Attachment 860327 Details for Bug 1062419 – File: backtrace

File: backtrace

backtrace (text/plain), 12.63 KB, created by Davide Repetto on 2014-02-06 21:00:19 UTC

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Creator: Davide Repetto

Created: 2014-02-06 21:00:19 UTC

Size: 12.63 KB

patch

obsolete

>[New LWP 5013]
>Core was generated by `pppoe-discovery'.
>Program terminated with signal SIGSEGV, Segmentation fault.
>#0  __strncpy_sse2 (s1=0x7fff9f104e7f "", s2=0x1 <Address 0x1 out of bounds>, n=16) at ./strncpy.c:41
>41		  c = *s2++;
>
>Thread 1 (LWP 5013):
>#0  __strncpy_sse2 (s1=0x7fff9f104e7f "", s2=0x1 <Address 0x1 out of bounds>, n=16) at ./strncpy.c:41
>        n4 = 4
>        c = <optimized out>
>        s = 0x7fff9f104e80 ""
>#1  0x00007f623a4634ed in strncpy (__len=16, __src=0x0, __dest=0x7fff9f104e80 "") at /usr/include/bits/string3.h:120
>No locals.
>#2  openInterface (ifname=0x0, type=<optimized out>, hwaddr=hwaddr@entry=0x7f623c16201c "") at pppoe-discovery.c:144
>        optval = 1
>        fd = 3
>        ifr = {ifr_ifrn = {ifrn_name = "\000\000\000\000\000\000\000\000\320N\020\237\377\177\000"}, ifr_ifru = {ifru_addr = {sa_family = 20760, sa_data = "\020\237\377\177\000\000\000\000\000\000\000\000\000"}, ifru_dstaddr = {sa_family = 20760, sa_data = "\020\237\377\177\000\000\000\000\000\000\000\000\000"}, ifru_broadaddr = {sa_family = 20760, sa_data = "\020\237\377\177\000\000\000\000\000\000\000\000\000"}, ifru_netmask = {sa_family = 20760, sa_data = "\020\237\377\177\000\000\000\000\000\000\000\000\000"}, ifru_hwaddr = {sa_family = 20760, sa_data = "\020\237\377\177\000\000\000\000\000\000\000\000\000"}, ifru_flags = 20760, ifru_ivalue = -1626320616, ifru_mtu = -1626320616, ifru_map = {mem_start = 140735862034712, mem_end = 0, base_addr = 0, irq = 0 '\000', dma = 0 '\000', port = 0 '\000'}, ifru_slave = "\030Q\020\237\377\177\000\000\000\000\000\000\000\000\000", ifru_newname = "\030Q\020\237\377\177\000\000\000\000\000\000\000\000\000", ifru_data = 0x7fff9f105118, ifru_settings = {type = 2668646680, size = 32767, ifs_ifsu = {raw_hdlc = 0x0, cisco = 0x0, fr = 0x0, fr_pvc = 0x0, fr_pvc_info = 0x0, sync = 0x0, te1 = 0x0}}}}
>        sa = {sll_family = 0, sll_protocol = 0, sll_ifindex = 0, sll_hatype = 0, sll_pkttype = 0 '\000', sll_halen = 0 '\000', sll_addr = "\000\000\000\000\000\000\000"}
>#3  0x00007f623a463712 in discovery (conn=conn@entry=0x7f623c162010) at pppoe-discovery.c:626
