Attachment 880267 Details for Bug 1082283 – File: backtrace

File: backtrace

backtrace (text/plain), 8.80 KB, created by Bjoern Engels on 2014-03-30 09:05:20 UTC

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Creator: Bjoern Engels

Created: 2014-03-30 09:05:20 UTC

Size: 8.80 KB

patch

obsolete

>warning: core file may not match specified executable file.
>[New LWP 27342]
>[Thread debugging using libthread_db enabled]
>Using host libthread_db library "/lib64/libthread_db.so.1".
>Core was generated by `grub2-ofpathname /dev/sda2'.
>Program terminated with signal SIGSEGV, Segmentation fault.
>#0  strlen () at ../sysdeps/x86_64/strlen.S:106
>106		movdqu	(%rax), %xmm12
>
>Thread 1 (Thread 0x7fde351d2840 (LWP 27342)):
>#0  strlen () at ../sysdeps/x86_64/strlen.S:106
>No locals.
>#1  0x00007fde34a3fe8c in _IO_puts (str=0x0) at ioputs.c:36
>        result = -1
>        len = <optimized out>
>#2  0x0000000000401778 in main (argc=2, argv=0x7ffffefaa698) at util/ieee1275/grub-ofpathname.c:51
>        of_path = 0x0
>From                To                  Syms Read   Shared Object Library
>0x00007fde34d980f0  0x00007fde34dbe4d8  Yes         /lib64/libdevmapper.so.1.02
>0x00007fde349f1560  0x00007fde34b32bb4  Yes         /lib64/libc.so.6
>0x00007fde347b44a0  0x00007fde347c6fe4  Yes         /lib64/libselinux.so.1
>0x0000003d97e04180  0x0000003d97e34b88  Yes         /lib64/libsepol.so.1
>0x00007fde3459f4a0  0x00007fde345a7f52  Yes         /lib64/libudev.so.1
>0x00007fde343849f0  0x00007fde34390614  Yes         /lib64/libpthread.so.0
>0x00007fde34fceb10  0x00007fde34fe7c70  Yes         /lib64/ld-linux-x86-64.so.2
>0x00007fde3411a770  0x00007fde341648e8  Yes         /lib64/libpcre.so.1
>0x0000003d99e030e0  0x0000003d99e19060  Yes         /lib64/liblzma.so.5
>0x00007fde33f15ed0  0x00007fde33f169d0  Yes         /lib64/libdl.so.2
>0x00007fde33d0f2d0  0x00007fde33d120bc  Yes         /lib64/librt.so.1
>0x00007fde33af9af0  0x00007fde33b09218  Yes         /lib64/libgcc_s.so.1
>$1 = 0x0
>No symbol "__glib_assert_msg" in current context.
>rax            0x0	0
>rbx            0x0	0
>rcx            0x0	0
>rdx            0x7fde34d8a7b8	140592346081208
>rsi            0x1	1
>rdi            0x0	0
>rbp            0x7ffffefaa5b0	0x7ffffefaa5b0
>rsp            0x7ffffefaa558	0x7ffffefaa558
>r8             0x1	1
>r9             0x0	0
>r10            0x7ffffefaa340	140737471226688
>r11            0x7fde34a3fe80	140592342630016
>r12            0x0	0
>r13            0x7ffffefaa690	140737471227536
>r14            0x0	0
>r15            0x0	0
>rip            0x7fde34a5861a	0x7fde34a5861a <strlen+42>
>eflags         0x10293	[ CF AF 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:
>   0x00007fde34a585f0 <+0>:	pxor   %xmm8,%xmm8
