Attachment 860646 Details for Bug 1062728 – File: backtrace

File: backtrace

backtrace (text/plain), 8.48 KB, created by Gábor on 2014-02-07 19:47:39 UTC

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Creator: Gábor

Created: 2014-02-07 19:47:39 UTC

Size: 8.48 KB

patch

obsolete

>[New LWP 9432]
>[Thread debugging using libthread_db enabled]
>Using host libthread_db library "/lib64/libthread_db.so.1".
>Core was generated by `funionfs -o default_permissions -o dirs root_test/home:root_test/mnt/big/home r'.
>Program terminated with signal SIGSEGV, Segmentation fault.
>#0  strlen () at ../sysdeps/x86_64/strlen.S:106
>106		movdqu	(%rax), %xmm12
>
>Thread 1 (Thread 0x7ff2b2045740 (LWP 9432)):
>#0  strlen () at ../sysdeps/x86_64/strlen.S:106
>No locals.
>#1  0x00007ff2b204d40c in funionfs_relist () at control.c:66
>        fd = <optimized out>
>        s = <optimized out>
>        firstdir = 0x0
>        walk = <optimized out>
>        ret = <optimized out>
>#2  0x00007ff2b204a239 in main (argc=<optimized out>, argv=<optimized out>) at main.c:1827
>        res = <optimized out>
>        args = {argc = 4, argv = 0x7ff2b32a1110, allocated = 1}
>From                To                  Syms Read   Shared Object Library
>0x00007ff2b1be8640  0x00007ff2b1c0090c  Yes         /lib64/libfuse.so.2
>0x00007ff2b183f560  0x00007ff2b1980bb4  Yes         /lib64/libc.so.6
>0x00007ff2b1618ed0  0x00007ff2b16199d0  Yes         /lib64/libdl.so.2
>0x00007ff2b13fd9f0  0x00007ff2b1409614  Yes         /lib64/libpthread.so.0
>0x00007ff2b1e20b10  0x00007ff2b1e39c70  Yes         /lib64/ld-linux-x86-64.so.2
>$1 = 0x0
>No symbol "__glib_assert_msg" in current context.
>rax            0x0	0
>rbx            0x7ff2b22521a0	140680347591072
>rcx            0x0	0
>rdx            0x0	0
>rsi            0xffffffff	4294967295
>rdi            0x0	0
>rbp            0x0	0x0
>rsp            0x7fffbc1ec948	0x7fffbc1ec948
>r8             0x29	41
>r9             0x747365745f746f6f	8391162081213443951
>r10            0x6769622f746e6d2f	7451595014417575215
>r11            0x297	663
>r12            0x7ff2b204a294	140680345461396
>r13            0x7fffbc1ecaa0	140736349522592
>r14            0x0	0
>r15            0x0	0
>rip            0x7ff2b18a661a	0x7ff2b18a661a <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:
>   0x00007ff2b18a65f0 <+0>:	pxor   %xmm8,%xmm8
>   0x00007ff2b18a65f5 <+5>:	pxor   %xmm9,%xmm9
>   0x00007ff2b18a65fa <+10>:	pxor   %xmm10,%xmm10
>   0x00007ff2b18a65ff <+15>:	pxor   %xmm11,%xmm11
>   0x00007ff2b18a6604 <+20>:	mov    %rdi,%rax
>   0x00007ff2b18a6607 <+23>:	mov    %rdi,%rcx
>   0x00007ff2b18a660a <+26>:	and    $0xfff,%rcx
