Hello:
This patch was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@xxxxxxxxxx>:
On Mon, 19 Sep 2022 22:48:11 +0800 you wrote:
> From: Hou Tao <houtao1@xxxxxxxxxx>
>
> llnode could be NULL if there are new allocations after the checking of
> c-free_cnt > c->high_watermark in bpf_mem_refill() and before the
> calling of __llist_del_first() in free_bulk (e.g. a PREEMPT_RT kernel
> or allocation in NMI context). And it will incur oops as shown below:
>
> [...]
Here is the summary with links:
- [bpf-next] bpf: Check whether or not node is NULL before free it in free_bulk
https://git.kernel.org/bpf/bpf-next/c/c31b38cb948e
You are awesome, thank you!
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