* This should be fixed.
*/
-#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/fs.h>
#include <linux/resource.h>
#include <linux/times.h>
#include <linux/utsname.h>
-#include <linux/timex.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/sem.h>
#include <linux/ptrace.h>
#include <linux/highuid.h>
#include <linux/vmalloc.h>
+#include <linux/fsnotify.h>
+#include <linux/vs_cvirt.h>
#include <asm/mman.h>
#include <asm/types.h>
#include <asm/uaccess.h>
#include <asm/semaphore.h>
-#include <asm/ipc.h>
#include <asm/atomic.h>
#include <asm/ldt.h>
#include <net/sock.h>
#include <asm/ia32.h>
-#define A(__x) ((unsigned long)(__x))
#define AA(__x) ((unsigned long)(__x))
-#define ROUND_UP(x,a) ((__typeof__(x))(((unsigned long)(x) + ((a) - 1)) & ~((a) - 1)))
-#define NAME_OFFSET(de) ((int) ((de)->d_name - (char *) (de)))
-int cp_compat_stat(struct kstat *kbuf, struct compat_stat *ubuf)
+int cp_compat_stat(struct kstat *kbuf, struct compat_stat __user *ubuf)
{
+ compat_ino_t ino;
+
typeof(ubuf->st_uid) uid = 0;
typeof(ubuf->st_gid) gid = 0;
SET_UID(uid, kbuf->uid);
return -EOVERFLOW;
if (kbuf->size >= 0x7fffffff)
return -EOVERFLOW;
- if (verify_area(VERIFY_WRITE, ubuf, sizeof(struct compat_stat)) ||
+ ino = kbuf->ino;
+ if (sizeof(ino) < sizeof(kbuf->ino) && ino != kbuf->ino)
+ return -EOVERFLOW;
+ if (!access_ok(VERIFY_WRITE, ubuf, sizeof(struct compat_stat)) ||
__put_user (old_encode_dev(kbuf->dev), &ubuf->st_dev) ||
- __put_user (kbuf->ino, &ubuf->st_ino) ||
+ __put_user (ino, &ubuf->st_ino) ||
__put_user (kbuf->mode, &ubuf->st_mode) ||
__put_user (kbuf->nlink, &ubuf->st_nlink) ||
__put_user (uid, &ubuf->st_uid) ||
}
asmlinkage long
-sys32_truncate64(char * filename, unsigned long offset_low, unsigned long offset_high)
+sys32_truncate64(char __user * filename, unsigned long offset_low, unsigned long offset_high)
{
return sys_truncate(filename, ((loff_t) offset_high << 32) | offset_low);
}
support for 64bit inode numbers. */
static int
-cp_stat64(struct stat64 *ubuf, struct kstat *stat)
+cp_stat64(struct stat64 __user *ubuf, struct kstat *stat)
{
typeof(ubuf->st_uid) uid = 0;
typeof(ubuf->st_gid) gid = 0;
SET_UID(uid, stat->uid);
SET_GID(gid, stat->gid);
- if (verify_area(VERIFY_WRITE, ubuf, sizeof(struct stat64)) ||
+ if (!access_ok(VERIFY_WRITE, ubuf, sizeof(struct stat64)) ||
__put_user(huge_encode_dev(stat->dev), &ubuf->st_dev) ||
__put_user (stat->ino, &ubuf->__st_ino) ||
__put_user (stat->ino, &ubuf->st_ino) ||
}
asmlinkage long
-sys32_stat64(char * filename, struct stat64 *statbuf)
+sys32_stat64(char __user * filename, struct stat64 __user *statbuf)
{
struct kstat stat;
int ret = vfs_stat(filename, &stat);
}
asmlinkage long
-sys32_lstat64(char * filename, struct stat64 *statbuf)
+sys32_lstat64(char __user * filename, struct stat64 __user *statbuf)
{
struct kstat stat;
int ret = vfs_lstat(filename, &stat);
}
asmlinkage long
-sys32_fstat64(unsigned int fd, struct stat64 *statbuf)
+sys32_fstat64(unsigned int fd, struct stat64 __user *statbuf)
{
struct kstat stat;
int ret = vfs_fstat(fd, &stat);
return ret;
}
+asmlinkage long
+sys32_fstatat(unsigned int dfd, char __user *filename,
+ struct stat64 __user* statbuf, int flag)
+{
+ struct kstat stat;
+ int error = -EINVAL;
+
+ if ((flag & ~AT_SYMLINK_NOFOLLOW) != 0)
+ goto out;
+
+ if (flag & AT_SYMLINK_NOFOLLOW)
+ error = vfs_lstat_fd(dfd, filename, &stat);
+ else
+ error = vfs_stat_fd(dfd, filename, &stat);
+
+ if (!error)
+ error = cp_stat64(statbuf, &stat);
+
+out:
+ return error;
+}
+
/*
* Linux/i386 didn't use to be able to handle more than
* 4 system call parameters, so these system calls used a memory
};
asmlinkage long
-sys32_mmap(struct mmap_arg_struct *arg)
+sys32_mmap(struct mmap_arg_struct __user *arg)
{
struct mmap_arg_struct a;
struct file *file = NULL;
return -EBADF;
}
- if (a.prot & PROT_READ)
- a.prot |= vm_force_exec32;
-
mm = current->mm;
down_write(&mm->mmap_sem);
retval = do_mmap_pgoff(file, a.addr, a.len, a.prot, a.flags, a.offset>>PAGE_SHIFT);
asmlinkage long
sys32_mprotect(unsigned long start, size_t len, unsigned long prot)
{
- if (prot & PROT_READ)
- prot |= vm_force_exec32;
return sys_mprotect(start,len,prot);
}
asmlinkage long
-sys32_pipe(int *fd)
+sys32_pipe(int __user *fd)
{
int retval;
int fds[2];
}
asmlinkage long
-sys32_rt_sigaction(int sig, struct sigaction32 *act,
- struct sigaction32 *oact, unsigned int sigsetsize)
+sys32_rt_sigaction(int sig, struct sigaction32 __user *act,
+ struct sigaction32 __user *oact, unsigned int sigsetsize)
{
struct k_sigaction new_ka, old_ka;
int ret;
if (act) {
compat_uptr_t handler, restorer;
- if (verify_area(VERIFY_READ, act, sizeof(*act)) ||
+ if (!access_ok(VERIFY_READ, act, sizeof(*act)) ||
__get_user(handler, &act->sa_handler) ||
__get_user(new_ka.sa.sa_flags, &act->sa_flags) ||
__get_user(restorer, &act->sa_restorer)||
set32.sig[1] = (old_ka.sa.sa_mask.sig[0] >> 32);
set32.sig[0] = old_ka.sa.sa_mask.sig[0];
}
- if (verify_area(VERIFY_WRITE, oact, sizeof(*oact)) ||
- __put_user((long)old_ka.sa.sa_handler, &oact->sa_handler) ||
- __put_user((long)old_ka.sa.sa_restorer, &oact->sa_restorer) ||
+ if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) ||
+ __put_user(ptr_to_compat(old_ka.sa.sa_handler), &oact->sa_handler) ||
+ __put_user(ptr_to_compat(old_ka.sa.sa_restorer), &oact->sa_restorer) ||
__put_user(old_ka.sa.sa_flags, &oact->sa_flags) ||
__copy_to_user(&oact->sa_mask, &set32, sizeof(compat_sigset_t)))
return -EFAULT;
}
asmlinkage long
-sys32_sigaction (int sig, struct old_sigaction32 *act, struct old_sigaction32 *oact)
+sys32_sigaction (int sig, struct old_sigaction32 __user *act, struct old_sigaction32 __user *oact)
