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 C4884148FE4 for ; Wed, 3 Apr 2024 14:13:27 +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=1712153609; cv=none; b=ROhukyqB29OhTXoBXRZ+9hTQskPimk9yozmKJQGUWqlzf8PKPVrNgq4mUIhpfCCV/MoNVmzqSFTPK9Id9epBwA6FVit0P/NGoxbVV8O9wZNiPdoE05bgqtFsSP/gb94cm30knbJD4JXVkZcuVdgS88hSt2xq2JMTzPQDk//Izv8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712153609; c=relaxed/simple; bh=5DR/t+BsaDUCVW5prg2iwvZWIXMUfk6LhbxcZ3ijnrg=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=SKWuBasNEZTtmZYxBIFpp/k9fTgrMuzbrhTPcqy0PANsjI4U01SoD15s0JEPtmtjl8N7HU/vKmxEoCuvg/ZAtWGKMdNwEBKE0kL26ET4XAwchqcJI1mCu63pb5mM09xEChK4KVZozs1bxC3VoeLb/8AV6n8np7lTG4E7MqvfSzM= 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-7cbef888187so646713139f.2 for ; Wed, 03 Apr 2024 07:13:27 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1712153607; x=1712758407; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=E/LC2AfzSgMN/aIrxG5qCbuvNJ5E86gGDFwmj4kDzNc=; b=h15wyZqkRIN8bZrGcKzagT/KgqqVo1IncVlFgXLLukp/TxvHhp/5SS+XZLI3C2VyOQ PekH2n5q6lIw0GvKE2gS4xaRE4tgXfU9FGDnW98Tk+dUaqHVQ8OYziUq+lGpur3udAFB 5LSV26cjRps3pv2la+BGDFmUozVIL+/g17I+Cd1rqbITSyWp1WFzH0E15Ht5JEx9lwFI BJpXd/ZcT/pvDoWzJtA954/L4BlllVe/vovHNpr/pfVfjHCUOa0sojvCix4FVsHuo3Mm an25bd/SuFaGNy9SXMuRzmbu5I0KxbTu5RKd2ZoxV8Uqt+KAb53UdJZAo6ESdjP5rcNV n+tQ== X-Forwarded-Encrypted: i=1; AJvYcCWuFHA/rK8Z5ke9APV3LNj8C3tCVk95m4eZOX0sClOkJ5BSx7CxVYYVx1I4lvAve/FplvU35EAVP40N/c1StywRAXmhKLKpgg3G3+bKDQ== X-Gm-Message-State: AOJu0YwByo0/z7xLtuVI1qXRyoXlCeZekMu+Ogc0vNh4yB6M8ZIv6Mdl +ddwuXJwmoGPjGeNT3zqTe6Tg4dZ9BUQNbq61v/2HqmdqvVt/eGW5Iy21TmfiZD0RgfvnS4Utgz wfCBeJCLIU2hHwbSl7rKfQSMLU7eNMVK0rwqYJwv4KH987b6Uve2rDXw= X-Google-Smtp-Source: AGHT+IG8phdUlgV6M4xc4LFRG2yKRIoRM1We8PHkXQgRRGKFa0cGdJOLCHWmbpSc6I1+20iiAE5xfiD9wV6GCiuAwOAgbOPZad0i Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6638:2b0b:b0:47e:cfc4:319e with SMTP id fm11-20020a0566382b0b00b0047ecfc4319emr1158749jab.4.1712153606980; Wed, 03 Apr 2024 07:13:26 -0700 (PDT) Date: Wed, 03 Apr 2024 07:13:26 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000008bbf19061531d31a@google.com> Subject: [syzbot] [jffs2?] kernel BUG in jffs2_del_ino_cache From: syzbot To: dwmw2@infradead.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org, richard@nod.at, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: fe46a7dd189e Merge tag 'sound-6.9-rc1' of git://git.kernel.. git tree: upstream console+strace: https://syzkaller.appspot.com/x/log.txt?x=13f5f003180000 kernel config: https://syzkaller.appspot.com/x/.config?x=fe78468a74fdc3b7 dashboard link: https://syzkaller.appspot.com/bug?extid=44664704c1494ad5f7a0 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=166276c5180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12049423180000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/0f7abe4afac7/disk-fe46a7dd.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/82598d09246c/vmlinux-fe46a7dd.xz kernel image: https://storage.googleapis.com/syzbot-assets/efa23788c875/bzImage-fe46a7dd.