Author: kib
Date: Sat Jul 15 06:33:39 2017
New Revision: 321004
URL: https://svnweb.freebsd.org/changeset/base/321004
Log:
MFC r320804:
Fix handling of one more possible exception on return to usermode.
Modified:
stable/11/sys/i386/i386/trap.c
Directory Properties:
stable/11/ (props changed)
Modified: stable/11/sys/i386/i386/trap.c
==============================================================================
--- stable/11/sys/i386/i386/trap.c Sat Jul 15 01:49:54 2017
(r321003)
+++ stable/11/sys/i386/i386/trap.c Sat Jul 15 06:33:39 2017
(r321004)
@@ -550,11 +550,7 @@ user_trctrap_out:
vm86_trap((struct vm86frame *)frame);
goto out;
}
- if (type == T_STKFLT)
- break;
-
/* FALL THROUGH */
-
case T_SEGNPFLT: /* segment not present fault */
if (curpcb->pcb_flags & PCB_VM86CALL)
break;
@@ -595,6 +591,9 @@ user_trctrap_out:
frame->tf_eip = (int)doreti_iret_fault;
goto out;
}
+ if (type == T_STKFLT)
+ break;
+
if (frame->tf_eip == (int)doreti_popl_ds) {
frame->tf_eip = (int)doreti_popl_ds_fault;
goto out;
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