{
struct k_sigaction new_ka, old_ka;
int ret;
compat_old_sigset_t mask;
compat_uptr_t handler, restorer;
- if (verify_area(VERIFY_READ, act, sizeof(*act)) ||
+ if (!access_ok(VERIFY_READ, act, sizeof(*act)) ||
__get_user(handler, &act->sa_handler) ||
__get_user(new_ka.sa.sa_flags, &act->sa_flags) ||
__get_user(restorer, &act->sa_restorer) ||
ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
if (!ret && oact) {
- if (verify_area(VERIFY_WRITE, oact, sizeof(*oact)) ||
- __put_user((long)old_ka.sa.sa_handler, &oact->sa_handler) ||
- __put_user((long)old_ka.sa.sa_restorer, &oact->sa_restorer) ||
+ if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) ||
+ __put_user(ptr_to_compat(old_ka.sa.sa_handler), &oact->sa_handler) ||
+ __put_user(ptr_to_compat(old_ka.sa.sa_restorer), &oact->sa_restorer) ||
__put_user(old_ka.sa.sa_flags, &oact->sa_flags) ||
__put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask))
return -EFAULT;
}
static inline long
-get_tv32(struct timeval *o, struct compat_timeval *i)
+get_tv32(struct timeval *o, struct compat_timeval __user *i)
{
int err = -EFAULT;
if (access_ok(VERIFY_READ, i, sizeof(*i))) {
}
static inline long
-put_tv32(struct compat_timeval *o, struct timeval *i)
+put_tv32(struct compat_timeval __user *o, struct timeval *i)
{
int err = -EFAULT;
if (access_ok(VERIFY_WRITE, o, sizeof(*o))) {
return err;
}
-extern int do_setitimer(int which, struct itimerval *, struct itimerval *);
+extern unsigned int alarm_setitimer(unsigned int seconds);
asmlinkage long
sys32_alarm(unsigned int seconds)
{
- struct itimerval it_new, it_old;
- unsigned int oldalarm;
-
- it_new.it_interval.tv_sec = it_new.it_interval.tv_usec = 0;
- it_new.it_value.tv_sec = seconds;
- it_new.it_value.tv_usec = 0;
- do_setitimer(ITIMER_REAL, &it_new, &it_old);
- oldalarm = it_old.it_value.tv_sec;
- /* ehhh.. We can't return 0 if we have an alarm pending.. */
- /* And we'd better return too much than too little anyway */
- if (it_old.it_value.tv_usec)
- oldalarm++;
- return oldalarm;
+ return alarm_setitimer(seconds);
}
/* Translations due to time_t size differences. Which affects all
extern struct timezone sys_tz;
asmlinkage long
-sys32_gettimeofday(struct compat_timeval *tv, struct timezone *tz)
+sys32_gettimeofday(struct compat_timeval __user *tv, struct timezone __user *tz)
{
if (tv) {
struct timeval ktv;
}
asmlinkage long
-sys32_settimeofday(struct compat_timeval *tv, struct timezone *tz)
+sys32_settimeofday(struct compat_timeval __user *tv, struct timezone __user *tz)
{
struct timeval ktv;
struct timespec kts;
return do_sys_settimeofday(tv ? &kts : NULL, tz ? &ktz : NULL);
}
-struct linux32_dirent {
- u32 d_ino;
- u32 d_off;
- u16 d_reclen;
- char d_name[1];
-};
-
-struct old_linux32_dirent {
- u32 d_ino;
- u32 d_offset;
- u16 d_namlen;
- char d_name[1];
-};
-
-struct getdents32_callback {
- struct linux32_dirent * current_dir;
- struct linux32_dirent * previous;
- int count;
- int error;
-};
-
-struct readdir32_callback {
- struct old_linux32_dirent * dirent;
- int count;
-};
-
-static int
-filldir32 (void *__buf, const char *name, int namlen, loff_t offset, ino_t ino,
- unsigned int d_type)
-{
- struct linux32_dirent * dirent;
- struct getdents32_callback * buf = (struct getdents32_callback *) __buf;
- int reclen = ROUND_UP(NAME_OFFSET(dirent) + namlen + 2, 4);
-
- buf->error = -EINVAL; /* only used if we fail.. */
- if (reclen > buf->count)
- return -EINVAL;
- dirent = buf->previous;
- if (dirent)
- put_user(offset, &dirent->d_off);
- dirent = buf->current_dir;
- buf->previous = dirent;
- put_user(ino, &dirent->d_ino);
- put_user(reclen, &dirent->d_reclen);
- copy_to_user(dirent->d_name, name, namlen);
- put_user(0, dirent->d_name + namlen);
- put_user(d_type, (char *)dirent + reclen - 1);
- dirent = ((void *)dirent) + reclen;
- buf->current_dir = dirent;
- buf->count -= reclen;
- return 0;
-}
-
-asmlinkage long
-sys32_getdents (unsigned int fd, void * dirent, unsigned int count)
-{
- struct file * file;
- struct linux32_dirent * lastdirent;
- struct getdents32_callback buf;
- int error;
-
- error = -EBADF;
- file = fget(fd);
- if (!file)
- goto out;
-
- buf.current_dir = (struct linux32_dirent *) dirent;
- buf.previous = NULL;
- buf.count = count;
- buf.error = 0;
-
- error = vfs_readdir(file, filldir32, &buf);
- if (error < 0)
- goto out_putf;
- error = buf.error;
- lastdirent = buf.previous;
- if (lastdirent) {
- put_user(file->f_pos, &lastdirent->d_off);
- error = count - buf.count;
- }
-
-out_putf:
- fput(file);
-out:
- return error;
-}
-
-static int
-fillonedir32 (void * __buf, const char * name, int namlen, loff_t offset, ino_t ino, unsigned d_type)
-{
- struct readdir32_callback * buf = (struct readdir32_callback *) __buf;
- struct old_linux32_dirent * dirent;
-
- if (buf->count)
- return -EINVAL;
- buf->count++;
- dirent = buf->dirent;
- put_user(ino, &dirent->d_ino);
- put_user(offset, &dirent->d_offset);
- put_user(namlen, &dirent->d_namlen);
- copy_to_user(dirent->d_name, name, namlen);
- put_user(0, dirent->d_name + namlen);
- return 0;
-}
-
-asmlinkage long
-sys32_oldreaddir (unsigned int fd, void * dirent, unsigned int count)
-{
- int error;
- struct file * file;
- struct readdir32_callback buf;
-
- error = -EBADF;
- file = fget(fd);
- if (!file)
- goto out;
-
- buf.count = 0;
- buf.dirent = dirent;
-
- error = vfs_readdir(file, fillonedir32, &buf);
- if (error >= 0)
- error = buf.count;
- fput(file);
-out:
- return error;
-}
-
-/*
- * We can actually return ERESTARTSYS instead of EINTR, but I'd
- * like to be certain this leads to no problems. So I return
- * EINTR just for safety.
