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Tue, 23 Dec 2025 09:26:15 -0800 (PST) From: =?UTF-8?q?Jean-Christian=20C=C3=8ERSTEA?= To: qemu-devel@nongnu.org Cc: laurent@vivier.eu, =?UTF-8?q?Jean-Christian=20C=C3=8ERSTEA?= Subject: [PATCH 1/1] linux-user: allow null `pathname` for statx()/fstatat() Date: Tue, 23 Dec 2025 19:25:48 +0200 Message-ID: <20251223172548.1847032-2-jean.christian.cirstea@gmail.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251223172548.1847032-1-jean.christian.cirstea@gmail.com> References: <20251223172548.1847032-1-jean.christian.cirstea@gmail.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 (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=2a00:1450:4864:20::631; envelope-from=jean.christian.cirstea@gmail.com; helo=mail-ej1-x631.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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_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: 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: 1766510826866158500 Since Linux 6.11, the path argument may be NULL. Signed-off-by: Jean-Christian C=C3=8ERSTEA Reviewed-by: Laurent Vivier --- linux-user/syscall.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 2060e561a2..e1b61f6dc5 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -12142,7 +12142,8 @@ static abi_long do_syscall1(CPUArchState *cpu_env, = int num, abi_long arg1, int flags =3D arg3; =20 p =3D lock_user_string(arg2); - if (p =3D=3D NULL) { + /* Since Linux 6.11, the path argument may be NULL */ + if (arg2 !=3D 0 && p =3D=3D NULL) { return -TARGET_EFAULT; } #if defined(__NR_statx) --=20 2.51.0