Attachment 951169 Details for Bug 1157860 – File: backtrace

File: backtrace

backtrace (text/plain), 18.25 KB, created by W. Conrad Walden on 2014-10-27 22:14:25 UTC

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Creator: W. Conrad Walden

Created: 2014-10-27 22:14:25 UTC

Size: 18.25 KB

patch

obsolete

>warning: core file may not match specified executable file.
>[New LWP 3587]
>[Thread debugging using libthread_db enabled]
>Using host libthread_db library "/lib64/libthread_db.so.1".
>Core was generated by `/usr/bin/systemd-tmpfiles --clean'.
>Program terminated with signal SIGSEGV, Segmentation fault.
>#0  strlen () at ../sysdeps/x86_64/strlen.S:106
>106	../sysdeps/x86_64/strlen.S: No such file or directory.
>
>Thread 1 (Thread 0x7f3a5138b880 (LWP 3587)):
>#0  strlen () at ../sysdeps/x86_64/strlen.S:106
>No locals.
>#1  0x00007f3a508170ae in __GI___strdup (s=0x7f3a51bda064 <error: Cannot access memory at address 0x7f3a51bda064>) at strdup.c:41
>        len = <optimized out>
>        new = <optimized out>
>#2  0x00007f3a50f7c590 in load_mmap (rec=0x7f3a52985030, sb=0x7fff0b0b1a80, sb=0x7fff0b0b1a80, path=0x7f3a52985080 "/etc/selinux/targeted/contexts/files/file_contexts") at label_file.c:375
>        spec = 0x7f3a529b66b0
>        stem_id = <optimized out>
>        mmap_path = "/etc/selinux/targeted/contexts/files/file_contexts.bin", '\000' <repeats 1874 times>...
>        i = 854
>        len = <optimized out>
>        stem_map_len = 23
>        mmap_area = <optimized out>
>        magic = 0x7f3a5123a000
>        mmapfd = <optimized out>
>        rc = -1
>        addr = 0x7f3a51bda064 <error: Cannot access memory at address 0x7f3a51bda064>
>        plen = 0x7f3a51bda060
>        data = <optimized out>
>        stem_map = 0x7f3a52985860
>        section_len = 0x7f3a5123a0f0
>        mmap_stat = {st_dev = 35, st_ino = 231252, st_nlink = 1, st_mode = 33152, st_uid = 0, st_gid = 0, __pad0 = 0, st_rdev = 0, st_size = 1378134, st_blksize = 4096, st_blocks = 2696, st_atim = {tv_sec = 1413982942, tv_nsec = 761034302}, st_mtim = {tv_sec = 1413800164, tv_nsec = 83826896}, st_ctim = {tv_sec = 1413800164, tv_nsec = 83826896}, __unused = {0, 0, 0}}
>#3  process_file (path=path@entry=0x7f3a52985080 "/etc/selinux/targeted/contexts/files/file_contexts", suffix=suffix@entry=0x0, rec=rec@entry=0x7f3a52985030, prefix=prefix@entry=0x0) at label_file.c:454
>        fp = 0x7f3a52986130
>        sb = {st_dev = 35, st_ino = 231248, st_nlink = 1, st_mode = 33188, st_uid = 0, st_gid = 0, __pad0 = 0, st_rdev = 0, st_size = 355844, st_blksize = 4096, st_blocks = 696, st_atim = {tv_sec = 1413800163, tv_nsec = 907827174}, st_mtim = {tv_sec = 1413800163, tv_nsec = 875827224}, st_ctim = {tv_sec = 1413800163, tv_nsec = 875827224}, __unused = {0, 0, 0}}
>        lineno = <optimized out>
>        line_len = 0
>        line_buf = 0x0
>        stack_path = '\000' <repeats 4096 times>
>#4  0x00007f3a50f7d03d in init (rec=0x7f3a52985030, opts=<optimized out>, n=<optimized out>) at label_file.c:514
>        data = 0x7f3a52986040
>        path = 0x7f3a52985080 "/etc/selinux/targeted/contexts/files/file_contexts"
>        prefix = 0x0
>        subs_file = '\000' <repeats 1016 times>...
