[Kst] [Bug 208333] Kst kills itself with a SIGABRT in the meminfo() function

Michael Vincent bug.zilla.vynce at neverbox.com
Thu Sep 24 17:43:33 CEST 2009


Michael Vincent <bug.zilla.vynce at neverbox.com> changed:

           What    |Removed                     |Added
                 CC|                            |bug.zilla.vynce at neverbox.co
                   |                            |m

--- Comment #1 from Michael Vincent <bug zilla vynce neverbox com>  2009-09-24 17:43:30 ---
I believe that the reason it failed is because destlen in __strcpy_chk() is
much bigger than the size of dest (16 bytes):

__strcpy_chk (dest=0xbfffe248 "PageTables:     ", src=0x60a808 "PageTables",

I don't know if an incorrect value was passed-in by strcpy():

__builtin___strcpy_chk (__dest, __src, __bos (__dest))

or if destlen underflowed and wrapped around, since it is a size_t and
__strcpy_chk() decrements it.

I've been running Kst overnight now without any problems, so this problem
appears to be intermittent and may be dependent on the specific machine,
kernel, or glibc and not really a kst-specific bug.

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