On Mon, 21 Sep 2026 12:51:50 +0530, Shrikanth Hegde wrote:
> Michal reported a stack-protector failure and subsequent panic when
> running kernel builds. This was observed with full/lazy preemption.
> Initially it was suspected as KVM, but later turned out to be due
> to a bcc tool running in parallel.
>
> Issue was recreated using a bcc tool.
> For example, running below in parallel leads to crash.
> ./funccount sched* -d 100 and make -j 64
>
> [...]
Applied to powerpc/next.
[1/1] powerpc/ftrace: Don't restore r13 during ftrace_regs_caller
https://git.kernel.org/powerpc/c/af5f0870883ae4aea7f668d06cbb7ad0e12824c8
cheers
