[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 47.265858][ T25] audit: type=1800 audit(1575455136.815:25): pid=8279 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 47.285061][ T25] audit: type=1800 audit(1575455136.815:26): pid=8279 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 47.305157][ T25] audit: type=1800 audit(1575455136.815:27): pid=8279 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 '10.128.10.33' (ECDSA) to the list of known hosts. 2019/12/04 10:25:47 fuzzer started 2019/12/04 10:25:49 dialing manager at 10.128.0.26:36481 2019/12/04 10:25:49 syscalls: 2691 2019/12/04 10:25:49 code coverage: enabled 2019/12/04 10:25:49 comparison tracing: enabled 2019/12/04 10:25:49 extra coverage: extra coverage is not supported by the kernel 2019/12/04 10:25:49 setuid sandbox: enabled 2019/12/04 10:25:49 namespace sandbox: enabled 2019/12/04 10:25:49 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 10:25:49 fault injection: enabled 2019/12/04 10:25:49 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 10:25:49 net packet injection: enabled 2019/12/04 10:25:49 net device setup: enabled 2019/12/04 10:25:49 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 10:25:49 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:25:50 executing program 0: socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000002000)) fcntl$lock(r0, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x1f}) fcntl$lock(r0, 0x24, &(0x7f00000002c0)={0x0, 0x0, 0x349}) 10:25:50 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(0xffffffffffffffff, 0x0, 0x0) setsockopt$ALG_SET_KEY(0xffffffffffffffff, 0x117, 0x1, 0x0, 0x0) open(0x0, 0x0, 0x0) ioctl$TIOCGLCKTRMIOS(0xffffffffffffffff, 0x5456, 0x0) bind$alg(r0, &(0x7f0000000040)={0x26, 'aead\x00', 0x0, 0x0, 'pcrypt(gcm_base(ctr(aes-aesni),ghash-generic))\x00'}, 0x58) syzkaller login: [ 61.250603][ T8446] IPVS: ftp: loaded support on port[0] = 21 [ 61.331022][ T8448] IPVS: ftp: loaded support on port[0] = 21 10:25:51 executing program 2: bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x1, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x5, 0x0, 0x0, 0x0, 0x61, 0x10, 0x18}, [@ldst={0x5, 0x1, 0x3, 0x5}]}, &(0x7f0000003ff6)='G\x00', 0x5, 0xc3fb, &(0x7f000000cf3d)=""/195, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000080), 0x366, 0x10, &(0x7f0000000000), 0x1dd}, 0x48) [ 61.490236][ T8446] chnl_net:caif_netlink_parms(): no params data found [ 61.501850][ T8448] chnl_net:caif_netlink_parms(): no params data found [ 61.599220][ T8448] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.609662][ T8448] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.619121][ T8448] device bridge_slave_0 entered promiscuous mode [ 61.629875][ T8446] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.650010][ T8446] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.671493][ T8446] device bridge_slave_0 entered promiscuous mode [ 61.679827][ T8448] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.690041][ T8448] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.699293][ T8448] device bridge_slave_1 entered promiscuous mode [ 61.717939][ T8452] IPVS: ftp: loaded support on port[0] = 21 [ 61.724586][ T8446] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.734376][ T8446] bridge0: port 2(bridge_slave_1) entered disabled state 10:25:51 executing program 3: perf_event_open(&(0x7f0000000080)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200, 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) r0 = syz_open_dev$evdev(&(0x7f0000000140)='/dev/input/event#\x00', 0x0, 0x29021) write$evdev(r0, &(0x7f0000000040)=[{{0x77359400}}], 0xfdda) [ 61.748384][ T8446] device bridge_slave_1 entered promiscuous mode [ 61.803797][ T8446] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.827343][ T8448] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.845114][ T8446] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.893151][ T8448] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.917556][ T8446] team0: Port device team_slave_0 added [ 61.933303][ T8446] team0: Port device team_slave_1 added [ 61.997187][ T8448] team0: Port device team_slave_0 added 10:25:51 executing program 4: r0 = socket$inet6(0xa, 0x80002, 0x88) bind$inet6(r0, &(0x7f00000001c0)={0xa, 0x10010000004e20}, 0x1c) r1 = epoll_create(0x7f) r2 = socket$inet(0x2, 0x2, 0x2200000088) sendto$inet(r2, 0x0, 0x0, 0x0, &(0x7f0000000200)={0x2, 0x4e20}, 0x10) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000440)) [ 62.083539][ T8446] device hsr_slave_0 entered promiscuous mode [ 62.140846][ T8446] device hsr_slave_1 entered promiscuous mode [ 62.183588][ T8448] team0: Port device team_slave_1 added [ 62.211071][ T8454] IPVS: ftp: loaded support on port[0] = 21 10:25:51 executing program 5: r0 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r0, &(0x7f0000000600)={0xa, 0x0, 0x0, @mcast2, 0x3}, 0x1c) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote}, 0x1c) setsockopt$inet6_IPV6_ADDRFORM(r0, 0x29, 0x1, &(0x7f0000000100), 0x4) [ 62.363351][ T8448] device hsr_slave_0 entered promiscuous mode [ 62.402564][ T8448] device hsr_slave_1 entered promiscuous mode [ 62.450618][ T8448] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.458668][ T8452] chnl_net:caif_netlink_parms(): no params data found [ 62.482732][ T8457] IPVS: ftp: loaded support on port[0] = 21 [ 62.506448][ T8459] IPVS: ftp: loaded support on port[0] = 21 [ 62.544327][ T8446] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.596437][ T8446] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.644529][ T8446] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.719446][ T8446] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.777066][ T8452] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.784445][ T8452] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.792981][ T8452] device bridge_slave_0 entered promiscuous mode [ 62.800125][ T8448] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 62.853732][ T8448] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 62.902520][ T8448] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 62.955060][ T8448] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 63.022285][ T8452] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.029373][ T8452] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.037692][ T8452] device bridge_slave_1 entered promiscuous mode [ 63.083862][ T8452] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.095198][ T8452] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.123136][ T8454] chnl_net:caif_netlink_parms(): no params data found [ 63.177526][ T8454] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.185265][ T8454] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.193219][ T8454] device bridge_slave_0 entered promiscuous mode [ 63.205052][ T8452] team0: Port device team_slave_0 added [ 63.219792][ T8452] team0: Port device team_slave_1 added [ 63.227088][ T8454] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.236071][ T8454] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.243968][ T8454] device bridge_slave_1 entered promiscuous mode [ 63.265214][ T8454] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.276225][ T8454] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.331156][ T8454] team0: Port device team_slave_0 added [ 63.382754][ T8452] device hsr_slave_0 entered promiscuous mode [ 63.430831][ T8452] device hsr_slave_1 entered promiscuous mode [ 63.480660][ T8452] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.499480][ T8454] team0: Port device team_slave_1 added [ 63.511439][ T8457] chnl_net:caif_netlink_parms(): no params data found [ 63.604604][ T8454] device hsr_slave_0 entered promiscuous mode [ 63.660970][ T8454] device hsr_slave_1 entered promiscuous mode [ 63.700636][ T8454] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.798074][ T8459] chnl_net:caif_netlink_parms(): no params data found [ 63.837227][ T8459] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.844536][ T8459] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.852701][ T8459] device bridge_slave_0 entered promiscuous mode [ 63.864477][ T8452] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 63.922527][ T8454] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 63.984311][ T8454] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 64.033460][ T8454] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 64.097320][ T8454] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 64.143199][ T8459] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.150304][ T8459] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.158519][ T8459] device bridge_slave_1 entered promiscuous mode [ 64.165760][ T8452] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 64.213137][ T8452] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 64.276348][ T8446] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.303167][ T8452] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 64.343510][ T8457] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.350873][ T8457] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.358705][ T8457] device bridge_slave_0 entered promiscuous mode [ 64.377987][ T8448] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.387337][ T8459] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.415441][ T8457] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.422793][ T8457] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.430721][ T8457] device bridge_slave_1 entered promiscuous mode [ 64.446388][ T8459] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.484401][ T8446] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.499276][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.508406][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.516409][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.525408][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.534347][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.541603][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.551527][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.563106][ T8459] team0: Port device team_slave_0 added [ 64.570268][ T8457] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.589474][ T8448] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.604074][ T8459] team0: Port device team_slave_1 added [ 64.610025][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.618559][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.629198][ T8457] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.661384][ T8454] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.675497][ T1105] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.684494][ T1105] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.694304][ T1105] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.701430][ T1105] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.709474][ T1105] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.718818][ T1105] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.727825][ T1105] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.737113][ T1105] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.745694][ T1105] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.752768][ T1105] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.762377][ T1105] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.804546][ T8457] team0: Port device team_slave_0 added [ 64.812320][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.821489][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.829840][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.836996][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.845139][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.854349][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.863855][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.872815][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.923808][ T8459] device hsr_slave_0 entered promiscuous mode [ 65.001003][ T8459] device hsr_slave_1 entered promiscuous mode [ 65.070658][ T8459] debugfs: Directory 'hsr0' with parent '/' already present! [ 65.081818][ T8457] team0: Port device team_slave_1 added [ 65.142841][ T8457] device hsr_slave_0 entered promiscuous mode [ 65.201193][ T8457] device hsr_slave_1 entered promiscuous mode [ 65.240921][ T8457] debugfs: Directory 'hsr0' with parent '/' already present! [ 65.265755][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.275298][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.283967][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.292990][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.302036][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.310589][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.319782][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.328580][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.337738][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.347110][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.356676][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.366261][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.384143][ T8452] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.406687][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.414742][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.422815][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.431027][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.439388][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.448135][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.456977][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.479073][ T8454] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.496007][ T8448] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.514380][ T8457] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 65.557055][ T8452] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.565087][ T1105] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.573877][ T1105] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.583006][ T1105] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.590038][ T1105] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.597961][ T1105] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.605692][ T1105] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.614410][ T8459] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 65.672840][ T8459] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 65.712782][ T8459] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 65.764581][ T8457] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 65.803056][ T8457] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 65.852466][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.861274][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.870108][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.883707][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.890861][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.898460][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.907608][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.916078][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.923150][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.930827][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.941327][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.949209][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.957862][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.966834][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.973983][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.985744][ T8459] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 66.046281][ T8457] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 66.129733][ T8446] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.136898][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.145599][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.154639][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.163759][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.172812][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.181915][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.190519][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.198954][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.207384][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.215733][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.224645][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.257039][ T8454] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.271377][ T8454] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.284583][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.292487][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.300072][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.308867][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.317109][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.328923][ T8448] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.357563][ T8452] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 66.375708][ T8452] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.399941][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.408941][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.419051][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.430238][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.439083][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.447610][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.456241][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.464679][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.489518][ T8454] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.513766][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.522310][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.530239][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.541492][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.549346][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.557714][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.586924][ T8452] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 171.630369][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 171.637219][ C1] rcu: 1-...!: (1 GPs behind) idle=8ca/1/0x4000000000000002 softirq=11263/11264 fqs=0 [ 171.647098][ C1] (t=10501 jiffies g=6977 q=128) [ 171.652114][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g6977 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 171.663499][ C1] rcu: RCU grace-period kthread stack dump: [ 171.669409][ C1] rcu_preempt I29032 10 2 0x80004000 [ 171.675752][ C1] Call Trace: [ 171.679142][ C1] __schedule+0x9a0/0xcc0 [ 171.683634][ C1] schedule+0x181/0x210 [ 171.687812][ C1] schedule_timeout+0x14f/0x240 [ 171.692817][ C1] ? run_local_timers+0x120/0x120 [ 171.697859][ C1] rcu_gp_kthread+0xed8/0x1770 [ 171.702635][ C1] kthread+0x332/0x350 [ 171.706744][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 171.711863][ C1] ? kthread_blkcg+0xe0/0xe0 [ 171.716456][ C1] ret_from_fork+0x24/0x30 [ 171.720955][ C1] NMI backtrace for cpu 1 [ 171.725285][ C1] CPU: 1 PID: 8466 Comm: blkid Not tainted 5.4.0-syzkaller #0 [ 171.732726][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.742790][ C1] Call Trace: [ 171.746062][ C1] [ 171.748908][ C1] dump_stack+0x1fb/0x318 [ 171.753231][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 171.758064][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 171.764207][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 171.770262][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 171.776246][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 171.782123][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 171.787234][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 171.792422][ C1] ? trace_hardirqs_off+0x74/0x80 [ 171.797435][ C1] update_process_times+0x12d/0x180 [ 171.802626][ C1] tick_sched_timer+0x263/0x420 [ 171.807464][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 171.812999][ C1] __hrtimer_run_queues+0x403/0x840 [ 171.818205][ C1] hrtimer_interrupt+0x38c/0xda0 [ 171.823149][ C1] ? debug_smp_processor_id+0x9/0x20 [ 171.828427][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 171.833961][ C1] apic_timer_interrupt+0xf/0x20 [ 171.838918][ C1] [ 171.841869][ C1] RIP: 0010:free_thread_stack+0x16d/0x590 [ 171.847585][ C1] Code: c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 25 a0 69 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 09 a0 69 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 [ 171.867194][ C1] RSP: 0018:ffffc90001fd79f0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 171.875600][ C1] RAX: ffffffff81487433 RBX: ffff88809e563a88 RCX: ffff88809ffae080 [ 171.883565][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000260bc40 [ 171.891526][ C1] RBP: ffffc90001fd7a28 R08: 000000000003a728 R09: fffffbfff120248a [ 171.899484][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff88809e563b20 [ 171.907451][ C1] R13: dffffc0000000000 R14: 1ffff11013cac764 R15: ffff88809ad499e8 [ 171.915455][ C1] ? mod_memcg_page_state+0x123/0x190 [ 171.920834][ C1] put_task_stack+0xa3/0x130 [ 171.925416][ C1] finish_task_switch+0x3f1/0x550 [ 171.930438][ C1] __schedule+0x9a8/0xcc0 [ 171.934764][ C1] ? ___preempt_schedule+0x16/0x18 [ 171.939879][ C1] preempt_schedule+0xdb/0x120 [ 171.944636][ C1] ___preempt_schedule+0x16/0x18 [ 171.949584][ C1] _raw_spin_unlock_irqrestore+0xcc/0xe0 [ 171.955208][ C1] __wake_up_sync_key+0xe2/0x150 [ 171.960143][ C1] pipe_release+0x17b/0x330 [ 171.964637][ C1] ? fifo_open+0xc70/0xc70 [ 171.969045][ C1] __fput+0x2e4/0x740 [ 171.973026][ C1] ____fput+0x15/0x20 [ 171.976999][ C1] task_work_run+0x17e/0x1b0 [ 171.981586][ C1] do_exit+0x5c4/0x2020 [ 171.985737][ C1] ? check_preemption_disabled+0xb4/0x260 [ 171.991473][ C1] do_group_exit+0x15c/0x2b0 [ 171.996063][ C1] __do_sys_exit_group+0x17/0x20 [ 172.000991][ C1] __se_sys_exit_group+0x14/0x20 [ 172.005929][ C1] __x64_sys_exit_group+0x3b/0x40 [ 172.010944][ C1] do_syscall_64+0xf7/0x1c0 [ 172.015440][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 172.021325][ C1] RIP: 0033:0x7f94a545f1e8 [ 172.025742][ C1] Code: Bad RIP value. [ 172.029800][ C1] RSP: 002b:00007fffd3072228 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 172.038222][ C1] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f94a545f1e8 [ 172.046181][ C1] RDX: 0000000000000002 RSI: 000000000000003c RDI: 0000000000000002 [ 172.054143][ C1] RBP: 00007f94a5734840 R08: 00000000000000e7 R09: ffffffffffffffa8 [ 172.062105][ C1] R10: 00007f94a573a740 R11: 0000000000000246 R12: 00007f94a5734840 [ 172.070066][ C1] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000