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+44664704c1494ad5f7a0@syzkaller.appspotmail.com jffs2: notice: (5072) jffs2_build_xattr_subsystem: complete building xattr subsystem, 0 of xdatum (0 unchecked, 0 orphan) and 0 of xref (0 dead, 0 orphan) found. ------------[ cut here ]------------ kernel BUG at fs/jffs2/nodelist.c:462! invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 5072 Comm: syz-executor610 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:jffs2_del_ino_cache+0x2c6/0x2d0 fs/jffs2/nodelist.c:462 Code: ff e9 64 ff ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 51 fe ff ff 4c 89 e7 e8 25 54 06 ff e9 44 fe ff ff e8 2b 05 a3 fe 90 <0f> 0b 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc90004527958 EFLAGS: 00010293 RAX: ffffffff82f1f025 RBX: ffff88807ca31000 RCX: ffff888011a50000 RDX: 0000000000000000 RSI: ffff88807ca31000 RDI: ffff88802283a000 RBP: ffff88807ca31020 R08: ffff88802283a36b R09: 1ffff1100450746d R10: dffffc0000000000 R11: ffffed100450746e R12: ffff88807ca31000 R13: ffff888077a080b8 R14: dffffc0000000000 R15: ffff88802283a000 FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000000 CR3: 00000000760e0000 CR4: 0000000000350ef0 Call Trace: jffs2_do_clear_inode+0x33c/0x3b0 fs/jffs2/readinode.c:1443 evict+0x2aa/0x630 fs/inode.c:667 dispose_list fs/inode.c:700 [inline] evict_inodes+0x5f9/0x690 fs/inode.c:750 generic_shutdown_super+0x9d/0x2d0 fs/super.c:626 kill_mtd_super+0x23/0x70 drivers/mtd/mtdsuper.c:174 jffs2_kill_sb+0x96/0xb0 fs/jffs2/super.c:349 deactivate_locked_super+0xc6/0x130 fs/super.c:472 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1267 task_work_run+0x251/0x310 kernel/task_work.c:180 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0xa1b/0x27e0 kernel/exit.c:878 do_group_exit+0x207/0x2c0 kernel/exit.c:1027 __do_sys_exit_group kernel/exit.c:1038 [inline] __se_sys_exit_group kernel/exit.c:1036 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1036 do_syscall_64+0xfd/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7ffb6a6c11c9 Code: Unable to access opcode bytes at 0x7ffb6a6c119f. RSP: 002b:00007ffe45c941f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ffb6a6c11c9 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 RBP: 00007ffb6a73c370 R08: ffffffffffffffb8 R09: 00007ffb6a7365f0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffb6a73c370 R13: 0000000000000000 R14: 00007ffb6a73cdc0 R15: 00007ffb6a68f330 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:jffs2_del_ino_cache+0x2c6/0x2d0 fs/jffs2/nodelist.c:462 Code: ff e9 64 ff ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 51 fe ff ff 4c 89 e7 e8 25 54 06 ff e9 44 fe ff ff e8 2b 05 a3 fe 90 <0f> 0b 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc90004527958 EFLAGS: 00010293 RAX: ffffffff82f1f025 RBX: ffff88807ca31000 RCX: ffff888011a50000 RDX: 0000000000000000 RSI: ffff88807ca31000 RDI: ffff88802283a000 RBP: ffff88807ca31020 R08: ffff88802283a36b R09: 1ffff1100450746d R10: dffffc0000000000 R11: ffffed100450746e R12: ffff88807ca31000 R13: ffff888077a080b8 R14: dffffc0000000000 R15: ffff88802283a000 FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffb6a73d1d0 CR3: 000000007c154000 CR4: 0000000000350ef0 --- 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 syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. 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