[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 45.841098][ T27] audit: type=1800 audit(1578459853.300:25): pid=8239 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 45.875091][ T27] audit: type=1800 audit(1578459853.310:26): pid=8239 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 45.909851][ T27] audit: type=1800 audit(1578459853.310:27): pid=8239 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.9' (ECDSA) to the list of known hosts. 2020/01/08 05:04:23 fuzzer started 2020/01/08 05:04:25 dialing manager at 10.128.0.26:35703 2020/01/08 05:04:25 syscalls: 2824 2020/01/08 05:04:25 code coverage: enabled 2020/01/08 05:04:25 comparison tracing: enabled 2020/01/08 05:04:25 extra coverage: enabled 2020/01/08 05:04:25 setuid sandbox: enabled 2020/01/08 05:04:25 namespace sandbox: enabled 2020/01/08 05:04:25 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 05:04:25 fault injection: enabled 2020/01/08 05:04:25 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 05:04:25 net packet injection: enabled 2020/01/08 05:04:25 net device setup: enabled 2020/01/08 05:04:25 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 05:04:25 devlink PCI setup: PCI device 0000:00:10.0 is not available 05:04:26 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x10032, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r2, 0x84, 0x6c, &(0x7f0000000340), &(0x7f0000000280)=0x8) r3 = socket(0x2, 0x803, 0xff) r4 = open(&(0x7f0000000300)='.\x00', 0x0, 0x0) r5 = fcntl$dupfd(r3, 0x0, r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) r6 = dup2(r0, r2) dup3(r6, r1, 0x0) 05:04:27 executing program 1: close(0xffffffffffffffff) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) getsockopt$inet_udp_int(0xffffffffffffffff, 0x11, 0x0, 0x0, 0x0) syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x0, 0x80) ioctl$TCFLSH(0xffffffffffffffff, 0x540b, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) unshare(0x40000000) syzkaller login: [ 59.683835][ T8405] IPVS: ftp: loaded support on port[0] = 21 05:04:27 executing program 2: syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)={[{@fat=@allow_utime={'allow_utime', 0x3d, 0x8cffffff}}]}) [ 59.858160][ T8405] chnl_net:caif_netlink_parms(): no params data found [ 59.898942][ T8408] IPVS: ftp: loaded support on port[0] = 21 [ 59.985349][ T8405] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.993036][ T8405] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.002334][ T8405] device bridge_slave_0 entered promiscuous mode [ 60.027160][ T8405] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.035880][ T8405] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.043720][ T8405] device bridge_slave_1 entered promiscuous mode [ 60.058967][ T8411] IPVS: ftp: loaded support on port[0] = 21 05:04:27 executing program 3: perf_event_open(&(0x7f0000000440)={0x2, 0x70, 0x3ea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) keyctl$join(0x1, &(0x7f0000000200)={'syz', 0x1}) [ 60.126899][ T8405] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.148215][ T8405] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.166742][ T8408] chnl_net:caif_netlink_parms(): no params data found [ 60.214065][ T8405] team0: Port device team_slave_0 added [ 60.242547][ T8405] team0: Port device team_slave_1 added [ 60.326639][ T8408] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.333726][ T8408] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.355345][ T8408] device bridge_slave_0 entered promiscuous mode 05:04:27 executing program 4: mkdir(&(0x7f0000000100)='./file0\x00', 0x0) mount(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000080)='configfs\x00', 0x0, 0x0) lsetxattr$smack_xattr_label(&(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='security.SMACK64\x00', &(0x7f0000000180)={'configfs\x00'}, 0xa, 0x0) [ 60.447284][ T8405] device hsr_slave_0 entered promiscuous mode [ 60.504500][ T8405] device hsr_slave_1 entered promiscuous mode [ 60.546219][ T8408] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.553285][ T8408] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.561560][ T8408] device bridge_slave_1 entered promiscuous mode [ 60.580649][ T8415] IPVS: ftp: loaded support on port[0] = 21 05:04:28 executing program 5: open(&(0x7f0000000000)='.\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x807}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) openat$cgroup_ro(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @dev}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fa, &(0x7f0000000140)={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0x1e}}, 0x10) getsockopt$inet_sctp6_SCTP_RECVNXTINFO(0xffffffffffffffff, 0x84, 0x21, &(0x7f0000000340), &(0x7f0000000380)=0x4) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000200)='sit0\x00', 0x10) ioctl$TCSETS(0xffffffffffffffff, 0x40045431, &(0x7f00005befdc)) ioctl$BLKPBSZGET(0xffffffffffffffff, 0x127b, 0x0) r1 = syz_open_dev$loop(&(0x7f00000001c0)='/dev/loop#\x00', 0x0, 0x105084) socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(0xffffffffffffffff, &(0x7f0000000180)={0x2, 0x4e23, @broadcast}, 0x10) r2 = memfd_create(&(0x7f00000000c0)='\x00\x00\x00\x00\x8c\x00'/15, 0x0) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) pwritev(r2, &(0x7f0000f50f90)=[{&(0x7f0000000100)="a3", 0x1}], 0x1, 0x81003) ioctl$LOOP_CHANGE_FD(r1, 0x4c00, r2) sendfile(r0, r1, 0x0, 0x102000004) [ 60.612868][ T8408] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.637470][ T8408] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.682772][ T8411] chnl_net:caif_netlink_parms(): no params data found [ 60.722178][ T8417] IPVS: ftp: loaded support on port[0] = 21 [ 60.769665][ T8408] team0: Port device team_slave_0 added [ 60.805118][ T8408] team0: Port device team_slave_1 added [ 60.831291][ T8411] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.839636][ T8411] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.847458][ T8411] device bridge_slave_0 entered promiscuous mode [ 60.867960][ T8411] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.875880][ T8411] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.883521][ T8411] device bridge_slave_1 entered promiscuous mode [ 60.905774][ T8411] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.976844][ T8408] device hsr_slave_0 entered promiscuous mode [ 61.015898][ T8408] device hsr_slave_1 entered promiscuous mode [ 61.074694][ T8408] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.082445][ T8408] Cannot create hsr debugfs directory [ 61.092325][ T8411] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.107681][ T8405] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.118499][ T8419] IPVS: ftp: loaded support on port[0] = 21 [ 61.200085][ T8411] team0: Port device team_slave_0 added [ 61.211388][ T8411] team0: