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 D81796CDA5 for ; Sun, 5 May 2024 18:26:29 +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=1714933591; cv=none; b=m+VhvcriH+sQ7sPcCGsUL+lF1JaXSs6jVBJ1ZcrI0QjFkDS4zuRg+wL6TBQkhb3QYaMknvP+SP+o9BQHvCjKRxh4fHaVQVJT6bw8Zj5+WQr5rdc/DTxoWc71RlXULA6Rqb7U0c3xqKP9EYK4yXFssZBEMTFnERRLoqF2+ARyC8k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714933591; c=relaxed/simple; bh=zL4ttq+dTYc2Po+Y/KgYNUEQOWFlVXDeYjMJ6ITXDn8=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=bBhSFnNetTIuO7OiG2/48PEKSKuxMbcbLgtJcV0nowBFEGmBWOe+7FzWlXYvLefYrcuJy6HzrA0/RhIAzZXznXt84tfNx960s5o2Sx5KNEqxvddLkLh/uZqBnmrtLO60VPANWGWSaA9++CAcQ6wXR71YyYkKUf+p5dxwvh9BWoA= 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-36c5ed3322aso13935425ab.1 for ; Sun, 05 May 2024 11:26:29 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1714933589; x=1715538389; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=SjJjtFn5h5ZtaHCuoaDSFOcZypXdldCXXXigcZgDNpk=; b=ebbpibwM/WgfCbrkTuaj28TTOSwx5uIcAGwzpCztrlVE/VJbOWduxb+LHYb85KBKna s6wpi0sglfhw6Gr2OZ4+sNZf4kh6R1nsHsrOp7yH6w4ZDFbgQ6HwKfDDOk9D8hl8YZR8 6T+afVCEr+hfHqwPeT3k2BAmKZq4L5z6y4sRAI6MQa8cnVJJJ9sxmA3Fn9+lWq0miGfe NLXvq/YdVCcXepDcVncZMUueEZXth8NOv4cnw4HXxDZ86frgHme3T5EJF0UgyfxysKvu PEAMOwUhUQY31i/XrYdxm8+H60riU2g/5cEU9rxZ5kGeFaDcmMXxGukBceODj2GDqpLr f/vw== X-Forwarded-Encrypted: i=1; AJvYcCUuDnNdpPVNvQjLt6bOWPylE5k9FvotKSY3DoJOB47JTdR3joT2MHQCpQLlWozm/enPs1bnmgSmESkwlZpNJ4uRv4/ExIAyjEKbBXif X-Gm-Message-State: AOJu0Yzb960ub++Z72XkZjmze6OBVQHX4bczgbqd6bIaBa5AvZgOuamV Eigo5MpEzLP+05Otz6RTQunER/z1AkSHQc5IbBF3Lj6bwwSe9ne8JEgJQsQYa6JvHkXPPaNijB+ 2yzTMP21w65SeWXv+VEfId+uTSHHVCcANpC1IwIvjUr9wOjPEWc26dHQ= X-Google-Smtp-Source: AGHT+IFABT5H/si6OUrwBZ1qoO06Zf71SLikL60DsieHyjA2Qv4jr4M8juXr4SKmmQnVmFjojW3MDtJ2/MwGKVv00UL7Z9UktdPu Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1c23:b0:36c:5bd2:6b92 with SMTP id m3-20020a056e021c2300b0036c5bd26b92mr535175ilh.0.1714933589114; Sun, 05 May 2024 11:26:29 -0700 (PDT) Date: Sun, 05 May 2024 11:26:29 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000648e620617b9177a@google.com> Subject: [syzbot] [bcachefs?] KMSAN: uninit-value in bch2_inode_v3_invalid From: syzbot To: bfoster@redhat.com, kent.overstreet@linux.dev, linux-bcachefs@vger.kernel.org, linux-fsdevel@vger.kernel.org, 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: 7367539ad4b0 Merge tag 'cxl-fixes-6.9-rc7' of git://git.ke.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=13ad5e60980000 kernel config: https://syzkaller.appspot.com/x/.config?x=bbf567496022057b dashboard link: https://syzkaller.appspot.com/bug?extid=d3803303d5b280e059d8 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: https://storage.googleapis.com/syzbot-assets/44fb709c4e9c/disk-7367539a.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/d25971073eca/vmlinux-7367539a.xz kernel image: https://storage.googleapis.com/syzbot-assets/a327aa91b63e/bzImage-7367539a.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+d3803303d5b280e059d8@syzkaller.appspotmail.com bcachefs (loop2): going read-only bcachefs (loop2): finished waiting for writes to stop bcachefs (loop2): flushing journal and stopping allocators, journal seq 9 ===================================================== BUG: KMSAN: uninit-value in bch2_inode_v3_invalid+0x390/0x520 fs/bcachefs/inode.c:516 bch2_inode_v3_invalid+0x390/0x520 fs/bcachefs/inode.c:516 bch2_bkey_val_invalid+0x24f/0x380 fs/bcachefs/bkey_methods.c:140 bset_key_invalid fs/bcachefs/btree_io.c:831 [inline] validate_bset_keys+0x12d8/0x25d0 fs/bcachefs/btree_io.c:904 validate_bset_for_write+0x1dd/0x340 fs/bcachefs/btree_io.c:1945 __bch2_btree_node_write+0x5383/0x67c0 fs/bcachefs/btree_io.c:2155 bch2_btree_node_write+0xa5/0x2e0 fs/bcachefs/btree_io.c:2288 btree_node_write_if_need fs/bcachefs/btree_io.h:153 [inline] __btree_node_flush+0x4d0/0x640 fs/bcachefs/btree_trans_commit.c:229 bch2_btree_node_flush0+0x35/0x60 fs/bcachefs/btree_trans_commit.c:238 