Launchpad has imported 1 comments from the remote bug at https://bugs.freedesktop.org/show_bug.cgi?id=45205.
If you reply to an imported comment from within Launchpad, your comment will be sent to the remote bug automatically. Read more about Launchpad's inter-bugtracker facilities at https://help.launchpad.net/InterBugTracking. ------------------------------------------------------------------------ On 2012-01-25T06:55:04+00:00 Bryce Harrington wrote: Forwarding this bug report from Launchpad reporter Emanuel Bronshtein: https://bugs.launchpad.net/ubuntu/+source/intel-gpu-tools/+bug/783716 (This is kind of a corner case and perhaps not worth fixing, but someone apparently ran into it, so forwarding it here for consideration.) [Problem] /usr/bin/intel_bios_reader crash when get the intel_bios_reader binary as parameter . [test case] emanuel@emanuel-desktop:/tmp$ md5sum /usr/bin/intel_bios_reader 7277594a2b9588909844115afd36e5ee /usr/bin/intel_bios_reader emanuel@emanuel-desktop:/tmp$ intel_bios_reader /usr/bin/intel_bios_reader VBT vers: 295.45 Segmentation fault under GDB : Program received signal SIGSEGV, Segmentation fault. *__GI_strncpy (s1=0xbffff3ea "\377\277)\241\004\b$#*", s2=0xd8540589 <Address 0xd8540589 out of bounds>, n=16) at strncpy.c:42 42 strncpy.c: No such file or directory. in strncpy.c the call to strncpy : strncpy(signature, (char *)bdb->signature, 16); after compiling from source code and running under GDB : (gdb) p bdb->signature Cannot access memory at address 0xd8540589 Still affects current git head. (gdb) run ./tools/intel_bios_reader Starting program: /home/bryce/src/intel-gpu-tools-1.1/tools/intel_bios_reader ./tools/intel_bios_reader VBT vers: 295.45 Program received signal SIGSEGV, Segmentation fault. 0x001ab21c in strncpy () from /lib/i386-linux-gnu/libc.so.6 (gdb) bt full #0 0x001ab21c in strncpy () from /lib/i386-linux-gnu/libc.so.6 No symbol table info available. #1 0x0804ab16 in main (argc=2, argv=0xbffff274) at intel_bios_reader.c:903 fd = 7 vbt = 0xb7ff6f84 vbt_off = 16260 bdb_off = 1981846470 i = 16260 filename = 0xbffff40d "./tools/intel_bios_reader" finfo = {st_dev = 2049, __pad1 = 0, st_ino = 5382091, st_mode = 33277, st_nlink = 1, st_uid = 1000, st_gid = 1000, st_rdev = 0, __pad2 = 0, st_size = 41780, st_blksize = 4096, st_blocks = 88, st_atim = {tv_sec = 1327433593, tv_nsec = 136981917}, st_mtim = { tv_sec = 1327426685, tv_nsec = 802744723}, st_ctim = {tv_sec = 1327426685, tv_nsec = 802744723}, __unused4 = 0, __unused5 = 0} block = 0x0 signature = "\000$\303*\000\364\277*\000U<\026\000i\254\004\b" devid_string = 0x0 The code has a check to look for a VBT signature; presumably the intel_bios_reader executable has this signature included in it? Reply at: https://bugs.launchpad.net/xserver-xorg-video- intel/+bug/783716/comments/2 ** Changed in: xserver-xorg-video-intel Status: Unknown => Confirmed ** Changed in: xserver-xorg-video-intel Importance: Unknown => Low -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/783716 Title: intel_bios_reader Segmentation fault To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/783716/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
