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SubjectRe: [PATCH v4 0/6] kasan: add workqueue and timer stack for generic KASAN
On Thu, Sep 24 2020 at 12:01, 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 workqueue. The same may stand for times.
> This patchset improves KASAN reports by making them to have workqueue
> queueing stack and timer stack information. It is useful for programmers
> to solve use-after-free or double-free memory issue.
> Generic KASAN also records the last two workqueue and timer stacks and
> prints them in KASAN report. It is only suitable for generic KASAN.
> [1]
> [2]

How are these links useful for people who do not have a gurgle account?

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