WARNING: can't dereference registers at 0000000000000f91 for ip retint_user+0x8/0x18 EXT4-fs (loop3): VFS: Can't find ext4 filesystem print_req_error: I/O error, dev loop3, sector 0 Buffer I/O error on dev loop3, logical block 0, async page read print_req_error: I/O error, dev loop3, sector 4 Buffer I/O error on dev loop3, logical block 2, async page read print_req_error: I/O error, dev loop3, sector 6 Buffer I/O error on dev loop3, logical block 3, async page read EXT4-fs (loop3): VFS: Can't find ext4 filesystem audit: type=1800 audit(1608095468.203:2): pid=10598 uid=0 auid=0 ses=4 op="collect_data" cause="failed(directio)" comm="syz-executor.0" name=".log" dev="sda1" ino=15849 res=0 audit: type=1800 audit(1608095468.243:3): pid=10598 uid=0 auid=0 ses=4 op="collect_data" cause="failed(directio)" comm="syz-executor.0" name=".log" dev="sda1" ino=15849 res=0 audit: type=1107 audit(1608095472.073:4): pid=10985 uid=0 auid=0 ses=4 msg='ü' netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 256 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 25 bytes leftover after parsing attributes in process `syz-executor.3'. bridge0: port 3(veth3) entered blocking state bridge0: port 3(veth3) entered disabled state device veth3 entered promiscuous mode L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. Bluetooth: hci0 command 0x0401 tx timeout