>        padiAttempts = 0
>#4  0x00007f623a4625e2 in main (argc=1, argv=0x7fff9f105118) at pppoe-discovery.c:697
>        opt = <optimized out>
>        conn = 0x7f623c162010
>From                To                  Syms Read   Shared Object Library
>0x00007f6239e9f560  0x00007f6239fe0bb4  Yes         /lib64/libc.so.6
>0x00007f623a23fb10  0x00007f623a258c70  Yes         /lib64/ld-linux-x86-64.so.2
>$1 = 0x0
>No symbol "__glib_assert_msg" in current context.
>rax            0x7fff9f104e80	140735862034048
>rbx            0x3	3
>rcx            0x7fff9f104e7f	140735862034047
>rdx            0x10	16
>rsi            0x0	0
>rdi            0x7fff9f104e80	140735862034048
>rbp            0x7fff9f104e80	0x7fff9f104e80
>rsp            0x7fff9f104e48	0x7fff9f104e48
>r8             0x4	4
>r9             0x4	4
>r10            0x7fff9f104e5c	140735862034012
>r11            0x206	518
>r12            0x7f623c16201c	140059891605532
>r13            0x0	0
>r14            0x8863	34915
>r15            0x0	0
>rip            0x7f6239f13d37	0x7f6239f13d37 <__strncpy_sse2+103>
>eflags         0x10212	[ AF 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 __strncpy_sse2:
>   0x00007f6239f13cd0 <+0>:	cmp    $0x3,%rdx
>   0x00007f6239f13cd4 <+4>:	mov    %rdi,%rax
>   0x00007f6239f13cd7 <+7>:	lea    -0x1(%rdi),%rcx
>   0x00007f6239f13cdb <+11>:	jbe    0x7f6239f13e70 <__strncpy_sse2+416>
>   0x00007f6239f13ce1 <+17>:	mov    %rdx,%r9
>   0x00007f6239f13ce4 <+20>:	shr    $0x2,%r9
>   0x00007f6239f13ce8 <+24>:	jmp    0x7f6239f13d37 <__strncpy_sse2+103>
>   0x00007f6239f13cea <+26>:	nopw   0x0(%rax,%rax,1)
>   0x00007f6239f13cf0 <+32>:	movzbl 0x1(%rsi),%r8d
>   0x00007f6239f13cf5 <+37>:	test   %r8b,%r8b
>   0x00007f6239f13cf8 <+40>:	mov    %r8b,0x2(%rcx)
>   0x00007f6239f13cfc <+44>:	je     0x7f6239f13ee0 <__strncpy_sse2+528>
>   0x00007f6239f13d02 <+50>:	movzbl 0x2(%rsi),%r8d
>   0x00007f6239f13d07 <+55>:	test   %r8b,%r8b
>   0x00007f6239f13d0a <+58>:	mov    %r8b,0x3(%rcx)
>   0x00007f6239f13d0e <+62>:	je     0x7f6239f13ef0 <__strncpy_sse2+544>
>   0x00007f6239f13d14 <+68>:	add    $0x4,%rsi
>   0x00007f6239f13d18 <+72>:	movzbl -0x1(%rsi),%r8d
>   0x00007f6239f13d1d <+77>:	add    $0x4,%rcx
>   0x00007f6239f13d21 <+81>:	test   %r8b,%r8b
>   0x00007f6239f13d24 <+84>:	mov    %r8b,(%rcx)
>   0x00007f6239f13d27 <+87>:	je     0x7f6239f13f00 <__strncpy_sse2+560>
>   0x00007f6239f13d2d <+93>:	sub    $0x1,%r9
>   0x00007f6239f13d31 <+97>:	je     0x7f6239f13e70 <__strncpy_sse2+416>