>   0x00007ff2b18a6611 <+33>:	cmp    $0xfcf,%rcx
>   0x00007ff2b18a6618 <+40>:	ja     0x7ff2b18a6680 <strlen+144>
>=> 0x00007ff2b18a661a <+42>:	movdqu (%rax),%xmm12
>   0x00007ff2b18a661f <+47>:	pcmpeqb %xmm8,%xmm12
>   0x00007ff2b18a6624 <+52>:	pmovmskb %xmm12,%edx
>   0x00007ff2b18a6629 <+57>:	test   %edx,%edx
>   0x00007ff2b18a662b <+59>:	je     0x7ff2b18a6631 <strlen+65>
>   0x00007ff2b18a662d <+61>:	bsf    %edx,%eax
>   0x00007ff2b18a6630 <+64>:	retq   
>   0x00007ff2b18a6631 <+65>:	and    $0xfffffffffffffff0,%rax
>   0x00007ff2b18a6635 <+69>:	pcmpeqb 0x10(%rax),%xmm9
>   0x00007ff2b18a663b <+75>:	pcmpeqb 0x20(%rax),%xmm10
>   0x00007ff2b18a6641 <+81>:	pcmpeqb 0x30(%rax),%xmm11
>   0x00007ff2b18a6647 <+87>:	pmovmskb %xmm9,%edx
>   0x00007ff2b18a664c <+92>:	pmovmskb %xmm10,%r8d
>   0x00007ff2b18a6651 <+97>:	pmovmskb %xmm11,%ecx
>   0x00007ff2b18a6656 <+102>:	shl    $0x10,%rdx
>   0x00007ff2b18a665a <+106>:	shl    $0x10,%rcx
>   0x00007ff2b18a665e <+110>:	or     %r8,%rcx
>   0x00007ff2b18a6661 <+113>:	shl    $0x20,%rcx
>   0x00007ff2b18a6665 <+117>:	or     %rcx,%rdx
>   0x00007ff2b18a6668 <+120>:	mov    %rdi,%rcx
>   0x00007ff2b18a666b <+123>:	xor    %rax,%rcx
>   0x00007ff2b18a666e <+126>:	and    $0xffffffffffffffc0,%rax
>   0x00007ff2b18a6672 <+130>:	sar    %cl,%rdx
>   0x00007ff2b18a6675 <+133>:	test   %rdx,%rdx
>   0x00007ff2b18a6678 <+136>:	je     0x7ff2b18a66f0 <strlen+256>
>   0x00007ff2b18a667a <+138>:	bsf    %rdx,%rax
>   0x00007ff2b18a667e <+142>:	retq   
>   0x00007ff2b18a667f <+143>:	nop
>   0x00007ff2b18a6680 <+144>:	and    $0xffffffffffffffc0,%rax
>   0x00007ff2b18a6684 <+148>:	pcmpeqb (%rax),%xmm8
>   0x00007ff2b18a6689 <+153>:	pcmpeqb 0x10(%rax),%xmm9
>   0x00007ff2b18a668f <+159>:	pcmpeqb 0x20(%rax),%xmm10
>   0x00007ff2b18a6695 <+165>:	pcmpeqb 0x30(%rax),%xmm11
>   0x00007ff2b18a669b <+171>:	pmovmskb %xmm8,%esi
>   0x00007ff2b18a66a0 <+176>:	pmovmskb %xmm9,%edx
>   0x00007ff2b18a66a5 <+181>:	pmovmskb %xmm10,%r8d
>   0x00007ff2b18a66aa <+186>:	pmovmskb %xmm11,%ecx
>   0x00007ff2b18a66af <+191>:	shl    $0x10,%rdx
>   0x00007ff2b18a66b3 <+195>:	shl    $0x10,%rcx
>   0x00007ff2b18a66b7 <+199>:	or     %rsi,%rdx
>   0x00007ff2b18a66ba <+202>:	or     %r8,%rcx
>   0x00007ff2b18a66bd <+205>:	shl    $0x20,%rcx
>   0x00007ff2b18a66c1 <+209>:	or     %rcx,%rdx
>   0x00007ff2b18a66c4 <+212>:	mov    %rdi,%rcx
>   0x00007ff2b18a66c7 <+215>:	xor    %rax,%rcx
>   0x00007ff2b18a66ca <+218>:	and    $0xffffffffffffffc0,%rax
>   0x00007ff2b18a66ce <+222>:	sar    %cl,%rdx
>   0x00007ff2b18a66d1 <+225>:	test   %rdx,%rdx
>   0x00007ff2b18a66d4 <+228>:	je     0x7ff2b18a66e0 <strlen+240>
