From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 427873E1D05 for ; Tue, 10 Mar 2026 20:12:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773173525; cv=none; b=ftfzWuJBu9io9lQreKo4QiXPBHgECDnA3DugZOaBVrWTpazIou5oczBaWAzi129HnupR7qQDbizCXsiVsTUwdUNG105Qjf75hRby90JzlhyYZ+UC1WwPePUtCaAohi/t36tFFrWXGazVSZjceZZvXKUE+U9HCKmbowoZIIfnV9M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773173525; c=relaxed/simple; bh=uC2+ObaW1fF867gFmFF20zzqE9pv12oYZnF3AYq58GU=; h=Date:To:From:Subject:Message-Id; b=q8hKAZMBaE2yGvA3bPjdppGzUOvxnNi2diMtpV8PQheDLo72O+x4wfxaqsq0qbEYngBFCJdipDfx177G/cJPMzSkJXjNwZI2z6dDmr9IKZmMkVEettUKOdSzPfKtS+P+cj4FeVA88bNNiTcyNZBn8XLIQk8hM/dXkhT+UYqc0YA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=Omo+fTRW; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="Omo+fTRW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F142EC19423; Tue, 10 Mar 2026 20:12:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1773173525; bh=uC2+ObaW1fF867gFmFF20zzqE9pv12oYZnF3AYq58GU=; h=Date:To:From:Subject:From; b=Omo+fTRWoEitR3345EnjYUpmiCQzIQkYyfa3S9s4dEx1HODO7O9QuMl//eaJUsshP W4DmTGLX1hkN/MPEb2KZeUNKWxhDsIOzluXD1DYbNKQFqLjRvXh4Op4KwN6DM8xOIy 3hdhx999ubLTCUWeHk9neKRmgsqfj0WJcsNWfdO8= Date: Tue, 10 Mar 2026 13:12:04 -0700 To: mm-commits@vger.kernel.org,viro@zeniv.linux.org.uk,rppt@kernel.org,oleg@redhat.com,neil@brown.name,mingo@kernel.org,lorenzo.stoakes@oracle.com,liam.howlett@oracle.com,ebiederm@xmission.com,bvanassche@acm.org,brauner@kernel.org,ethantidmore06@gmail.com,akpm@linux-foundation.org From: Andrew Morton Subject: [merged] proc-fix-pointer-error-dereference.patch removed from -mm tree Message-Id: <20260310201204.F142EC19423@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The quilt patch titled Subject: proc: fix pointer error dereference has been removed from the -mm tree. Its filename was proc-fix-pointer-error-dereference.patch This patch was dropped because it was merged into mainline or a subsystem tree ------------------------------------------------------ From: Ethan Tidmore Subject: proc: fix pointer error dereference Date: Thu, 19 Feb 2026 16:10:01 -0600 The function try_lookup_noperm() can return an error pointer. Add check for error pointer. Detected by Smatch: fs/proc/base.c:2148 proc_fill_cache() error: 'child' dereferencing possible ERR_PTR() Link: https://lkml.kernel.org/r/20260219221001.1117135-1-ethantidmore06@gmail.com Fixes: 61a28784028e ("[PATCH] proc: Remove the hard coded inode numbers") Signed-off-by: Ethan Tidmore Cc: Al Viro Cc: Bart van Assche Cc: Christian Brauner Cc: Eric Biederman Cc: Ingo Molnar Cc: Liam Howlett Cc: Lorenzo Stoakes Cc: Mike Rapoport Cc: NeilBrown Cc: Oleg Nesterov Signed-off-by: Andrew Morton --- fs/proc/base.c | 3 +++ 1 file changed, 3 insertions(+) --- a/fs/proc/base.c~proc-fix-pointer-error-dereference +++ a/fs/proc/base.c @@ -2128,6 +2128,9 @@ bool proc_fill_cache(struct file *file, ino_t ino = 1; child = try_lookup_noperm(&qname, dir); + if (IS_ERR(child)) + goto end_instantiate; + if (!child) { DECLARE_WAIT_QUEUE_HEAD_ONSTACK(wq); child = d_alloc_parallel(dir, &qname, &wq); _ Patches currently in -mm which might be from ethantidmore06@gmail.com are