Attachment 937739 Details for Bug 1141992 – File: backtrace

File: backtrace

backtrace (text/plain), 20.63 KB, created by Gerhard on 2014-09-15 23:43:33 UTC

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Creator: Gerhard

Created: 2014-09-15 23:43:33 UTC

Size: 20.63 KB

patch

obsolete

>[New LWP 1654]
>[New LWP 1658]
>[New LWP 1637]
>[New LWP 5748]
>[New LWP 1652]
>[New LWP 1656]
>[Thread debugging using libthread_db enabled]
>Using host libthread_db library "/lib64/libthread_db.so.1".
>Core was generated by `/usr/libexec//gvfsd-fuse /run/user/1000/gvfs -f -o big_writes'.
>Program terminated with signal SIGSEGV, Segmentation fault.
>#0  strlen () at ../sysdeps/x86_64/strlen.S:106
>106		movdqu	(%rax), %xmm12
>
>Thread 6 (Thread 0x7fa57082f700 (LWP 1656)):
>#0  0x00000031712ea7cd in poll () at ../sysdeps/unix/syscall-template.S:81
>No locals.
>#1  0x0000003173e495b4 in g_main_context_poll (priority=2147483647, n_fds=9, fds=0x7fa56400eeb0, timeout=-1, context=0x7fa56c0134c0) at gmain.c:4007
>        poll_func = 0x3173e58500 <g_poll>
>#2  g_main_context_iterate (context=0x7fa56c0134c0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3708
>        max_priority = 2147483647
>        timeout = -1
>        some_ready = <optimized out>
>        nfds = 9
>        allocated_nfds = 9
>        fds = 0x7fa56400eeb0
>#3  0x0000003173e49a3a in g_main_loop_run (loop=0x7fa56c013450) at gmain.c:3907
>        __PRETTY_FUNCTION__ = "g_main_loop_run"
>#4  0x0000003174ed0376 in gdbus_shared_thread_func (user_data=0x7fa56c013490) at gdbusprivate.c:278
>        data = 0x7fa56c013490
>#5  0x0000003173e6ea45 in g_thread_proxy (data=0x7fa56c015450) at gthread.c:798
>        thread = 0x7fa56c015450
>#6  0x0000003171a07f35 in start_thread (arg=0x7fa57082f700) at pthread_create.c:309
>        __res = <optimized out>
>        pd = 0x7fa57082f700
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140348533962496, 8603781527140625334, 0, 0, 140348533963200, 140348533962496, -8634486034122871882, 8576022429224332214}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>        pagesize_m1 = <optimized out>
>        sp = <optimized out>
>        freesize = <optimized out>
>#7  0x00000031712f4c3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
>No locals.
>
>Thread 5 (Thread 0x7fa571853700 (LWP 1652)):
>#0  0x0000003171a0e84d in read () at ../sysdeps/unix/syscall-template.S:81
>No locals.
>#1  0x0000003175a12e92 in read (__nbytes=135168, __buf=0x7fa571854010, __fd=<optimized out>) at /usr/include/bits/unistd.h:44
>No locals.
