Re: [PATCH v3] kasan: add memory corruption identification for software tag-based mode

2019-08-01 Thread Walter Wu
On Wed, 2019-07-31 at 20:04 +0300, Andrey Ryabinin wrote: > > On 7/26/19 4:19 PM, Walter Wu wrote: > > On Fri, 2019-07-26 at 15:52 +0300, Andrey Ryabinin wrote: > >> > >> On 7/26/19 3:28 PM, Walter Wu wrote: > >>> On Fri, 2019-07-26 at 15:00 +0300, Andrey Ryabinin wrote: > > >>> > > >

Re: [PATCH v3] kasan: add memory corruption identification for software tag-based mode

2019-07-31 Thread Andrey Ryabinin
On 7/26/19 4:19 PM, Walter Wu wrote: > On Fri, 2019-07-26 at 15:52 +0300, Andrey Ryabinin wrote: >> >> On 7/26/19 3:28 PM, Walter Wu wrote: >>> On Fri, 2019-07-26 at 15:00 +0300, Andrey Ryabinin wrote: >>> > > > I remember that there are already the lists which you concern.

Re: [PATCH v3] kasan: add memory corruption identification for software tag-based mode

2019-07-26 Thread Walter Wu
On Fri, 2019-07-26 at 15:52 +0300, Andrey Ryabinin wrote: > > On 7/26/19 3:28 PM, Walter Wu wrote: > > On Fri, 2019-07-26 at 15:00 +0300, Andrey Ryabinin wrote: > >> > > > >>> > >>> > >>> I remember that there are already the lists which you concern. Maybe we > >>> can try to solve those problems

Re: [PATCH v3] kasan: add memory corruption identification for software tag-based mode

2019-07-26 Thread Andrey Ryabinin
On 7/26/19 3:28 PM, Walter Wu wrote: > On Fri, 2019-07-26 at 15:00 +0300, Andrey Ryabinin wrote: >> > >>> >>> >>> I remember that there are already the lists which you concern. Maybe we >>> can try to solve those problems one by one. >>> >>> 1. deadlock issue? cause by kmalloc() after kfree()?

Re: [PATCH v3] kasan: add memory corruption identification for software tag-based mode

2019-07-26 Thread Walter Wu
On Fri, 2019-07-26 at 15:00 +0300, Andrey Ryabinin wrote: > > On 7/22/19 12:52 PM, Walter Wu wrote: > > On Thu, 2019-07-18 at 19:11 +0300, Andrey Ryabinin wrote: > >> > >> On 7/15/19 6:06 AM, Walter Wu wrote: > >>> On Fri, 2019-07-12 at 13:52 +0300, Andrey Ryabinin wrote: > > On 7/11/19

Re: [PATCH v3] kasan: add memory corruption identification for software tag-based mode

2019-07-26 Thread Andrey Ryabinin
On 7/22/19 12:52 PM, Walter Wu wrote: > On Thu, 2019-07-18 at 19:11 +0300, Andrey Ryabinin wrote: >> >> On 7/15/19 6:06 AM, Walter Wu wrote: >>> On Fri, 2019-07-12 at 13:52 +0300, Andrey Ryabinin wrote: On 7/11/19 1:06 PM, Walter Wu wrote: > On Wed, 2019-07-10 at 21:24 +0300,

Re: [PATCH v3] kasan: add memory corruption identification for software tag-based mode

2019-07-22 Thread Walter Wu
On Thu, 2019-07-18 at 19:11 +0300, Andrey Ryabinin wrote: > > On 7/15/19 6:06 AM, Walter Wu wrote: > > On Fri, 2019-07-12 at 13:52 +0300, Andrey Ryabinin wrote: > >> > >> On 7/11/19 1:06 PM, Walter Wu wrote: > >>> On Wed, 2019-07-10 at 21:24 +0300, Andrey Ryabinin wrote: > > On 7/9/19

Re: [PATCH v3] kasan: add memory corruption identification for software tag-based mode

2019-07-18 Thread Andrey Ryabinin
On 7/15/19 6:06 AM, Walter Wu wrote: > On Fri, 2019-07-12 at 13:52 +0300, Andrey Ryabinin wrote: >> >> On 7/11/19 1:06 PM, Walter Wu wrote: >>> On Wed, 2019-07-10 at 21:24 +0300, Andrey Ryabinin wrote: On 7/9/19 5:53 AM, Walter Wu wrote: > On Mon, 2019-07-08 at 19:33 +0300, Andrey

