Re: [PATCH v2] arm64: disable kasan when accessing frame->fp in unwind_frame

2016-02-09 Thread Shi, Yang
On 2/9/2016 9:31 AM, Shi, Yang wrote: On 2/9/2016 9:23 AM, Will Deacon wrote: On Tue, Feb 09, 2016 at 09:17:12AM -0800, Shi, Yang wrote: On 2/9/2016 8:54 AM, Will Deacon wrote: On Mon, Feb 08, 2016 at 09:13:09AM -0800, Yang Shi wrote: When boot arm64 kernel with KASAN enabled, the below error

Re: [PATCH v2] arm64: disable kasan when accessing frame->fp in unwind_frame

2016-02-09 Thread Shi, Yang
On 2/9/2016 9:23 AM, Will Deacon wrote: On Tue, Feb 09, 2016 at 09:17:12AM -0800, Shi, Yang wrote: On 2/9/2016 8:54 AM, Will Deacon wrote: On Mon, Feb 08, 2016 at 09:13:09AM -0800, Yang Shi wrote: When boot arm64 kernel with KASAN enabled, the below error is reported by kasan: BUG: KASAN: out

Re: [PATCH v2] arm64: disable kasan when accessing frame->fp in unwind_frame

2016-02-09 Thread Will Deacon
On Tue, Feb 09, 2016 at 09:17:12AM -0800, Shi, Yang wrote: > On 2/9/2016 8:54 AM, Will Deacon wrote: > >On Mon, Feb 08, 2016 at 09:13:09AM -0800, Yang Shi wrote: > >>When boot arm64 kernel with KASAN enabled, the below error is reported by > >>kasan: > >> > >>BUG: KASAN: out-of-bounds in unwind_fra

Re: [PATCH v2] arm64: disable kasan when accessing frame->fp in unwind_frame

2016-02-09 Thread Shi, Yang
On 2/9/2016 8:54 AM, Will Deacon wrote: On Mon, Feb 08, 2016 at 09:13:09AM -0800, Yang Shi wrote: When boot arm64 kernel with KASAN enabled, the below error is reported by kasan: BUG: KASAN: out-of-bounds in unwind_frame+0xec/0x260 at addr ffc064d57ba0 Read of size 8 by task pidof/499 page:

Re: [PATCH v2] arm64: disable kasan when accessing frame->fp in unwind_frame

2016-02-09 Thread Will Deacon
On Mon, Feb 08, 2016 at 09:13:09AM -0800, Yang Shi wrote: > When boot arm64 kernel with KASAN enabled, the below error is reported by > kasan: > > BUG: KASAN: out-of-bounds in unwind_frame+0xec/0x260 at addr ffc064d57ba0 > Read of size 8 by task pidof/499 > page:ffbdc39355c0 count:0 mapcou

Re: [PATCH v2] arm64: disable kasan when accessing frame->fp in unwind_frame

2016-02-09 Thread Andrey Ryabinin
On 02/08/2016 08:13 PM, Yang Shi wrote: > When boot arm64 kernel with KASAN enabled, the below error is reported by > kasan: > > BUG: KASAN: out-of-bounds in unwind_frame+0xec/0x260 at addr ffc064d57ba0 > Read of size 8 by task pidof/499 > page:ffbdc39355c0 count:0 mapcount:0 mapping:

Re: [PATCH v2] arm64: disable kasan when accessing frame->fp in unwind_frame

2016-02-09 Thread Will Deacon
On Mon, Feb 08, 2016 at 09:13:09AM -0800, Yang Shi wrote: > When boot arm64 kernel with KASAN enabled, the below error is reported by > kasan: > > BUG: KASAN: out-of-bounds in unwind_frame+0xec/0x260 at addr ffc064d57ba0 > Read of size 8 by task pidof/499 > page:ffbdc39355c0 count:0 mapcou