Port device team_slave_1 added [ 61.217978][ T8405] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.269375][ T8405] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.344861][ T8405] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.547483][ T8411] device hsr_slave_0 entered promiscuous mode [ 61.586018][ T8411] device hsr_slave_1 entered promiscuous mode [ 61.674323][ T8411] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.681899][ T8411] Cannot create hsr debugfs directory [ 61.702266][ T8417] chnl_net:caif_netlink_parms(): no params data found [ 61.723843][ T8415] chnl_net:caif_netlink_parms(): no params data found [ 61.753770][ T8408] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 61.788633][ T8408] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 61.878761][ T8415] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.888234][ T8415] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.896149][ T8415] device bridge_slave_0 entered promiscuous mode [ 61.918671][ T8408] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 62.000151][ T8417] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.008046][ T8417] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.015965][ T8417] device bridge_slave_0 entered promiscuous mode [ 62.023028][ T8415] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.030580][ T8415] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.038498][ T8415] device bridge_slave_1 entered promiscuous mode [ 62.052597][ T8408] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 62.122790][ T8419] chnl_net:caif_netlink_parms(): no params data found [ 62.131707][ T8417] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.138845][ T8417] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.146464][ T8417] device bridge_slave_1 entered promiscuous mode [ 62.170644][ T8417] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.182648][ T8417] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.231529][ T8415] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.244808][ T8415] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.272968][ T8417] team0: Port device team_slave_0 added [ 62.281242][ T8417] team0: Port device team_slave_1 added [ 62.320289][ T8419] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.329129][ T8419] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.337593][ T8419] device bridge_slave_0 entered promiscuous mode [ 62.346753][ T8415] team0: Port device team_slave_0 added [ 62.352591][ T8419] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.362154][ T8419] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.370835][ T8419] device bridge_slave_1 entered promiscuous mode [ 62.416963][ T8417] device hsr_slave_0 entered promiscuous mode [ 62.464519][ T8417] device hsr_slave_1 entered promiscuous mode [ 62.504269][ T8417] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.511845][ T8417] Cannot create hsr debugfs directory [ 62.527778][ T8415] team0: Port device team_slave_1 added [ 62.595934][ T8415] device hsr_slave_0 entered promiscuous mode [ 62.654680][ T8415] device hsr_slave_1 entered promiscuous mode [ 62.694392][ T8415] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.702328][ T8415] Cannot create hsr debugfs directory [ 62.733051][ T8419] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.766319][ T8411] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 62.786731][ T8411] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 62.860210][ T8419] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.880694][ T8405] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.891208][ T8411] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 62.966896][ T8411] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 63.008195][ T8419] team0: Port device team_slave_0 added [ 63.020390][ T8419] team0: Port device team_slave_1 added [ 63.048858][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.057601][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.090344][ T8405] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.115070][ T8417] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 63.156825][ T8417] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 63.198254][ T8417] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 63.271492][ T8417] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 63.357672][ T8419] device hsr_slave_0 entered promiscuous mode [ 63.404595][ T8419] device hsr_slave_1 entered promiscuous mode [ 63.454303][ T8419] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.461900][ T8419] Cannot create hsr debugfs directory [ 63.489561][ T8408] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.500582][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.510076][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.518802][ T2766] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.525984][ T2766] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.550168][ T8415] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 63.595946][ T8415] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 63.635808][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.643686][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.652663][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.660987][ T2766] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.668102][ T2766] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.685698][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.694270][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.706816][ T8415] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 63.756580][ T8415] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 63.825749][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.836354][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.845599][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.855559][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.864130][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.926655][ T8408] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.933932][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.942477][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.956992][ T8419] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 64.020538][ T8419] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 64.076176][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.085864][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.094591][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.102853][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.111151][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.119875][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.128450][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.135534][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.143899][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.160609][ T8411] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.169212][ T8405] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.185646][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.194955][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.203662][ T2766] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.210947][ T2766] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.219250][ T8419] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 64.286420][ T8419] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 64.343013][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.363012][ T8405] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.382284][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.391936][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.400275][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.408666][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.418899][ T8411] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.460672][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.470028][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.479239][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.486332][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.494222][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.502783][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.511742][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.520205][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.529662][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.539831][ T3926] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.548663][ T3926] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.563619][ T8408] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 64.577690][ T8408] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.606034][ T8417] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.612885][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.622819][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.631976][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.640321][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.649081][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.677729][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.686922][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.696283][ T2846] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.703334][ T2846] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.710943][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.719735][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.728789][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.736924][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.756240][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.763826][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.772826][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.781751][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.789567][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.797031][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.807906][ T8405] device veth0_vlan entered promiscuous mode [ 64.822259][ T8419] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.831344][ T8408] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.847255][ T8415] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.854529][ T3926] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.863075][ T3926] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.872037][ T3926] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.885938][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.898629][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.907239][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.915220][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.926636][ T8405] device veth1_vlan entered promiscuous mode [ 64.955412][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.963362][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.972672][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.981823][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.991091][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.999686][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.008181][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.023103][ T8417] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.035946][ T8411] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.050658][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 65.059045][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.067103][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.075072][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.083132][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.092620][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.100301][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.111472][ T8408] device veth0_vlan entered promiscuous mode [ 65.126285][ T8419] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.138020][ T8415] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.151854][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.160322][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.171346][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.180411][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.189062][ T2846] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.196225][ T2846] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.204322][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.225493][ T8408] device veth1_vlan entered promiscuous mode [ 65.252798][ T3926] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.263792][ T3926] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.272589][ T3926] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.279695][ T3926] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.290024][ T3926] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.298947][ T3926] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.307437][ T3926] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.314528][ T3926] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.322528][ T3926] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.331422][ T3926] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.339002][ T3926] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.346678][ T3926] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.355630][ T3926] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.363931][ T3926] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.371017][ T3926] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.379053][ T3926] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.387914][ T3926] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.396546][ T3926] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.403574][ T3926] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.411304][ T3926] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.419918][ T3926] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.428536][ T3926] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.435642][ T3926] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.443133][ T3926] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.452774][ T3926] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.460718][ T3926] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.490348][ T8411] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.499391][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.511756][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.520485][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.529701][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.538777][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.547782][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.556655][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.565908][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.574706][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.582368][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.612299][ T8417] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.622884][ T8417] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.643100][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.652785][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.661351][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.671060][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.679583][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.689571][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.698884][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.707306][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 170.724151][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 170.731064][ C0] rcu: 0-...!: (10499 ticks this GP) idle=89a/1/0x4000000000000002 softirq=11769/11769 fqs=42 [ 170.741897][ C0] (t=10501 jiffies g=6833 q=45) [ 170.746877][ C0] rcu: rcu_preempt kthread starved for 10418 jiffies! g6833 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 170.757970][ C0] rcu: RCU grace-period kthread stack dump: [ 170.763851][ C0] rcu_preempt R running task 29104 10 2 0x80004000 [ 170.771746][ C0] Call Trace: [ 170.775033][ C0] __schedule+0x9a0/0xcc0 [ 170.779367][ C0] schedule+0x181/0x210 [ 170.783514][ C0] schedule_timeout+0x14f/0x240 [ 170.788357][ C0] ? run_local_timers+0x120/0x120 [ 170.793376][ C0] rcu_gp_kthread+0xed8/0x1770 [ 170.798140][ C0] kthread+0x332/0x350 [ 170.802297][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 170.807399][ C0] ? kthread_blkcg+0xe0/0xe0 [ 170.811980][ C0] ret_from_fork+0x24/0x30 [ 170.816398][ C0] NMI backtrace for cpu 0 [ 170.820727][ C0] CPU: 0 PID: 2846 Comm: kworker/0:3 Not tainted 5.5.0-rc5-syzkaller #0 [ 170.829121][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.839184][ C0] Workqueue: events linkwatch_event [ 170.844376][ C0] Call Trace: [ 170.847652][ C0] [ 170.850502][ C0] dump_stack+0x1fb/0x318 [ 170.854831][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 170.859671][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 170.865816][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 170.871901][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 170.877890][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 170.883768][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 170.888876][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 170.894066][ C0] ? trace_hardirqs_off+0x74/0x80 [ 170.899085][ C0] update_process_times+0x12d/0x180 [ 170.904281][ C0] tick_sched_timer+0x263/0x420 [ 170.909118][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 170.914652][ C0] __hrtimer_run_queues+0x403/0x840 [ 170.919852][ C0] hrtimer_interrupt+0x38c/0xda0 [ 170.924798][ C0] ? debug_smp_processor_id+0x9/0x20 [ 170.930087][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 170.935627][ C0] apic_timer_interrupt+0xf/0x20 [ 170.940552][ C0] [ 170.943495][ C0] RIP: 0010:free_thread_stack+0x168/0x590 [ 170.949201][ C0] Code: 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 55 94 6a 00 48 8b 3b be fc ff ff ff e8 28 04 00 00 <43> 80 3c 2e 00 74 08 4c 89 e7 e8 39 94 6a 00 49 8b 1c 24 48 83 c3 [ 170.968892][ C0] RSP: 0018:ffffc90007ef7700 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 170.977451][ C0] RAX: ffffffff814897d3 RBX: ffff888093776688 RCX: ffff88809f09e300 [ 170.985431][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002a17980 [ 170.993408][ C0] RBP: ffffc90007ef7738 R08: 000000000003a728 R09: fffffbfff124248a [ 171.001506][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff888093776720 [ 171.009482][ C0] R13: dffffc0000000000 R14: 1ffff110126eece4 R15: ffff8880907a7738 [ 171.017463][ C0] ? mod_memcg_page_state+0x123/0x190 [ 171.022847][ C0] put_task_stack+0xa3/0x130 [ 171.027433][ C0] finish_task_switch+0x3f1/0x550 [ 171.032590][ C0] __schedule+0x9a8/0xcc0 [ 171.037043][ C0] ? ___preempt_schedule+0x16/0x18 [ 171.042150][ C0] preempt_schedule+0xdb/0x120 [ 171.046917][ C0] ___preempt_schedule+0x16/0x18 [ 171.051862][ C0] ? vprintk_emit+0x2fe/0x3a0 [ 171.056537][ C0] ? vprintk_emit+0x368/0x3a0 [ 171.061219][ C0] vprintk_emit+0x36d/0x3a0 [ 171.065751][ C0] vprintk_default+0x28/0x30 [ 171.070333][ C0] vprintk_func+0x158/0x170 [ 171.074889][ C0] printk+0x62/0x8d [ 171.078808][ C0] ? addrconf_notify+0xd37/0x3c90 [ 171.083824][ C0] ? addrconf_notify+0x779/0x3c90 [ 171.088852][ C0] addrconf_notify+0x2c8d/0x3c90 [ 171.093800][ C0] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 171.099116][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 171.104499][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 171.110128][ C0] ? trace_hardirqs_on+0x74/0x80 [ 171.115055][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 171.120444][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 171.125977][ C0] ? tls_dev_event+0x619/0xc00 [ 171.130855][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 171.136396][ C0] ? ip6mr_device_event+0x1ee/0x210 [ 171.141598][ C0] raw_notifier_call_chain+0xec/0x190 [ 171.146971][ C0] netdev_state_change+0x147/0x1f0 [ 171.152082][ C0] linkwatch_do_dev+0x10e/0x160 [ 171.156928][ C0] __linkwatch_run_queue+0x446/0x730 [ 171.162211][ C0] linkwatch_event+0x4c/0x60 [ 171.166789][ C0] process_one_work+0x7ef/0x10d0 [ 171.171818][ C0] worker_thread+0xc01/0x1630 [ 171.176507][ C0] kthread+0x332/0x350 [ 171.180563][ C0] ? rcu_lock_release+0x30/0x30 [ 171.185409][ C0] ? kthread_blkcg+0xe0/0xe0 [ 171.189987][ C0] ret_from_fork+0x24/0x30