journal_flush_pins+0xce6/0x1780 fs/bcachefs/journal_reclaim.c:553 journal_flush_done+0x156/0x3f0 fs/bcachefs/journal_reclaim.c:809 bch2_journal_flush_pins+0xdb/0x3b0 fs/bcachefs/journal_reclaim.c:839 bch2_journal_flush_all_pins fs/bcachefs/journal_reclaim.h:76 [inline] __bch2_fs_read_only+0x1b9/0x750 fs/bcachefs/super.c:277 bch2_fs_read_only+0xcb4/0x1540 fs/bcachefs/super.c:357 __bch2_fs_stop+0x112/0x6f0 fs/bcachefs/super.c:622 bch2_put_super+0x3c/0x50 fs/bcachefs/fs.c:1788 generic_shutdown_super+0x194/0x4c0 fs/super.c:641 bch2_kill_sb+0x3d/0x70 fs/bcachefs/fs.c:2012 deactivate_locked_super+0xe0/0x3f0 fs/super.c:472 deactivate_super+0x14f/0x160 fs/super.c:505 cleanup_mnt+0x6c6/0x730 fs/namespace.c:1267 __cleanup_mnt+0x22/0x30 fs/namespace.c:1274 task_work_run+0x268/0x310 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xce/0x160 kernel/entry/common.c:218 do_syscall_64+0xdc/0x1e0 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: memcpy_u64s_small fs/bcachefs/util.h:511 [inline] bkey_p_copy fs/bcachefs/bkey.h:46 [inline] bch2_sort_keys+0x1fdf/0x2cb0 fs/bcachefs/bkey_sort.c:194 __bch2_btree_node_write+0x3acd/0x67c0 fs/bcachefs/btree_io.c:2100 bch2_btree_node_write+0xa5/0x2e0 fs/bcachefs/btree_io.c:2288 btree_node_write_if_need fs/bcachefs/btree_io.h:153 [inline] __btree_node_flush+0x4d0/0x640 fs/bcachefs/btree_trans_commit.c:229 bch2_btree_node_flush0+0x35/0x60 fs/bcachefs/btree_trans_commit.c:238 journal_flush_pins+0xce6/0x1780 fs/bcachefs/journal_reclaim.c:553 journal_flush_done+0x156/0x3f0 fs/bcachefs/journal_reclaim.c:809 bch2_journal_flush_pins+0xdb/0x3b0 fs/bcachefs/journal_reclaim.c:839 bch2_journal_flush_all_pins fs/bcachefs/journal_reclaim.h:76 [inline] __bch2_fs_read_only+0x1b9/0x750 fs/bcachefs/super.c:277 bch2_fs_read_only+0xcb4/0x1540 fs/bcachefs/super.c:357 __bch2_fs_stop+0x112/0x6f0 fs/bcachefs/super.c:622 bch2_put_super+0x3c/0x50 fs/bcachefs/fs.c:1788 generic_shutdown_super+0x194/0x4c0 fs/super.c:641 bch2_kill_sb+0x3d/0x70 fs/bcachefs/fs.c:2012 deactivate_locked_super+0xe0/0x3f0 fs/super.c:472 deactivate_super+0x14f/0x160 fs/super.c:505 cleanup_mnt+0x6c6/0x730 fs/namespace.c:1267 __cleanup_mnt+0x22/0x30 fs/namespace.c:1274 task_work_run+0x268/0x310 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xce/0x160 kernel/entry/common.c:218 do_syscall_64+0xdc/0x1e0 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was created at: __kmalloc_large_node+0x231/0x370 mm/slub.c:3921 __do_kmalloc_node mm/slub.c:3954 [inline] __kmalloc_node+0xb07/0x1060 mm/slub.c:3973 kmalloc_node include/linux/slab.h:648 [inline] kvmalloc_node+0xc0/0x2d0 mm/util.c:634 kvmalloc include/linux/slab.h:766 [inline] btree_bounce_alloc fs/bcachefs/btree_io.c:118 [inline] bch2_btree_node_read_done+0x4e68/0x75e0 fs/bcachefs/btree_io.c:1185 btree_node_read_work+0x8a5/0x1eb0 fs/bcachefs/btree_io.c:1324 bch2_btree_node_read+0x3d42/0x4b50 __bch2_btree_root_read fs/bcachefs/btree_io.c:1748 [inline] bch2_btree_root_read+0xa6c/0x13d0 fs/bcachefs/btree_io.c:1772 read_btree_roots+0x454/0xee0 fs/bcachefs/recovery.c:457 bch2_fs_recovery+0x7adb/0x9310 fs/bcachefs/recovery.c:785 bch2_fs_start+0x7b2/0xbd0 fs/bcachefs/super.c:1043 bch2_fs_open+0x135f/0x1670 fs/bcachefs/super.c:2102 bch2_mount+0x90d/0x1d90 fs/bcachefs/fs.c:1903 legacy_get_tree+0x114/0x290 fs/fs_context.c:662 vfs_get_tree+0xa7/0x570 fs/super.c:1779 do_new_mount+0x71f/0x15e0 fs/namespace.c:3352 path_mount+0x742/0x1f20 fs/namespace.c:3679 do_mount fs/namespace.c:3692 [inline] __do_sys_mount fs/namespace.c:3898 [inline] __se_sys_mount+0x725/0x810 fs/namespace.c:3875 __x64_sys_mount+0xe4/0x150 fs/namespace.c:3875 x64_sys_call+0x2bf4/0x3b50 arch/x86/include/generated/asm/syscalls_64.h:166 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f CPU: 1 PID: 26381 Comm: syz-executor.2 Tainted: G W 6.9.0-rc6-syzkaller-00234-g7367539ad4b0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 ===================================================== --- 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