X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=fs%2Fbinfmt_elf.c;h=d8fc0605b9d23039b558cc4d1327a40c246caa09;hb=38cdbd39ddf39c1284d54c4b7fe04db80ce97d04;hp=3892c1a2324143498f3e62fc171a0f5cdc6c44c9;hpb=5637a2a3e99375a04189ee0896aae985582a2290;p=firefly-linux-kernel-4.4.55.git

diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 3892c1a23241..d8fc0605b9d2 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -738,10 +738,8 @@ static int load_elf_binary(struct linux_binprm *bprm)
 	   change some of these later */
 	retval = setup_arg_pages(bprm, randomize_stack_top(STACK_TOP),
 				 executable_stack);
-	if (retval < 0) {
-		send_sig(SIGKILL, current, 0);
+	if (retval < 0)
 		goto out_free_dentry;
-	}
 	
 	current->mm->start_stack = bprm->p;
 
@@ -763,10 +761,8 @@ static int load_elf_binary(struct linux_binprm *bprm)
 			   and clear the area.  */
 			retval = set_brk(elf_bss + load_bias,
 					 elf_brk + load_bias);
-			if (retval) {
-				send_sig(SIGKILL, current, 0);
+			if (retval)
 				goto out_free_dentry;
-			}
 			nbyte = ELF_PAGEOFFSET(elf_bss);
 			if (nbyte) {
 				nbyte = ELF_MIN_ALIGN - nbyte;
@@ -820,7 +816,6 @@ static int load_elf_binary(struct linux_binprm *bprm)
 		error = elf_map(bprm->file, load_bias + vaddr, elf_ppnt,
 				elf_prot, elf_flags, 0);
 		if (BAD_ADDR(error)) {
-			send_sig(SIGKILL, current, 0);
 			retval = IS_ERR((void *)error) ?
 				PTR_ERR((void*)error) : -EINVAL;
 			goto out_free_dentry;
@@ -851,7 +846,6 @@ static int load_elf_binary(struct linux_binprm *bprm)
 		    elf_ppnt->p_memsz > TASK_SIZE ||
 		    TASK_SIZE - elf_ppnt->p_memsz < k) {
 			/* set_brk can never work. Avoid overflows. */
-			send_sig(SIGKILL, current, 0);
 			retval = -EINVAL;
 			goto out_free_dentry;
 		}
@@ -883,12 +877,9 @@ static int load_elf_binary(struct linux_binprm *bprm)
 	 * up getting placed where the bss needs to go.
 	 */
 	retval = set_brk(elf_bss, elf_brk);
-	if (retval) {
-		send_sig(SIGKILL, current, 0);
+	if (retval)
 		goto out_free_dentry;
-	}
 	if (likely(elf_bss != elf_brk) && unlikely(padzero(elf_bss))) {
-		send_sig(SIGSEGV, current, 0);
 		retval = -EFAULT; /* Nobody gets to see this, but.. */
 		goto out_free_dentry;
 	}
@@ -909,7 +900,6 @@ static int load_elf_binary(struct linux_binprm *bprm)
 			elf_entry += loc->interp_elf_ex.e_entry;
 		}
 		if (BAD_ADDR(elf_entry)) {
-			force_sig(SIGSEGV, current);
 			retval = IS_ERR((void *)elf_entry) ?
 					(int)elf_entry : -EINVAL;
 			goto out_free_dentry;
@@ -922,7 +912,6 @@ static int load_elf_binary(struct linux_binprm *bprm)
 	} else {
 		elf_entry = loc->elf_ex.e_entry;
 		if (BAD_ADDR(elf_entry)) {
-			force_sig(SIGSEGV, current);
 			retval = -EINVAL;
 			goto out_free_dentry;
 		}
@@ -934,19 +923,15 @@ static int load_elf_binary(struct linux_binprm *bprm)
 
 #ifdef ARCH_HAS_SETUP_ADDITIONAL_PAGES
 	retval = arch_setup_additional_pages(bprm, !!elf_interpreter);
-	if (retval < 0) {
-		send_sig(SIGKILL, current, 0);
+	if (retval < 0)
 		goto out;
-	}
 #endif /* ARCH_HAS_SETUP_ADDITIONAL_PAGES */
 
 	install_exec_creds(bprm);
 	retval = create_elf_tables(bprm, &loc->elf_ex,
 			  load_addr, interp_load_addr);
-	if (retval < 0) {
-		send_sig(SIGKILL, current, 0);
+	if (retval < 0)
 		goto out;
-	}
 	/* N.B. passed_fileno might not be initialized? */
 	current->mm->end_code = end_code;
 	current->mm->start_code = start_code;