>        status = -1
>        baseonly = 0
>#5  0x00007f3a50f746a1 in selabel_open (backend=backend@entry=0, opts=opts@entry=0x0, nopts=nopts@entry=0) at label.c:182
>        rec = 0x7f3a52985030
>#6  0x00007f3a513b69ef in label_init (prefix=0x0) at ../src/shared/label.c:69
>        before_timestamp = 900016064
>        after_timestamp = <optimized out>
>        before_mallinfo = {arena = <optimized out>, ordblks = <optimized out>, smblks = <optimized out>, hblks = <optimized out>, hblkhd = <optimized out>, usmblks = <optimized out>, fsmblks = <optimized out>, uordblks = 32, fordblks = <optimized out>, keepcost = <optimized out>}
>        after_mallinfo = <optimized out>
>        __func__ = "label_init"
>#7  0x00007f3a513b331e in main (argc=2, argv=0x7fff0b0b4f68) at ../src/tmpfiles/tmpfiles.c:1443
>        r = <optimized out>
>        k = <optimized out>
>        i = <optimized out>
>        iterator = 0x0
>        __func__ = "main"
>From                To                  Syms Read   Shared Object Library
>0x00007f3a50f704a0  0x00007f3a50f82fe4  Yes         /lib64/libselinux.so.1
>0x00007f3a50d66620  0x00007f3a50d67e58  Yes         /lib64/libcap.so.2
>0x00007f3a50b51af0  0x00007f3a50b612a8  Yes         /lib64/libgcc_s.so.1
>0x00007f3a507b0560  0x00007f3a508f1994  Yes         /lib64/libc.so.6
>0x00007f3a5118eb10  0x00007f3a511a7c30  Yes         /lib64/ld-linux-x86-64.so.2
>0x00007f3a5052c770  0x00007f3a505769e0  Yes         /lib64/libpcre.so.1
>0x00007f3a503090e0  0x00007f3a5031f050  Yes         /lib64/liblzma.so.5
>0x00007f3a50102ed0  0x00007f3a501039d0  Yes         /lib64/libdl.so.2
>0x00007f3a4fefe3d0  0x00007f3a4ff0041c  Yes         /lib64/libattr.so.1
>0x00007f3a4fce59a0  0x00007f3a4fcf1554  Yes         /lib64/libpthread.so.0
>$1 = 0x0
>No symbol "__glib_assert_msg" in current context.
>rax            0x7f3a51bda064	139888456212580
>rbx            0x7f3a51bda064	139888456212580
>rcx            0x64	100
>rdx            0x1ab00	109312
>rsi            0x7f3a51269fc3	139888446316483
>rdi            0x7f3a51bda064	139888456212580
>rbp            0x7f3a51bda060	0x7f3a51bda060
>rsp            0x7fff0b0b1998	0x7fff0b0b1998
>r8             0x30733a745f6365	13637493779817317
>r9             0x3	3
>r10            0x30733a745f636578	3491198407633233272
>r11            0x0	0
>r12            0x356	854
>r13            0x7f3a529b66b0	139888470746800
>r14            0x7f3a52986040	139888470548544
>r15            0x7f3a5123a0f0	139888446120176
>rip            0x7f3a5081736a	0x7f3a5081736a <strlen+42>
>eflags         0x10297	[ CF PF AF SF IF RF ]
>cs             0x33	51
>ss             0x2b	43
>ds             0x0	0
>es             0x0	0
>fs             0x0	0
>gs             0x0	0
>st0            0	(raw 0x00000000000000000000)
>st1            0	(raw 0x00000000000000000000)
>st2            0	(raw 0x00000000000000000000)
>st3            0	(raw 0x00000000000000000000)
>st4            0	(raw 0x00000000000000000000)
>st5            0	(raw 0x00000000000000000000)
>st6            0	(raw 0x00000000000000000000)
>st7            0	(raw 0x00000000000000000000)
>fctrl          0x37f	895
>fstat          0x0	0
>ftag           0xffff	65535
>fiseg          0x0	0
>fioff          0x0	0
>foseg          0x0	0
>fooff          0x0	0
>fop            0x0	0