>#2  fuse_kern_chan_receive (chp=<optimized out>, buf=0x7fa571854010 "+", size=135168) at fuse_kern_chan.c:28
>        ch = 0x23ddeb0
>        err = <optimized out>
>        res = <optimized out>
>        se = 0x23de810
>        __PRETTY_FUNCTION__ = "fuse_kern_chan_receive"
>#3  0x0000003175a13e99 in fuse_ll_receive_buf (se=0x23de810, buf=0x7fa571852dc0, chp=0x7fa571852db8) at fuse_lowlevel.c:2668
>        ch = 0x23ddeb0
>        f = <optimized out>
>        bufsize = 135168
>        llp = <optimized out>
>        tmpbuf = <optimized out>
>        err = <optimized out>
>        res = <optimized out>
>#4  0x0000003175a134be in fuse_do_work (data=0x23de130) at fuse_loop_mt.c:81
>        isforget = 0
>        ch = 0x23ddeb0
>        fbuf = {size = 135168, flags = (unknown: 0), mem = 0x7fa571854010, fd = 0, pos = 0}
>        res = <optimized out>
>        w = 0x23de130
>        mt = 0x7fff922a2cb0
>#5  0x0000003171a07f35 in start_thread (arg=0x7fa571853700) at pthread_create.c:309
>        __res = <optimized out>
>        pd = 0x7fa571853700
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140348550887168, 8603781527140625334, 0, 0, 140348550887872, 140348550887168, -8634483794297427018, 8576022429224332214}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>        pagesize_m1 = <optimized out>
>        sp = <optimized out>
>        freesize = <optimized out>
>#6  0x00000031712f4c3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
>No locals.
>
>Thread 4 (Thread 0x7fa56b5cb700 (LWP 5748)):
>#0  0x0000003171a0e84d in read () at ../sysdeps/unix/syscall-template.S:81
>No locals.
>#1  0x0000003175a12e92 in read (__nbytes=135168, __buf=0x7fa57000d010, __fd=<optimized out>) at /usr/include/bits/unistd.h:44
>No locals.
>#2  fuse_kern_chan_receive (chp=<optimized out>, buf=0x7fa57000d010 "0", size=135168) at fuse_kern_chan.c:28
>        ch = 0x23ddeb0
>        err = <optimized out>
>        res = <optimized out>
>        se = 0x23de810
>        __PRETTY_FUNCTION__ = "fuse_kern_chan_receive"
>#3  0x0000003175a13e99 in fuse_ll_receive_buf (se=0x23de810, buf=0x7fa56b5cadc0, chp=0x7fa56b5cadb8) at fuse_lowlevel.c:2668
>        ch = 0x23ddeb0
>        f = <optimized out>
>        bufsize = 135168
>        llp = <optimized out>
>        tmpbuf = <optimized out>
>        err = <optimized out>
>        res = <optimized out>
>#4  0x0000003175a134be in fuse_do_work (data=0x7fa5580008c0) at fuse_loop_mt.c:81
>        isforget = 0
>        ch = 0x23ddeb0
>        fbuf = {size = 135168, flags = (unknown: 0), mem = 0x7fa57000d010, fd = 0, pos = 0}
>        res = <optimized out>
>        w = 0x7fa5580008c0
>        mt = 0x7fff922a2cb0
>#5  0x0000003171a07f35 in start_thread (arg=0x7fa56b5cb700) at pthread_create.c:309
>        __res = <optimized out>
>        pd = 0x7fa56b5cb700
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140348447569664, 8603781527140625334, 0, 0, 140348447570368, 140348447569664, -8634505428047696970, 8576022429224332214}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>        pagesize_m1 = <optimized out>
>        sp = <optimized out>
>        freesize = <optimized out>
>#6  0x00000031712f4c3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
>No locals.
>
>Thread 3 (Thread 0x7fa571876840 (LWP 1637)):
>#0  sem_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
>No locals.
