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From: Kefeng Wang <wangkefeng.wang@huawei.com>
To: Kees Cook <keescook@chromium.org>,
	Laura Abbott <labbott@redhat.com>,
	"Mark Rutland" <mark.rutland@arm.com>, <linux-mm@kvack.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	<linux-kernel@vger.kernel.org>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	"Paul Mackerras" <paulus@samba.org>,
	<linuxppc-dev@lists.ozlabs.org>
Cc: Nicholas Piggin <npiggin@gmail.com>,
	Kefeng Wang <wangkefeng.wang@huawei.com>
Subject: [PATCH v2 0/2] mm: Fix kernel BUG in __check_heap_object() on PowerPC64
Date: Sat, 25 Dec 2021 20:06:19 +0800	[thread overview]
Message-ID: <20211225120621.13908-1-wangkefeng.wang@huawei.com> (raw)

v2:
- Fix powerpc virt_addr_valid() instead of workaround in
  check_heap_object(), suggested by Christophe and Nicholas
- Add WARN_ON in check_heap_object() incase of virt_addr_valid is
  insufficient on some archs

Kefeng Wang (2):
  powerpc: Fix virt_addr_valid() check
  mm: usercopy: Warn vmalloc/module address in check_heap_object()

 arch/powerpc/include/asm/page.h | 5 ++++-
 mm/usercopy.c                   | 2 ++
 2 files changed, 6 insertions(+), 1 deletion(-)

-- 
2.26.2


WARNING: multiple messages have this Message-ID (diff)
From: Kefeng Wang <wangkefeng.wang@huawei.com>
To: Kees Cook <keescook@chromium.org>,
	Laura Abbott <labbott@redhat.com>,
	"Mark Rutland" <mark.rutland@arm.com>, <linux-mm@kvack.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	<linux-kernel@vger.kernel.org>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	"Paul Mackerras" <paulus@samba.org>,
	<linuxppc-dev@lists.ozlabs.org>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>,
	Nicholas Piggin <npiggin@gmail.com>
Subject: [PATCH v2 0/2] mm: Fix kernel BUG in __check_heap_object() on PowerPC64
Date: Sat, 25 Dec 2021 20:06:19 +0800	[thread overview]
Message-ID: <20211225120621.13908-1-wangkefeng.wang@huawei.com> (raw)

v2:
- Fix powerpc virt_addr_valid() instead of workaround in
  check_heap_object(), suggested by Christophe and Nicholas
- Add WARN_ON in check_heap_object() incase of virt_addr_valid is
  insufficient on some archs

Kefeng Wang (2):
  powerpc: Fix virt_addr_valid() check
  mm: usercopy: Warn vmalloc/module address in check_heap_object()

 arch/powerpc/include/asm/page.h | 5 ++++-
 mm/usercopy.c                   | 2 ++
 2 files changed, 6 insertions(+), 1 deletion(-)

-- 
2.26.2


             reply	other threads:[~2021-12-25 11:57 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-25 12:06 Kefeng Wang [this message]
2021-12-25 12:06 ` [PATCH v2 0/2] mm: Fix kernel BUG in __check_heap_object() on PowerPC64 Kefeng Wang
2021-12-25 12:06 ` [PATCH v2 1/2] powerpc: Fix virt_addr_valid() check Kefeng Wang
2021-12-25 12:06   ` Kefeng Wang
2022-01-08 11:58   ` Kefeng Wang
2022-01-11  4:37     ` Nicholas Piggin
2022-01-11  6:04       ` Christophe Leroy
2022-01-19  1:15         ` Kefeng Wang
2022-01-20  7:31           ` Christophe Leroy
2022-01-20 11:09             ` Kefeng Wang
2022-01-10  8:01   ` Christophe Leroy
2021-12-25 12:06 ` [PATCH v2 2/2] mm: usercopy: Warn vmalloc/module address in check_heap_object() Kefeng Wang
2021-12-25 12:06   ` Kefeng Wang
2021-12-26 17:33   ` Christophe Leroy
2021-12-28  4:51     ` Kefeng Wang

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