================================================================================ UBSAN: Undefined behaviour in drivers/vhost/vhost.c:116:62 load of value 107 is not a valid value for type '_Bool' CPU: 0 PID: 17359 Comm: syz-executor.5 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 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 do_dentry_open+0x4aa/0x1160 fs/open.c:796 xt_CT: No such helper "snmp_trap" 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:00007f776c7cfc78 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: 00007ffd10b829ff R14: 00007f776c7d09c0 R15: 000000000118bf2c ================================================================================ FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 17357 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 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x2f lib/fault-inject.c:149 __should_failslab+0x153/0x1b6 mm/failslab.c:32 should_failslab+0x5/0xf mm/slab_common.c:1588 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc_trace+0x46/0x4b0 mm/slab.c:3623 kmalloc include/linux/slab.h:515 [inline] addr_event.constprop.0+0xd1/0x4d0 drivers/infiniband/core/roce_gid_mgmt.c:835 inetaddr_event+0xda/0x130 drivers/infiniband/core/roce_gid_mgmt.c:864 notifier_call_chain+0xc0/0x230 kernel/notifier.c:93 __blocking_notifier_call_chain kernel/notifier.c:317 [inline] blocking_notifier_call_chain+0x85/0xa0 kernel/notifier.c:328 __inet_del_ifa+0x4c2/0xbc0 net/ipv4/devinet.c:378 inet_rtm_deladdr+0x434/0x650 net/ipv4/devinet.c:657 rtnetlink_rcv_msg+0x498/0xc10 net/core/rtnetlink.c:4778 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x717/0xcc0 net/netlink/af_netlink.c:1909 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xc7/0x130 net/socket.c:632 ___sys_sendmsg+0x7bb/0x8f0 net/socket.c:2115 __sys_sendmsg net/socket.c:2153 [inline] __do_sys_sendmsg net/socket.c:2162 [inline] __se_sys_sendmsg net/socket.c:2160 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2160 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:00007f40d4179c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000002e5c0 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 RBP: 00007f40d4179ca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 R13: 00007ffc6e0ec0cf R14: 00007f40d417a9c0 R15: 000000000118bf2c xt_CT: No such helper "snmp_trap" EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue hfs: unable to parse mount options hfs: unable to parse mount options nla_parse: 4 callbacks suppressed netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 36 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 36 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. audit: type=1400 audit(1603213146.813:34): avc: denied { create } for pid=17490 comm="syz-executor.5" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 device bond1 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond1: link is not ready 8021q: adding VLAN 0 to HW filter on device bond1 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. FAT-fs (loop5): Unrecognized mount option " " or missing value netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. attempt to access beyond end of device loop4: rw=4096, want=136, limit=1 gfs2: error 10 reading superblock hfsplus: unable to parse mount options TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue vhci_hcd vhci_hcd.0: pdev(3) rhport(0) sockfd(7) vhci_hcd vhci_hcd.0: devid(0) speed(5) speed_str(super-speed) SELinux: unrecognized netlink message: protocol=0 nlmsg_type=512 sclass=netlink_route_socket pid=17626 comm=syz-executor.5 vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) vhci_hcd vhci_hcd.0: pdev(3) rhport(1) sockfd(7) vhci_hcd vhci_hcd.0: devid(0) speed(5) speed_str(super-speed) SELinux: unrecognized netlink message: protocol=0 nlmsg_type=512 sclass=netlink_route_socket pid=17633 comm=syz-executor.5 vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) Dev loop3: unable to read RDB block 1 loop3: unable to read partition table loop3: partition table beyond EOD, truncated loop_reread_partitions: partition scan of loop3 () failed (rc=-5) audit: type=1800 audit(1603213149.653:35): pid=17620 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed comm="syz-executor.0" name="bus" dev="sda1" ino=16002 res=0 Dev loop3: unable to read RDB block 1 loop3: unable to read partition table audit: type=1800 audit(1603213149.673:36): pid=17693 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.0" name="bus" dev="sda1" ino=16002 res=0 loop3: partition table beyond EOD, truncated loop_reread_partitions: partition scan of loop3 () failed (rc=-5) IPv6: ADDRCONF(NETDEV_UP): bond1: link is not ready 8021q: adding VLAN 0 to HW filter on device bond1 IPVS: ftp: loaded support on port[0] = 21 F2FS-fs (loop4): Magic Mismatch, valid(0xf2f52010) - read(0x0) F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock F2FS-fs (loop4): invalid crc value F2FS-fs (loop4): f2fs_check_nid_range: out-of-range nid=1, run fsck to fix. F2FS-fs (loop4): f2fs_check_nid_range: out-of-range nid=2, run fsck to fix. F2FS-fs (loop4): inconsistent node block, nid:3, node_footer[nid:0,ino:0,ofs:0,cpver:0,blkaddr:0] F2FS-fs (loop4): Failed to read root inode F2FS-fs (loop4): Magic Mismatch, valid(0xf2f52010) - read(0x0) F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock F2FS-fs (loop4): invalid crc value IPVS: ftp: loaded support on port[0] = 21 nla_parse: 30 callbacks suppressed netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. IPVS: ftp: loaded support on port[0] = 21 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. audit: type=1804 audit(1603213153.023:37): pid=17935 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir245555376/syzkaller.EbVrQB/654/cgroup.controllers" dev="sda1" ino=16763 res=1 isofs_fill_super: bread failed, dev=loop5, iso_blknum=56, block=112 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 28 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. isofs_fill_super: bread failed, dev=loop5, iso_blknum=56, block=112 audit: type=1804 audit(1603213154.233:38): pid=18022 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir874631923/syzkaller.CjDHr1/635/file0/bus" dev="sda1" ino=16756 res=1