>#1  0x0000003175a13708 in fuse_session_loop_mt (se=0x23de810) at fuse_loop_mt.c:242
>        err = 0
>        mt = {lock = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}, numworker = 3, numavail = 2, se = 0x23de810, prevch = 0x23ddeb0, main = {prev = 0x7fa5580008c0, next = 0x23de130, thread_id = 140348551030848, bufsize = 0, buf = 0x0, mt = 0x0}, finish = {__size = "\000\000\000\000\200\000\000\000\001", '\000' <repeats 22 times>, __align = 549755813888}, exit = 0, error = 0}
>        w = <optimized out>
>#2  0x0000003175a18e37 in fuse_loop_mt (f=0x23de170) at fuse_mt.c:117
>        res = <optimized out>
>#3  0x0000003175a1b9e5 in fuse_main_common (argc=<optimized out>, argv=<optimized out>, op=<optimized out>, op_size=<optimized out>, user_data=<optimized out>, compat=<optimized out>) at helper.c:355
>        fuse = 0x23de170
>        mountpoint = 0x23ddf00 "/run/user/1000/gvfs"
>        multithreaded = 1
>        res = <optimized out>
>#4  0x0000003171221d65 in __libc_start_main (main=0x402be0 <main>, argc=5, argv=0x7fff922a2ed8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff922a2ec8) at libc-start.c:285
>        result = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 8603781527140625334, 4205556, 140735645626064, 0, 0, -8603597249948619850, 8576023514655681462}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x405c10 <__libc_csu_init>, 0x7fff922a2ed8}, data = {prev = 0x0, cleanup = 0x0, canceltype = 4217872}}}
>        not_first_call = <optimized out>
>#5  0x0000000000402c1d in _start ()
>No symbol table info available.
>
>Thread 2 (Thread 0x7fa56bdcc700 (LWP 1658)):
>#0  0x00000031712ea7cd in poll () at ../sysdeps/unix/syscall-template.S:81
>No locals.
>#1  0x0000003173e495b4 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7fa560001210, timeout=-1, context=0x7fa56c009220) at gmain.c:4007
>        poll_func = 0x3173e58500 <g_poll>
>#2  g_main_context_iterate (context=0x7fa56c009220, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3708
>        max_priority = 2147483647
>        timeout = -1
>        some_ready = <optimized out>
>        nfds = 1
>        allocated_nfds = 1
>        fds = 0x7fa560001210
>#3  0x0000003173e49a3a in g_main_loop_run (loop=0x7fa56c0108f0) at gmain.c:3907
>        __PRETTY_FUNCTION__ = "g_main_loop_run"
>#4  0x0000000000404f40 in subthread_main (data=<optimized out>) at gvfsfusedaemon.c:2277
>No locals.
>#5  0x0000003173e6ea45 in g_thread_proxy (data=0x7fa56c0158f0) at gthread.c:798
>        thread = 0x7fa56c0158f0
>#6  0x0000003171a07f35 in start_thread (arg=0x7fa56bdcc700) at pthread_create.c:309
>        __res = <optimized out>
>        pd = 0x7fa56bdcc700
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140348455962368, 8603781527140625334, 0, 0, 140348455963072, 140348455962368, -8634506527022453834, 8576022429224332214}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>        pagesize_m1 = <optimized out>
>        sp = <optimized out>
>        freesize = <optimized out>
>#7  0x00000031712f4c3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
>No locals.
>
>Thread 1 (Thread 0x7fa571030700 (LWP 1654)):
>#0  strlen () at ../sysdeps/x86_64/strlen.S:106
>No locals.
>#1  0x0000003175a14f75 in fuse_add_direntry (req=<optimized out>, buf=buf@entry=0x0, bufsize=bufsize@entry=0, name=name@entry=0x0, stbuf=stbuf@entry=0x0, off=off@entry=0) at fuse_lowlevel.c:275
>        entsize = <optimized out>
>#2  0x0000003175a095e2 in fill_dir (dh_=<optimized out>, name=<optimized out>, statp=<optimized out>, off=<optimized out>) at fuse.c:3431
>        dh = <optimized out>
>        stbuf = {st_dev = 0, st_ino = 4294967295, st_nlink = 0, st_mode = 0, st_uid = 0, st_gid = 0, __pad0 = 0, st_rdev = 0, st_size = 0, st_blksize = 0, st_blocks = 0, st_atim = {tv_sec = 0, tv_nsec = 0}, st_mtim = {tv_sec = 0, tv_nsec = 0}, st_ctim = {tv_sec = 0, tv_nsec = 0}, __unused = {0, 0, 0}}
>        newlen = <optimized out>
>#3  0x000000000040516c in readdir_for_file (filler=0x3175a09500 <fill_dir>, buf=0x7fa55c0088e0, base_file=0x7fa564027440) at gvfsfusedaemon.c:1545
>        enumerator = 0x7fa5580021a0
>        file_info = 0x7fa564036950
>        error = 0x0
>#4  vfs_readdir (path=<optimized out>, buf=0x7fa55c0088e0, filler=0x3175a09500 <fill_dir>, offset=<optimized out>, fi=<optimized out>) at gvfsfusedaemon.c:1587
>        base_file = 0x7fa564027440
>        result = 0
>#5  0x0000003175a0e962 in fuse_fs_readdir (fs=<optimized out>, path=<optimized out>, buf=<optimized out>, filler=<optimized out>, off=<optimized out>, fi=<optimized out>) at fuse.c:2006
>No locals.
