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Thu, 19 Mar 2026 16:25:42 -0700 (PDT) From: alistair23@gmail.com X-Google-Original-From: alistair.francis@wdc.com To: qemu-devel@nongnu.org Cc: alistair23@gmail.com, Djordje Todorovic , Djordje Todorovic , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Alistair Francis Subject: [PULL 02/17] target/riscv: Fix null pointer dereference in cpu_set_exception_base Date: Fri, 20 Mar 2026 09:25:07 +1000 Message-ID: <20260319232522.1867400-3-alistair.francis@wdc.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260319232522.1867400-1-alistair.francis@wdc.com> References: <20260319232522.1867400-1-alistair.francis@wdc.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::629; envelope-from=alistair23@gmail.com; helo=mail-pl1-x629.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1773962783947158500 From: Djordje Todorovic Add missing return statement after logging the error when cs is NULL. Without this, the function continues to dereference the null pointer. Resolves: Coverity CID 1644077 Signed-off-by: Djordje Todorovic Reviewed-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Alistair Francis Message-ID: <20260115130110.2825796-3-djordje.todorovic@htecgroup.com> Signed-off-by: Alistair Francis --- target/riscv/cpu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index e56470a374..9be79622f4 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -83,6 +83,7 @@ void cpu_set_exception_base(int vp_index, target_ulong ad= dress) qemu_log_mask(LOG_GUEST_ERROR, "cpu_set_exception_base: invalid vp_index: %u", vp_index); + return; } cpu =3D RISCV_CPU(cs); cpu->env.resetvec =3D address; --=20 2.53.0