- *
- * Update: ERESTARTSYS breaks at least the xview clock binary, so
- * I'm trying ERESTARTNOHAND which restart only when you want to.
- */
-#define MAX_SELECT_SECONDS \
- ((unsigned long) (MAX_SCHEDULE_TIMEOUT / HZ)-1)
-#define ROUND_UP_TIME(x,y) (((x)+(y)-1)/(y))
-
-asmlinkage long
-sys32_select(int n, fd_set *inp, fd_set *outp, fd_set *exp, struct compat_timeval *tvp32)
-{
- fd_set_bits fds;
- char *bits;
- long timeout;
- int ret, size;
-
- timeout = MAX_SCHEDULE_TIMEOUT;
- if (tvp32) {
- time_t sec, usec;
-
- get_user(sec, &tvp32->tv_sec);
- get_user(usec, &tvp32->tv_usec);
-
- ret = -EINVAL;
- if (sec < 0 || usec < 0)
- goto out_nofds;
-
- if ((unsigned long) sec < MAX_SELECT_SECONDS) {
- timeout = ROUND_UP_TIME(usec, 1000000/HZ);
- timeout += sec * (unsigned long) HZ;
- }
- }
-
- ret = -EINVAL;
- if (n < 0)
- goto out_nofds;
-
- if (n > current->files->max_fdset)
- n = current->files->max_fdset;
-
- /*
- * We need 6 bitmaps (in/out/ex for both incoming and outgoing),
- * since we used fdset we need to allocate memory in units of
- * long-words.
- */
- ret = -ENOMEM;
- size = FDS_BYTES(n);
- bits = kmalloc(6 * size, GFP_KERNEL);
- if (!bits)
- goto out_nofds;
- fds.in = (unsigned long *) bits;
- fds.out = (unsigned long *) (bits + size);
- fds.ex = (unsigned long *) (bits + 2*size);
- fds.res_in = (unsigned long *) (bits + 3*size);
- fds.res_out = (unsigned long *) (bits + 4*size);
- fds.res_ex = (unsigned long *) (bits + 5*size);
-
- if ((ret = get_fd_set(n, inp, fds.in)) ||
- (ret = get_fd_set(n, outp, fds.out)) ||
- (ret = get_fd_set(n, exp, fds.ex)))
- goto out;
- zero_fd_set(n, fds.res_in);
- zero_fd_set(n, fds.res_out);
- zero_fd_set(n, fds.res_ex);
-
- ret = do_select(n, &fds, &timeout);
-
- if (tvp32 && !(current->personality & STICKY_TIMEOUTS)) {
- time_t sec = 0, usec = 0;
- if (timeout) {
- sec = timeout / HZ;
- usec = timeout % HZ;
- usec *= (1000000/HZ);
- }
- put_user(sec, (int *)&tvp32->tv_sec);
- put_user(usec, (int *)&tvp32->tv_usec);
- }
-
- if (ret < 0)
- goto out;
- if (!ret) {
- ret = -ERESTARTNOHAND;
- if (signal_pending(current))
- goto out;
- ret = 0;
- }
-
- set_fd_set(n, inp, fds.res_in);
- set_fd_set(n, outp, fds.res_out);
- set_fd_set(n, exp, fds.res_ex);
-
-out:
- kfree(bits);
-out_nofds:
- return ret;
-}
-
struct sel_arg_struct {
unsigned int n;
unsigned int inp;
};
asmlinkage long
-sys32_old_select(struct sel_arg_struct *arg)
+sys32_old_select(struct sel_arg_struct __user *arg)
{
struct sel_arg_struct a;
if (copy_from_user(&a, arg, sizeof(a)))
return -EFAULT;
- return sys32_select(a.n, (fd_set *)A(a.inp), (fd_set *)A(a.outp), (fd_set *)A(a.exp),
- (struct compat_timeval *)A(a.tvp));
-}
-
-static struct iovec *
-get_compat_iovec(struct compat_iovec *iov32, struct iovec *iov_buf, u32 *count, int type, int *errp)
-{
- int i;
- u32 buf, len;
- struct iovec *ivp, *iov;
- unsigned long totlen;
-
- /* Get the "struct iovec" from user memory */
-
- *errp = 0;
- if (!*count)
- return 0;
- *errp = -EINVAL;
- if (*count > UIO_MAXIOV)
- return(struct iovec *)0;
- *errp = -EFAULT;
- if(verify_area(VERIFY_READ, iov32, sizeof(struct compat_iovec)*(*count)))
- return(struct iovec *)0;
- if (*count > UIO_FASTIOV) {
- *errp = -ENOMEM;
- iov = kmalloc(*count*sizeof(struct iovec), GFP_KERNEL);
- if (!iov)
- return((struct iovec *)0);
- } else
- iov = iov_buf;
-
- ivp = iov;
- totlen = 0;
- for (i = 0; i < *count; i++) {
- *errp = __get_user(len, &iov32->iov_len) |
- __get_user(buf, &iov32->iov_base);
- if (*errp)
- goto error;
- *errp = verify_area(type, (void *)A(buf), len);
- if (*errp) {
- if (i > 0) {
- *count = i;
- break;
- }
- goto error;
- }
- /* SuS checks: */
- *errp = -EINVAL;
- if ((int)len < 0)
- goto error;
- if ((totlen += len) >= 0x7fffffff)
- goto error;
- ivp->iov_base = (void *)A(buf);
- ivp->iov_len = (__kernel_size_t)len;
- iov32++;
- ivp++;
- }
- *errp = 0;
- return(iov);
-
-error:
- if (iov != iov_buf)
- kfree(iov);
- return NULL;
-}
-
-asmlinkage long
-sys32_readv(int fd, struct compat_iovec *vector, u32 count)
-{
- struct iovec iovstack[UIO_FASTIOV];
- struct iovec *iov;
- int ret;
- mm_segment_t old_fs = get_fs();
-
- if ((iov = get_compat_iovec(vector, iovstack, &count, VERIFY_WRITE, &ret)) == NULL)
- return ret;
- set_fs(KERNEL_DS);
- ret = sys_readv(fd, iov, count);
- set_fs(old_fs);
- if (iov != iovstack)
- kfree(iov);
- return ret;
-}
-
-asmlinkage long
-sys32_writev(int fd, struct compat_iovec *vector, u32 count)
-{
- struct iovec iovstack[UIO_FASTIOV];
- struct iovec *iov;
- int ret;
- mm_segment_t old_fs = get_fs();
-
- if ((iov = get_compat_iovec(vector, iovstack, &count, VERIFY_READ, &ret)) == NULL)
- return ret;
- set_fs(KERNEL_DS);
- ret = sys_writev(fd, iov, count);
- set_fs(old_fs);
- if (iov != iovstack)
- kfree(iov);
- return ret;
-}
-
-/*
- * sys_time() can be implemented in user-level using
- * sys_gettimeofday(). x86-64 did this but i386 Linux did not
- * so we have to implement this system call here.