>   0x00007ff2b18a66d6 <+230>:	bsf    %rdx,%rax
>   0x00007ff2b18a66da <+234>:	retq   
>   0x00007ff2b18a66db <+235>:	nopl   0x0(%rax,%rax,1)
>   0x00007ff2b18a66e0 <+240>:	pxor   %xmm9,%xmm9
>   0x00007ff2b18a66e5 <+245>:	pxor   %xmm10,%xmm10
>   0x00007ff2b18a66ea <+250>:	pxor   %xmm11,%xmm11
>   0x00007ff2b18a66ef <+255>:	nop
>   0x00007ff2b18a66f0 <+256>:	movdqa 0x40(%rax),%xmm8
>   0x00007ff2b18a66f6 <+262>:	pminub 0x50(%rax),%xmm8
>   0x00007ff2b18a66fc <+268>:	pminub 0x60(%rax),%xmm8
>   0x00007ff2b18a6702 <+274>:	pminub 0x70(%rax),%xmm8
>   0x00007ff2b18a6708 <+280>:	pcmpeqb %xmm11,%xmm8
>   0x00007ff2b18a670d <+285>:	pmovmskb %xmm8,%edx
>   0x00007ff2b18a6712 <+290>:	test   %edx,%edx
>   0x00007ff2b18a6714 <+292>:	jne    0x7ff2b18a6750 <strlen+352>
>   0x00007ff2b18a6716 <+294>:	sub    $0xffffffffffffff80,%rax
>   0x00007ff2b18a671a <+298>:	movdqa (%rax),%xmm8
>   0x00007ff2b18a671f <+303>:	pminub 0x10(%rax),%xmm8
>   0x00007ff2b18a6725 <+309>:	pminub 0x20(%rax),%xmm8
>   0x00007ff2b18a672b <+315>:	pminub 0x30(%rax),%xmm8
>   0x00007ff2b18a6731 <+321>:	pcmpeqb %xmm11,%xmm8
>   0x00007ff2b18a6736 <+326>:	pmovmskb %xmm8,%edx
>   0x00007ff2b18a673b <+331>:	test   %edx,%edx
>   0x00007ff2b18a673d <+333>:	jne    0x7ff2b18a6754 <strlen+356>
>   0x00007ff2b18a673f <+335>:	jmp    0x7ff2b18a66f0 <strlen+256>
>   0x00007ff2b18a6741 <+337>:	data32 data32 data32 data32 data32 nopw %cs:0x0(%rax,%rax,1)
>   0x00007ff2b18a6750 <+352>:	add    $0x40,%rax
>   0x00007ff2b18a6754 <+356>:	pxor   %xmm8,%xmm8
>   0x00007ff2b18a6759 <+361>:	pcmpeqb (%rax),%xmm8
>   0x00007ff2b18a675e <+366>:	pcmpeqb 0x10(%rax),%xmm9
>   0x00007ff2b18a6764 <+372>:	pcmpeqb 0x20(%rax),%xmm10
>   0x00007ff2b18a676a <+378>:	pcmpeqb 0x30(%rax),%xmm11
>   0x00007ff2b18a6770 <+384>:	pmovmskb %xmm8,%esi
>   0x00007ff2b18a6775 <+389>:	pmovmskb %xmm9,%edx
>   0x00007ff2b18a677a <+394>:	pmovmskb %xmm10,%r8d
>   0x00007ff2b18a677f <+399>:	pmovmskb %xmm11,%ecx
>   0x00007ff2b18a6784 <+404>:	shl    $0x10,%rdx
>   0x00007ff2b18a6788 <+408>:	shl    $0x10,%rcx
>   0x00007ff2b18a678c <+412>:	or     %rsi,%rdx
>   0x00007ff2b18a678f <+415>:	or     %r8,%rcx
>   0x00007ff2b18a6792 <+418>:	shl    $0x20,%rcx
>   0x00007ff2b18a6796 <+422>:	or     %rcx,%rdx
>   0x00007ff2b18a6799 <+425>:	bsf    %rdx,%rdx
>   0x00007ff2b18a679d <+429>:	add    %rdx,%rax
>   0x00007ff2b18a67a0 <+432>:	sub    %rdi,%rax
>   0x00007ff2b18a67a3 <+435>:	retq   
>End of assembler dump.

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Attachments on bug 1062728: 860646 | 860647 | 860648 | 860649 | 860650 | 860651 | 860652 | 860653 | 860654 | 860655 | 860656