From nobody Wed May 18 02:46:18 2022 X-Original-To: bugs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 58ACC1AD887F for ; Wed, 18 May 2022 02:46:19 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4L2y6g0lBPz3pSw for ; Wed, 18 May 2022 02:46:19 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id EA76F20C57 for ; Wed, 18 May 2022 02:46:18 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 24I2kIjc033195 for ; Wed, 18 May 2022 02:46:18 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 24I2kIC5033194 for bugs@FreeBSD.org; Wed, 18 May 2022 02:46:18 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 264055] null pointer dereference in bhnd_erom_iores_new() Date: Wed, 18 May 2022 02:46:18 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: Unspecified X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: ruc_gongyuanjun@163.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org 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 attachments.created Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Bug reports List-Archive: https://lists.freebsd.org/archives/freebsd-bugs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-bugs@freebsd.org MIME-Version: 1.0 ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1652841979; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=EcOD/VLIzIW2JM1sAYSbTXwP1hyDVqS8Ma1wzsTDQVk=; b=KfhVr8/9UudxFic3wDWxnBm1bHzn/iJyJaRyD20k6sD1YpKKoBqO5ML3n4eqBImPwGVA3n ccl0KspjpGziGnGCxsjdKcIOfflBUHeeAzQbPyrUiBlmcl+oj42f2sqzU6K2HdtsU8qQWz Dm5+Cr87c9f6GSW41eugL54C+chuoZBdGhZDWJbuf3W3BR8IaRNrk14l/0ptS1UJq7fORA xUaOHF+Q86alKgOW45BcH1X7pbZsVZhn3auPYfD8sDL1KEIsncuvgUzRJnpZ8Po4ZhIQxN 7DL5UnoIVbvAGJLSAWENDs4AfrOvSbHP1qpreq1QYrAXwYPv74Z5A8tiFp2EmA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1652841979; a=rsa-sha256; cv=none; b=ud4a0PxjU2uOw5vcI4Z8omBuRSJsICFvAtfot/qnMuMxmisZCgAqzC3bbepfYRO3et1+Si oqOHaVnNd8KVDgcWnAetM5OZgPbIwnuJqQWPxmRd3WW2oC9XDq9kWJOCcEjEJsVmsTLaW7 SIyK5D70Q12ecDjG/Yzbtg+kIMIJcvwfbxB6/0TmQs//z746kKJkEFfbarzYNXVSQ0wExr b+mcxlGgMIVSTxOXKnNTrJcGkPbDbTXKzLZp39kiwsbHxe5LTDKjLv/2bPllmhgzg9hUAI a8Whgd9reOc3/CJArRS3on4DFmsrY/Q5rrQweaJGAykUn16K/Zmpxx63FrL28w== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D264055 Bug ID: 264055 Summary: null pointer dereference in bhnd_erom_iores_new() Product: Base System Version: Unspecified Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: ruc_gongyuanjun@163.com Created attachment 234008 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D234008&action= =3Dedit a possible patch In bhnd_erom_iores_new(), the failure of malloc can cause a null pointer dereference, fix it with a check. Check the result of bhnd_erom_iores_new when it is called. If malloc fails, bhnd_erom_iores_new returns null and the caller fails. --=20 You are receiving this mail because: You are the assignee for the bug.=