From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0F471606CFCD for ; Thu, 12 Nov 2026 17:38:20 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id B6872415D7; Thu, 12 Nov 2026 18:38:18 +0100 (CET) Received: from inbox.dpdk.org (inbox.dpdk.org [95.142.172.178]) by mails.dpdk.org (Postfix) with ESMTPS id 0851E40E32 for ; Thu, 12 Nov 2026 18:38:17 +0100 (CET) Received: by inbox.dpdk.org (Postfix, from userid 33) id 026384D172; Thu, 12 Nov 2026 18:38:17 +0100 (CET) From: bugzilla@dpdk.org To: dev@dpdk.org Subject: [DPDK/core Bug 2111] eal: rte_dev_probe() rollback can call local_dev_remove(NULL) Date: Thu, 12 Nov 2026 17:38:17 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: DPDK X-Bugzilla-Component: core X-Bugzilla-Version: 26.11 X-Bugzilla-Keywords: X-Bugzilla-Severity: minor X-Bugzilla-Who: stephen@networkplumber.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: Normal X-Bugzilla-Assigned-To: dev@dpdk.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter target_milestone Message-ID: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 X-Bugzilla-URL: https://bugs.dpdk.org/ Auto-Submitted: auto-generated X-Auto-Response-Suppress: All X-Archived-By: MIME-Version: 1.0 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Archive: List-Post: List-Help: List-Subscribe: , X-Spam-Status: No, score=-4.0 required=3.0 tests=BAYES_00,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 https://bugs.dpdk.org/show_bug.cgi?id=3D2111 Bug ID: 2111 Summary: eal: rte_dev_probe() rollback can call local_dev_remove(NULL) Product: DPDK Version: 26.11 Hardware: All OS: All Status: UNCONFIRMED Severity: minor Priority: Normal Component: core Assignee: dev@dpdk.org Reporter: stephen@networkplumber.org Target Milestone: --- local_dev_probe() sets *new_dev =3D NULL (lib/eal/common/eal_common_dev.c:1= 86) and can return at :252 without setting it. rte_dev_probe() continues on -EE= XIST (:321); if the secondary sync then fails it reaches rollback: and calls local_dev_remove(dev) (:369) with dev =3D=3D NULL, which dereferences it (:= 405). Narrow path. --=20 You are receiving this mail because: You are the assignee for the bug.=