Re: [PATCH v3 0/6] kasan: add workqueue and timer stack for generic KASAN

2020-09-15 Thread Walter Wu
On Mon, 2020-09-14 at 14:25 +0200, Andrey Konovalov wrote: > On Sun, Sep 13, 2020 at 12:17 PM Dmitry Vyukov > wrote: > > On Wed, Aug 26, 2020 at 2:30 PM 'Andrey Konovalov' via > kasan-dev > wrote: > > > > On Tue, Aug 25, 2020 at 10:26 AM 'Marco Elver' via

Re: [PATCH v3 0/6] kasan: add workqueue and timer stack for generic KASAN

2020-09-13 Thread Dmitry Vyukov
On Wed, Aug 26, 2020 at 2:30 PM 'Andrey Konovalov' via kasan-dev wrote: > > On Tue, Aug 25, 2020 at 10:26 AM 'Marco Elver' via kasan-dev > wrote: > > > > On Tue, 25 Aug 2020 at 03:57, Walter Wu wrote: > > > > > > Syzbot reports many UAF issues for workqueue or timer, see [1] and [2]. > > > In

Re: [PATCH v3 0/6] kasan: add workqueue and timer stack for generic KASAN

2020-08-26 Thread Andrey Konovalov
On Tue, Aug 25, 2020 at 10:26 AM 'Marco Elver' via kasan-dev wrote: > > On Tue, 25 Aug 2020 at 03:57, Walter Wu wrote: > > > > Syzbot reports many UAF issues for workqueue or timer, see [1] and [2]. > > In some of these access/allocation happened in process_one_work(), > > we see the free stack

Re: [PATCH v3 0/6] kasan: add workqueue and timer stack for generic KASAN

2020-08-25 Thread Marco Elver
On Tue, 25 Aug 2020 at 03:57, Walter Wu wrote: > > Syzbot reports many UAF issues for workqueue or timer, see [1] and [2]. > In some of these access/allocation happened in process_one_work(), > we see the free stack is useless in KASAN report, it doesn't help > programmers to solve UAF on

[PATCH v3 0/6] kasan: add workqueue and timer stack for generic KASAN

2020-08-24 Thread Walter Wu
Syzbot reports many UAF issues for workqueue or timer, see [1] and [2]. In some of these access/allocation happened in process_one_work(), we see the free stack is useless in KASAN report, it doesn't help programmers to solve UAF on workqueue. The same may stand for times. This patchset improves