>mxcsr          0x9fc0	[ DAZ IM DM ZM OM UM PM FZ ]
>ymm0           {v8_float = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_double = {0x8000000000000000, 0x0, 0x0, 0x0}, v32_int8 = {0x0, 0x0, 0x0, 0x0, 0xff, 0x0, 0x0, 0xff, 0xff, 0x0, 0xff, 0xff, 0xff, 0x0 <repeats 19 times>}, v16_int16 = {0x0, 0x0, 0xff, 0xff00, 0xff, 0xffff, 0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v8_int32 = {0x0, 0xff0000ff, 0xffff00ff, 0xff, 0x0, 0x0, 0x0, 0x0}, v4_int64 = {0xff0000ff00000000, 0xffffff00ff, 0x0, 0x0}, v2_int128 = {0x000000ffffff00ffff0000ff00000000, 0x00000000000000000000000000000000}}
>ymm1           {v8_float = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_double = {0x0, 0x0, 0x0, 0x0}, v32_int8 = {0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0 <repeats 19 times>}, v16_int16 = {0xff, 0x0, 0x0, 0x0, 0x0, 0x101, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v8_int32 = {0xff, 0x0, 0x1010000, 0x1, 0x0, 0x0, 0x0, 0x0}, v4_int64 = {0xff, 0x101010000, 0x0, 0x0}, v2_int128 = {0x000000010101000000000000000000ff, 0x00000000000000000000000000000000}}
>ymm2           {v8_float = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_double = {0x0, 0x8000000000000000, 0x0, 0x0}, v32_int8 = {0x2f, 0x6e, 0x73, 0x72, 0x0, 0x9, 0x0, 0x0, 0x0, 0x2f, 0x74, 0x66, 0x74, 0x70, 0x62, 0x6f, 0x0 <repeats 16 times>}, v16_int16 = {0x6e2f, 0x7273, 0x900, 0x0, 0x2f00, 0x6674, 0x7074, 0x6f62, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v8_int32 = {0x72736e2f, 0x900, 0x66742f00, 0x6f627074, 0x0, 0x0, 0x0, 0x0}, v4_int64 = {0x90072736e2f, 0x6f62707466742f00, 0x0, 0x0}, v2_int128 = {0x6f62707466742f000000090072736e2f, 0x00000000000000000000000000000000}}
>ymm3           {v8_float = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_double = {0x8000000000000000, 0x8000000000000000, 0x0, 0x0}, v32_int8 = {0x4, 0x0, 0x0, 0x0, 0x2f, 0x75, 0x73, 0x72, 0x0, 0x4, 0x0, 0x0, 0x0, 0x2f, 0x65, 0x74, 0x0 <repeats 16 times>}, v16_int16 = {0x4, 0x0, 0x752f, 0x7273, 0x400, 0x0, 0x2f00, 0x7465, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v8_int32 = {0x4, 0x7273752f, 0x400, 0x74652f00, 0x0, 0x0, 0x0, 0x0}, v4_int64 = {0x7273752f00000004, 0x74652f0000000400, 0x0, 0x0}, v2_int128 = {0x74652f00000004007273752f00000004, 0x00000000000000000000000000000000}}
>ymm4           {v8_float = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_double = {0x8000000000000000, 0x0, 0x0, 0x0}, v32_int8 = {0x63, 0x0, 0x4, 0x0, 0x0, 0x0, 0x2f, 0x72, 0x75, 0x6e, 0x0, 0x4, 0x0, 0x0, 0x0, 0x2f, 0x0 <repeats 16 times>}, v16_int16 = {0x63, 0x4, 0x0, 0x722f, 0x6e75, 0x400, 0x0, 0x2f00, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v8_int32 = {0x40063, 0x722f0000, 0x4006e75, 0x2f000000, 0x0, 0x0, 0x0, 0x0}, v4_int64 = {0x722f000000040063, 0x2f00000004006e75, 0x0, 0x0}, v2_int128 = {0x2f00000004006e75722f000000040063, 0x00000000000000000000000000000000}}
>ymm5           {v8_float = {0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x0, 0x0, 0x0, 0x0}, v4_double = {0x8000000000000000, 0x8000000000000000, 0x0, 0x0}, v32_int8 = {0x5a <repeats 16 times>, 0x0 <repeats 16 times>}, v16_int16 = {0x5a5a, 0x5a5a, 0x5a5a, 0x5a5a, 0x5a5a, 0x5a5a, 0x5a5a, 0x5a5a, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v8_int32 = {0x5a5a5a5a, 0x5a5a5a5a, 0x5a5a5a5a, 0x5a5a5a5a, 0x0, 0x0, 0x0, 0x0}, v4_int64 = {0x5a5a5a5a5a5a5a5a, 0x5a5a5a5a5a5a5a5a, 0x0, 0x0}, v2_int128 = {0x5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a, 0x00000000000000000000000000000000}}
