Hi Bernhard, 2007/05/31 17:18:42 +0200, Bernhard Walle <bwalle at suse.de> wrote: >* Ken'ichi Ohmichi <oomichi at mxs.nes.nec.co.jp> [2007-05-31 04:26]: >> 2007/05/18 12:47:15 +0200, Bernhard Walle <bwalle at suse.de> wrote: >> >I have a core dump with following program headers on IA64: >> > >> > LOAD 0x0000000000001f4c 0xa000000100000000 0x0000000004000000 >> > 0x000000000055c4a0 0x000000000055c4a0 RWE 0 >> >... >> > LOAD 0x00000000044fc3ec 0xe000000004000000 0x0000000004000000 >> > 0x0000000000c92000 0x0000000000c92000 RWE 0 >> > >> >The interesting thing is the overlap in the physical address space. >> >write_elf_pages() assumes that there's no overlap because it looks only >> >for the file offset according to the physical start address and silently >> >assumes that the length matches. >> >> Thank you for the patch. >> I'm worry that the overlapping spaces may have the same p_filesz. >> I think it is certain to check it by p_offset, and created the >> attached patch. Please let me know your opinion. >> >> >> BTW, I don't know the reason why your system's /proc/vmcore has the >> overlapping physical address. If you know it, please let me know. > >thanks for the patch. It looks more safe than my attempt to fix it. >I tested your patch on the machine on which I originally had my >problem. It worked without any problems. > >So I vote for applying the patch to your code base. :-) Thank you for the test ! I will merge it. Thanks Ken'ichi Ohmichi
