X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Fbinfmt_elf.c;h=21ac5ee4b43f3e767b56aff2f54c6018175bc6af;hb=7fd7d101ff50af55d6d69f4705facc00c324024e;hp=dd0fdfc56d38c4753091ff44da049158048a8b6d;hpb=35e51fe82ddcd8fb7f129d6dd8491c097d388665;p=pandora-kernel.git

diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index dd0fdfc56d38..21ac5ee4b43f 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -795,7 +795,16 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs)
 			 * might try to exec.  This is because the brk will
 			 * follow the loader, and is not movable.  */
 #if defined(CONFIG_X86) || defined(CONFIG_ARM)
-			load_bias = 0;
+			/* Memory randomization might have been switched off
+			 * in runtime via sysctl.
+			 * If that is the case, retain the original non-zero
+			 * load_bias value in order to establish proper
+			 * non-randomized mappings.
+			 */
+			if (current->flags & PF_RANDOMIZE)
+				load_bias = 0;
+			else
+				load_bias = ELF_PAGESTART(ELF_ET_DYN_BASE - vaddr);
 #else
 			load_bias = ELF_PAGESTART(ELF_ET_DYN_BASE - vaddr);
 #endif