From: Jakub Kicinski <kuba@kernel.org>
To: Mina Almasry <almasrymina@google.com>
Cc: "dongchenchen (A)" <dongchenchen2@huawei.com>,
hawk@kernel.org, ilias.apalodimas@linaro.org,
davem@davemloft.net, edumazet@google.com, pabeni@redhat.com,
horms@kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, zhangchangzhong@huawei.com
Subject: Re: [BUG Report] KASAN: slab-use-after-free in page_pool_recycle_in_ring
Date: Mon, 19 May 2025 15:47:23 -0700 [thread overview]
Message-ID: <20250519154723.4b2243d2@kernel.org> (raw)
In-Reply-To: <CAHS8izPh5Z-CAJpQzDjhLVN5ye=5i1zaDqb2xQOU3QP08f+Y0Q@mail.gmail.com>
On Mon, 19 May 2025 12:20:59 -0700 Mina Almasry wrote:
> Clearly this is not working, but I can't tell why.
I think your fix works but for the one line that collects recycling
stats. If we put recycling stats under the producer lock we should
be safe.
next prev parent reply other threads:[~2025-05-19 22:47 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-13 8:31 [BUG Report] KASAN: slab-use-after-free in page_pool_recycle_in_ring Dong Chenchen
2025-05-13 20:06 ` Mina Almasry
2025-05-13 21:21 ` Jakub Kicinski
2025-05-14 3:10 ` dongchenchen (A)
2025-05-19 19:20 ` Mina Almasry
2025-05-19 22:47 ` Jakub Kicinski [this message]
2025-05-20 0:53 ` Mina Almasry
2025-05-20 18:06 ` Jakub Kicinski
2025-05-22 15:17 ` dongchenchen (A)
2025-05-22 15:47 ` Jakub Kicinski
2025-05-23 1:52 ` dongchenchen (A)
2025-05-22 15:04 ` dongchenchen (A)
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