netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. ================================================================================ UBSAN: Undefined behaviour in drivers/vhost/vhost.c:116:62 load of value 15 is not a valid value for type '_Bool' CPU: 1 PID: 18376 Comm: syz-executor.1 Not tainted 4.19.152-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x22c/0x33e lib/dump_stack.c:118 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161 __ubsan_handle_load_invalid_value.cold+0x63/0x6f lib/ubsan.c:454 vhost_init_is_le drivers/vhost/vhost.c:116 [inline] vhost_reset_is_le drivers/vhost/vhost.c:143 [inline] vhost_vq_reset.constprop.0.cold+0x15/0x1a drivers/vhost/vhost.c:325 xt_connbytes: Forcing CT accounting to be enabled vhost_dev_init+0x442/0x780 drivers/vhost/vhost.c:463 vhost_vsock_dev_open+0x1c9/0x310 drivers/vhost/vsock.c:629 misc_open+0x372/0x4a0 drivers/char/misc.c:141 chrdev_open+0x266/0x770 fs/char_dev.c:423 Cannot find add_set index 0 as target do_dentry_open+0x4aa/0x1160 fs/open.c:796 do_last fs/namei.c:3421 [inline] path_openat+0x7d5/0x2e90 fs/namei.c:3537 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_sys_open+0x3b3/0x520 fs/open.c:1085 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45de59 Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f9e6652fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000024840 RCX: 000000000045de59 RDX: 0000000000000002 RSI: 0000000020000040 RDI: ffffffffffffff9c RBP: 000000000118bf68 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007fffb766aebf R14: 00007f9e665309c0 R15: 000000000118bf2c ================================================================================ netlink: 12 bytes leftover after parsing attributes in process `syz-executor.4'. 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. ISOFS: Unable to identify CD-ROM format. ISOFS: Unable to identify CD-ROM format. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=108 sclass=netlink_route_socket pid=18506 comm=syz-executor.5 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=108 sclass=netlink_route_socket pid=18517 comm=syz-executor.1 kvm [18507]: vcpu0, guest rIP: 0x14c Hyper-V uhandled wrmsr: 0x40000005 data 0xffffffff00000059 kvm [18507]: vcpu0, guest rIP: 0x14c Hyper-V uhandled wrmsr: 0x40000051 data 0xffffffff000000c7 kvm [18507]: vcpu0, guest rIP: 0x14c Hyper-V uhandled wrmsr: 0x4000002f data 0xffffffff000000a3 kvm [18507]: vcpu0, guest rIP: 0x14c Hyper-V uhandled wrmsr: 0x40000015 data 0xffffffff00000069 kvm [18507]: vcpu0, guest rIP: 0x14c Hyper-V uhandled wrmsr: 0x40000017 data 0xffffffff0000009f kvm [18507]: vcpu0, guest rIP: 0x14c Hyper-V uhandled wrmsr: 0x4000005e data 0xffffffff000000a7 kvm [18507]: vcpu0, guest rIP: 0x14c Hyper-V uhandled wrmsr: 0x40000043 data 0xffffffff0000009d kvm [18507]: vcpu0, guest rIP: 0x14c Hyper-V uhandled wrmsr: 0x4000001b data 0xffffffff000000d3 kvm [18507]: vcpu0, guest rIP: 0x14c Hyper-V uhandled wrmsr: 0x40000086 data 0xffffffff00000037 kvm [18507]: vcpu0, guest rIP: 0x14c Hyper-V uhandled wrmsr: 0x4000006d data 0xffffffff0000000d netlink: 96 bytes leftover after parsing attributes in process `syz-executor.1'. Cannot find add_set index 0 as target netlink: 96 bytes leftover after parsing attributes in process `syz-executor.1'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=108 sclass=netlink_route_socket pid=18604 comm=syz-executor.2 netlink: 20 bytes leftover after parsing attributes in process `syz-executor.5'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=108 sclass=netlink_route_socket pid=18690 comm=syz-executor.3 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=108 sclass=netlink_route_socket pid=18690 comm=syz-executor.3 xt_CT: netfilter: NOTRACK target is deprecated, use CT instead or upgrade iptables Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout audit: type=1804 audit(1603302838.320:20): pid=18727 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/" dev="sda1" ino=91 res=1 Bluetooth: hci0: command 0x0406 tx timeout Bluetooth: hci1: command 0x0406 tx timeout audit: type=1804 audit(1603302838.360:21): pid=18729 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/" dev="sda1" ino=91 res=1 Bluetooth: hci2: command 0x0406 tx timeout FAT-fs (loop2): bogus number of FAT sectors FAT-fs (loop2): Can't find a valid FAT filesystem SELinux: unrecognized netlink message: protocol=0 nlmsg_type=108 sclass=netlink_route_socket pid=18758 comm=syz-executor.4 audit: type=1804 audit(1603302839.250:22): pid=18760 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir715994606/syzkaller.NHcXky/716/file1/file0" dev="sda1" ino=16568 res=1 FAT-fs (loop2): bogus number of FAT sectors FAT-fs (loop2): Can't find a valid FAT filesystem audit: type=1800 audit(1603302839.250:23): pid=18760 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.2" name="file0" dev="sda1" ino=16568 res=0 audit: type=1800 audit(1603302839.370:24): pid=18760 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.2" name="file0" dev="sda1" ino=16568 res=0 9pnet: Insufficient options for proto=fd 9pnet: Insufficient options for proto=fd 9pnet: Insufficient options for proto=fd