>#6  0x0000003175a0eaec in fuse_lib_readdir (req=<optimized out>, ino=<optimized out>, size=<optimized out>, off=<optimized out>, llfi=<optimized out>) at fuse.c:3462
>        f = <optimized out>
>        fi = {flags = 0, fh_old = 0, writepage = 0, direct_io = 0, keep_cache = 0, flush = 0, nonseekable = 0, flock_release = 0, padding = 0, fh = 0, lock_owner = 0}
>        dh = <optimized out>
>#7  0x0000003175a15776 in do_readdir (req=<optimized out>, nodeid=<optimized out>, inarg=<optimized out>) at fuse_lowlevel.c:1389
>        arg = <optimized out>
>        fi = {flags = 0, fh_old = 140348189870304, writepage = 0, direct_io = 0, keep_cache = 0, flush = 0, nonseekable = 0, flock_release = 0, padding = 0, fh = 140348189870304, lock_owner = 0}
>#8  0x0000003175a16cbb in fuse_ll_process_buf (data=0x23de490, buf=0x7fa57102fdc0, ch=<optimized out>) at fuse_lowlevel.c:2441
>        f = 0x23de490
>        bufv = {count = 1, idx = 0, off = 0, buf = {{size = 80, flags = (unknown: 0), mem = 0x7fa571031010, fd = 0, pos = 0}}}
>        tmpbuf = {count = 1, idx = 0, off = 0, buf = {{size = 80, flags = (unknown: 0), mem = 0x0, fd = -1, pos = 0}}}
>        in = 0x7fa571031010
>        inarg = 0x7fa571031038
>        req = <optimized out>
>        mbuf = 0x0
>        err = <optimized out>
>        res = <optimized out>
>#9  0x0000003175a13541 in fuse_do_work (data=0x7fa56c0008c0) at fuse_loop_mt.c:117
>        isforget = 0
>        ch = 0x23ddeb0
>        fbuf = {size = 80, flags = (unknown: 0), mem = 0x7fa571031010, fd = 0, pos = 0}
>        res = <optimized out>
>        w = 0x7fa56c0008c0
>        mt = 0x7fff922a2cb0
>#10 0x0000003171a07f35 in start_thread (arg=0x7fa571030700) at pthread_create.c:309
>        __res = <optimized out>
>        pd = 0x7fa571030700
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140348542355200, 8603781527140625334, 0, 0, 140348542355904, 140348542355200, -8634482735051117642, 8576022429224332214}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>        pagesize_m1 = <optimized out>
>        sp = <optimized out>
>        freesize = <optimized out>
>#11 0x00000031712f4c3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
>No locals.
