From 506ada89629ec7059b96ecfb0dc7d33ece0103ca Mon Sep 17 00:00:00 2001 From: Eduard Zingerman Date: Fri, 4 Sep 2026 17:05:56 -0700 Subject: bpf: mark a NULL kfunc argument precise check_kfunc_arg() allows bpf_register_is_null() for nullable arguments w/o marking the underlying scalar register precise. Hence a checkpoint created on such a path would prune against arbitrary scalar value. Fixes: 3bda08b63670 ("bpf: Allow NULL buffers in bpf_dynptr_slice(_rw)") Signed-off-by: Eduard Zingerman Link: https://lore.kernel.org/r/20260904-register-is-null-precise-fixes-v1-5-0f5a360ff15d@gmail.com Signed-off-by: Alexei Starovoitov --- arch/powerpc/boot/fixup-headers.sed | 12 ++++++++++++ 1 file changed, 12 insertions(+) create mode 100644 arch/powerpc/boot/fixup-headers.sed (limited to 'arch/powerpc/boot/fixup-headers.sed') diff --git a/arch/powerpc/boot/fixup-headers.sed b/arch/powerpc/boot/fixup-headers.sed new file mode 100644 index 000000000..96362428e --- /dev/null +++ b/arch/powerpc/boot/fixup-headers.sed @@ -0,0 +1,12 @@ +# Copyright 2016 IBM Corporation. +# +# This program is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License version 2 or later as +# published by the Free Software Foundation. + +s@#include @@; +s@\"zlib_inflate/\([^\"]*\).*@"\1"@; +s@@@; + +s@__used@@; +s@]*\).*@"\1"@; -- cgit v1.3.1