Revert "[PATCH] binfmt_elf: randomize PIE binaries (2nd try)"

[sfrench/cifs-2.6.git] / fs / binfmt_elf.c

diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index be5869d349991d69b9f1bafdc6258bc9f5fac6a6..7cb28720f90e363a4b74b2da8b575233ff5a6da1 100644 (file)
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -854,13 +854,7 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs)
                         * default mmap base, as well as whatever program they
                         * might try to exec.  This is because the brk will
                         * follow the loader, and is not movable.  */
-                       if (current->flags & PF_RANDOMIZE)
-                               load_bias = randomize_range(0x10000,
-                                                           ELF_ET_DYN_BASE,
-                                                           0);
-                       else
-                               load_bias = ELF_ET_DYN_BASE;
-                       load_bias = ELF_PAGESTART(load_bias - vaddr);
+                       load_bias = ELF_PAGESTART(ELF_ET_DYN_BASE - vaddr);
                }
 
                error = elf_map(bprm->file, load_bias + vaddr, elf_ppnt,
@@ -1190,7 +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)
@@ -1317,7 +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
@@ -1363,7 +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;