X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=fs%2Fbinfmt_elf.c;h=9cc4f0a8aaaec1ffba2b8a5f66389f2503fab2f3;hb=c35eccb1f614954b10cba3f74b7c301993b2f42e;hp=51db1182b27e4470edbc6945574aa1158a110bea;hpb=a22a0fab32e1216df56e4b9a577dc5c922cf7524;p=powerpc.git

diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 51db1182b2..9cc4f0a8aa 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -507,7 +507,7 @@ out:
 #define INTERPRETER_ELF 2
 
 #ifndef STACK_RND_MASK
-#define STACK_RND_MASK 0x7ff		/* with 4K pages 8MB of VA */
+#define STACK_RND_MASK (0x7ff >> (PAGE_SHIFT - 12))	/* 8MB of VA */
 #endif
 
 static unsigned long randomize_stack_top(unsigned long stack_top)
@@ -1704,7 +1704,10 @@ static int elf_core_dump(long signr, struct pt_regs *regs, struct file *file)
 				DUMP_SEEK(PAGE_SIZE);
 			} else {
 				if (page == ZERO_PAGE(addr)) {
-					DUMP_SEEK(PAGE_SIZE);
+					if (!dump_seek(file, PAGE_SIZE)) {
+						page_cache_release(page);
+						goto end_coredump;
+					}
 				} else {
 					void *kaddr;
 					flush_cache_page(vma, addr,