>ymm6           {v8_float = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_double = {0x0, 0x0, 0x0, 0x0}, v32_int8 = {0x20 <repeats 16 times>, 0x0 <repeats 16 times>}, v16_int16 = {0x2020, 0x2020, 0x2020, 0x2020, 0x2020, 0x2020, 0x2020, 0x2020, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v8_int32 = {0x20202020, 0x20202020, 0x20202020, 0x20202020, 0x0, 0x0, 0x0, 0x0}, v4_int64 = {0x2020202020202020, 0x2020202020202020, 0x0, 0x0}, v2_int128 = {0x20202020202020202020202020202020, 0x00000000000000000000000000000000}}
>ymm7           {v8_float = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_double = {0x8000000000000000, 0x8000000000000000, 0x0, 0x0}, v32_int8 = {0xff <repeats 11 times>, 0x0, 0xff, 0xff, 0xff, 0xff, 0x0 <repeats 16 times>}, v16_int16 = {0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xff, 0xffff, 0xffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v8_int32 = {0xffffffff, 0xffffffff, 0xffffff, 0xffffffff, 0x0, 0x0, 0x0, 0x0}, v4_int64 = {0xffffffffffffffff, 0xffffffff00ffffff, 0x0, 0x0}, v2_int128 = {0xffffffff00ffffffffffffffffffffff, 0x00000000000000000000000000000000}}
>ymm8           {v8_float = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_double = {0x0, 0x0, 0x0, 0x0}, v32_int8 = {0x0 <repeats 32 times>}, v16_int16 = {0x0 <repeats 16 times>}, v8_int32 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int64 = {0x0, 0x0, 0x0, 0x0}, v2_int128 = {0x00000000000000000000000000000000, 0x00000000000000000000000000000000}}
>ymm9           {v8_float = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_double = {0x0, 0x0, 0x0, 0x0}, v32_int8 = {0x0 <repeats 32 times>}, v16_int16 = {0x0 <repeats 16 times>}, v8_int32 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int64 = {0x0, 0x0, 0x0, 0x0}, v2_int128 = {0x00000000000000000000000000000000, 0x00000000000000000000000000000000}}
>ymm10          {v8_float = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_double = {0x0, 0x0, 0x0, 0x0}, v32_int8 = {0x0 <repeats 32 times>}, v16_int16 = {0x0 <repeats 16 times>}, v8_int32 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int64 = {0x0, 0x0, 0x0, 0x0}, v2_int128 = {0x00000000000000000000000000000000, 0x00000000000000000000000000000000}}
>ymm11          {v8_float = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_double = {0x0, 0x0, 0x0, 0x0}, v32_int8 = {0x0 <repeats 32 times>}, v16_int16 = {0x0 <repeats 16 times>}, v8_int32 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int64 = {0x0, 0x0, 0x0, 0x0}, v2_int128 = {0x00000000000000000000000000000000, 0x00000000000000000000000000000000}}
>ymm12          {v8_float = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_double = {0x0, 0x0, 0x0, 0x0}, v32_int8 = {0x0 <repeats 32 times>}, v16_int16 = {0x0 <repeats 16 times>}, v8_int32 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int64 = {0x0, 0x0, 0x0, 0x0}, v2_int128 = {0x00000000000000000000000000000000, 0x00000000000000000000000000000000}}
