From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f205.google.com (mail-il1-f205.google.com [209.85.166.205]) (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 1DEC71EB1A3 for ; Thu, 20 Feb 2025 08:42:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.205 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740040943; cv=none; b=LKrfHm5XDAQisEgTZDzjpRijyL1T0UzAnX7asOnHmAa+CegYIvnz2gDNmCaJQ49pzynVH1s4KfWpj4K24mBDfY+Bu6Eov4dgppWVVpn3l2fH5cxV2ReJDWw4dCBiUBPKeDSJn6+C79UsgvPEpOoYfzrNJHjC4utIVzN2+EzzZbE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740040943; c=relaxed/simple; bh=Rvd1AkBI3DQft8A+d56w/9z1RNJNy+10DkMiBhcY4fM=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=UVMrw00AzBuGm7TsHaoDlDxRLsg8RNy5bgEy0iMDIMxIYMxvwGLVDIka/6TAL4OMm7SfHSX35ug37svVIr4fxsCXB211qYi5Ve1/UOhMSxVRLP2a2l0RJYugyasNfoJIJZEPYrlOgmL0b4FWswvuIhiL7OHHFEc0LroR0dxGv8E= 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=209.85.166.205 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-il1-f205.google.com with SMTP id e9e14a558f8ab-3d2a6ead92fso13513255ab.2 for ; Thu, 20 Feb 2025 00:42:21 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1740040941; x=1740645741; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=tspJAAykuhA+T1wvtVtZTwQlwpV9zuUPnroEWvAUycg=; b=jTdPtFZ7SgLRQdhouF4Qm480ZpfMulcA9HBztlKIvw94t4r1LYqk4zQjAHNVFv3tkN dyVratDhloq3lgggldKpdVzcb8CAw/g+wBhBuS6Mx+rnOCz2+1it93KzEIw3NP5UvHS9 5NJvRmePA6d5bMeGhKtOfqOEh1bU/QElmu1ZYIZKftd5elvz4JWsJXQp82ouMkJVWnY5 2BxlqJI+ICIUqasi6mEr+29xft5Gl7RAq9zERwoNc3zmuu9mvpAqK4W9xeXDodfSeJ1U OwQK4M+KJfxdmt/qIlnex5z1j+DScHJAT4yk1dux0svJ6S88FrESVzg+V0B0EdnFJTx+ 5ghg== X-Forwarded-Encrypted: i=1; AJvYcCW9TtqLhRFafHHvslcT+sjZrq9uSxXGDBCNjJmlwZO9YWPgJ8Ql+YafYrd17COPOsqjCxqhX8RYqoIoEb4=@vger.kernel.org X-Gm-Message-State: AOJu0YwMHgxgMpQQw1uriGoP1r0q4s/Nm3pW9NgM5ULmtiLGEUudIOoP VPkqFdQ+G2aLM9bYTkRCGsIwJc1Knxk286XS60ABj5TrkrtYxo7v6oPjb6CcXGL0Fx7qccLPSA4 ZnKCfIxbWuLaJu4rSq9B2wzCDjUEnktS+lE4KLtdbJvHJIWtt6NESlo8= X-Google-Smtp-Source: AGHT+IGAC6WwtHen8etce11Gn8GZe12LsA5KARfnqzzs6ZLUcjWb8ey0gede7mxguW4WO4Z2h9dhjHZxdeb7dDytEUbtpIDs8/rY Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:4519:b0:3d2:a5a0:8b06 with SMTP id e9e14a558f8ab-3d2a5a08d00mr132769895ab.2.1740040941067; Thu, 20 Feb 2025 00:42:21 -0800 (PST) Date: Thu, 20 Feb 2025 00:42:21 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67b6eaed.050a0220.14d86d.0163.GAE@google.com> Subject: [syzbot] [f2fs?] UBSAN: array-index-out-of-bounds in f2fs_truncate_inode_blocks (2) From: syzbot To: chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 6537cfb395f3 Merge tag 'sound-6.14-rc4' of git://git.kerne.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=13f8b5b0580000 kernel config: https://syzkaller.appspot.com/x/.config?x=b7bde34acd8f53b1 dashboard link: https://syzkaller.appspot.com/bug?extid=51d857eed5614c310da0 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-6537cfb3.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/1f0fee59b531/vmlinux-6537cfb3.xz kernel image: https://storage.googleapis.com/syzbot-assets/ebf361d1fa57/bzImage-6537cfb3.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+51d857eed5614c310da0@syzkaller.appspotmail.com F2FS-fs (loop0): access invalid blkaddr:1 CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted 6.14.0-rc3-syzkaller-00060-g6537cfb395f3 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 __f2fs_is_valid_blkaddr+0xe16/0x1460 fs/f2fs/checkpoint.c:213 f2fs_map_blocks+0xd93/0x4e70 fs/f2fs/data.c:1586 f2fs_preallocate_blocks fs/f2fs/file.c:4836 [inline] f2fs_file_write_iter+0x1125/0x2550 fs/f2fs/file.c:5072 aio_write+0x56b/0x7c0 fs/aio.c:1633 io_submit_one+0x8a7/0x18a0 fs/aio.c:2052 __do_sys_io_submit fs/aio.c:2111 [inline] __se_sys_io_submit+0x171/0x2e0 fs/aio.c:2081 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f238798cde9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f23888cc038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007f2387ba5fa0 RCX: 00007f238798cde9 RDX: 0000400000000700 RSI: 0000000000001417 RDI: 00007f2388883000 RBP: 00007f2387a0e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f2387ba5fa0 R15: 00007ffc34e50188 ------------[ cut here ]------------ UBSAN: array-index-out-of-bounds in fs/f2fs/node.h:381:10 index 18446744073709550692 is out of range for type '__le32[5]' (aka 'unsigned int[5]') CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted 6.14.0-rc3-syzkaller-00060-g6537cfb395f3 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 ubsan_epilogue lib/ubsan.c:231 [inline] __ubsan_handle_out_of_bounds+0x121/0x150 lib/ubsan.c:429 get_nid fs/f2fs/node.h:381 [inline] f2fs_truncate_inode_blocks+0xa5e/0xf60 fs/f2fs/node.c:1181 f2fs_do_truncate_blocks+0x782/0x1030 fs/f2fs/file.c:808 f2fs_truncate_blocks+0x10d/0x300 fs/f2fs/file.c:836 f2fs_truncate+0x417/0x720 fs/f2fs/file.c:886 f2fs_file_write_iter+0x1bdb/0x2550 fs/f2fs/file.c:5093 aio_write+0x56b/0x7c0 fs/aio.c:1633 io_submit_one+0x8a7/0x18a0 fs/aio.c:2052 __do_sys_io_submit fs/aio.c:2111 [inline] __se_sys_io_submit+0x171/0x2e0 fs/aio.c:2081 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f238798cde9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f23888cc038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007f2387ba5fa0 RCX: 00007f238798cde9 RDX: 0000400000000700 RSI: 0000000000001417 RDI: 00007f2388883000 RBP: 00007f2387a0e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f2387ba5fa0 R15: 00007ffc34e50188 ---[ end trace ]--- --- 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