B4/hello world - #13232
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Signed-off-by: Mykyta Yatsenko <yatsenko@meta.com>
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{
"series": {
"revision": 1,
"change-id": "20260812-hello_world-2b03ed2aa5b4",
"prefixes": []
}
}
arm64 passes zero as the stack pointer while walking BPF frames, so bpf_throw() leaves stale KASAN stack poison after jumping to the exception callback. Use the frame pointer as the fallback stack watermark. Fixes: e74cb1b ("arm64: stacktrace: Implement arch_bpf_stack_walk() for the BPF JIT") Signed-off-by: Mykyta Yatsenko <yatsenko@meta.com>
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