- */
-asmlinkage long sys32_time(int * tloc)
-{
- int i;
- struct timeval tv;
-
- do_gettimeofday(&tv);
- i = tv.tv_sec;
-
- if (tloc) {
- if (put_user(i,tloc))
- i = -EFAULT;
- }
- return i;
+ return compat_sys_select(a.n, compat_ptr(a.inp), compat_ptr(a.outp),
+ compat_ptr(a.exp), compat_ptr(a.tvp));
}
extern asmlinkage long
return compat_sys_wait4(pid, stat_addr, options, NULL);
}
-int sys32_ni_syscall(int call)
-{
- struct task_struct *me = current;
- static char lastcomm[8];
- if (strcmp(lastcomm, me->comm)) {
- printk(KERN_INFO "IA32 syscall %d from %s not implemented\n", call,
- current->comm);
- strcpy(lastcomm, me->comm);
- }
- return -ENOSYS;
-}
-
/* 32-bit timeval and related flotsam. */
asmlinkage long
};
asmlinkage long
-sys32_sysinfo(struct sysinfo32 *info)
+sys32_sysinfo(struct sysinfo32 __user *info)
{
struct sysinfo s;
int ret;
s.freehigh >>= bitcount;
}
- if (verify_area(VERIFY_WRITE, info, sizeof(struct sysinfo32)) ||
+ if (!access_ok(VERIFY_WRITE, info, sizeof(struct sysinfo32)) ||
__put_user (s.uptime, &info->uptime) ||
__put_user (s.loads[0], &info->loads[0]) ||
__put_user (s.loads[1], &info->loads[1]) ||
}
asmlinkage long
-sys32_sched_rr_get_interval(compat_pid_t pid, struct compat_timespec *interval)
+sys32_sched_rr_get_interval(compat_pid_t pid, struct compat_timespec __user *interval)
{
struct timespec t;
int ret;
return ret;
}
-
-asmlinkage long
-sys32_rt_sigtimedwait(compat_sigset_t *uthese, siginfo_t32 *uinfo,
- struct compat_timespec *uts, compat_size_t sigsetsize)
-{
- sigset_t s;
- compat_sigset_t s32;
- struct timespec t;
- int ret;
- mm_segment_t old_fs = get_fs();
- siginfo_t info;
-
- if (copy_from_user (&s32, uthese, sizeof(compat_sigset_t)))
- return -EFAULT;
- switch (_NSIG_WORDS) {
- case 4: s.sig[3] = s32.sig[6] | (((long)s32.sig[7]) << 32);
- case 3: s.sig[2] = s32.sig[4] | (((long)s32.sig[5]) << 32);
- case 2: s.sig[1] = s32.sig[2] | (((long)s32.sig[3]) << 32);
- case 1: s.sig[0] = s32.sig[0] | (((long)s32.sig[1]) << 32);
- }
- if (uts && get_compat_timespec(&t, uts))
- return -EFAULT;
- if (uinfo) {
- /* stop data leak to user space in case of structure fill mismatch
- * between sys_rt_sigtimedwait & ia32_copy_siginfo_to_user.
- */
- memset(&info, 0, sizeof(info));
- }
- set_fs (KERNEL_DS);
- ret = sys_rt_sigtimedwait(&s, uinfo ? &info : NULL, uts ? &t : NULL,
- sigsetsize);
- set_fs (old_fs);
- if (ret >= 0 && uinfo) {
- if (ia32_copy_siginfo_to_user(uinfo, &info))
- return -EFAULT;
- }
- return ret;
-}
-
asmlinkage long
-sys32_rt_sigqueueinfo(int pid, int sig, siginfo_t32 *uinfo)
+sys32_rt_sigqueueinfo(int pid, int sig, compat_siginfo_t __user *uinfo)
{
siginfo_t info;
int ret;
mm_segment_t old_fs = get_fs();
- if (ia32_copy_siginfo_from_user(&info, uinfo))
+ if (copy_siginfo_from_user32(&info, uinfo))
return -EFAULT;
set_fs (KERNEL_DS);
ret = sys_rt_sigqueueinfo(pid, sig, &info);
}
+#ifdef CONFIG_SYSCTL
struct sysctl_ia32 {
unsigned int name;
int nlen;
asmlinkage long
-sys32_sysctl(struct sysctl_ia32 *args32)
+sys32_sysctl(struct sysctl_ia32 __user *args32)
{
-#ifndef CONFIG_SYSCTL
- return -ENOSYS;
-#else
struct sysctl_ia32 a32;
mm_segment_t old_fs = get_fs ();
- void *oldvalp, *newvalp;
+ void __user *oldvalp, *newvalp;
size_t oldlen;
- int *namep;
+ int __user *namep;
long ret;
extern int do_sysctl(int *name, int nlen, void *oldval, size_t *oldlenp,
void *newval, size_t newlen);
* addresses, we KNOW that access_ok() will always succeed, so this is an
* expensive NOP, but so what...
