Attachment 1372685 Details for Bug 1529203 – File: backtrace

File: backtrace

backtrace (text/plain), 6.39 KB, created by Shatadru Bandyopadhyay on 2017-12-27 05:04:08 UTC

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Creator: Shatadru Bandyopadhyay

Created: 2017-12-27 05:04:08 UTC

Size: 6.39 KB

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>[New LWP 11035]
>Core was generated by `lshw'.
>Program terminated with signal SIGSEGV, Segmentation fault.
>#0  _IO_feof (fp=0x0) at feof.c:35
>35	  if (!_IO_need_lock (fp))
>
>Thread 1 (LWP 11035):
>#0  _IO_feof (fp=0x0) at feof.c:35
>No locals.
>#1  0x000000000045c39f in scan_usb (n=...) at usb.cc:380
>        device = {This = 0x24a8450}
>        usbdevices = 0x0
>        defined = false
>        bus = 0
>        lev = 0
>        prnt = 0
>        port = 4
>        cnt = 0
>        devnum = 4026532023
>        mxch = 0
>        speed = 0
>        ver = "\240\006k\356\375\177\000\000\244\205E"
>        cls = 0
>        sub = 0
>        prot = 0
>        mxps = 0
>        numcfgs = 0
>        vendor = 0
>        prodid = 0
>        rev = "\000\000\000\000\000\000\000\000\000\000"
>        numifs = 4294967295
>        cfgnum = 4294967295
>        atr = 0
>        mxpwr = "\000\000\260fC\000\000\000\000\000\300"
>        ifnum = 0
>        alt = 0
>        numeps = 0
>        driver = "\f\000\000\000\000\000\000\000\220\006k\356\375\177\000\000\260\006k\356\375\177\000\000P\ak\356\375\177\000\000\003\000\000\000\000\000\000\000\020\bk\356\375\177\000\000\360\ak\356\375\177\000\000\227kE\000\000\000\000\000\001\000\000\000\000\000\000\000\003\000\000\000\000\000\000\000\240"
>        filenames = std::vector of length 0, capacity 8
>#2  0x00000000004173a4 in scan_system (system=...) at main.cc:118
>        computer = {This = 0x249ca90}
>        hostname = "dhcp193-53.pnq.redhat.com\000k\356\375\177\000\000 \tk\356\375\177\000\000\320k@\000\000\000\000\000\200\bk\356\375\177", '\000' <repeats 11 times>, "omputer\000\000\000\000\000\000\000"
>#3  0x000000000040489c in main (argc=<optimized out>, argv=<optimized out>) at lshw.cc:233
>        computer = {This = 0x249c790}
>From                To                  Syms Read   Shared Object Library
>0x00007f8912b92830  0x00007f8912ba1d92  Yes         /lib64/libresolv.so.2
>0x00007f8912895100  0x00007f89129457f8  Yes         /lib64/libstdc++.so.6
>0x00007f89125f4ac0  0x00007f8912604de5  Yes         /lib64/libgcc_s.so.1
>0x00007f891222f770  0x00007f891239c0fc  Yes         /lib64/libc.so.6
>0x00007f8911ec1880  0x00007f8911f6a985  Yes         /lib64/libm.so.6
>0x00007f8912da9d50  0x00007f8912dc8e20  Yes         /lib64/ld-linux-x86-64.so.2
>$1 = 0x0
>rax            0x7ffdee6b04c0	140728603444416
>rbx            0x7ffdee6b05d0	140728603444688
>rcx            0x21	33
>rdx            0x2573bf0	39271408
>rsi            0x2489010	38309904
>rdi            0x0	0
>rbp            0x7ffdee6b0790	0x7ffdee6b0790
>rsp            0x7ffdee6b0318	0x7ffdee6b0318
>r8             0x6	6
>r9             0x1	1
>r10            0x0	0
>r11            0x246	582
>r12            0x7ffdee6b0590	140728603444624
>r13            0x24a4f50	38424400
>r14            0x0	0
>r15            0x0	0
>rip            0x7f891228e910	0x7f891228e910 <_IO_feof>
>eflags         0x10206	[ PF 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 _IO_feof:
>=> 0x00007f891228e910 <+0>:	testb  $0x80,0x74(%rdi)
>   0x00007f891228e914 <+4>:	mov    %rdi,%rdx
>   0x00007f891228e917 <+7>:	mov    (%rdi),%eax
>   0x00007f891228e919 <+9>:	je     0x7f891228e925 <_IO_feof+21>
