1 files changed, 19 insertions, 13 deletions

diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 79b05a1a4365..7cb28720f90e 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -47,10 +47,6 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs);
 static int load_elf_library(struct file *);
 static unsigned long elf_map (struct file *, unsigned long, struct elf_phdr *, int, int);
 
-#ifndef elf_addr_t
-#define elf_addr_t unsigned long
-#endif
-
 /*
  * If we don't support core dumping, then supply a NULL so we
  * don't even try.
@@ -243,8 +239,9 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr *exec,
         if (interp_aout) {
                 argv = sp + 2;
                 envp = argv + argc + 1;
-                __put_user((elf_addr_t)(unsigned long)argv, sp++);
-                __put_user((elf_addr_t)(unsigned long)envp, sp++);
+                if (__put_user((elf_addr_t)(unsigned long)argv, sp++) ||
+                    __put_user((elf_addr_t)(unsigned long)envp, sp++))
+                        return -EFAULT;
         } else {
                 argv = sp;
                 envp = argv + argc + 1;
@@ -254,7 +251,8 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr *exec,
         p = current->mm->arg_end = current->mm->arg_start;
         while (argc-- > 0) {
                 size_t len;
-                __put_user((elf_addr_t)p, argv++);
+                if (__put_user((elf_addr_t)p, argv++))
+                        return -EFAULT;
                 len = strnlen_user((void __user *)p, PAGE_SIZE*MAX_ARG_PAGES);
                 if (!len || len > PAGE_SIZE*MAX_ARG_PAGES)
                         return 0;
@@ -265,7 +263,8 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr *exec,
         current->mm->arg_end = current->mm->env_start = p;
         while (envc-- > 0) {
                 size_t len;
-                __put_user((elf_addr_t)p, envp++);
+                if (__put_user((elf_addr_t)p, envp++))
+                        return -EFAULT;
                 len = strnlen_user((void __user *)p, PAGE_SIZE*MAX_ARG_PAGES);
                 if (!len || len > PAGE_SIZE*MAX_ARG_PAGES)
                         return 0;
@@ -545,7 +544,7 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs)
         unsigned long reloc_func_desc = 0;
         char passed_fileno[6];
         struct files_struct *files;
-        int have_pt_gnu_stack, executable_stack = EXSTACK_DEFAULT;
+        int executable_stack = EXSTACK_DEFAULT;
         unsigned long def_flags = 0;
         struct {
                 struct elfhdr elf_ex;
@@ -708,7 +707,6 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs)
                                 executable_stack = EXSTACK_DISABLE_X;
                         break;
                 }
-        have_pt_gnu_stack = (i < loc->elf_ex.e_phnum);
 
         /* Some simple consistency checks for the interpreter */
         if (elf_interpreter) {
@@ -1186,7 +1184,7 @@ static int maydump(struct vm_area_struct *vma)
 
         /* Dump shared memory only if mapped from an anonymous file. */
         if (vma->vm_flags & VM_SHARED)
-                return vma->vm_file->f_dentry->d_inode->i_nlink == 0;
+                return vma->vm_file->f_path.dentry->d_inode->i_nlink == 0;
 
         /* If it hasn't been written to, don't write it out */
         if (!vma->anon_vma)
@@ -1313,7 +1311,7 @@ static void fill_prstatus(struct elf_prstatus *prstatus,
         prstatus->pr_pid = p->pid;
         prstatus->pr_ppid = p->parent->pid;
         prstatus->pr_pgrp = process_group(p);
-        prstatus->pr_sid = p->signal->session;
+        prstatus->pr_sid = process_session(p);
         if (thread_group_leader(p)) {
                 /*
                  * This is the record for the group leader.  Add in the
@@ -1359,7 +1357,7 @@ static int fill_psinfo(struct elf_prpsinfo *psinfo, struct task_struct *p,
         psinfo->pr_pid = p->pid;
         psinfo->pr_ppid = p->parent->pid;
         psinfo->pr_pgrp = process_group(p);
-        psinfo->pr_sid = p->signal->session;
+        psinfo->pr_sid = process_session(p);
 
         i = p->state ? ffz(~p->state) + 1 : 0;
         psinfo->pr_state = i;
@@ -1582,6 +1580,10 @@ static int elf_core_dump(long signr, struct pt_regs *regs, struct file *file)
                 
                 sz += thread_status_size;
 
+#ifdef ELF_CORE_WRITE_EXTRA_NOTES
+                sz += ELF_CORE_EXTRA_NOTES_SIZE;
+#endif
+
                 fill_elf_note_phdr(&phdr, sz, offset);
                 offset += sz;
                 DUMP_WRITE(&phdr, sizeof(phdr));
@@ -1622,6 +1624,10 @@ static int elf_core_dump(long signr, struct pt_regs *regs, struct file *file)
                 if (!writenote(notes + i, file, &foffset))
                         goto end_coredump;
 
+#ifdef ELF_CORE_WRITE_EXTRA_NOTES
+        ELF_CORE_WRITE_EXTRA_NOTES;
+#endif
+
         /* write out the thread status notes section */
         list_for_each(t, &thread_list) {
                 struct elf_thread_status *tmp =