*/
- namep = (int *) A(a32.name);
- oldvalp = (void *) A(a32.oldval);
- newvalp = (void *) A(a32.newval);
+ namep = compat_ptr(a32.name);
+ oldvalp = compat_ptr(a32.oldval);
+ newvalp = compat_ptr(a32.newval);
- if ((oldvalp && get_user(oldlen, (int *) A(a32.oldlenp)))
+ if ((oldvalp && get_user(oldlen, (int __user *)compat_ptr(a32.oldlenp)))
|| !access_ok(VERIFY_WRITE, namep, 0)
|| !access_ok(VERIFY_WRITE, oldvalp, 0)
|| !access_ok(VERIFY_WRITE, newvalp, 0))
unlock_kernel();
set_fs(old_fs);
- if (oldvalp && put_user (oldlen, (int *) A(a32.oldlenp)))
+ if (oldvalp && put_user (oldlen, (int __user *)compat_ptr(a32.oldlenp)))
return -EFAULT;
return ret;
-#endif
}
+#endif
/* warning: next two assume little endian */
asmlinkage long
-sys32_pread(unsigned int fd, char *ubuf, u32 count, u32 poslo, u32 poshi)
+sys32_pread(unsigned int fd, char __user *ubuf, u32 count, u32 poslo, u32 poshi)
{
return sys_pread64(fd, ubuf, count,
((loff_t)AA(poshi) << 32) | AA(poslo));
}
asmlinkage long
-sys32_pwrite(unsigned int fd, char *ubuf, u32 count, u32 poslo, u32 poshi)
+sys32_pwrite(unsigned int fd, char __user *ubuf, u32 count, u32 poslo, u32 poshi)
{
return sys_pwrite64(fd, ubuf, count,
((loff_t)AA(poshi) << 32) | AA(poslo));
}
asmlinkage long
-sys32_sendfile(int out_fd, int in_fd, compat_off_t *offset, s32 count)
+sys32_sendfile(int out_fd, int in_fd, compat_off_t __user *offset, s32 count)
{
mm_segment_t old_fs = get_fs();
int ret;
ret = sys_sendfile(out_fd, in_fd, offset ? &of : NULL, count);
set_fs(old_fs);
- if (!ret && offset && put_user(of, offset))
+ if (offset && put_user(of, offset))
return -EFAULT;
return ret;
}
-/* Handle adjtimex compatibility. */
-
-struct timex32 {
- u32 modes;
- s32 offset, freq, maxerror, esterror;
- s32 status, constant, precision, tolerance;
- struct compat_timeval time;
- s32 tick;
- s32 ppsfreq, jitter, shift, stabil;
- s32 jitcnt, calcnt, errcnt, stbcnt;
- s32 :32; s32 :32; s32 :32; s32 :32;
- s32 :32; s32 :32; s32 :32; s32 :32;
- s32 :32; s32 :32; s32 :32; s32 :32;
-};
-
-extern int do_adjtimex(struct timex *);
-
-asmlinkage long
-sys32_adjtimex(struct timex32 *utp)
-{
- struct timex txc;
- int ret;
-
- memset(&txc, 0, sizeof(struct timex));
-
- if(verify_area(VERIFY_READ, utp, sizeof(struct timex32)) ||
- __get_user(txc.modes, &utp->modes) ||
- __get_user(txc.offset, &utp->offset) ||
- __get_user(txc.freq, &utp->freq) ||
- __get_user(txc.maxerror, &utp->maxerror) ||
- __get_user(txc.esterror, &utp->esterror) ||
- __get_user(txc.status, &utp->status) ||
- __get_user(txc.constant, &utp->constant) ||
- __get_user(txc.precision, &utp->precision) ||
- __get_user(txc.tolerance, &utp->tolerance) ||
- __get_user(txc.time.tv_sec, &utp->time.tv_sec) ||
- __get_user(txc.time.tv_usec, &utp->time.tv_usec) ||
- __get_user(txc.tick, &utp->tick) ||
- __get_user(txc.ppsfreq, &utp->ppsfreq) ||
- __get_user(txc.jitter, &utp->jitter) ||
- __get_user(txc.shift, &utp->shift) ||
- __get_user(txc.stabil, &utp->stabil) ||
- __get_user(txc.jitcnt, &utp->jitcnt) ||
- __get_user(txc.calcnt, &utp->calcnt) ||
- __get_user(txc.errcnt, &utp->errcnt) ||
- __get_user(txc.stbcnt, &utp->stbcnt))
- return -EFAULT;
-
- ret = do_adjtimex(&txc);
-
- if(verify_area(VERIFY_WRITE, utp, sizeof(struct timex32)) ||
- __put_user(txc.modes, &utp->modes) ||
- __put_user(txc.offset, &utp->offset) ||
- __put_user(txc.freq, &utp->freq) ||
- __put_user(txc.maxerror, &utp->maxerror) ||
- __put_user(txc.esterror, &utp->esterror) ||
- __put_user(txc.status, &utp->status) ||
- __put_user(txc.constant, &utp->constant) ||
- __put_user(txc.precision, &utp->precision) ||
- __put_user(txc.tolerance, &utp->tolerance) ||
- __put_user(txc.time.tv_sec, &utp->time.tv_sec) ||
- __put_user(txc.time.tv_usec, &utp->time.tv_usec) ||
- __put_user(txc.tick, &utp->tick) ||
- __put_user(txc.ppsfreq, &utp->ppsfreq) ||
- __put_user(txc.jitter, &utp->jitter) ||
- __put_user(txc.shift, &utp->shift) ||
- __put_user(txc.stabil, &utp->stabil) ||
- __put_user(txc.jitcnt, &utp->jitcnt) ||
- __put_user(txc.calcnt, &utp->calcnt) ||
- __put_user(txc.errcnt, &utp->errcnt) ||
- __put_user(txc.stbcnt, &utp->stbcnt))
- ret = -EFAULT;
-
- return ret;
-}
-
asmlinkage long sys32_mmap2(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff)
return -EBADF;
}
- if (prot & PROT_READ)
- prot |= vm_force_exec32;
-
down_write(&mm->mmap_sem);
error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
up_write(&mm->mmap_sem);
return error;
}
-asmlinkage long sys32_olduname(struct oldold_utsname * name)
+asmlinkage long sys32_olduname(struct oldold_utsname __user * name)
{
int error;
+ struct new_utsname *ptr;
if (!name)
return -EFAULT;
down_read(&uts_sem);
