On 07/04/2007 01:35 PM, Jiri Kosina wrote: > On Wed, 4 Jul 2007, Jakub Jelinek wrote: > >> The above highlighted changes are the cause of random segfaults of PIE >> binaries. See >> https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=246623 > > Thanks a lot for pointing this out. Andrew, could this be folded into > pie-randomization.patch please? > > > From: Jiri Kosina <[EMAIL PROTECTED]> > > pie randomization: fix BAD_ADDR macro > > pie-randomization.patch makes the load_addr in load_elf_interp() the load > bias of ld.so (difference between the actual load base address and first > PT_LOAD segment's p_vaddr). If the difference equals (on x86) to > 0xfffff000 (which is valid [1]), SIGSEGV is incorrectly sent. > > This patch changes the BAD_ADDR so that it catches the mappings to the > error-area properly.
But what about this patch that made the opposite change: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=ce51059be56f63762089412b3ece348067afda85 There was a reason for that change... - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