>   0x00007fde34a585f5 <+5>:	pxor   %xmm9,%xmm9
>   0x00007fde34a585fa <+10>:	pxor   %xmm10,%xmm10
>   0x00007fde34a585ff <+15>:	pxor   %xmm11,%xmm11
>   0x00007fde34a58604 <+20>:	mov    %rdi,%rax
>   0x00007fde34a58607 <+23>:	mov    %rdi,%rcx
>   0x00007fde34a5860a <+26>:	and    $0xfff,%rcx
>   0x00007fde34a58611 <+33>:	cmp    $0xfcf,%rcx
>   0x00007fde34a58618 <+40>:	ja     0x7fde34a58680 <strlen+144>
>=> 0x00007fde34a5861a <+42>:	movdqu (%rax),%xmm12
>   0x00007fde34a5861f <+47>:	pcmpeqb %xmm8,%xmm12
>   0x00007fde34a58624 <+52>:	pmovmskb %xmm12,%edx
>   0x00007fde34a58629 <+57>:	test   %edx,%edx
>   0x00007fde34a5862b <+59>:	je     0x7fde34a58631 <strlen+65>
>   0x00007fde34a5862d <+61>:	bsf    %edx,%eax
>   0x00007fde34a58630 <+64>:	retq   
>   0x00007fde34a58631 <+65>:	and    $0xfffffffffffffff0,%rax
>   0x00007fde34a58635 <+69>:	pcmpeqb 0x10(%rax),%xmm9
>   0x00007fde34a5863b <+75>:	pcmpeqb 0x20(%rax),%xmm10
>   0x00007fde34a58641 <+81>:	pcmpeqb 0x30(%rax),%xmm11
>   0x00007fde34a58647 <+87>:	pmovmskb %xmm9,%edx
>   0x00007fde34a5864c <+92>:	pmovmskb %xmm10,%r8d
>   0x00007fde34a58651 <+97>:	pmovmskb %xmm11,%ecx
>   0x00007fde34a58656 <+102>:	shl    $0x10,%rdx
>   0x00007fde34a5865a <+106>:	shl    $0x10,%rcx
>   0x00007fde34a5865e <+110>:	or     %r8,%rcx
>   0x00007fde34a58661 <+113>:	shl    $0x20,%rcx
>   0x00007fde34a58665 <+117>:	or     %rcx,%rdx
>   0x00007fde34a58668 <+120>:	mov    %rdi,%rcx
>   0x00007fde34a5866b <+123>:	xor    %rax,%rcx
>   0x00007fde34a5866e <+126>:	and    $0xffffffffffffffc0,%rax
>   0x00007fde34a58672 <+130>:	sar    %cl,%rdx
>   0x00007fde34a58675 <+133>:	test   %rdx,%rdx
>   0x00007fde34a58678 <+136>:	je     0x7fde34a586f0 <strlen+256>
>   0x00007fde34a5867a <+138>:	bsf    %rdx,%rax
>   0x00007fde34a5867e <+142>:	retq   
>   0x00007fde34a5867f <+143>:	nop
>   0x00007fde34a58680 <+144>:	and    $0xffffffffffffffc0,%rax
>   0x00007fde34a58684 <+148>:	pcmpeqb (%rax),%xmm8
>   0x00007fde34a58689 <+153>:	pcmpeqb 0x10(%rax),%xmm9
>   0x00007fde34a5868f <+159>:	pcmpeqb 0x20(%rax),%xmm10
>   0x00007fde34a58695 <+165>:	pcmpeqb 0x30(%rax),%xmm11
>   0x00007fde34a5869b <+171>:	pmovmskb %xmm8,%esi
>   0x00007fde34a586a0 <+176>:	pmovmskb %xmm9,%edx
>   0x00007fde34a586a5 <+181>:	pmovmskb %xmm10,%r8d
>   0x00007fde34a586aa <+186>:	pmovmskb %xmm11,%ecx
>   0x00007fde34a586af <+191>:	shl    $0x10,%rdx
>   0x00007fde34a586b3 <+195>:	shl    $0x10,%rcx
>   0x00007fde34a586b7 <+199>:	or     %rsi,%rdx
>   0x00007fde34a586ba <+202>:	or     %r8,%rcx
>   0x00007fde34a586bd <+205>:	shl    $0x20,%rcx
>   0x00007fde34a586c1 <+209>:	or     %rcx,%rdx
>   0x00007fde34a586c4 <+212>:	mov    %rdi,%rcx
>   0x00007fde34a586c7 <+215>:	xor    %rax,%rcx
>   0x00007fde34a586ca <+218>:	and    $0xffffffffffffffc0,%rax
