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 CB9C4168AFC for ; Fri, 10 May 2024 10:47:04 +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=1715338027; cv=none; b=oU5VRZYuDevLCVjyambL7BPHtXmb/fH7qeoQaZ/WU+xdkcCSevFGg0ybkuVqIJ8uU8sbxboSLxFbjlX9xPopoSijGmr4iHeKhIgJkhoW5R7MEvUXbYDX0lbExXovqDpokbSHpstBDwO0RBPQFTbyiMrsY+OKSkYCRVzrszuNNvk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715338027; c=relaxed/simple; bh=4IR71LSKHqdD2PrhC/35SukAjxHdT8JkA1/lUYr/lF4=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=LH79w+KDs/xXnMS4m7Qvf14nmjzAxtwoECNb8p3wjjNMTTxXSQ9Wr/yaMq6Xxq/QE4pRfOCUvydKbZQLBqZjgohv6amiWdRsmQrOqupHhKXV5KqDk1/fsOGRdWTJ9O/6fU7X9gCZs6sq0/s7YlBHvSybSxmNHyhyLFy0Iozrv78= 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-7e1ac2fbcb7so166059539f.0 for ; Fri, 10 May 2024 03:47:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1715338024; x=1715942824; 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=3FiAKESNENHUiEn6PKLEqu2bawiPoKG+5rdZhioF0VE=; b=Y9eLu3FENQLuxI4Tbo/qNfL11vO5lXqb3G9Vc0ELJ8ma2FRmoLaU5pZd6r8xeV6tf8 dXlFO4m9yi/LfxCkZVpKM7FJ2WuBbHxdeBpmHNUcBgm9A5pzXVPp+3JFdM3I6csYBAR1 VQgUTxHD/nxGT/jnD1LwkpABJh349Pc5Jrw7AMQVzQ6sLt/UGM15ISV/23VUfcm6emrS uYomU+yHR+2aC294L4JESvwK+1V0eGy8Au3a0caEHKBEi8X4E8Al9cKBeSy73ZRH9AE+ k2FWbKqm35QMz+6Jun3MmNxZEA12E2OpWRjo3NlGicyiZiykbeKR0ahlosmbNu320++s XpLQ== X-Forwarded-Encrypted: i=1; AJvYcCViIE/Gbq64bColwdGa0pj0twl9xsJCTyjKsCLyYDmeFREgsAvNbJgcfuyztx+ja76fbbNONRYtjPEG9PTmsaDtovvJ8np1KGMrhL3q X-Gm-Message-State: AOJu0YzLfOAl/XFtOK8qXn3rHIclm8pAgfdeXX96iKsbcKthkUODdXhQ Bfv4bsXBjhUDzfJiZ4zGR0tOUcbG1Ycs83Y/pRubDBOWtzSKRLdsv/8UQ97WDhJkVwWG+a5MHbR KEBarKTZlVQxJxqCcwtjDkhFrhFwSRuDngJUlg5DY9ntEPEiaay1ylVs= X-Google-Smtp-Source: AGHT+IFeUb5Qzx9N0wYsz/Xj6vaadHHDkOjbS/et6yGxp1prheSgdBwwSqVqOIN/jmBBXdiOp7riWDmHbUvRlkZueM521cg45WPx Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6638:379a:b0:488:d489:3940 with SMTP id 8926c6da1cb9f-48958c05a44mr125386173.3.1715338024009; Fri, 10 May 2024 03:47:04 -0700 (PDT) Date: Fri, 10 May 2024 03:47:04 -0700 In-Reply-To: <20240510102643.2517-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000975906061817416b@google.com> Subject: Re: [syzbot] [kernfs?] possible deadlock in kernfs_seq_start From: syzbot To: hdanton@sina.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+4c493dcd5a68168a94b2@syzkaller.appspotmail.com Tested on: commit: dccb07f2 Merge tag 'for-6.9-rc7-tag' of git://git.kern.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git console output: https://syzkaller.appspot.com/x/log.txt?x=17eb2c00980000 kernel config: https://syzkaller.appspot.com/x/.config?x=9d7ea7de0cb32587 dashboard link: https://syzkaller.appspot.com/bug?extid=4c493dcd5a68168a94b2 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=170c6a6c980000 Note: testing is done by a robot and is best-effort only.