>From                To                  Syms Read   Shared Object Library
>0x0000003180e128c0  0x0000003180e2a618  Yes         /lib64/libgvfscommon.so.0
>0x00007fa5718857f0  0x00007fa5718af720  Yes         /lib64/libbluray.so.1
>0x0000003174a01190  0x0000003174a02088  Yes         /lib64/libgmodule-2.0.so.0
>0x0000003174e31be0  0x0000003174ef365c  Yes         /lib64/libgio-2.0.so.0
>0x000000317460b160  0x0000003174639a18  Yes         /lib64/libgobject-2.0.so.0
>0x0000003173e1a6e0  0x0000003173eb2f1c  Yes         /lib64/libglib-2.0.so.0
>0x0000003175a08640  0x0000003175a2090c  Yes         /lib64/libfuse.so.2
>0x000000317ae00f10  0x000000317ae01804  Yes         /lib64/libutil.so.1
>0x0000003171a059f0  0x0000003171a115c4  Yes         /lib64/libpthread.so.0
>0x000000317121f560  0x0000003171360a24  Yes         /lib64/libc.so.6
>0x0000003176a2e870  0x0000003176b16930  Yes         /lib64/libxml2.so.2
>0x0000003175e0d320  0x0000003175e78fb4  Yes         /lib64/libfreetype.so.6
>0x0000003171600ed0  0x00000031716019d0  Yes         /lib64/libdl.so.2
>0x0000003174201870  0x0000003174205fe8  Yes         /lib64/libffi.so.6
>0x0000003172202210  0x000000317220e930  Yes         /lib64/libz.so.1
>0x0000003172a064a0  0x0000003172a18fe4  Yes         /lib64/libselinux.so.1
>0x0000003173a03a40  0x0000003173a127cc  Yes         /lib64/libresolv.so.2
>0x0000003170e00b10  0x0000003170e19c30  Yes         /lib64/ld-linux-x86-64.so.2
>0x00000031726030e0  0x0000003172619050  Yes         /lib64/liblzma.so.5
>0x0000003171e05890  0x0000003171e74b18  Yes         /lib64/libm.so.6
>0x0000003175205680  0x0000003175226df8  Yes         /lib64/libpng16.so.16
>0x0000003172e01770  0x0000003172e4b9e0  Yes         /lib64/libpcre.so.1
>0x00007fa56bdd8ef0  0x00007fa56bdf33f8  Yes         /usr/lib64/gio/modules/libgvfsdbus.so
>0x00000031756034a0  0x000000317560bf6c  Yes         /lib64/libudev.so.1
>0x00000031736022d0  0x00000031736050bc  Yes         /lib64/librt.so.1
>0x0000003173202af0  0x00000031732122a8  Yes         /lib64/libgcc_s.so.1
>$1 = 0x0
>$2 = 0x0
>rax            0x0	0
>rbx            0x7fa55c0088e0	140348189870304
>rcx            0x0	0
>rdx            0x0	0
>rsi            0x0	0
>rdi            0x0	0
>rbp            0x0	0x0
>rsp            0x7fa57102f958	0x7fa57102f958
>r8             0x0	0
>r9             0x0	0
>r10            0x0	0
>r11            0x0	0
>r12            0x0	0
>r13            0x0	0
>r14            0x0	0
>r15            0x0	0
>rip            0x31712863ea	0x31712863ea <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
>Dump of assembler code for function strlen:
>   0x00000031712863c0 <+0>:	pxor   %xmm8,%xmm8
>   0x00000031712863c5 <+5>:	pxor   %xmm9,%xmm9
>   0x00000031712863ca <+10>:	pxor   %xmm10,%xmm10
