Re: [PATCH bpf v6] bpf, cgroup: Fix storage null-ptr-deref after replacing prog
| Newsgroups | org.kernel.vger.bpf,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <178614301665.2448714.16771338876998687568.git-patchwork-notify@kernel.org> |
Hello: This patch was applied to bpf/bpf-next.git (master) by Andrii Nakryiko <[email protected]>: On Fri, 7 Aug 2026 10:44:03 +0000 you wrote: > From: Pu Lehui <[email protected]> > > Syzkaller reported a storage null-ptr-deref issue after replacing prog. > This occurs in the following scenario: > 1. prog A, an empty prog, is attached to a cgrp. > 2. prog B uses BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE and calls the > bpf_get_local_storage helper. > 3. link_update is called to replace prog A with prog B. > > [...] Here is the summary with links: - [bpf,v6] bpf, cgroup: Fix storage null-ptr-deref after replacing prog https://git.kernel.org/bpf/bpf-next/c/3f562c537e9e You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html