>=> 0x00007f6239f13d37 <+103>:	movzbl (%rsi),%r8d
>   0x00007f6239f13d3b <+107>:	test   %r8b,%r8b
>   0x00007f6239f13d3e <+110>:	mov    %r8b,0x1(%rcx)
>   0x00007f6239f13d42 <+114>:	jne    0x7f6239f13cf0 <__strncpy_sse2+32>
>   0x00007f6239f13d44 <+116>:	lea    0x1(%rcx),%rsi
>   0x00007f6239f13d48 <+120>:	mov    %rax,%rcx
>   0x00007f6239f13d4b <+123>:	sub    %rsi,%rcx
>   0x00007f6239f13d4e <+126>:	lea    -0x1(%rdx,%rcx,1),%r8
>   0x00007f6239f13d53 <+131>:	test   %r8,%r8
>   0x00007f6239f13d56 <+134>:	je     0x7f6239f13ed8 <__strncpy_sse2+520>
>   0x00007f6239f13d5c <+140>:	mov    %rsi,%r9
>   0x00007f6239f13d5f <+143>:	not    %r9
>   0x00007f6239f13d62 <+146>:	and    $0xf,%r9d
>   0x00007f6239f13d66 <+150>:	cmp    %r9,%r8
>   0x00007f6239f13d69 <+153>:	cmovbe %r8,%r9
>   0x00007f6239f13d6d <+157>:	cmp    $0x12,%r8
>   0x00007f6239f13d71 <+161>:	jbe    0x7f6239f13ea0 <__strncpy_sse2+464>
>   0x00007f6239f13d77 <+167>:	test   %r9,%r9
>   0x00007f6239f13d7a <+170>:	jne    0x7f6239f13f0a <__strncpy_sse2+570>
>   0x00007f6239f13d80 <+176>:	xor    %r9d,%r9d
>   0x00007f6239f13d83 <+179>:	mov    %r8,%rdx
>   0x00007f6239f13d86 <+182>:	mov    %rsi,%rcx
>   0x00007f6239f13d89 <+185>:	sub    %r9,%rdx
>   0x00007f6239f13d8c <+188>:	mov    %rdx,%r10
>   0x00007f6239f13d8f <+191>:	shr    $0x4,%r10
>   0x00007f6239f13d93 <+195>:	mov    %r10,%rdi
>   0x00007f6239f13d96 <+198>:	shl    $0x4,%rdi
>   0x00007f6239f13d9a <+202>:	test   %rdi,%rdi
>   0x00007f6239f13d9d <+205>:	je     0x7f6239f13dcc <__strncpy_sse2+252>
>   0x00007f6239f13d9f <+207>:	pxor   %xmm0,%xmm0
>   0x00007f6239f13da3 <+211>:	lea    0x1(%rcx,%r9,1),%r9
>   0x00007f6239f13da8 <+216>:	xor    %ecx,%ecx
>   0x00007f6239f13daa <+218>:	add    $0x1,%rcx
>   0x00007f6239f13dae <+222>:	add    $0x10,%r9
>   0x00007f6239f13db2 <+226>:	movdqa %xmm0,-0x10(%r9)
>   0x00007f6239f13db8 <+232>:	cmp    %rcx,%r10
>   0x00007f6239f13dbb <+235>:	ja     0x7f6239f13daa <__strncpy_sse2+218>
>   0x00007f6239f13dbd <+237>:	add    %rdi,%rsi
>   0x00007f6239f13dc0 <+240>:	sub    %rdi,%r8
>   0x00007f6239f13dc3 <+243>:	cmp    %rdx,%rdi
>   0x00007f6239f13dc6 <+246>:	je     0x7f6239f13e75 <__strncpy_sse2+421>
>   0x00007f6239f13dcc <+252>:	cmp    $0x1,%r8
>   0x00007f6239f13dd0 <+256>:	movb   $0x0,0x1(%rsi)
>   0x00007f6239f13dd4 <+260>:	je     0x7f6239f13e75 <__strncpy_sse2+421>
>   0x00007f6239f13dda <+266>:	cmp    $0x2,%r8
>   0x00007f6239f13dde <+270>:	movb   $0x0,0x2(%rsi)