>ymm13          {v8_float = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_double = {0x0, 0x0, 0x0, 0x0}, v32_int8 = {0x0 <repeats 32 times>}, v16_int16 = {0x0 <repeats 16 times>}, v8_int32 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int64 = {0x0, 0x0, 0x0, 0x0}, v2_int128 = {0x00000000000000000000000000000000, 0x00000000000000000000000000000000}}
>ymm14          {v8_float = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_double = {0x0, 0x0, 0x0, 0x0}, v32_int8 = {0x0 <repeats 32 times>}, v16_int16 = {0x0 <repeats 16 times>}, v8_int32 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int64 = {0x0, 0x0, 0x0, 0x0}, v2_int128 = {0x00000000000000000000000000000000, 0x00000000000000000000000000000000}}
>ymm15          {v8_float = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_double = {0x0, 0x0, 0x0, 0x0}, v32_int8 = {0x0 <repeats 32 times>}, v16_int16 = {0x0 <repeats 16 times>}, v8_int32 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int64 = {0x0, 0x0, 0x0, 0x0}, v2_int128 = {0x00000000000000000000000000000000, 0x00000000000000000000000000000000}}
>Dump of assembler code for function strlen:
>   0x00007f3a50817340 <+0>:	pxor   %xmm8,%xmm8
>   0x00007f3a50817345 <+5>:	pxor   %xmm9,%xmm9
>   0x00007f3a5081734a <+10>:	pxor   %xmm10,%xmm10
>   0x00007f3a5081734f <+15>:	pxor   %xmm11,%xmm11
>   0x00007f3a50817354 <+20>:	mov    %rdi,%rax
>   0x00007f3a50817357 <+23>:	mov    %rdi,%rcx
>   0x00007f3a5081735a <+26>:	and    $0xfff,%rcx
>   0x00007f3a50817361 <+33>:	cmp    $0xfcf,%rcx
>   0x00007f3a50817368 <+40>:	ja     0x7f3a508173d0 <strlen+144>
>=> 0x00007f3a5081736a <+42>:	movdqu (%rax),%xmm12
>   0x00007f3a5081736f <+47>:	pcmpeqb %xmm8,%xmm12
>   0x00007f3a50817374 <+52>:	pmovmskb %xmm12,%edx
>   0x00007f3a50817379 <+57>:	test   %edx,%edx
>   0x00007f3a5081737b <+59>:	je     0x7f3a50817381 <strlen+65>
>   0x00007f3a5081737d <+61>:	bsf    %edx,%eax
>   0x00007f3a50817380 <+64>:	retq   
>   0x00007f3a50817381 <+65>:	and    $0xfffffffffffffff0,%rax
>   0x00007f3a50817385 <+69>:	pcmpeqb 0x10(%rax),%xmm9
>   0x00007f3a5081738b <+75>:	pcmpeqb 0x20(%rax),%xmm10
>   0x00007f3a50817391 <+81>:	pcmpeqb 0x30(%rax),%xmm11
>   0x00007f3a50817397 <+87>:	pmovmskb %xmm9,%edx
>   0x00007f3a5081739c <+92>:	pmovmskb %xmm10,%r8d
>   0x00007f3a508173a1 <+97>:	pmovmskb %xmm11,%ecx
>   0x00007f3a508173a6 <+102>:	shl    $0x10,%rdx
>   0x00007f3a508173aa <+106>:	shl    $0x10,%rcx
>   0x00007f3a508173ae <+110>:	or     %r8,%rcx
>   0x00007f3a508173b1 <+113>:	shl    $0x20,%rcx
>   0x00007f3a508173b5 <+117>:	or     %rcx,%rdx
>   0x00007f3a508173b8 <+120>:	mov    %rdi,%rcx
>   0x00007f3a508173bb <+123>:	xor    %rax,%rcx
>   0x00007f3a508173be <+126>:	and    $0xffffffffffffffc0,%rax
>   0x00007f3a508173c2 <+130>:	sar    %cl,%rdx
>   0x00007f3a508173c5 <+133>:	test   %rdx,%rdx
>   0x00007f3a508173c8 <+136>:	je     0x7f3a50817440 <strlen+256>
>   0x00007f3a508173ca <+138>:	bsf    %rdx,%rax
>   0x00007f3a508173ce <+142>:	retq   
>   0x00007f3a508173cf <+143>:	nop
>   0x00007f3a508173d0 <+144>:	and    $0xffffffffffffffc0,%rax
>   0x00007f3a508173d4 <+148>:	pcmpeqb (%rax),%xmm8
>   0x00007f3a508173d9 <+153>:	pcmpeqb 0x10(%rax),%xmm9
>   0x00007f3a508173df <+159>:	pcmpeqb 0x20(%rax),%xmm10
>   0x00007f3a508173e5 <+165>:	pcmpeqb 0x30(%rax),%xmm11
>   0x00007f3a508173eb <+171>:	pmovmskb %xmm8,%esi
>   0x00007f3a508173f0 <+176>:	pmovmskb %xmm9,%edx
>   0x00007f3a508173f5 <+181>:	pmovmskb %xmm10,%r8d