>   0x00000031712863cf <+15>:	pxor   %xmm11,%xmm11
>   0x00000031712863d4 <+20>:	mov    %rdi,%rax
>   0x00000031712863d7 <+23>:	mov    %rdi,%rcx
>   0x00000031712863da <+26>:	and    $0xfff,%rcx
>   0x00000031712863e1 <+33>:	cmp    $0xfcf,%rcx
>   0x00000031712863e8 <+40>:	ja     0x3171286450 <strlen+144>
>=> 0x00000031712863ea <+42>:	movdqu (%rax),%xmm12
>   0x00000031712863ef <+47>:	pcmpeqb %xmm8,%xmm12
>   0x00000031712863f4 <+52>:	pmovmskb %xmm12,%edx
>   0x00000031712863f9 <+57>:	test   %edx,%edx
>   0x00000031712863fb <+59>:	je     0x3171286401 <strlen+65>
>   0x00000031712863fd <+61>:	bsf    %edx,%eax
>   0x0000003171286400 <+64>:	retq   
>   0x0000003171286401 <+65>:	and    $0xfffffffffffffff0,%rax
>   0x0000003171286405 <+69>:	pcmpeqb 0x10(%rax),%xmm9
>   0x000000317128640b <+75>:	pcmpeqb 0x20(%rax),%xmm10
>   0x0000003171286411 <+81>:	pcmpeqb 0x30(%rax),%xmm11
>   0x0000003171286417 <+87>:	pmovmskb %xmm9,%edx
>   0x000000317128641c <+92>:	pmovmskb %xmm10,%r8d
>   0x0000003171286421 <+97>:	pmovmskb %xmm11,%ecx
>   0x0000003171286426 <+102>:	shl    $0x10,%rdx
>   0x000000317128642a <+106>:	shl    $0x10,%rcx
>   0x000000317128642e <+110>:	or     %r8,%rcx
>   0x0000003171286431 <+113>:	shl    $0x20,%rcx
>   0x0000003171286435 <+117>:	or     %rcx,%rdx
>   0x0000003171286438 <+120>:	mov    %rdi,%rcx
>   0x000000317128643b <+123>:	xor    %rax,%rcx
>   0x000000317128643e <+126>:	and    $0xffffffffffffffc0,%rax
>   0x0000003171286442 <+130>:	sar    %cl,%rdx
>   0x0000003171286445 <+133>:	test   %rdx,%rdx
>   0x0000003171286448 <+136>:	je     0x31712864c0 <strlen+256>
>   0x000000317128644a <+138>:	bsf    %rdx,%rax
>   0x000000317128644e <+142>:	retq   
>   0x000000317128644f <+143>:	nop
>   0x0000003171286450 <+144>:	and    $0xffffffffffffffc0,%rax
>   0x0000003171286454 <+148>:	pcmpeqb (%rax),%xmm8
>   0x0000003171286459 <+153>:	pcmpeqb 0x10(%rax),%xmm9
>   0x000000317128645f <+159>:	pcmpeqb 0x20(%rax),%xmm10
>   0x0000003171286465 <+165>:	pcmpeqb 0x30(%rax),%xmm11
>   0x000000317128646b <+171>:	pmovmskb %xmm8,%esi
>   0x0000003171286470 <+176>:	pmovmskb %xmm9,%edx
>   0x0000003171286475 <+181>:	pmovmskb %xmm10,%r8d
>   0x000000317128647a <+186>:	pmovmskb %xmm11,%ecx
>   0x000000317128647f <+191>:	shl    $0x10,%rdx
>   0x0000003171286483 <+195>:	shl    $0x10,%rcx
>   0x0000003171286487 <+199>:	or     %rsi,%rdx
>   0x000000317128648a <+202>:	or     %r8,%rcx
>   0x000000317128648d <+205>:	shl    $0x20,%rcx
>   0x0000003171286491 <+209>:	or     %rcx,%rdx
>   0x0000003171286494 <+212>:	mov    %rdi,%rcx
>   0x0000003171286497 <+215>:	xor    %rax,%rcx
>   0x000000317128649a <+218>:	and    $0xffffffffffffffc0,%rax
>   0x000000317128649e <+222>:	sar    %cl,%rdx