>   0x00007f6239f13de2 <+274>:	je     0x7f6239f13e75 <__strncpy_sse2+421>
>   0x00007f6239f13de8 <+280>:	cmp    $0x3,%r8
>   0x00007f6239f13dec <+284>:	movb   $0x0,0x3(%rsi)
>   0x00007f6239f13df0 <+288>:	je     0x7f6239f13e75 <__strncpy_sse2+421>
>   0x00007f6239f13df6 <+294>:	cmp    $0x4,%r8
>   0x00007f6239f13dfa <+298>:	movb   $0x0,0x4(%rsi)
>   0x00007f6239f13dfe <+302>:	je     0x7f6239f13e75 <__strncpy_sse2+421>
>   0x00007f6239f13e00 <+304>:	cmp    $0x5,%r8
>   0x00007f6239f13e04 <+308>:	movb   $0x0,0x5(%rsi)
>   0x00007f6239f13e08 <+312>:	je     0x7f6239f13e75 <__strncpy_sse2+421>
>   0x00007f6239f13e0a <+314>:	cmp    $0x6,%r8
>   0x00007f6239f13e0e <+318>:	movb   $0x0,0x6(%rsi)
>   0x00007f6239f13e12 <+322>:	je     0x7f6239f13e75 <__strncpy_sse2+421>
>   0x00007f6239f13e14 <+324>:	cmp    $0x7,%r8
>   0x00007f6239f13e18 <+328>:	movb   $0x0,0x7(%rsi)
>   0x00007f6239f13e1c <+332>:	je     0x7f6239f13e75 <__strncpy_sse2+421>
>   0x00007f6239f13e1e <+334>:	cmp    $0x8,%r8
>   0x00007f6239f13e22 <+338>:	movb   $0x0,0x8(%rsi)
>   0x00007f6239f13e26 <+342>:	je     0x7f6239f13e75 <__strncpy_sse2+421>
>   0x00007f6239f13e28 <+344>:	cmp    $0x9,%r8
>   0x00007f6239f13e2c <+348>:	movb   $0x0,0x9(%rsi)
>   0x00007f6239f13e30 <+352>:	je     0x7f6239f13e75 <__strncpy_sse2+421>
>   0x00007f6239f13e32 <+354>:	cmp    $0xa,%r8
>   0x00007f6239f13e36 <+358>:	movb   $0x0,0xa(%rsi)
>   0x00007f6239f13e3a <+362>:	je     0x7f6239f13e75 <__strncpy_sse2+421>
>   0x00007f6239f13e3c <+364>:	cmp    $0xb,%r8
>   0x00007f6239f13e40 <+368>:	movb   $0x0,0xb(%rsi)
>   0x00007f6239f13e44 <+372>:	je     0x7f6239f13e75 <__strncpy_sse2+421>
>   0x00007f6239f13e46 <+374>:	cmp    $0xc,%r8
>   0x00007f6239f13e4a <+378>:	movb   $0x0,0xc(%rsi)
>   0x00007f6239f13e4e <+382>:	je     0x7f6239f13e75 <__strncpy_sse2+421>
>   0x00007f6239f13e50 <+384>:	cmp    $0xd,%r8
>   0x00007f6239f13e54 <+388>:	movb   $0x0,0xd(%rsi)
>   0x00007f6239f13e58 <+392>:	je     0x7f6239f13e75 <__strncpy_sse2+421>
>   0x00007f6239f13e5a <+394>:	cmp    $0xe,%r8
>   0x00007f6239f13e5e <+398>:	movb   $0x0,0xe(%rsi)
>   0x00007f6239f13e62 <+402>:	je     0x7f6239f13f08 <__strncpy_sse2+568>
>   0x00007f6239f13e68 <+408>:	movb   $0x0,0xf(%rsi)
>   0x00007f6239f13e6c <+412>:	retq   
>   0x00007f6239f13e6d <+413>:	nopl   (%rax)
>   0x00007f6239f13e70 <+416>:	and    $0x3,%edx
>   0x00007f6239f13e73 <+419>:	jne    0x7f6239f13e85 <__strncpy_sse2+437>
