#include <linux/init.h>
#include <linux/highuid.h>
#include <linux/smp.h>
-#include <linux/smp_lock.h>
#include <linux/compiler.h>
#include <linux/highmem.h>
#include <linux/pagemap.h>
#include <linux/syscalls.h>
#include <linux/random.h>
#include <linux/elf.h>
+#include <linux/utsname.h>
#include <asm/uaccess.h>
#include <asm/param.h>
#include <asm/page.h>
#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)
elf_prot, elf_flags);
if (BAD_ADDR(error)) {
send_sig(SIGKILL, current, 0);
+ retval = IS_ERR((void *)error) ?
+ PTR_ERR((void*)error) : -EINVAL;
goto out_free_dentry;
}
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;
}
#endif
int thread_status_size = 0;
elf_addr_t *auxv;
+#ifdef ELF_CORE_WRITE_EXTRA_NOTES
+ int extra_notes_size;
+#endif
/*
* We no longer stop all VM operations.
sz += thread_status_size;
#ifdef ELF_CORE_WRITE_EXTRA_NOTES
- sz += ELF_CORE_EXTRA_NOTES_SIZE;
+ extra_notes_size = ELF_CORE_EXTRA_NOTES_SIZE;
+ sz += extra_notes_size;
#endif
fill_elf_note_phdr(&phdr, sz, offset);
#ifdef ELF_CORE_WRITE_EXTRA_NOTES
ELF_CORE_WRITE_EXTRA_NOTES;
+ foffset += extra_notes_size;
#endif
/* write out the thread status notes section */
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,