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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2007-06-23 17:47:57 +0000
committerThomas Schwinge <tschwinge@gnu.org>2009-06-18 00:27:10 +0200
commit352e84795a6ae90930145709e8d539363718cf08 (patch)
tree9c7f4a74741a2ab15dd16ffb0c54935bbdefc7b7 /i386
parent3f0f9d5b0caf7a49044a8aa8935e954415141e4a (diff)
2007-06-23 Samuel Thibault <samuel.thibault@ens-lyon.org>
* i386/i386/trap.c (user_trap): Read faulting linear address before using it.
Diffstat (limited to 'i386')
-rw-r--r--i386/i386/trap.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/i386/i386/trap.c b/i386/i386/trap.c
index 3b51b1a..ebb327c 100644
--- a/i386/i386/trap.c
+++ b/i386/i386/trap.c
@@ -504,13 +504,13 @@ printf("user trap %d error %d sub %08x\n", type, code, subcode);
break;
case T_PAGE_FAULT:
+ subcode = regs->cr2;
#if 0
printf("user page fault at linear address %08x\n", subcode);
dump_ss (regs);
#endif
assert(subcode < LINEAR_MIN_KERNEL_ADDRESS);
- subcode = regs->cr2;
(void) vm_fault(thread->task->map,
trunc_page((vm_offset_t)subcode),
(regs->err & T_PF_WRITE)