>   0x00000031712864a1 <+225>:	test   %rdx,%rdx
>   0x00000031712864a4 <+228>:	je     0x31712864b0 <strlen+240>
>   0x00000031712864a6 <+230>:	bsf    %rdx,%rax
>   0x00000031712864aa <+234>:	retq   
>   0x00000031712864ab <+235>:	nopl   0x0(%rax,%rax,1)
>   0x00000031712864b0 <+240>:	pxor   %xmm9,%xmm9
>   0x00000031712864b5 <+245>:	pxor   %xmm10,%xmm10
>   0x00000031712864ba <+250>:	pxor   %xmm11,%xmm11
>   0x00000031712864bf <+255>:	nop
>   0x00000031712864c0 <+256>:	movdqa 0x40(%rax),%xmm8
>   0x00000031712864c6 <+262>:	pminub 0x50(%rax),%xmm8
>   0x00000031712864cc <+268>:	pminub 0x60(%rax),%xmm8
>   0x00000031712864d2 <+274>:	pminub 0x70(%rax),%xmm8
>   0x00000031712864d8 <+280>:	pcmpeqb %xmm11,%xmm8
>   0x00000031712864dd <+285>:	pmovmskb %xmm8,%edx
>   0x00000031712864e2 <+290>:	test   %edx,%edx
>   0x00000031712864e4 <+292>:	jne    0x3171286520 <strlen+352>
>   0x00000031712864e6 <+294>:	sub    $0xffffffffffffff80,%rax
>   0x00000031712864ea <+298>:	movdqa (%rax),%xmm8
>   0x00000031712864ef <+303>:	pminub 0x10(%rax),%xmm8
>   0x00000031712864f5 <+309>:	pminub 0x20(%rax),%xmm8
>   0x00000031712864fb <+315>:	pminub 0x30(%rax),%xmm8
>   0x0000003171286501 <+321>:	pcmpeqb %xmm11,%xmm8
>   0x0000003171286506 <+326>:	pmovmskb %xmm8,%edx
>   0x000000317128650b <+331>:	test   %edx,%edx
>   0x000000317128650d <+333>:	jne    0x3171286524 <strlen+356>
>   0x000000317128650f <+335>:	jmp    0x31712864c0 <strlen+256>
>   0x0000003171286511 <+337>:	data32 data32 data32 data32 data32 nopw %cs:0x0(%rax,%rax,1)
>   0x0000003171286520 <+352>:	add    $0x40,%rax
>   0x0000003171286524 <+356>:	pxor   %xmm8,%xmm8
>   0x0000003171286529 <+361>:	pcmpeqb (%rax),%xmm8
>   0x000000317128652e <+366>:	pcmpeqb 0x10(%rax),%xmm9
>   0x0000003171286534 <+372>:	pcmpeqb 0x20(%rax),%xmm10
>   0x000000317128653a <+378>:	pcmpeqb 0x30(%rax),%xmm11
>   0x0000003171286540 <+384>:	pmovmskb %xmm8,%esi
>   0x0000003171286545 <+389>:	pmovmskb %xmm9,%edx
>   0x000000317128654a <+394>:	pmovmskb %xmm10,%r8d
>   0x000000317128654f <+399>:	pmovmskb %xmm11,%ecx
>   0x0000003171286554 <+404>:	shl    $0x10,%rdx
>   0x0000003171286558 <+408>:	shl    $0x10,%rcx
>   0x000000317128655c <+412>:	or     %rsi,%rdx
>   0x000000317128655f <+415>:	or     %r8,%rcx
>   0x0000003171286562 <+418>:	shl    $0x20,%rcx
>   0x0000003171286566 <+422>:	or     %rcx,%rdx
>   0x0000003171286569 <+425>:	bsf    %rdx,%rdx
>   0x000000317128656d <+429>:	add    %rdx,%rax
>   0x0000003171286570 <+432>:	sub    %rdi,%rax
>   0x0000003171286573 <+435>:	retq   
>End of assembler dump.

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Attachments on bug 1141992: 937739 | 937740 | 937741 | 937742 | 937743 | 937744 | 937745 | 937746 | 937747 | 937748 | 937749