Attachment 838682 Details for Bug 1044766 – File: backtrace

File: backtrace

backtrace (text/plain), 10.43 KB, created by Victor Stinner on 2013-12-18 23:36:23 UTC

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Creator: Victor Stinner

Created: 2013-12-18 23:36:23 UTC

Size: 10.43 KB

patch

obsolete

>[New LWP 19134]
>[Thread debugging using libthread_db enabled]
>Using host libthread_db library "/lib64/libthread_db.so.1".
>Core was generated by `/usr/bin/ltrace -e xxx pwd'.
>Program terminated with signal 11, Segmentation fault.
>#0  __strlen_sse2 () at ../sysdeps/x86_64/strlen.S:31
>31		movdqu	(%rdi), %xmm1
>
>Thread 1 (Thread 0x7f721e085840 (LWP 19134)):
>#0  __strlen_sse2 () at ../sysdeps/x86_64/strlen.S:31
>No locals.
>#1  0x000000301c0d8e22 in __regexec (preg=0x10400d8, string=0x1 <Address 0x1 out of bounds>, nmatch=0, pmatch=0x0, eflags=0) at regexec.c:242
>        err = <optimized out>
>        start = 0
>        length = <optimized out>
>        dfa = 0x1040550
>#2  0x00000000004085e7 in re_match_or_error (re=0x10400d8, name=0x1 <Address 0x1 out of bounds>, what=<optimized out>) at filter.c:114
>        status = <optimized out>
>        buf = "\260\357\b\001\000\000\000\000\246\350\200\033\060\000\000\000\001", '\000' <repeats 15 times>, "H\000\000\000\000\000\000\000\000i\327\376\005\370\202\366`\216\331\004\377\177\000\000\000i\327\376\005\370\202\366@\353\b\001\000\000\000\000 \001\004\001\000\000\000\000\250\216\331\004\377\177\000\000`ab", '\000' <repeats 21 times>, "\020\022\004\001\000\000\000\000`\216\331\004\377\177\000\000\n\000\000\000\000\000\000\000\237\351\200\033\060\000\000\000\001\000\000\000r\177\000\000\000\000\000\000\000\000\000\000@\353\b\001\000\000\000\000\260\340\000\034\060\000\000\000\060\000\004\001\000\000\000\000\n\000\000\000\000\000\000\000H\363\b\001\000\000\000"
>#3  0x000000000040889b in filter_matches_library (filt=0x1040050, lib=lib@entry=0x1041210) at filter.c:155
>        it = 0x1040070
>#4  0x000000000041575f in read_module (lib=lib@entry=0x1041210, proc=proc@entry=0x108b960, filename=filename@entry=0x1040120 "/proc/19135/exe", bias=bias@entry=0, main=main@entry=1) at ltrace-elf.c:975
>        lte = {fd = 3, elf = 0x108eb40, ehdr = {e_ident = "\177ELF\002\001\001\000\000\000\000\000\000\000\000", e_type = 2, e_machine = 62, e_version = 1, e_entry = 4200728, e_phoff = 64, e_shoff = 33792, e_flags = 0, e_ehsize = 64, e_phentsize = 56, e_phnum = 9, e_shentsize = 64, e_shnum = 33, e_shstrndx = 32}, dynsym = 0x108efb0, dynsym_count = 70, dynstr = 0x7f721e0a6274 <Address 0x7f721e0a6274 out of bounds>, plt_addr = 4199280, plt_flags = 6, plt_size = 1008, relplt = 0x108f348, plt_data = 0x108f4b8, relplt_count = 62, symtab = 0x0, strtab = 0x0, soname = 0x0, symtab_count = 0, opd = 0x0, opd_addr = 0x0, opd_size = 0, dyn_addr = 6319592, dyn_sz = 464, relplt_size = 1488, bias = 0, entry_addr = 4200728, base_addr = 4194304, arch = {<No data fields>}}
>        status = 0
>        entry = 0x401918
>        plts = <optimized out>
>        exports = <optimized out>
>        symtabs = <optimized out>
>#5  0x0000000000415cab in ltelf_read_main_binary (proc=proc@entry=0x108b960, path=<optimized out>) at ltrace-elf.c:1023
>        lib = 0x1041210
>        fname = 0x1040120 "/proc/19135/exe"
>#6  0x0000000000413440 in breakpoints_init (proc=proc@entry=0x108b960) at breakpoints.c:398
>        __PRETTY_FUNCTION__ = "breakpoints_init"
>        lib = <optimized out>
>        entry_bp = <optimized out>
>        bp_state = <optimized out>
>        result = <optimized out>
>#7  0x0000000000404418 in process_init_main (proc=0x108b960) at proc.c:167
>No locals.
>#8  process_init (proc=proc@entry=0x108b960, filename=filename@entry=0x7fff04d9afe4 "pwd", pid=pid@entry=19135) at proc.c:199
