[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 53.038175][ T27] audit: type=1800 audit(1578450082.093:25): pid=8381 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 53.068572][ T27] audit: type=1800 audit(1578450082.093:26): pid=8381 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 53.107400][ T27] audit: type=1800 audit(1578450082.093:27): pid=8381 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 '10.128.0.121' (ECDSA) to the list of known hosts. 2020/01/08 02:21:29 fuzzer started 2020/01/08 02:21:31 dialing manager at 10.128.0.26:35703 2020/01/08 02:21:31 syscalls: 2824 2020/01/08 02:21:31 code coverage: enabled 2020/01/08 02:21:31 comparison tracing: enabled 2020/01/08 02:21:31 extra coverage: enabled 2020/01/08 02:21:31 setuid sandbox: enabled 2020/01/08 02:21:31 namespace sandbox: enabled 2020/01/08 02:21:31 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 02:21:31 fault injection: enabled 2020/01/08 02:21:31 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 02:21:31 net packet injection: enabled 2020/01/08 02:21:31 net device setup: enabled 2020/01/08 02:21:31 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 02:21:31 devlink PCI setup: PCI device 0000:00:10.0 is not available 02:21:32 executing program 0: r0 = open(&(0x7f0000000100)='./bus\x00', 0x141042, 0x0) pwritev(r0, &(0x7f0000000080)=[{&(0x7f0000003040)="02", 0x1}], 0x1, 0x0) fallocate(r0, 0x20, 0x0, 0xfffffeff000) fallocate(r0, 0x0, 0x0, 0x10000101) pread64(r0, &(0x7f0000000180)=""/97, 0x61, 0x0) lseek(r0, 0x800f, 0x3) 02:21:32 executing program 1: syz_open_dev$usbfs(&(0x7f0000000000)='/dev/bus/usb/00#/00#\x00', 0x1a9b, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='fd/3\x00') recvmmsg(0xffffffffffffffff, &(0x7f0000002700)=[{{0x0, 0x0, &(0x7f0000000500)=[{0x0}], 0x1}, 0x13}], 0x1, 0x0, 0x0) preadv(r0, &(0x7f00000017c0), 0x3da, 0x11) syzkaller login: [ 63.758296][ T8545] IPVS: ftp: loaded support on port[0] = 21 [ 63.917432][ T8547] IPVS: ftp: loaded support on port[0] = 21 [ 63.951829][ T8545] chnl_net:caif_netlink_parms(): no params data found 02:21:33 executing program 2: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x10, 0x3, 0x0) ioctl$sock_ifreq(r2, 0x89f0, &(0x7f0000000080)={'ip_vti0\x00', @ifru_data=&(0x7f0000000000)="b06f31673d3da2b793d4f9a507e3c9133ba7ce8f5e6e538ecf8829b08f7f4aae"}) ioctl$sock_ifreq(r2, 0x89f3, &(0x7f0000000080)={'\x00', @ifru_flags}) [ 64.069546][ T8545] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.076635][ T8545] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.108148][ T8545] device bridge_slave_0 entered promiscuous mode [ 64.139826][ T8545] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.146959][ T8545] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.169385][ T8545] device bridge_slave_1 entered promiscuous mode [ 64.179571][ T8547] chnl_net:caif_netlink_parms(): no params data found [ 64.214134][ T8551] IPVS: ftp: loaded support on port[0] = 21 [ 64.251063][ T8545] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 02:21:33 executing program 3: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$kcm(0x2, 0x5, 0x84) r1 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000000)='cgroup.controllers\x00', 0x2761, 0x0) setsockopt$sock_attach_bpf(r0, 0x84, 0x14, &(0x7f0000000ac0)=r1, 0x8) [ 64.284288][ T8545] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.310604][ T8547] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.318005][ T8547] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.325838][ T8547] device bridge_slave_0 entered promiscuous mode [ 64.358914][ T8547] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.365996][ T8547] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.375892][ T8547] device bridge_slave_1 entered promiscuous mode [ 64.385239][ T8545] team0: Port device team_slave_0 added [ 64.423692][ T8545] team0: Port device team_slave_1 added [ 64.465413][ T8547] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.481238][ T8551] chnl_net:caif_netlink_parms(): no params data found [ 64.539757][ T8545] device hsr_slave_0 entered promiscuous mode [ 64.578078][ T8545] device hsr_slave_1 entered promiscuous mode 02:21:33 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=@ipv6_getroute={0x2c, 0x1a, 0x239f49940f1c507b, 0x0, 0x0, {}, [@RTA_MARK={0x8}, @RTA_UID={0x8}]}, 0x2c}}, 0x0) [ 64.615259][ T8547] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.714368][ T8547] team0: Port device team_slave_0 added [ 64.736854][ T8554] IPVS: ftp: loaded support on port[0] = 21 [ 64.751152][ T8551] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.776018][ T8551] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.786904][ T8551] device bridge_slave_0 entered promiscuous mode [ 64.796442][ T8547] team0: Port device team_slave_1 added [ 64.829938][ T8556] IPVS: ftp: loaded support on port[0] = 21 [ 64.840354][ T8551] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.847513][ T8551] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.859311][ T8551] device bridge_slave_1 entered promiscuous mode 02:21:33 executing program 5: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000100)='/dev/fuse\x00', 0x2, 0x0) mount$fuse(0x0, &(0x7f0000000200)='./file0\x00', &(0x7f0000000080)='fuse\x00', 0x0, &(0x7f0000000400)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x4000}, 0x2c, {'user_id'}, 0x2c, {'group_id'}}) read$FUSE(r0, &(0x7f0000000580), 0xefee) write$FUSE_INIT(r0, &(0x7f0000000240)={0x50, 0x0, 0x2, {0x7, 0x1b, 0x0, 0x280001}}, 0x50) [ 64.921407][ T8547] device hsr_slave_0 entered promiscuous mode [ 64.968164][ T8547] device hsr_slave_1 entered promiscuous mode [ 65.007867][ T8547] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.015640][ T8547] Cannot create hsr debugfs directory [ 65.088722][ T8551] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.106029][ T8551] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.129683][ T8558] IPVS: ftp: loaded support on port[0] = 21 [ 65.154918][ T8551] team0: Port device team_slave_0 added [ 65.183858][ T8551] team0: Port device team_slave_1 added [ 65.210336][ T8547] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 65.283894][ T8547] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 65.380562][ T8551] device hsr_slave_0 entered promiscuous mode [ 65.408111][ T8551] device hsr_slave_1 entered promiscuous mode [ 65.447917][ T8551] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.457628][ T8551] Cannot create hsr debugfs directory [ 65.465871][ T8545] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.531388][ T8547] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 65.600379][ T8547] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 65.662958][ T8545] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.777015][ T8545] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.810119][ T8545] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.923646][ T8556] chnl_net:caif_netlink_parms(): no params data found [ 65.962642][ T8554] chnl_net:caif_netlink_parms(): no params data found [ 66.024175][ T8556] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.032426][ T8556] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.040608][ T8556] device bridge_slave_0 entered promiscuous mode [ 66.054446][ T8558] chnl_net:caif_netlink_parms(): no params data found [ 66.083003][ T8556] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.090463][ T8556] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.099839][ T8556] device bridge_slave_1 entered promiscuous mode [ 66.161621][ T8556] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.175312][ T8551] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 66.235474][ T8551] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 66.290323][ T8554] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.297399][ T8554] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.306120][ T8554] device bridge_slave_0 entered promiscuous mode [ 66.314512][ T8556] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.339218][ T8558] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.346290][ T8558] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.354102][ T8558] device bridge_slave_0 entered promiscuous mode [ 66.362480][ T8551] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 66.419786][ T8554] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.426865][ T8554] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.434945][ T8554] device bridge_slave_1 entered promiscuous mode [ 66.456763][ T8554] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.469622][ T8558] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.476684][ T8558] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.484627][ T8558] device bridge_slave_1 entered promiscuous mode [ 66.491795][ T8551] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 66.558289][ T8556] team0: Port device team_slave_0 added [ 66.565550][ T8554] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.592570][ T8556] team0: Port device team_slave_1 added [ 66.615708][ T8558] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.680627][ T8556] device hsr_slave_0 entered promiscuous mode [ 66.738296][ T8556] device hsr_slave_1 entered promiscuous mode [ 66.787883][ T8556] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.795454][ T8556] Cannot create hsr debugfs directory [ 66.807345][ T8558] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.826451][ T8554] team0: Port device team_slave_0 added [ 66.845237][ T8547] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.859601][ T8554] team0: Port device team_slave_1 added [ 66.883519][ T8558] team0: Port device team_slave_0 added [ 66.908082][ T8558] team0: Port device team_slave_1 added [ 66.979785][ T8554] device hsr_slave_0 entered promiscuous mode [ 67.028179][ T8554] device hsr_slave_1 entered promiscuous mode [ 67.067954][ T8554] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.067984][ T8554] Cannot create hsr debugfs directory [ 67.101090][ T8547] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.148287][ T3195] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.156252][ T3195] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.229605][ T8558] device hsr_slave_0 entered promiscuous mode [ 67.268070][ T8558] device hsr_slave_1 entered promiscuous mode [ 67.337892][ T8558] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.345460][ T8558] Cannot create hsr debugfs directory [ 67.363170][ T8545] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.386636][ T3195] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.396007][ T3195] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.404634][ T3195] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.411834][ T3195] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.421241][ T3195] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.439164][ T8545] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.450775][ T8556] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 67.492421][ T8556] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 67.540177][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.548379][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.559481][ T8551] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.580436][ T8556] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 67.640568][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.650959][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.660083][ T3196] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.667125][ T3196] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.674790][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.693006][ T8554] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 67.763519][ T8554] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 67.828261][ T8556] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 67.870456][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.879993][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.888523][ T3196] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.895564][ T3196] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.903282][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.912692][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.921611][ T3196] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.928709][ T3196] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.936173][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.945186][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.954833][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.962868][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.971484][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.982739][ T8554] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 68.030990][ T8554] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 68.086438][ T8551] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.122097][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.131143][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.142053][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.150676][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.159032][ T3193] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.166055][ T3193] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.173678][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.182439][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.191049][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.199515][ T3193] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.206569][ T3193] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.214180][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.223989][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.232618][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.247938][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.255671][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.263775][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.272411][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.281727][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.290909][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.299726][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.308194][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.316624][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.325782][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.333798][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.365826][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.374678][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.384033][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.392606][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.422777][ T8547] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 68.434349][ T8547] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.446281][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.455908][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.464287][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.472618][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.481754][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.505243][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.513813][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.522335][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.531065][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.540414][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.548613][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.556862][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.591924][ T8551] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.607166][ T8558] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 68.640042][ T8558] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 68.724344][ T8545] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.734095][ T2963] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.741905][ T2963] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.749706][ T2963] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.757121][ T2963] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.764632][ T8558] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 68.814301][ T8547] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.834255][ T8558] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 68.881568][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.889868][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.902931][ T8554] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.929734][ T8551] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.951985][ T8556] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.964097][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.973064][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.984445][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.993216][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.005384][ T8554] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.029115][ T2963] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.041555][ T2963] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.073274][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.083454][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.093505][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.103308][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.111888][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.121684][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.130094][ T3196] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.137304][ T3196] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.145449][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.153733][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.161545][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.172677][ T8556] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.190830][ T8547] device veth0_vlan entered promiscuous mode [ 69.203444][ T8545] device veth0_vlan entered promiscuous mode [ 69.230426][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.239775][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.248710][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.256804][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.265588][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.274174][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.282584][ T3194] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.289747][ T3194] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.299982][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.309811][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.318984][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.326803][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.334932][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.343250][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.361692][ T8545] device veth1_vlan entered promiscuous mode [ 69.372111][ T8551] device veth0_vlan entered promiscuous mode [ 69.383183][ T2963] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.392875][ T2963] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.401889][ T2963] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.411129][ T2963] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.419801][ T2963] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.426927][ T2963] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.435055][ T2963] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.459713][ T8547] device veth1_vlan entered promiscuous mode [ 69.471123][ T2963] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.479944][ T2963] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.491471][ T2963] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.501330][ T2963] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.509876][ T2963] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.518231][ T2963] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.526474][ T2963] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.541644][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.550812][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.559369][ T3199] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.566510][ T3199] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.574165][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.584525][ T8551] device veth1_vlan entered promiscuous mode [ 69.628397][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.637161][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.646535][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.666981][ T8554] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.706663][ T8558] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.713832][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.735336][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.750510][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.765263][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.775275][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.829415][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.843796][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.852351][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.866972][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 174.877723][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 174.884709][ C1] rcu: 1-....: (1 GPs behind) idle=32e/1/0x4000000000000002 softirq=13707/13711 fqs=5224 [ 174.894898][ C1] (t=10500 jiffies g=6797 q=914) [ 174.900064][ C1] NMI backtrace for cpu 1 [ 174.904503][ C1] CPU: 1 PID: 8564 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 174.913080][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.925274][ C1] Call Trace: [ 174.928637][ C1] [ 174.931656][ C1] dump_stack+0x1fb/0x318 [ 174.936075][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 174.941435][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 174.947763][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 174.953838][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 174.959976][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 174.965932][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 174.971038][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 174.976352][ C1] ? trace_hardirqs_off+0x74/0x80 [ 174.981360][ C1] update_process_times+0x12d/0x180 [ 174.986542][ C1] tick_sched_timer+0x263/0x420 [ 174.991422][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 174.996956][ C1] __hrtimer_run_queues+0x403/0x840 [ 175.002282][ C1] hrtimer_interrupt+0x38c/0xda0 [ 175.007222][ C1] ? debug_smp_processor_id+0x9/0x20 [ 175.012652][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 175.018322][ C1] apic_timer_interrupt+0xf/0x20 [ 175.023338][ C1] [ 175.026318][ C1] RIP: 0010:__memcg_kmem_uncharge+0x6/0x1a0 [ 175.032363][ C1] Code: bf ac 07 00 74 12 48 81 c3 08 02 00 00 48 89 df 4c 89 f6 e8 8c 85 ff ff 5b 41 5e 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 <41> 56 41 55 41 54 53 50 89 f3 49 89 fc 48 b8 00 00 00 00 00 fc ff [ 175.051990][ C1] RSP: 0018:ffffc900028175d0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 175.060412][ C1] RAX: ffffffff81489244 RBX: ffffea00029f5240 RCX: 0000000000040000 [ 175.068458][ C1] RDX: ffffc90001ec9000 RSI: 0000000000000000 RDI: ffffea00029f5240 [ 175.076420][ C1] RBP: ffffc900028175d8 R08: dffffc0000000000 R09: fffffbfff124248a [ 175.084693][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff888092a4bf20 [ 175.093177][ C1] R13: dffffc0000000000 R14: 1ffff110125497e4 R15: ffff888093ecb478 [ 175.101416][ C1] ? free_thread_stack+0x124/0x590 [ 175.106533][ C1] free_thread_stack+0x12e/0x590 [ 175.111697][ C1] put_task_stack+0xa3/0x130 [ 175.116439][ C1] finish_task_switch+0x3f1/0x550 [ 175.121462][ C1] __schedule+0x9a8/0xcc0 [ 175.125806][ C1] schedule+0x181/0x210 [ 175.130354][ C1] io_schedule+0x8b/0x100 [ 175.134870][ C1] wait_on_page_bit_common+0x888/0xda0 [ 175.140479][ C1] ? trace_mm_filemap_add_to_page_cache+0x290/0x290 [ 175.147457][ C1] wait_on_page_bit+0x46/0x50 [ 175.152246][ C1] wait_on_page_writeback+0x13e/0x180 [ 175.157607][ C1] __filemap_fdatawait_range+0x1b5/0x3b0 [ 175.163228][ C1] ? __filemap_fdatawrite_range+0x2cd/0x360 [ 175.169113][ C1] file_write_and_wait_range+0x141/0x1a0 [ 175.174833][ C1] ext4_sync_file+0x1b5/0xc90 [ 175.179497][ C1] vfs_fsync_range+0xfd/0x1a0 [ 175.184283][ C1] ext4_buffered_write_iter+0x548/0x5f0 [ 175.190200][ C1] ext4_file_write_iter+0x546/0x1f50 [ 175.195861][ C1] do_iter_readv_writev+0x651/0x8e0 [ 175.201158][ C1] do_iter_write+0x180/0x590 [ 175.206000][ C1] ? rcu_read_lock_any_held+0x13d/0x1a0 [ 175.211771][ C1] do_pwritev+0x231/0x430 [ 175.216254][ C1] ? prepare_exit_to_usermode+0x221/0x5b0 [ 175.222344][ C1] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 175.228216][ C1] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 175.234138][ C1] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 175.240320][ C1] __x64_sys_pwritev+0x9e/0xb0 [ 175.245240][ C1] do_syscall_64+0xf7/0x1c0 [ 175.249788][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 175.255775][ C1] RIP: 0033:0x45af49 [ 175.259998][ C1] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 175.280450][ C1] RSP: 002b:00007f850505ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000128 [ 175.291664][ C1] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000045af49 [ 175.301764][ C1] RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000003 [ 175.311048][ C1] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 175.319015][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f850505f6d4 [ 175.327393][ C1] R13: 00000000004c963e R14: 00000000004e2118 R15: 00000000ffffffff