From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f78.google.com (mail-io1-f78.google.com [209.85.166.78]) (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 B313512F379 for ; Sat, 25 May 2024 23:09:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.78 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716678563; cv=none; b=GN7CwD5G3g7h6Z+sZ7MjASCrzLvvHj1p7zqGVYO72AEqzEbfPuXfDa0mmQeSJT0gipI1McakRPoOsKbwYyERYJ7FLCOjs3DdNVbDk+fxkixsgidIwpUmE43WFaMYTqtMgVECzbBZnC+UzwkEGDCSW4+y2l/FblrgJzc4NvxRJPY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716678563; c=relaxed/simple; bh=P9Ju22vDo4ehK2fg74jr8wilBGvJpTWtCODrWF5yXbM=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=L1Dxzi6nNm+1YNeGlD/vJ2DORPKC0LoUnHPLXaKOaeqVByvb8GRwZG+LxUZMPWqZXVRJTZZKh+qNua0sfXv4Domaf0e1/dFYLwqFKYmJ5hU0q2m7taOoqvLHUiw444rccftvLDmtCPkWzkrdjswsLtaevhEETVJ9KQ/N0opBt9U= 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=209.85.166.78 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-f78.google.com with SMTP id ca18e2360f4ac-7e25de500d2so436370439f.3 for ; Sat, 25 May 2024 16:09:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1716678561; x=1717283361; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=EXvm1BRPoDDQ1PtVnmKGKMJFHmcEADNxdlulxvcnIsQ=; b=UnrpDNFhOKwgvSvrGxaFYz+rzo/9K2qTMJVl4E9Ms4Erblo60xkjGJk8cUUnCHPa9V 6/Z1ZoUR35l4G7/p87hajEuBJt0NJcyy/kICyOG7nMmZCvBWsp0ptZ4tv2g1doSZS1UM Lz+1gU5w8B+TfcLnncRAlgITsbwn95I2txklPK3nZp05tQphDgrgsGfSyTUvqthKefSx 3Cu5752x6gYa3Ty1YDwW4Mnop3SoKXbOQqxpJGIN0Z3eChSbcuR/2XVeQfFgkEGEiAII 6BJqSTkwEjNfauq5EyaL4QLIW5l211YnzHjORLv9PSL80/6beXIX1sOd9mselQl0Wkt1 CRYw== X-Forwarded-Encrypted: i=1; AJvYcCW3UAxXZLTdWVTAc7OINbB7nR3nTAwqLOdSKCtEnEU3SKKZanppm1tQH3AEUYTBoj4s6q1bQr55GNAGLQQ72dmZa2mhyfTaL3krHX79 X-Gm-Message-State: AOJu0YyMoRwFWGeobzetcQgL6fYBBzgQrQS0uHDwdSVsdpIEizY0n0+H UgVTOS2+CW4TK+/mxcNOPuQ0vkBESO/IIJTeuifZVffy4gHHn19rFh7SdLFggXEX0/c6FNFVWUk V6xTQ5D6DnuYIem63tvWtzjDQ5Fi9rYSs2yiuyJEJieXSh4E4UTISz9A= X-Google-Smtp-Source: AGHT+IE1QwqyM/Xe95598eJ4YD/14LIpTGT3SBzPrORWFCdO4v3X14qSGTQnRm0QVA6aPL6K+eb/V34QRlpY4NarMIRpXwdPHoB8 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:14cb:b0:7de:e175:fd2d with SMTP id ca18e2360f4ac-7e8c75d4c18mr26200539f.3.1716678560487; Sat, 25 May 2024 16:09:20 -0700 (PDT) Date: Sat, 25 May 2024 16:09:20 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000cab78606194f5fcc@google.com> Subject: [syzbot] [jfs?] kernel BUG in txUpdateMap From: syzbot To: jfs-discussion@lists.sourceforge.net, linux-kernel@vger.kernel.org, shaggy@kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 2a8120d7b482 Merge tag 's390-6.10-2' of git://git.kernel.o.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=144e3042980000 kernel config: https://syzkaller.appspot.com/x/.config?x=5dd4fde1337a9e18 dashboard link: https://syzkaller.appspot.com/bug?extid=0a8a0b1abad0363db585 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: i386 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-2a8120d7.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/78c72ae6bdaf/vmlinux-2a8120d7.xz kernel image: https://storage.googleapis.com/syzbot-assets/99dbb805b738/bzImage-2a8120d7.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+0a8a0b1abad0363db585@syzkaller.appspotmail.com BUG at fs/jfs/jfs_txnmgr.c:2340 assert(mp->nohomeok == 1) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:2340! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 PID: 133 Comm: jfsCommit Not tainted 6.9.0-syzkaller-10713-g2a8120d7b482 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:txUpdateMap+0xc8b/0xd20 fs/jfs/jfs_txnmgr.c:2340 Code: e9 5c f9 ff ff e8 d5 fd 82 fe 48 c7 c1 00 f4 6a 8b ba 24 09 00 00 48 c7 c6 80 e7 6a 8b 48 c7 c7 c0 e7 6a 8b e8 c6 9d 63 fe 90 <0f> 0b 48 89 df e8 7b 32 e0 fe e9 e1 f8 ff ff e8 31 33 e0 fe e9 a8 RSP: 0000:ffffc900020c7ce0 EFLAGS: 00010286 RAX: 0000000000000039 RBX: ffff88805f267580 RCX: ffffffff816f3519 RDX: 0000000000000000 RSI: ffffffff816fc096 RDI: 0000000000000005 RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: ffffc900022ea120 R13: 0000000000000001 R14: ffffc900022ea124 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88802c000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f76f6e2f760 CR3: 00000000294c0000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline] jfs_lazycommit+0x5e6/0xb20 fs/jfs/jfs_txnmgr.c:2733 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txUpdateMap+0xc8b/0xd20 fs/jfs/jfs_txnmgr.c:2340 Code: e9 5c f9 ff ff e8 d5 fd 82 fe 48 c7 c1 00 f4 6a 8b ba 24 09 00 00 48 c7 c6 80 e7 6a 8b 48 c7 c7 c0 e7 6a 8b e8 c6 9d 63 fe 90 <0f> 0b 48 89 df e8 7b 32 e0 fe e9 e1 f8 ff ff e8 31 33 e0 fe e9 a8 RSP: 0000:ffffc900020c7ce0 EFLAGS: 00010286 RAX: 0000000000000039 RBX: ffff88805f267580 RCX: ffffffff816f3519 RDX: 0000000000000000 RSI: ffffffff816fc096 RDI: 0000000000000005 RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: ffffc900022ea120 R13: 0000000000000001 R14: ffffc900022ea124 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88802c100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7a37f24488 CR3: 00000000294c0000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup