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[2a01:cb08:8949:7e00:ddf7:d804:cf24:837b]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-43d1e4f843dsm17813285f8f.37.2026.04.03.14.05.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Apr 2026 14:05:49 -0700 (PDT) Date: Fri, 3 Apr 2026 23:05:47 +0200 From: Paul Chaignon To: Greg Kroah-Hartman Cc: stable@vger.kernel.org, Eduard Zingerman , Alexei Starovoitov , Shung-Hsi Yu Subject: Re: [PATCH stable 6.6 0/6] bpf: Fix bounds when ranges cross sign boundary Message-ID: References: Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Fri, Apr 03, 2026 at 05:33:59PM +0200, Paul Chaignon wrote: > As discussed in [1] yesterday, this series backports two sets of fixes > for BPF, with their selftests: > - 00bf8d0c6c9b ("bpf: Improve bounds when s64 crosses sign boundary") > - 26e5e346a52c ("selftests/bpf: Test cross-sign 64bits range > refinement") > - f96841bbf4a1 ("selftests/bpf: Test invariants on JSLT crossing sign") > - 5dbb19b16ac4 ("bpf: Add third round of bounds deduction") > - fbc7aef517d8 ("bpf: Fix u32/s32 bounds when ranges cross min/max > boundary") > - f81fdfd16771 ("selftests/bpf: test refining u32/s32 bounds when > ranges cross min/max boundary") > > Using Shung-Hsi's stable CI repo [2], I verified the BPF selftests pass > with these commits applied on top of v6.12. As hinted here, the subject prefix is incorrect. This series is meant for v6.12, not v6.6. Should I resend? > > 1: https://lore.kernel.org/stable/2026040240-friday-gurgling-7088@gregkh/ > 2: https://github.com/pchaigno/stable-bpf-ci/actions/runs/23940850516/job/69826632354 > > Eduard Zingerman (2): > bpf: Fix u32/s32 bounds when ranges cross min/max boundary > selftests/bpf: test refining u32/s32 bounds when ranges cross min/max > boundary > > Paul Chaignon (4): > bpf: Improve bounds when s64 crosses sign boundary > selftests/bpf: Test cross-sign 64bits range refinement > selftests/bpf: Test invariants on JSLT crossing sign > bpf: Add third round of bounds deduction > > kernel/bpf/verifier.c | 77 +++++++++ > .../selftests/bpf/prog_tests/reg_bounds.c | 62 ++++++- > .../selftests/bpf/progs/verifier_bounds.c | 159 +++++++++++++++++- > 3 files changed, 292 insertions(+), 6 deletions(-) > > -- > 2.43.0 >