From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 62CA4203700 for ; Tue, 29 Oct 2024 08:15:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730189706; cv=none; b=PEyWQxmgPYYKJ8MmmPBT8xxBNILtenVExCutNmAxe6oh3zPGBEtfUGqT76+gkCWCqY2fH99fXfYcK/oeJRy0BEEdQzGd3H4guXF22zEkNQ73hDM7E8WwqMW/EkabNAtDm49MBe8xjErZdSirxpIzOoe7/keep8YRx45SGJIyDq0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730189706; c=relaxed/simple; bh=jVZI0IwpcekhbnfOrIbgBgWJzqVFKuVUtoIm9N+jkVc=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=O6TtV6pRMpRAy8GVkHVYtzX1DOu4PAvrcwMvgcItFHbTcEu39Eab3442sZH8hEEaerf4IJMHYTadDLEGrOvpC4bjPP4iE7f/s2bpvD1T0DTP+Cg/BMi80ASrkPcLNivk5CKBNuY5zjvTY1yKrR0rbPbKX9DOV39F4n6VVAlVYQs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.71 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-io1-f71.google.com with SMTP id ca18e2360f4ac-83aba93c01bso496969639f.2 for ; Tue, 29 Oct 2024 01:15:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730189703; x=1730794503; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=5BTRHXytTFWgdZnYL2thO68nzA3wtruqd8M7jFd6tO8=; b=pc2pTNulRbL9LqA2C15KabL8ZenJkBpZpEYNPmg+BlPW/dcsLISrtWOxckMRZVJjB1 Vwh/w3s7FQWTM/kyPYfhoe9VnXEbr2nsDAfr2mKK4FHRUQ2m/LhSxYMUqFeNXeboUaKY HLIVovQ2YizYsWXTN4wd92fXi5Zm7lbrUn09N0wczd8qs0bIx6hbHZmgT4xB01iFk2/m RTYNKRlYCBR6UQ+YnxAnu6/KWwfUz9NmIhDP928wh/MObg51NBW0S2++cykbPOk9IVp7 2AoIex2dkNqx1oTi4OYQema0mppgj5ZGogLxySWfVGsyEilq8zRBRgFp7L5XGk4jThVc aypA== X-Forwarded-Encrypted: i=1; AJvYcCV/etPKVQBp92u5IBsQWAnzOUtQh4WxxuRcpQQq8n/UZfX7Ya2kJB14zd1zCjcpI6d2bgFVzMd9qFDbybI=@vger.kernel.org X-Gm-Message-State: AOJu0Yy1JgSd0pa5GcnkBKvzuwYWQBVLcnqTo3Ujkr08fI814nezzTWT NOPjICBUPzrpRXYeqtUT1Y4ZQ3c/4AfWRc2gd5QTMSmJOfYZT55zzB16uvUntjIuta5VkdxWL1f hJ659tSxqEuu97MqBQa66gIUMpERNRpEV8x0BNKbPuM4ctem+8RMdqFY= X-Google-Smtp-Source: AGHT+IG8VvCIkrmNvSQH+kmC4iRLaOd+tCtOspcugELt4BK972V9xSrn5cpBxJ3eE49Xr5ZBxahDDGO4yGtK5fLRSCzt9o8VN2t+ Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:b49:b0:3a0:b631:76d4 with SMTP id e9e14a558f8ab-3a4ed2663ecmr114857565ab.1.1730189703613; Tue, 29 Oct 2024 01:15:03 -0700 (PDT) Date: Tue, 29 Oct 2024 01:15:03 -0700 In-Reply-To: <66ed861a.050a0220.2abe4d.0015.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67209987.050a0220.4735a.0258.GAE@google.com> Subject: Re: [syzbot] [netfs?] KASAN: slab-use-after-free Read in iov_iter_advance From: syzbot To: aha310510@gmail.com, brauner@kernel.org, dhowells@redhat.com, hdanton@sina.com, jlayton@kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, mathieu.desnoyers@efficios.com, mhiramat@kernel.org, netfs@lists.linux.dev, oliver.sang@intel.com, rostedt@goodmis.org, stfrench@microsoft.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit df9b455633aee0bad3e5c3dc9fc1c860b13c96d2 Author: David Howells Date: Thu Sep 26 13:58:30 2024 +0000 netfs: Fix write oops in generic/346 (9p) and generic/074 (cifs) bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12c2eca7980000 start commit: a430d95c5efa Merge tag 'lsm-pr-20240911' of git://git.kern.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=d85e1e571a820894 dashboard link: https://syzkaller.appspot.com/bug?extid=7c48153a9d788824044b syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1511a607980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10c7d69f980000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: netfs: Fix write oops in generic/346 (9p) and generic/074 (cifs) For information about bisection process see: https://goo.gl/tpsmEJ#bisection