- error = __copy_to_user(&name->sysname,&system_utsname.sysname,__OLD_UTS_LEN);
+ ptr = vx_new_utsname();
+ error = __copy_to_user(&name->sysname,ptr->sysname,__OLD_UTS_LEN);
__put_user(0,name->sysname+__OLD_UTS_LEN);
- __copy_to_user(&name->nodename,&system_utsname.nodename,__OLD_UTS_LEN);
+ __copy_to_user(&name->nodename,ptr->nodename,__OLD_UTS_LEN);
__put_user(0,name->nodename+__OLD_UTS_LEN);
- __copy_to_user(&name->release,&system_utsname.release,__OLD_UTS_LEN);
+ __copy_to_user(&name->release,ptr->release,__OLD_UTS_LEN);
__put_user(0,name->release+__OLD_UTS_LEN);
- __copy_to_user(&name->version,&system_utsname.version,__OLD_UTS_LEN);
+ __copy_to_user(&name->version,ptr->version,__OLD_UTS_LEN);
__put_user(0,name->version+__OLD_UTS_LEN);
{
char *arch = "x86_64";
return error;
}
-long sys32_uname(struct old_utsname * name)
+long sys32_uname(struct old_utsname __user * name)
{
int err;
if (!name)
return -EFAULT;
down_read(&uts_sem);
- err=copy_to_user(name, &system_utsname, sizeof (*name));
+ err=copy_to_user(name, vx_new_utsname(), sizeof (*name));
up_read(&uts_sem);
if (personality(current->personality) == PER_LINUX32)
err |= copy_to_user(&name->machine, "i686", 5);
return ret;
}
-static int nargs(u32 src, char **dst)
-{
- int cnt;
- u32 val;
-
- cnt = 0;
- do {
- int ret = get_user(val, (__u32 *)(u64)src);
- if (ret)
- return ret;
- if (dst)
- dst[cnt] = (char *)(u64)val;
- cnt++;
- src += 4;
- if (cnt >= (MAX_ARG_PAGES*PAGE_SIZE)/sizeof(void*))
- return -E2BIG;
- } while(val);
- if (dst)
- dst[cnt-1] = 0;
- return cnt;
-}
-
-asmlinkage long sys32_execve(char *name, u32 argv, u32 envp, struct pt_regs regs)
-{
- mm_segment_t oldseg;
- char **buf = NULL;
- int na = 0,ne = 0;
- int ret;
- unsigned sz = 0;
-
- if (argv) {
- na = nargs(argv, NULL);
- if (na < 0)
- return -EFAULT;
- }
- if (envp) {
- ne = nargs(envp, NULL);
- if (ne < 0)
- return -EFAULT;
- }
-
- if (argv || envp) {
- sz = (na+ne)*sizeof(void *);
- if (sz > PAGE_SIZE)
- buf = vmalloc(sz);
- else
- buf = kmalloc(sz, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
- }
-
- if (argv) {
- ret = nargs(argv, buf);
- if (ret < 0)
- goto free;
- }
-
- if (envp) {
- ret = nargs(envp, buf + na);
- if (ret < 0)
- goto free;
- }
-
- name = getname(name);
- ret = PTR_ERR(name);
- if (IS_ERR(name))
- goto free;
-
- oldseg = get_fs();
- set_fs(KERNEL_DS);
- ret = do_execve(name, argv ? buf : NULL, envp ? buf+na : NULL, ®s);
- set_fs(oldseg);
-
- if (ret == 0)
- current->ptrace &= ~PT_DTRACE;
+asmlinkage long sys32_execve(char __user *name, compat_uptr_t __user *argv,
+ compat_uptr_t __user *envp, struct pt_regs *regs)
+{
+ long error;
+ char * filename;
- putname(name);
-
-free:
- if (argv || envp) {
- if (sz > PAGE_SIZE)
- vfree(buf);
- else
- kfree(buf);
- }
- return ret;
-}
+ filename = getname(name);
+ error = PTR_ERR(filename);
+ if (IS_ERR(filename))
+ return error;
+ error = compat_do_execve(filename, argv, envp, regs);
+ putname(filename);
+ return error;
+}
-asmlinkage long sys32_clone(unsigned int clone_flags, unsigned int newsp, struct pt_regs regs)
+asmlinkage long sys32_clone(unsigned int clone_flags, unsigned int newsp,
+ struct pt_regs *regs)
{
- void *parent_tid = (void *)regs.rdx;
- void *child_tid = (void *)regs.rdi;
+ void __user *parent_tid = (void __user *)regs->rdx;
+ void __user *child_tid = (void __user *)regs->rdi;
if (!newsp)
- newsp = regs.rsp;
- return do_fork(clone_flags & ~CLONE_IDLETASK, newsp, ®s, 0,
- parent_tid, child_tid);
+ newsp = regs->rsp;
+ return do_fork(clone_flags, newsp, regs, 0, parent_tid, child_tid);
}
/*
return sys_kill(pid, sig);
}
-
-#if defined(CONFIG_NFSD) || defined(CONFIG_NFSD_MODULE)
-/* Stuff for NFS server syscalls... */
-struct nfsctl_svc32 {
- u16 svc32_port;
- s32 svc32_nthreads;
-};
-
-struct nfsctl_client32 {
- s8 cl32_ident[NFSCLNT_IDMAX+1];
- s32 cl32_naddr;
- struct in_addr cl32_addrlist[NFSCLNT_ADDRMAX];
- s32 cl32_fhkeytype;
- s32 cl32_fhkeylen;
- u8 cl32_fhkey[NFSCLNT_KEYMAX];
-};
-
-struct nfsctl_export32 {
- s8 ex32_client[NFSCLNT_IDMAX+1];
- s8 ex32_path[NFS_MAXPATHLEN+1];
- compat_dev_t ex32_dev;
- compat_ino_t ex32_ino;
- s32 ex32_flags;
- compat_pid_t ex32_anon_uid;
- compat_gid_t ex32_anon_gid;
-};
-
-struct nfsctl_fdparm32 {
- struct sockaddr gd32_addr;
- s8 gd32_path[NFS_MAXPATHLEN+1];
- s32 gd32_version;
-};
-
-struct nfsctl_fsparm32 {
- struct sockaddr gd32_addr;
- s8 gd32_path[NFS_MAXPATHLEN+1];
- s32 gd32_maxlen;
-};
-
-struct nfsctl_arg32 {
- s32 ca32_version; /* safeguard */
- union {
- struct nfsctl_svc32 u32_svc;
- struct nfsctl_client32 u32_client;
- struct nfsctl_export32 u32_export;
- struct nfsctl_fdparm32 u32_getfd;
- struct nfsctl_fsparm32 u32_getfs;
- } u;
-#define ca32_svc u.u32_svc
-#define ca32_client u.u32_client
