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[192.26.29.3]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48fe4c88495sm102893375e9.4.2026.05.15.20.53.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 May 2026 20:53:20 -0700 (PDT) Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Sat, 16 May 2026 05:53:20 +0200 Message-Id: Cc: "Alexei Starovoitov" , "Andrii Nakryiko" , "Daniel Borkmann" , , "Martin KaFai Lau" Subject: Re: [PATCH bpf-next v3 7/7] selftests/bpf: Add exception tests with stack arguments From: "Kumar Kartikeya Dwivedi" To: "Yonghong Song" , X-Mailer: aerc 0.21.0 References: <20260515225035.821178-1-yonghong.song@linux.dev> <20260515225111.825224-1-yonghong.song@linux.dev> In-Reply-To: <20260515225111.825224-1-yonghong.song@linux.dev> On Sat May 16, 2026 at 12:51 AM CEST, Yonghong Song wrote: > Add tests to verify that bpf_throw() correctly unwinds the stack > when the program uses outgoing stack arguments (functions with >5 > args). Without the preceding fix, these tests crash the kernel > due to corrupted callee-saved register restore. > > Signed-off-by: Yonghong Song > --- Acked-by: Kumar Kartikeya Dwivedi > [...]