diff options
Diffstat (limited to 'fs/binfmt_elf.c')
| -rw-r--r-- | fs/binfmt_elf.c | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 672a3b90bc5..6eb48e1446e 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -515,7 +515,8 @@ static unsigned long randomize_stack_top(unsigned long stack_top) { unsigned int random_variable = 0; - if (current->flags & PF_RANDOMIZE) { + if ((current->flags & PF_RANDOMIZE) && + !(current->personality & ADDR_NO_RANDOMIZE)) { random_variable = get_random_int() & STACK_RND_MASK; random_variable <<= PAGE_SHIFT; } @@ -1037,10 +1038,8 @@ out_free_interp: out_free_file: sys_close(elf_exec_fileno); out_free_fh: - if (files) { - put_files_struct(current->files); - current->files = files; - } + if (files) + reset_files_struct(current, files); out_free_ph: kfree(elf_phdata); goto out; @@ -1262,7 +1261,7 @@ static void fill_elf_header(struct elfhdr *elf, int segs) return; } -static void fill_elf_note_phdr(struct elf_phdr *phdr, int sz, off_t offset) +static void fill_elf_note_phdr(struct elf_phdr *phdr, int sz, loff_t offset) { phdr->p_type = PT_NOTE; phdr->p_offset = offset; @@ -1428,7 +1427,7 @@ static int elf_core_dump(long signr, struct pt_regs *regs, struct file *file) int i; struct vm_area_struct *vma; struct elfhdr *elf = NULL; - off_t offset = 0, dataoff; + loff_t offset = 0, dataoff; unsigned long limit = current->signal->rlim[RLIMIT_CORE].rlim_cur; int numnote; struct memelfnote *notes = NULL; @@ -1480,20 +1479,19 @@ static int elf_core_dump(long signr, struct pt_regs *regs, struct file *file) if (signr) { struct elf_thread_status *tmp; - read_lock(&tasklist_lock); + rcu_read_lock(); do_each_thread(g,p) if (current->mm == p->mm && current != p) { tmp = kzalloc(sizeof(*tmp), GFP_ATOMIC); if (!tmp) { - read_unlock(&tasklist_lock); + rcu_read_unlock(); goto cleanup; } - INIT_LIST_HEAD(&tmp->list); tmp->thread = p; list_add(&tmp->list, &thread_list); } while_each_thread(g,p); - read_unlock(&tasklist_lock); + rcu_read_unlock(); list_for_each(t, &thread_list) { struct elf_thread_status *tmp; int sz; @@ -1661,11 +1659,11 @@ static int elf_core_dump(long signr, struct pt_regs *regs, struct file *file) ELF_CORE_WRITE_EXTRA_DATA; #endif - if ((off_t)file->f_pos != offset) { + if (file->f_pos != offset) { /* Sanity check */ printk(KERN_WARNING - "elf_core_dump: file->f_pos (%ld) != offset (%ld)\n", - (off_t)file->f_pos, offset); + "elf_core_dump: file->f_pos (%Ld) != offset (%Ld)\n", + file->f_pos, offset); } end_coredump: |