Re: [PATCH v3] kasan: add memory corruption identification for software tag-based mode

2019-07-14 Thread Walter Wu
On Fri, 2019-07-12 at 13:52 +0300, Andrey Ryabinin wrote: > > On 7/11/19 1:06 PM, Walter Wu wrote: > > On Wed, 2019-07-10 at 21:24 +0300, Andrey Ryabinin wrote: > >> > >> On 7/9/19 5:53 AM, Walter Wu wrote: > >>> On Mon, 2019-07-08 at 19:33 +0300, Andrey Ryabinin wrote: > > On 7/5/19

Re: [PATCH v3] kasan: add memory corruption identification for software tag-based mode

2019-07-12 Thread Andrey Ryabinin
On 7/11/19 1:06 PM, Walter Wu wrote: > On Wed, 2019-07-10 at 21:24 +0300, Andrey Ryabinin wrote: >> >> On 7/9/19 5:53 AM, Walter Wu wrote: >>> On Mon, 2019-07-08 at 19:33 +0300, Andrey Ryabinin wrote: On 7/5/19 4:34 PM, Dmitry Vyukov wrote: > On Mon, Jul 1, 2019 at 11:56 AM Walter

Re: [PATCH v3] kasan: add memory corruption identification for software tag-based mode

2019-07-11 Thread Walter Wu
On Wed, 2019-07-10 at 21:24 +0300, Andrey Ryabinin wrote: > > On 7/9/19 5:53 AM, Walter Wu wrote: > > On Mon, 2019-07-08 at 19:33 +0300, Andrey Ryabinin wrote: > >> > >> On 7/5/19 4:34 PM, Dmitry Vyukov wrote: > >>> On Mon, Jul 1, 2019 at 11:56 AM Walter Wu > >>> wrote: > > >>> > >>> Sorry for

Re: [PATCH v3] kasan: add memory corruption identification for software tag-based mode

2019-07-10 Thread Andrey Ryabinin
On 7/9/19 5:53 AM, Walter Wu wrote: > On Mon, 2019-07-08 at 19:33 +0300, Andrey Ryabinin wrote: >> >> On 7/5/19 4:34 PM, Dmitry Vyukov wrote: >>> On Mon, Jul 1, 2019 at 11:56 AM Walter Wu wrote: >>> >>> Sorry for delays. I am overwhelm by some urgent work. I afraid to >>> promise any dates

Re: [PATCH v3] kasan: add memory corruption identification for software tag-based mode

2019-07-08 Thread Walter Wu
On Mon, 2019-07-08 at 19:33 +0300, Andrey Ryabinin wrote: > > On 7/5/19 4:34 PM, Dmitry Vyukov wrote: > > On Mon, Jul 1, 2019 at 11:56 AM Walter Wu wrote: > > This patch adds memory corruption identification at bug report for > > software tag-based mode, the report show whether

Re: [PATCH v3] kasan: add memory corruption identification for software tag-based mode

2019-07-08 Thread Andrey Ryabinin
On 7/5/19 4:34 PM, Dmitry Vyukov wrote: > On Mon, Jul 1, 2019 at 11:56 AM Walter Wu wrote: > This patch adds memory corruption identification at bug report for > software tag-based mode, the report show whether it is > "use-after-free" > or "out-of-bound" error

Re: [PATCH v3] kasan: add memory corruption identification for software tag-based mode

2019-07-05 Thread Dmitry Vyukov
On Mon, Jul 1, 2019 at 11:56 AM Walter Wu wrote: > > > > > > > > This patch adds memory corruption identification at bug report > > > > > > > > for > > > > > > > > software tag-based mode, the report show whether it is > > > > > > > > "use-after-free" > > > > > > > > or "out-of-bound" error

Re: [PATCH v3] kasan: add memory corruption identification for software tag-based mode

2019-07-01 Thread Walter Wu
On Mon, 2019-06-17 at 20:32 +0800, Walter Wu wrote: > On Mon, 2019-06-17 at 13:57 +0200, Dmitry Vyukov wrote: > > On Mon, Jun 17, 2019 at 6:00 AM Walter Wu wrote: > > > > > > On Fri, 2019-06-14 at 10:32 +0800, Walter Wu wrote: > > > > On Fri, 2019-06-14 at 01:46 +0800, Walter Wu wrote: > > > > >