>   0x00007f3a508173fa <+186>:	pmovmskb %xmm11,%ecx
>   0x00007f3a508173ff <+191>:	shl    $0x10,%rdx
>   0x00007f3a50817403 <+195>:	shl    $0x10,%rcx
>   0x00007f3a50817407 <+199>:	or     %rsi,%rdx
>   0x00007f3a5081740a <+202>:	or     %r8,%rcx
>   0x00007f3a5081740d <+205>:	shl    $0x20,%rcx
>   0x00007f3a50817411 <+209>:	or     %rcx,%rdx
>   0x00007f3a50817414 <+212>:	mov    %rdi,%rcx
>   0x00007f3a50817417 <+215>:	xor    %rax,%rcx
>   0x00007f3a5081741a <+218>:	and    $0xffffffffffffffc0,%rax
>   0x00007f3a5081741e <+222>:	sar    %cl,%rdx
>   0x00007f3a50817421 <+225>:	test   %rdx,%rdx
>   0x00007f3a50817424 <+228>:	je     0x7f3a50817430 <strlen+240>
>   0x00007f3a50817426 <+230>:	bsf    %rdx,%rax
>   0x00007f3a5081742a <+234>:	retq   
>   0x00007f3a5081742b <+235>:	nopl   0x0(%rax,%rax,1)
>   0x00007f3a50817430 <+240>:	pxor   %xmm9,%xmm9
>   0x00007f3a50817435 <+245>:	pxor   %xmm10,%xmm10
>   0x00007f3a5081743a <+250>:	pxor   %xmm11,%xmm11
>   0x00007f3a5081743f <+255>:	nop
>   0x00007f3a50817440 <+256>:	movdqa 0x40(%rax),%xmm8
>   0x00007f3a50817446 <+262>:	pminub 0x50(%rax),%xmm8
>   0x00007f3a5081744c <+268>:	pminub 0x60(%rax),%xmm8
>   0x00007f3a50817452 <+274>:	pminub 0x70(%rax),%xmm8
>   0x00007f3a50817458 <+280>:	pcmpeqb %xmm11,%xmm8
>   0x00007f3a5081745d <+285>:	pmovmskb %xmm8,%edx
>   0x00007f3a50817462 <+290>:	test   %edx,%edx
>   0x00007f3a50817464 <+292>:	jne    0x7f3a508174a0 <strlen+352>
>   0x00007f3a50817466 <+294>:	sub    $0xffffffffffffff80,%rax
>   0x00007f3a5081746a <+298>:	movdqa (%rax),%xmm8
>   0x00007f3a5081746f <+303>:	pminub 0x10(%rax),%xmm8
>   0x00007f3a50817475 <+309>:	pminub 0x20(%rax),%xmm8
>   0x00007f3a5081747b <+315>:	pminub 0x30(%rax),%xmm8
>   0x00007f3a50817481 <+321>:	pcmpeqb %xmm11,%xmm8
>   0x00007f3a50817486 <+326>:	pmovmskb %xmm8,%edx
>   0x00007f3a5081748b <+331>:	test   %edx,%edx
>   0x00007f3a5081748d <+333>:	jne    0x7f3a508174a4 <strlen+356>
>   0x00007f3a5081748f <+335>:	jmp    0x7f3a50817440 <strlen+256>
>   0x00007f3a50817491 <+337>:	data32 data32 data32 data32 data32 nopw %cs:0x0(%rax,%rax,1)
>   0x00007f3a508174a0 <+352>:	add    $0x40,%rax
>   0x00007f3a508174a4 <+356>:	pxor   %xmm8,%xmm8
>   0x00007f3a508174a9 <+361>:	pcmpeqb (%rax),%xmm8
>   0x00007f3a508174ae <+366>:	pcmpeqb 0x10(%rax),%xmm9
>   0x00007f3a508174b4 <+372>:	pcmpeqb 0x20(%rax),%xmm10
>   0x00007f3a508174ba <+378>:	pcmpeqb 0x30(%rax),%xmm11
>   0x00007f3a508174c0 <+384>:	pmovmskb %xmm8,%esi
>   0x00007f3a508174c5 <+389>:	pmovmskb %xmm9,%edx
>   0x00007f3a508174ca <+394>:	pmovmskb %xmm10,%r8d
>   0x00007f3a508174cf <+399>:	pmovmskb %xmm11,%ecx
>   0x00007f3a508174d4 <+404>:	shl    $0x10,%rdx
>   0x00007f3a508174d8 <+408>:	shl    $0x10,%rcx
>   0x00007f3a508174dc <+412>:	or     %rsi,%rdx
>   0x00007f3a508174df <+415>:	or     %r8,%rcx
>   0x00007f3a508174e2 <+418>:	shl    $0x20,%rcx
>   0x00007f3a508174e6 <+422>:	or     %rcx,%rdx
>   0x00007f3a508174e9 <+425>:	bsf    %rdx,%rdx
>   0x00007f3a508174ed <+429>:	add    %rdx,%rax
>   0x00007f3a508174f0 <+432>:	sub    %rdi,%rax
>   0x00007f3a508174f3 <+435>:	retq   
>End of assembler dump.

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Attachments on bug 1157860: 951169 | 951170 | 951171 | 951172 | 951173 | 951174 | 951175 | 951176 | 951177 | 951178 | 951179