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Red Hat Bugzilla – Attachment 860646 Details for
Bug 1062728
[abrt] funionfs: strlen(): funionfs killed by SIGSEGV
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File: backtrace
backtrace (text/plain), 8.48 KB, created by
Gábor
on 2014-02-07 19:47:39 UTC
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Description:
File: backtrace
Filename:
MIME Type:
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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