-#define ca32_export u.u32_export
-#define ca32_getfd u.u32_getfd
-#define ca32_getfs u.u32_getfs
-};
-
-union nfsctl_res32 {
- __u8 cr32_getfh[NFS_FHSIZE];
- struct knfsd_fh cr32_getfs;
-};
-
-static int nfs_svc32_trans(struct nfsctl_arg *karg, struct nfsctl_arg32 *arg32)
-{
- int err;
-
- err = get_user(karg->ca_version, &arg32->ca32_version);
- err |= __get_user(karg->ca_svc.svc_port, &arg32->ca32_svc.svc32_port);
- err |= __get_user(karg->ca_svc.svc_nthreads, &arg32->ca32_svc.svc32_nthreads);
- return err;
-}
-
-static int nfs_clnt32_trans(struct nfsctl_arg *karg, struct nfsctl_arg32 *arg32)
-{
- int err;
-
- err = get_user(karg->ca_version, &arg32->ca32_version);
- err |= copy_from_user(&karg->ca_client.cl_ident[0],
- &arg32->ca32_client.cl32_ident[0],
- NFSCLNT_IDMAX);
- err |= __get_user(karg->ca_client.cl_naddr, &arg32->ca32_client.cl32_naddr);
- err |= copy_from_user(&karg->ca_client.cl_addrlist[0],
- &arg32->ca32_client.cl32_addrlist[0],
- (sizeof(struct in_addr) * NFSCLNT_ADDRMAX));
- err |= __get_user(karg->ca_client.cl_fhkeytype,
- &arg32->ca32_client.cl32_fhkeytype);
- err |= __get_user(karg->ca_client.cl_fhkeylen,
- &arg32->ca32_client.cl32_fhkeylen);
- err |= copy_from_user(&karg->ca_client.cl_fhkey[0],
- &arg32->ca32_client.cl32_fhkey[0],
- NFSCLNT_KEYMAX);
- return err;
-}
-
-static int nfs_exp32_trans(struct nfsctl_arg *karg, struct nfsctl_arg32 *arg32)
-{
- int err;
-
- err = get_user(karg->ca_version, &arg32->ca32_version);
- err |= copy_from_user(&karg->ca_export.ex_client[0],
- &arg32->ca32_export.ex32_client[0],
- NFSCLNT_IDMAX);
- err |= copy_from_user(&karg->ca_export.ex_path[0],
- &arg32->ca32_export.ex32_path[0],
- NFS_MAXPATHLEN);
- err |= __get_user(karg->ca_export.ex_dev,
- &arg32->ca32_export.ex32_dev);
- err |= __get_user(karg->ca_export.ex_ino,
- &arg32->ca32_export.ex32_ino);
- err |= __get_user(karg->ca_export.ex_flags,
- &arg32->ca32_export.ex32_flags);
- err |= __get_user(karg->ca_export.ex_anon_uid,
- &arg32->ca32_export.ex32_anon_uid);
- err |= __get_user(karg->ca_export.ex_anon_gid,
- &arg32->ca32_export.ex32_anon_gid);
- SET_UID(karg->ca_export.ex_anon_uid, karg->ca_export.ex_anon_uid);
- SET_GID(karg->ca_export.ex_anon_gid, karg->ca_export.ex_anon_gid);
- return err;
-}
-
-
-static int nfs_getfd32_trans(struct nfsctl_arg *karg, struct nfsctl_arg32 *arg32)
-{
- int err;
-
- err = get_user(karg->ca_version, &arg32->ca32_version);
- err |= copy_from_user(&karg->ca_getfd.gd_addr,
- &arg32->ca32_getfd.gd32_addr,
- (sizeof(struct sockaddr)));
- err |= copy_from_user(&karg->ca_getfd.gd_path,
- &arg32->ca32_getfd.gd32_path,
- (NFS_MAXPATHLEN+1));
- err |= get_user(karg->ca_getfd.gd_version,
- &arg32->ca32_getfd.gd32_version);
- return err;
-}
-
-static int nfs_getfs32_trans(struct nfsctl_arg *karg, struct nfsctl_arg32 *arg32)
-{
- int err;
-
- err = get_user(karg->ca_version, &arg32->ca32_version);
- err |= copy_from_user(&karg->ca_getfs.gd_addr,
- &arg32->ca32_getfs.gd32_addr,
- (sizeof(struct sockaddr)));
- err |= copy_from_user(&karg->ca_getfs.gd_path,
- &arg32->ca32_getfs.gd32_path,
- (NFS_MAXPATHLEN+1));
- err |= get_user(karg->ca_getfs.gd_maxlen,
- &arg32->ca32_getfs.gd32_maxlen);
- return err;
-}
-
-/* This really doesn't need translations, we are only passing
- * back a union which contains opaque nfs file handle data.
- */
-static int nfs_getfh32_res_trans(union nfsctl_res *kres, union nfsctl_res32 *res32)
-{
- return copy_to_user(res32, kres, sizeof(*res32)) ? -EFAULT : 0;
-}
-
-long asmlinkage sys32_nfsservctl(int cmd, struct nfsctl_arg32 *arg32, union nfsctl_res32 *res32)
-{
- struct nfsctl_arg *karg = NULL;
- union nfsctl_res *kres = NULL;
- mm_segment_t oldfs;
- int err;
-
- karg = kmalloc(sizeof(*karg), GFP_USER);
- if(!karg)
- return -ENOMEM;
- if(res32) {
- kres = kmalloc(sizeof(*kres), GFP_USER);
- if(!kres) {
- kfree(karg);
- return -ENOMEM;
- }
- }
- switch(cmd) {
- case NFSCTL_SVC:
- err = nfs_svc32_trans(karg, arg32);
- break;
- case NFSCTL_ADDCLIENT:
- err = nfs_clnt32_trans(karg, arg32);
- break;
- case NFSCTL_DELCLIENT:
- err = nfs_clnt32_trans(karg, arg32);
- break;
- case NFSCTL_EXPORT:
- case NFSCTL_UNEXPORT:
- err = nfs_exp32_trans(karg, arg32);
- break;
- case NFSCTL_GETFD:
- err = nfs_getfd32_trans(karg, arg32);
- break;
- case NFSCTL_GETFS:
- err = nfs_getfs32_trans(karg, arg32);
- break;
- default:
- err = -EINVAL;
- break;
- }
- if(err)
- goto done;
- oldfs = get_fs();
- set_fs(KERNEL_DS);
- err = sys_nfsservctl(cmd, karg, kres);
- set_fs(oldfs);
-
- if (err)
- goto done;
-
- if((cmd == NFSCTL_GETFD) ||
- (cmd == NFSCTL_GETFS))
- err = nfs_getfh32_res_trans(kres, res32);
-
-done:
- if(karg)
- kfree(karg);
- if(kres)
- kfree(kres);