>   0x00007f6239f13e75 <+421>:	repz retq 
>   0x00007f6239f13e77 <+423>:	nopw   0x0(%rax,%rax,1)
>   0x00007f6239f13e80 <+432>:	test   %r8b,%r8b
>   0x00007f6239f13e83 <+435>:	je     0x7f6239f13ea6 <__strncpy_sse2+470>
>   0x00007f6239f13e85 <+437>:	add    $0x1,%rsi
>   0x00007f6239f13e89 <+441>:	movzbl -0x1(%rsi),%r8d
>   0x00007f6239f13e8e <+446>:	add    $0x1,%rcx
>   0x00007f6239f13e92 <+450>:	sub    $0x1,%rdx
>   0x00007f6239f13e96 <+454>:	mov    %r8b,(%rcx)
>   0x00007f6239f13e99 <+457>:	jne    0x7f6239f13e80 <__strncpy_sse2+432>
>   0x00007f6239f13e9b <+459>:	jmp    0x7f6239f13e75 <__strncpy_sse2+421>
>   0x00007f6239f13e9d <+461>:	nopl   (%rax)
>   0x00007f6239f13ea0 <+464>:	mov    %rsi,%rcx
>   0x00007f6239f13ea3 <+467>:	mov    %r8,%rdx
>   0x00007f6239f13ea6 <+470>:	mov    %rdx,%r9
>   0x00007f6239f13ea9 <+473>:	lea    (%rcx,%r9,1),%rdi
>   0x00007f6239f13ead <+477>:	mov    %rdx,%r8
>   0x00007f6239f13eb0 <+480>:	mov    %rcx,%rsi
>   0x00007f6239f13eb3 <+483>:	nopl   0x0(%rax,%rax,1)
>   0x00007f6239f13eb8 <+488>:	add    $0x1,%rsi
>   0x00007f6239f13ebc <+492>:	sub    $0x1,%r8
>   0x00007f6239f13ec0 <+496>:	movb   $0x0,(%rsi)
>   0x00007f6239f13ec3 <+499>:	cmp    %rdi,%rsi
>   0x00007f6239f13ec6 <+502>:	jne    0x7f6239f13eb8 <__strncpy_sse2+488>
>   0x00007f6239f13ec8 <+504>:	cmp    %r9,%rdx
>   0x00007f6239f13ecb <+507>:	jne    0x7f6239f13d89 <__strncpy_sse2+185>
>   0x00007f6239f13ed1 <+513>:	repz retq 
>   0x00007f6239f13ed3 <+515>:	nopl   0x0(%rax,%rax,1)
>   0x00007f6239f13ed8 <+520>:	repz retq 
>   0x00007f6239f13eda <+522>:	nopw   0x0(%rax,%rax,1)
>   0x00007f6239f13ee0 <+528>:	lea    0x2(%rcx),%rsi
>   0x00007f6239f13ee4 <+532>:	jmpq   0x7f6239f13d48 <__strncpy_sse2+120>
>   0x00007f6239f13ee9 <+537>:	nopl   0x0(%rax)
>   0x00007f6239f13ef0 <+544>:	lea    0x3(%rcx),%rsi
>   0x00007f6239f13ef4 <+548>:	jmpq   0x7f6239f13d48 <__strncpy_sse2+120>
>   0x00007f6239f13ef9 <+553>:	nopl   0x0(%rax)
>   0x00007f6239f13f00 <+560>:	mov    %rcx,%rsi
>   0x00007f6239f13f03 <+563>:	jmpq   0x7f6239f13d48 <__strncpy_sse2+120>
>   0x00007f6239f13f08 <+568>:	repz retq 
>   0x00007f6239f13f0a <+570>:	mov    %r8,%rdx
>   0x00007f6239f13f0d <+573>:	mov    %rsi,%rcx
>   0x00007f6239f13f10 <+576>:	jmp    0x7f6239f13ea9 <__strncpy_sse2+473>
>End of assembler dump.

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Attachments on bug 1062419: 860327 | 860328 | 860329 | 860330 | 860331 | 860332 | 860333 | 860334 | 860335 | 860336 | 860337