>No locals.
>#9  0x00000000004044dc in open_program (filename=0x7fff04d9afe4 "pwd", pid=pid@entry=19135) at proc.c:292
>        __PRETTY_FUNCTION__ = "open_program"
>        proc = 0x108b960
>#10 0x0000000000402a3e in ltrace_init (argc=<optimized out>, argv=0x7fff04d9a1c0) at libltrace.c:145
>        lte = {fd = -1, elf = 0x0, ehdr = {e_ident = '\000' <repeats 15 times>, e_type = 0, e_machine = 0, e_version = 0, e_entry = 0, e_phoff = 0, e_shoff = 0, e_flags = 0, e_ehsize = 0, e_phentsize = 0, e_phnum = 0, e_shentsize = 0, e_shnum = 0, e_shstrndx = 0}, dynsym = 0x0, dynsym_count = 0, dynstr = 0x0, plt_addr = 0, plt_flags = 0, plt_size = 0, relplt = 0x0, plt_data = 0x0, relplt_count = 0, symtab = 0x0, strtab = 0x0, soname = 0x0, symtab_count = 0, opd = 0x0, opd_addr = 0x0, opd_size = 0, dyn_addr = 0, dyn_sz = 0, relplt_size = 0, bias = 0, entry_addr = 0, base_addr = 0, arch = {<No data fields>}}
>        pid = 19135
>        proc = <optimized out>
>        opt_p_tmp = <optimized out>
>#11 0x00000000004026b9 in main (argc=<optimized out>, argv=<optimized out>) at main.c:47
>No locals.
>From                To                  Syms Read   Shared Object Library
>0x000000301f85b510  0x000000301f8be5ba  Yes         /lib64/libstdc++.so.6
>0x000000395e406260  0x000000395e417e9c  Yes         /lib64/libselinux.so.1
>0x000000301f402ae0  0x000000301f410334  Yes         /lib64/libelf.so.1
>0x000000301d402af0  0x000000301d4121f8  Yes         /lib64/libgcc_s.so.1
>0x000000301c01f410  0x000000301c162740  Yes         /lib64/libc.so.6
>0x000000301cc054b0  0x000000301cc6fbb8  Yes         /lib64/libm.so.6
>0x000000301b800ae0  0x000000301b81ac0a  Yes         /lib64/ld-linux-x86-64.so.2
>0x000000301c400ed0  0x000000301c4019d0  Yes         /lib64/libdl.so.2
>0x00000039614015f0  0x0000003961449cc8  Yes         /lib64/libpcre.so.1
>0x0000003963c05790  0x0000003963c103b4  Yes         /lib64/libpthread.so.0
>$1 = 0x0
>No symbol "__glib_assert_msg" in current context.
>rax            0x0	0
>rbx            0x1040550	17040720
>rcx            0x1	1
>rdx            0x0	0
>rsi            0x1	1
>rdi            0x1	1
>rbp            0x10400d8	0x10400d8
>rsp            0x7fff04d98c48	0x7fff04d98c48
>r8             0x0	0
>r9             0x3e	62
>r10            0x7fff04d98a70	140733274753648
>r11            0x301c0d8dd0	206629080528
>r12            0x1	1
>r13            0x0	0
>r14            0x1041210	17043984
>r15            0x7fff04d98e60	140733274754656
>rip            0x301c0866e1	0x301c0866e1 <__strlen_sse2+17>
>eflags         0x10287	[ CF PF SF IF RF ]
>cs             0x33	51
>ss             0x2b	43
>ds             0x0	0
>es             0x0	0
>fs             0x0	0
>gs             0x0	0
>st0            *value not available*
>st1            *value not available*
>st2            *value not available*
>st3            *value not available*
>st4            *value not available*
>st5            *value not available*
>st6            *value not available*
>st7            *value not available*
>fctrl          *value not available*
>fstat          *value not available*
>ftag           *value not available*
>fiseg          *value not available*
>fioff          *value not available*
>foseg          *value not available*
>fooff          *value not available*
>fop            *value not available*
>xmm0           *value not available*
>xmm1           *value not available*
>xmm2           *value not available*
>xmm3           *value not available*
>xmm4           *value not available*
>xmm5           *value not available*
>xmm6           *value not available*
>xmm7           *value not available*
>xmm8           *value not available*
>xmm9           *value not available*
>xmm10          *value not available*
>xmm11          *value not available*
>xmm12          *value not available*