Re: [PATCH v3] kasan: add memory corruption identification for software tag-based mode

2019-06-17 Thread Walter Wu
On Mon, 2019-06-17 at 13:57 +0200, Dmitry Vyukov wrote: > On Mon, Jun 17, 2019 at 6:00 AM Walter Wu wrote: > > > > On Fri, 2019-06-14 at 10:32 +0800, Walter Wu wrote: > > > On Fri, 2019-06-14 at 01:46 +0800, Walter Wu wrote: > > > > On Thu, 2019-06-13 at 15:27 +0300, Andrey Ryabinin wrote: > > >

Re: [PATCH v3] kasan: add memory corruption identification for software tag-based mode

2019-06-17 Thread Dmitry Vyukov
On Mon, Jun 17, 2019 at 6:00 AM Walter Wu wrote: > > On Fri, 2019-06-14 at 10:32 +0800, Walter Wu wrote: > > On Fri, 2019-06-14 at 01:46 +0800, Walter Wu wrote: > > > On Thu, 2019-06-13 at 15:27 +0300, Andrey Ryabinin wrote: > > > > > > > > On 6/13/19 11:13 AM, Walter Wu wrote: > > > > > This

Re: [PATCH v3] kasan: add memory corruption identification for software tag-based mode

2019-06-16 Thread Walter Wu
On Fri, 2019-06-14 at 10:32 +0800, Walter Wu wrote: > On Fri, 2019-06-14 at 01:46 +0800, Walter Wu wrote: > > On Thu, 2019-06-13 at 15:27 +0300, Andrey Ryabinin wrote: > > > > > > On 6/13/19 11:13 AM, Walter Wu wrote: > > > > This patch adds memory corruption identification at bug report for > >

Re: [PATCH v3] kasan: add memory corruption identification for software tag-based mode

2019-06-13 Thread Walter Wu
On Fri, 2019-06-14 at 01:46 +0800, Walter Wu wrote: > On Thu, 2019-06-13 at 15:27 +0300, Andrey Ryabinin wrote: > > > > On 6/13/19 11:13 AM, Walter Wu wrote: > > > This patch adds memory corruption identification at bug report for > > > software tag-based mode, the report show whether it is

Re: [PATCH v3] kasan: add memory corruption identification for software tag-based mode

2019-06-13 Thread Walter Wu
On Thu, 2019-06-13 at 15:27 +0300, Andrey Ryabinin wrote: > > On 6/13/19 11:13 AM, Walter Wu wrote: > > This patch adds memory corruption identification at bug report for > > software tag-based mode, the report show whether it is "use-after-free" > > or "out-of-bound" error instead of

[PATCH v3] kasan: add memory corruption identification for software tag-based mode

2019-06-13 Thread Walter Wu
This patch adds memory corruption identification at bug report for software tag-based mode, the report show whether it is "use-after-free" or "out-of-bound" error instead of "invalid-access" error.This will make it easier for programmers to see the memory corruption problem. Now we extend the

Re: [PATCH v3] kasan: add memory corruption identification for software tag-based mode

2019-06-13 Thread Andrey Ryabinin
On 6/13/19 4:05 PM, Dmitry Vyukov wrote: > On Thu, Jun 13, 2019 at 2:27 PM Andrey Ryabinin > wrote: >> On 6/13/19 11:13 AM, Walter Wu wrote: >>> This patch adds memory corruption identification at bug report for >>> software tag-based mode, the report show whether it is "use-after-free" >>>

Re: [PATCH v3] kasan: add memory corruption identification for software tag-based mode

2019-06-13 Thread Andrey Ryabinin
On 6/13/19 11:13 AM, Walter Wu wrote: > This patch adds memory corruption identification at bug report for > software tag-based mode, the report show whether it is "use-after-free" > or "out-of-bound" error instead of "invalid-access" error.This will make > it easier for programmers to see the

Re: [PATCH v3] kasan: add memory corruption identification for software tag-based mode

2019-06-13 Thread Dmitry Vyukov
On Thu, Jun 13, 2019 at 2:27 PM Andrey Ryabinin wrote: > On 6/13/19 11:13 AM, Walter Wu wrote: > > This patch adds memory corruption identification at bug report for > > software tag-based mode, the report show whether it is "use-after-free" > > or "out-of-bound" error instead of "invalid-access"