Re: [PATCH 5.15.y] bpf: Convert BPF_DISPATCHER to use static_call() (not ftrace)

From: kovalev
Date: Thu Feb 15 2024 - 07:52:33 EST


29.01.2024 21:01, kovalev@xxxxxxxxxxxx wrote:
From: Peter Zijlstra <peterz@xxxxxxxxxxxxx>

[ Upstream commit c86df29d11dfba27c0a1f5039cd6fe387fbf4239 ]

[...]

This patch fix warning in ftrace_verify_code (found Syzkaller), see log and the C reproduccer by link:

https://lore.kernel.org/bpf/87f74eab-ae51-08a4-5b7e-261f437146f4@xxxxxxxxxx/T/#maac87a6679825bbe8a14a2ec2ec4cf94681aa885

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Regards,
Vasiliy Kovalev