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While we are inside ddb, allow all memory access.

This commit is contained in:
martin 2020-12-18 15:33:34 +00:00
parent d80c99b6f3
commit e5d53595d6
1 changed files with 11 additions and 2 deletions
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13
sys/kern/subr_asan.c
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@ -1,4 +1,4 @@
/* $NetBSD: subr_asan.c,v 1.26 2020/09/10 14:10:46 maxv Exp $ */
/* $NetBSD: subr_asan.c,v 1.27 2020/12/18 15:33:34 martin Exp $ */
/*
* Copyright (c) 2018-2020 Maxime Villard, m00nbsd.net
@ -29,7 +29,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: subr_asan.c,v 1.26 2020/09/10 14:10:46 maxv Exp $");
__KERNEL_RCSID(0, "$NetBSD: subr_asan.c,v 1.27 2020/12/18 15:33:34 martin Exp $");
#include <sys/param.h>
#include <sys/device.h>
@ -42,6 +42,11 @@ __KERNEL_RCSID(0, "$NetBSD: subr_asan.c,v 1.26 2020/09/10 14:10:46 maxv Exp $");
#include <uvm/uvm_extern.h>
#ifdef DDB
#include <machine/db_machdep.h>
#include <ddb/db_extern.h>
#endif
#ifdef KASAN_PANIC
#define REPORT panic
#else
@ -391,6 +396,10 @@ kasan_shadow_check(unsigned long addr, size_t size, bool write,
if (__predict_false(!kasan_enabled))
return;
#ifdef DDB
if (__predict_false(db_recover != NULL))
return;
#endif
if (__predict_false(size == 0))
return;
if (__predict_false(kasan_md_unsupported(addr)))