[Kernel] Re: [PATCH OpenHarmony-4.19 04/17] selftests/bpf: add selftest part of "bpf: improve verifier branch analysis"

在 2021/7/31 11:14, Yu Changchun 写道:

From: Ovidiu Panait

stable inclusion from linux-4.19.193 commit c905bfe767e98a13dd886bf241ba9ee0640a53ff category: bugfix issue: #I42H19 CVE: NA

--------------------------------

Backport the missing selftest part of commit 7da6cd690c43 ("bpf: improve verifier branch analysis") in order to fix the following test_verifier failures:

... Unexpected success to load! 0: (b7) r0 = 0 1: (75) if r0 s>= 0x0 goto pc+1 3: (95) exit processed 3 insns (limit 131072), stack depth 0 Unexpected success to load! 0: (b7) r0 = 0 1: (75) if r0 s>= 0x0 goto pc+1 3: (95) exit processed 3 insns (limit 131072), stack depth 0 ...

The changesets apply with a minor context difference.

Fixes: 7da6cd690c43 ("bpf: improve verifier branch analysis") Signed-off-by: Ovidiu Panait Signed-off-by: Greg Kroah-Hartman Signed-off-by: Yang Yingliang Signed-off-by: Yu Changchun ---

Looks good to me