>   0x00007f891228e91b <+11>:	mov    %eax,%ecx
>   0x00007f891228e91d <+13>:	and    $0x8000,%ecx
>   0x00007f891228e923 <+19>:	je     0x7f891228e930 <_IO_feof+32>
>   0x00007f891228e925 <+21>:	shr    $0x4,%eax
>   0x00007f891228e928 <+24>:	and    $0x1,%eax
>   0x00007f891228e92b <+27>:	mov    %eax,%edx
>   0x00007f891228e92d <+29>:	mov    %edx,%eax
>   0x00007f891228e92f <+31>:	retq   
>   0x00007f891228e930 <+32>:	mov    0x88(%rdi),%r8
>   0x00007f891228e937 <+39>:	mov    %fs:0x10,%r9
>   0x00007f891228e940 <+48>:	cmp    0x8(%r8),%r9
>   0x00007f891228e944 <+52>:	je     0x7f891228e9e0 <_IO_feof+208>
>   0x00007f891228e94a <+58>:	mov    $0x1,%esi
>   0x00007f891228e94f <+63>:	mov    %ecx,%eax
>   0x00007f891228e951 <+65>:	cmpl   $0x0,0x362ee8(%rip)        # 0x7f89125f1840 <__libc_multiple_threads>
>   0x00007f891228e958 <+72>:	je     0x7f891228e963 <_IO_feof+83>
>   0x00007f891228e95a <+74>:	lock cmpxchg %esi,(%r8)
>   0x00007f891228e95f <+79>:	jne    0x7f891228e969 <_IO_feof+89>
>   0x00007f891228e961 <+81>:	jmp    0x7f891228e97f <_IO_feof+111>
>   0x00007f891228e963 <+83>:	cmpxchg %esi,(%r8)
>   0x00007f891228e967 <+87>:	je     0x7f891228e97f <_IO_feof+111>
>   0x00007f891228e969 <+89>:	lea    (%r8),%rdi
>   0x00007f891228e96c <+92>:	sub    $0x80,%rsp
>   0x00007f891228e973 <+99>:	callq  0x7f8912335420 <__lll_lock_wait_private>
>   0x00007f891228e978 <+104>:	add    $0x80,%rsp
>   0x00007f891228e97f <+111>:	mov    (%rdx),%eax
>   0x00007f891228e981 <+113>:	mov    0x88(%rdx),%r8
>   0x00007f891228e988 <+120>:	mov    %eax,%edx
>   0x00007f891228e98a <+122>:	mov    %r9,0x8(%r8)
>   0x00007f891228e98e <+126>:	mov    0x4(%r8),%ecx
>   0x00007f891228e992 <+130>:	shr    $0x4,%edx
>   0x00007f891228e995 <+133>:	and    $0x1,%edx
>   0x00007f891228e998 <+136>:	test   $0x80,%ah
>   0x00007f891228e99b <+139>:	jne    0x7f891228e9ee <_IO_feof+222>
>   0x00007f891228e99d <+141>:	test   %ecx,%ecx
>   0x00007f891228e99f <+143>:	jne    0x7f891228e92d <_IO_feof+29>
>   0x00007f891228e9a1 <+145>:	movq   $0x0,0x8(%r8)
>   0x00007f891228e9a9 <+153>:	cmpl   $0x0,0x362e90(%rip)        # 0x7f89125f1840 <__libc_multiple_threads>
>   0x00007f891228e9b0 <+160>:	je     0x7f891228e9ba <_IO_feof+170>
>   0x00007f891228e9b2 <+162>:	lock decl (%r8)
>   0x00007f891228e9b6 <+166>:	jne    0x7f891228e9bf <_IO_feof+175>
>   0x00007f891228e9b8 <+168>:	jmp    0x7f891228e9d5 <_IO_feof+197>
>   0x00007f891228e9ba <+170>:	decl   (%r8)
>   0x00007f891228e9bd <+173>:	je     0x7f891228e9d5 <_IO_feof+197>
>   0x00007f891228e9bf <+175>:	lea    (%r8),%rdi
>   0x00007f891228e9c2 <+178>:	sub    $0x80,%rsp
>   0x00007f891228e9c9 <+185>:	callq  0x7f8912335450 <__lll_unlock_wake_private>
>   0x00007f891228e9ce <+190>:	add    $0x80,%rsp
>   0x00007f891228e9d5 <+197>:	mov    %edx,%eax
>   0x00007f891228e9d7 <+199>:	retq   
>   0x00007f891228e9d8 <+200>:	nopl   0x0(%rax,%rax,1)
>   0x00007f891228e9e0 <+208>:	shr    $0x4,%eax
>   0x00007f891228e9e3 <+211>:	mov    0x4(%r8),%ecx
>   0x00007f891228e9e7 <+215>:	and    $0x1,%eax
>   0x00007f891228e9ea <+218>:	mov    %eax,%edx
>   0x00007f891228e9ec <+220>:	jmp    0x7f891228e99d <_IO_feof+141>
>   0x00007f891228e9ee <+222>:	add    $0x1,%ecx
>   0x00007f891228e9f1 <+225>:	mov    %ecx,0x4(%r8)
>   0x00007f891228e9f5 <+229>:	jmpq   0x7f891228e92d <_IO_feof+29>
>End of assembler dump.
>== EXPLOITABLE ==

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Attachments on bug 1529203: 1372685 | 1372686 | 1372687 | 1372688 | 1372689 | 1372690 | 1372691 | 1372692 | 1372693 | 1372694 | 1372695 | 1372696 | 1372697