopen_dso"
#5  0x08059d3e in gather_binlib (name=0xbfffefe4 "/dev/shm/t/a.out", st=0xbfffeb60) at gather.c:930
	e_ident = "\177ELF\001\001\001\000\000\000\000\000\000\000\000\000\002"
	fd = 0x3
	type = 0x2
	dso = (DSO *) 0x80ac08b
	ent = (struct prelink_entry *) 0x0
	__PRETTY_FUNCTION__ = "gather_binlib"
#6  0x08059fd8 in gather_object (name=0xbfffefe4 "/dev/shm/t/a.out", deref=0x0, onefs=0x0) at gather.c:1003
	st = {st_dev = 0x9, __pad1 = 0x0, __st_ino = 0x34ce06, st_mode = 0x81a4, st_nlink = 0x1, st_uid = 0xa28, st_gid = 0xa28, st_rdev = 0x0, __pad2 = 0x0, st_size = 0x200, st_blksize = 0x1000, st_blocks = 0x8, st_atim = {tv_sec = 0x427b0fcb, tv_nsec = 0x0}, st_mtim = {tv_sec = 0x427878da, tv_nsec = 0x0}, st_ctim = {tv_sec = 0x42787fc9, tv_nsec = 0x0}, st_ino = 0x34ce06}
#7  0x0805e1db in main (argc=0x3, argv=0xbfffee74) at main.c:421
	remaining = 0x3
	failures = 0x0

x/16i0x8092ae2 <file_read_elf+942>:	mov    %ecx,0x114(%eax)
0x8092ae8 <file_read_elf+948>:	inc    %edx
0x8092ae9 <file_read_elf+949>:	cmp    0xffffffec(%ebp),%edx
0x8092aec <file_read_elf+952>:	jb     0x8092ac8 <file_read_elf+916>
0x8092aee <file_read_elf+954>:	lea    0x9c(%ebx),%eax
0x8092af4 <file_read_elf+960>:	mov    %eax,0x4c(%ebx)
0x8092af7 <file_read_elf+963>:	jmp    0x8092d9b <file_read_elf+1639>
0x8092afc <file_read_elf+968>:	mov    0xffffffec(%ebp),%edx
0x8092aff <file_read_elf+971>:	mov    %edx,0xa0(%ebx)
0x8092b05 <file_read_elf+977>:	mov    %edx,0x9c(%ebx)
0x8092b0b <file_read_elf+983>:	cmpl   $0x0,0xc(%ebp)
0x8092b0f <file_read_elf+987>:	je     0x8092bbd <file_read_elf+1161>
0x8092b15 <file_read_elf+993>:	cmpb   $0x1,0x5(%edi)
0x8092b19 <file_read_elf+997>:	jne    0x8092bbd <file_read_elf+1161>
0x8092b1f <file_read_elf+1003>:	mov    0xc(%ebp),%edx
0x8092b22 <file_read_elf+1006>:	add    0x10(%ebp),%edx

info registers

eax            0x8605f00	0x8605f00
ecx            0x85b63dc	0x85b63dc
edx            0xb64	0xb64
ebx            0x85b6340	0x85b6340
esp            0xbfffe760	0xbfffe760
ebp            0xbfffe818	0xbfffe818
esi            0x1	0x1
edi            0xbfffe780	0xbfffe780
eip            0x8092ae2	0x8092ae2
eflags         0x10206	0x10206
cs             0x23	0x23
ss             0x2b	0x2b
ds             0x2b	0x2b
es             0x2b	0x2b
fs             0x2b	0x2b
gs             0x2b	0x2b