فهرست منبع

[PATCH] sparc64: Fix copy_sigingo_to_user32()

The compat routine to copy over this data structure was not
handling SI_POLL correctly, breaking various fcntl() variants
in compat tasks.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Jurij Smakov 20 سال پیش
والد
کامیت
9c7d3b3a6b
1فایلهای تغییر یافته به همراه4 افزوده شده و 1 حذف شده
  1. 4 1
      arch/sparc64/kernel/signal32.c

+ 4 - 1
arch/sparc64/kernel/signal32.c

@@ -192,10 +192,13 @@ int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from)
 			err |= __put_user(from->si_uid, &to->si_uid);
 			break;
 		case __SI_FAULT >> 16:
-		case __SI_POLL >> 16:
 			err |= __put_user(from->si_trapno, &to->si_trapno);
 			err |= __put_user((unsigned long)from->si_addr, &to->si_addr);
 			break;
+		case __SI_POLL >> 16:
+			err |= __put_user(from->si_band, &to->si_band);
+			err |= __put_user(from->si_fd, &to->si_fd);
+			break;
 		case __SI_RT >> 16: /* This is not generated by the kernel as of now.  */
 		case __SI_MESGQ >> 16:
 			err |= __put_user(from->si_pid, &to->si_pid);