>xmm13          *value not available*
>xmm14          *value not available*
>xmm15          *value not available*
>mxcsr          *value not available*
>Dump of assembler code for function __strlen_sse2:
>   0x000000301c0866d0 <+0>:	xor    %rax,%rax
>   0x000000301c0866d3 <+3>:	mov    %edi,%ecx
>   0x000000301c0866d5 <+5>:	and    $0x3f,%ecx
>   0x000000301c0866d8 <+8>:	pxor   %xmm0,%xmm0
>   0x000000301c0866dc <+12>:	cmp    $0x30,%ecx
>   0x000000301c0866df <+15>:	ja     0x301c0866fa <__strlen_sse2+42>
>=> 0x000000301c0866e1 <+17>:	movdqu (%rdi),%xmm1
>   0x000000301c0866e5 <+21>:	pcmpeqb %xmm1,%xmm0
>   0x000000301c0866e9 <+25>:	pmovmskb %xmm0,%edx
>   0x000000301c0866ed <+29>:	test   %edx,%edx
>   0x000000301c0866ef <+31>:	jne    0x301c08676b <__strlen_sse2+155>
>   0x000000301c0866f1 <+33>:	mov    %rdi,%rax
>   0x000000301c0866f4 <+36>:	and    $0xfffffffffffffff0,%rax
>   0x000000301c0866f8 <+40>:	jmp    0x301c086717 <__strlen_sse2+71>
>   0x000000301c0866fa <+42>:	mov    %rdi,%rax
>   0x000000301c0866fd <+45>:	and    $0xfffffffffffffff0,%rax
>   0x000000301c086701 <+49>:	pcmpeqb (%rax),%xmm0
>   0x000000301c086705 <+53>:	mov    $0xffffffff,%esi
>   0x000000301c08670a <+58>:	sub    %rax,%rcx
>   0x000000301c08670d <+61>:	shl    %cl,%esi
>   0x000000301c08670f <+63>:	pmovmskb %xmm0,%edx
>   0x000000301c086713 <+67>:	and    %esi,%edx
>   0x000000301c086715 <+69>:	jne    0x301c086768 <__strlen_sse2+152>
>   0x000000301c086717 <+71>:	pxor   %xmm0,%xmm0
>   0x000000301c08671b <+75>:	pxor   %xmm1,%xmm1
>   0x000000301c08671f <+79>:	pxor   %xmm2,%xmm2
>   0x000000301c086723 <+83>:	pxor   %xmm3,%xmm3
>   0x000000301c086727 <+87>:	nopw   0x0(%rax,%rax,1)
>   0x000000301c086730 <+96>:	pcmpeqb 0x10(%rax),%xmm0
>   0x000000301c086735 <+101>:	pmovmskb %xmm0,%edx
>   0x000000301c086739 <+105>:	test   %edx,%edx
>   0x000000301c08673b <+107>:	jne    0x301c086780 <__strlen_sse2+176>
>   0x000000301c08673d <+109>:	pcmpeqb 0x20(%rax),%xmm1
>   0x000000301c086742 <+114>:	pmovmskb %xmm1,%edx
>   0x000000301c086746 <+118>:	test   %edx,%edx
>   0x000000301c086748 <+120>:	jne    0x301c086790 <__strlen_sse2+192>
>   0x000000301c08674a <+122>:	pcmpeqb 0x30(%rax),%xmm2
>   0x000000301c08674f <+127>:	pmovmskb %xmm2,%edx
>   0x000000301c086753 <+131>:	test   %edx,%edx
>   0x000000301c086755 <+133>:	jne    0x301c0867a0 <__strlen_sse2+208>
>   0x000000301c086757 <+135>:	pcmpeqb 0x40(%rax),%xmm3
>   0x000000301c08675c <+140>:	pmovmskb %xmm3,%edx
>   0x000000301c086760 <+144>:	lea    0x40(%rax),%rax
>   0x000000301c086764 <+148>:	test   %edx,%edx
>   0x000000301c086766 <+150>:	je     0x301c086730 <__strlen_sse2+96>
>   0x000000301c086768 <+152>:	sub    %rdi,%rax
>   0x000000301c08676b <+155>:	bsf    %rdx,%rdx
>   0x000000301c08676f <+159>:	add    %rdx,%rax
>   0x000000301c086772 <+162>:	retq   
>   0x000000301c086773 <+163>:	data32 data32 data32 nopw %cs:0x0(%rax,%rax,1)
>   0x000000301c086780 <+176>:	sub    %rdi,%rax
>   0x000000301c086783 <+179>:	bsf    %rdx,%rdx
>   0x000000301c086787 <+183>:	lea    0x10(%rdx,%rax,1),%rax
>   0x000000301c08678c <+188>:	retq   
>   0x000000301c08678d <+189>:	nopl   (%rax)
>   0x000000301c086790 <+192>:	sub    %rdi,%rax
>   0x000000301c086793 <+195>:	bsf    %rdx,%rdx
>   0x000000301c086797 <+199>:	lea    0x20(%rdx,%rax,1),%rax
>   0x000000301c08679c <+204>:	retq   
>   0x000000301c08679d <+205>:	nopl   (%rax)
>   0x000000301c0867a0 <+208>:	sub    %rdi,%rax
>   0x000000301c0867a3 <+211>:	bsf    %rdx,%rdx
>   0x000000301c0867a7 <+215>:	lea    0x30(%rdx,%rax,1),%rax
>   0x000000301c0867ac <+220>:	retq   
>End of assembler dump.

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Attachments on bug 1044766: 838682 | 838683 | 838684 | 838685 | 838686 | 838687 | 838688 | 838689 | 838690 | 838691