- return err;
-}
-#else /* !NFSD */
-long asmlinkage sys32_nfsservctl(int cmd, void *notused, void *notused2)
-{
- return sys_ni_syscall();
-}
-#endif
-
-long sys32_io_setup(unsigned nr_reqs, u32 *ctx32p)
-{
- long ret;
- aio_context_t ctx64;
- mm_segment_t oldfs = get_fs();
- set_fs(KERNEL_DS);
- ret = sys_io_setup(nr_reqs, &ctx64);
- set_fs(oldfs);
- /* truncating is ok because it's a user address */
- if (!ret)
- ret = put_user((u32)ctx64, ctx32p);
- return ret;
-}
-
-asmlinkage long sys32_io_submit(aio_context_t ctx_id, int nr,
- compat_uptr_t *iocbpp)
-{
- struct kioctx *ctx;
- long ret = 0;
- int i;
-
- if (unlikely(nr < 0))
- return -EINVAL;
-
- if (unlikely(!access_ok(VERIFY_READ, iocbpp, (nr*sizeof(*iocbpp)))))
- return -EFAULT;
-
- ctx = lookup_ioctx(ctx_id);
- if (unlikely(!ctx)) {
- pr_debug("EINVAL: io_submit: invalid context id\n");
- return -EINVAL;
- }
-
- for (i=0; i<nr; i++) {
- compat_uptr_t p32;
- struct iocb *user_iocb, tmp;
-
- if (unlikely(__get_user(p32, iocbpp + i))) {
- ret = -EFAULT;
- break;
- }
- user_iocb = compat_ptr(p32);
-
- if (unlikely(copy_from_user(&tmp, user_iocb, sizeof(tmp)))) {
- ret = -EFAULT;
- break;
- }
-
- ret = io_submit_one(ctx, user_iocb, &tmp);
- if (ret)
- break;
- }
-
- put_ioctx(ctx);
- return i ? i : ret;
-}
-
-
-asmlinkage long sys32_io_getevents(aio_context_t ctx_id,
- unsigned long min_nr,
- unsigned long nr,
- struct io_event *events,
- struct compat_timespec *timeout)
-{
- long ret;
- mm_segment_t oldfs;
- struct timespec t;
- /* Harden against bogus ptrace */
- if (nr >= 0xffffffff ||
- !access_ok(VERIFY_WRITE, events, nr * sizeof(struct io_event)))
- return -EFAULT;
- if (timeout && get_compat_timespec(&t, timeout))
- return -EFAULT;
- oldfs = get_fs();
- set_fs(KERNEL_DS);
- ret = sys_io_getevents(ctx_id,min_nr,nr,events,timeout ? &t : NULL);
- set_fs(oldfs);
- if (!ret && timeout && put_compat_timespec(&t, timeout))
- return -EFAULT;
- return ret;
-}
-
-asmlinkage long sys32_open(const char * filename, int flags, int mode)
-{
- char * tmp;
- int fd, error;
-
- /* don't force O_LARGEFILE */
- tmp = getname(filename);
- fd = PTR_ERR(tmp);
- if (!IS_ERR(tmp)) {
- fd = get_unused_fd();
- if (fd >= 0) {
- struct file *f = filp_open(tmp, flags, mode);
- error = PTR_ERR(f);
- if (unlikely(IS_ERR(f))) {
- put_unused_fd(fd);
- fd = error;
- } else
- fd_install(fd, f);
- }
- putname(tmp);
- }
- return fd;
-}
-
-struct sigevent32 {
- u32 sigev_value;
- u32 sigev_signo;
- u32 sigev_notify;
- u32 payload[(64 / 4) - 3];
-};
-
-extern asmlinkage long
-sys_timer_create(clockid_t which_clock,
- struct sigevent __user *timer_event_spec,
- timer_t __user * created_timer_id);
-
-long
-sys32_timer_create(u32 clock, struct sigevent32 *se32, timer_t *timer_id)
-{
- struct sigevent se;
- mm_segment_t oldfs;
- long err;
-
- if (se32) {
- memset(&se, 0, sizeof(struct sigevent));
- if (get_user(se.sigev_value.sival_int, &se32->sigev_value) ||
- __get_user(se.sigev_signo, &se32->sigev_signo) ||
- __get_user(se.sigev_notify, &se32->sigev_notify) ||
- __copy_from_user(&se._sigev_un._pad, &se32->payload,
- sizeof(se32->payload)))
- return -EFAULT;
- }
- if (!access_ok(VERIFY_WRITE,timer_id,sizeof(timer_t)))
- return -EFAULT;
-
- oldfs = get_fs();
- set_fs(KERNEL_DS);
- err = sys_timer_create(clock, se32 ? &se : NULL, timer_id);
- set_fs(oldfs);
-
- return err;
-}
-
long sys32_fadvise64_64(int fd, __u32 offset_low, __u32 offset_high,
__u32 len_low, __u32 len_high, int advice)
{
long sys32_vm86_warning(void)
{
struct task_struct *me = current;
- static char lastcomm[8];
- if (strcmp(lastcomm, me->comm)) {
- printk(KERN_INFO "%s: vm86 mode not supported on 64 bit kernel\n",
+ static char lastcomm[sizeof(me->comm)];
+ if (strncmp(lastcomm, me->comm, sizeof(lastcomm))) {
+ compat_printk(KERN_INFO "%s: vm86 mode not supported on 64 bit kernel\n",
me->comm);
- strcpy(lastcomm, me->comm);
+ strncpy(lastcomm, me->comm, sizeof(lastcomm));
}
return -ENOSYS;
}
-long sys32_quotactl(void)
-{
- struct task_struct *me = current;
- static char lastcomm[8];
- if (strcmp(lastcomm, me->comm)) {
- printk(KERN_INFO "%s: 32bit quotactl not supported on 64 bit kernel\n",
- me->comm);
- strcpy(lastcomm, me->comm);
- }
- return -ENOSYS;
-}
-
-cond_syscall(sys32_ipc)
-
-static int __init ia32_init (void)
+long sys32_lookup_dcookie(u32 addr_low, u32 addr_high,
+ char __user * buf, size_t len)
{
- printk("IA32 emulation $Id: sys_ia32.c,v 1.32 2002/03/24 13:02:28 ak Exp $\n");
- return 0;
+ return sys_lookup_dcookie(((u64)addr_high << 32) | addr_low, buf, len);
}
-__initcall(ia32_init);
-
-extern unsigned long ia32_sys_call_table[];
-EXPORT_SYMBOL(ia32_sys_call_table);
git://git.onelab.eu / linux-2.6.git / blobdiff