>   0x00007fde34a586ce <+222>:	sar    %cl,%rdx
>   0x00007fde34a586d1 <+225>:	test   %rdx,%rdx
>   0x00007fde34a586d4 <+228>:	je     0x7fde34a586e0 <strlen+240>
>   0x00007fde34a586d6 <+230>:	bsf    %rdx,%rax
>   0x00007fde34a586da <+234>:	retq   
>   0x00007fde34a586db <+235>:	nopl   0x0(%rax,%rax,1)
>   0x00007fde34a586e0 <+240>:	pxor   %xmm9,%xmm9
>   0x00007fde34a586e5 <+245>:	pxor   %xmm10,%xmm10
>   0x00007fde34a586ea <+250>:	pxor   %xmm11,%xmm11
>   0x00007fde34a586ef <+255>:	nop
>   0x00007fde34a586f0 <+256>:	movdqa 0x40(%rax),%xmm8
>   0x00007fde34a586f6 <+262>:	pminub 0x50(%rax),%xmm8
>   0x00007fde34a586fc <+268>:	pminub 0x60(%rax),%xmm8
>   0x00007fde34a58702 <+274>:	pminub 0x70(%rax),%xmm8
>   0x00007fde34a58708 <+280>:	pcmpeqb %xmm11,%xmm8
>   0x00007fde34a5870d <+285>:	pmovmskb %xmm8,%edx
>   0x00007fde34a58712 <+290>:	test   %edx,%edx
>   0x00007fde34a58714 <+292>:	jne    0x7fde34a58750 <strlen+352>
>   0x00007fde34a58716 <+294>:	sub    $0xffffffffffffff80,%rax
>   0x00007fde34a5871a <+298>:	movdqa (%rax),%xmm8
>   0x00007fde34a5871f <+303>:	pminub 0x10(%rax),%xmm8
>   0x00007fde34a58725 <+309>:	pminub 0x20(%rax),%xmm8
>   0x00007fde34a5872b <+315>:	pminub 0x30(%rax),%xmm8
>   0x00007fde34a58731 <+321>:	pcmpeqb %xmm11,%xmm8
>   0x00007fde34a58736 <+326>:	pmovmskb %xmm8,%edx
>   0x00007fde34a5873b <+331>:	test   %edx,%edx
>   0x00007fde34a5873d <+333>:	jne    0x7fde34a58754 <strlen+356>
>   0x00007fde34a5873f <+335>:	jmp    0x7fde34a586f0 <strlen+256>
>   0x00007fde34a58741 <+337>:	data32 data32 data32 data32 data32 nopw %cs:0x0(%rax,%rax,1)
>   0x00007fde34a58750 <+352>:	add    $0x40,%rax
>   0x00007fde34a58754 <+356>:	pxor   %xmm8,%xmm8
>   0x00007fde34a58759 <+361>:	pcmpeqb (%rax),%xmm8
>   0x00007fde34a5875e <+366>:	pcmpeqb 0x10(%rax),%xmm9
>   0x00007fde34a58764 <+372>:	pcmpeqb 0x20(%rax),%xmm10
>   0x00007fde34a5876a <+378>:	pcmpeqb 0x30(%rax),%xmm11
>   0x00007fde34a58770 <+384>:	pmovmskb %xmm8,%esi
>   0x00007fde34a58775 <+389>:	pmovmskb %xmm9,%edx
>   0x00007fde34a5877a <+394>:	pmovmskb %xmm10,%r8d
>   0x00007fde34a5877f <+399>:	pmovmskb %xmm11,%ecx
>   0x00007fde34a58784 <+404>:	shl    $0x10,%rdx
>   0x00007fde34a58788 <+408>:	shl    $0x10,%rcx
>   0x00007fde34a5878c <+412>:	or     %rsi,%rdx
>   0x00007fde34a5878f <+415>:	or     %r8,%rcx
>   0x00007fde34a58792 <+418>:	shl    $0x20,%rcx
>   0x00007fde34a58796 <+422>:	or     %rcx,%rdx
>   0x00007fde34a58799 <+425>:	bsf    %rdx,%rdx
>   0x00007fde34a5879d <+429>:	add    %rdx,%rax
>   0x00007fde34a587a0 <+432>:	sub    %rdi,%rax
>   0x00007fde34a587a3 <+435>:	retq   
>End of assembler dump.

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Attachments on bug 1082283: 880267 | 880268 | 880269 | 880270 | 880271 | 880272 | 880273 | 880274 | 880275 | 880276 | 880277