[ 50.812268][ T23] audit: type=1800 audit(1578464710.840:25): pid=8288 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 50.838398][ T23] audit: type=1800 audit(1578464710.840:26): pid=8288 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 50.892130][ T23] audit: type=1800 audit(1578464710.850:27): pid=8288 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 50.923556][ T23] audit: type=1800 audit(1578464710.850:28): pid=8288 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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 '10.128.1.6' (ECDSA) to the list of known hosts. 2020/01/08 06:25:24 fuzzer started 2020/01/08 06:25:25 dialing manager at 10.128.0.26:35703 2020/01/08 06:25:25 syscalls: 2824 2020/01/08 06:25:25 code coverage: enabled 2020/01/08 06:25:25 comparison tracing: enabled 2020/01/08 06:25:25 extra coverage: enabled 2020/01/08 06:25:25 setuid sandbox: enabled 2020/01/08 06:25:25 namespace sandbox: enabled 2020/01/08 06:25:25 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 06:25:25 fault injection: enabled 2020/01/08 06:25:25 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 06:25:25 net packet injection: enabled 2020/01/08 06:25:25 net device setup: enabled 2020/01/08 06:25:25 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 06:25:25 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:25:26 executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/fuse\x00', 0x2, 0x0) mount$fuse(0x0, &(0x7f0000000200)='./file0\x00', &(0x7f0000000300)='fuse\x00', 0x0, &(0x7f0000000400)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x4000}, 0x2c, {'user_id'}, 0x2c, {'group_id'}}) chmod(&(0x7f0000000040)='./file0\x00', 0x0) 06:25:26 executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/fuse\x00', 0x2, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) 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) mkdir(&(0x7f0000001240)='./file0\x00', 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f00000001c0)) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount$fuse(0x0, &(0x7f0000000200)='./file0\x00', &(0x7f0000000300)='fuse\x00', 0x0, &(0x7f0000000400)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x4000}, 0x2c, {'user_id'}, 0x2c, {'group_id'}}) read$FUSE(r0, &(0x7f0000003000), 0xffffff92) write$FUSE_INIT(r0, &(0x7f0000000040)={0x50, 0x0, 0x2, {0x7, 0x5}}, 0x50) syzkaller login: [ 66.585949][ T8456] IPVS: ftp: loaded support on port[0] = 21 [ 66.723974][ T8456] chnl_net:caif_netlink_parms(): no params data found 06:25:26 executing program 2: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0xeb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000040)={0x26, 'rng\x00', 0x0, 0x0, 'ansi_cprng\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000002640)=[{{0x0, 0x0, &(0x7f0000000500)=[{&(0x7f0000000440)=""/66, 0x42}], 0x1}}], 0x1, 0x0, 0x0) [ 66.811227][ T8456] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.819669][ T8456] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.827509][ T8456] device bridge_slave_0 entered promiscuous mode [ 66.845033][ T8459] IPVS: ftp: loaded support on port[0] = 21 [ 66.853778][ T8456] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.861103][ T8456] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.875383][ T8456] device bridge_slave_1 entered promiscuous mode [ 66.942454][ T8456] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.966737][ T8456] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 06:25:27 executing program 3: perf_event_open(&(0x7f000001d000)={0x0, 0x70, 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, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='pids.current\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10012, r0, 0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) mmap(&(0x7f00007e7000/0x3000)=nil, 0x3000, 0x0, 0x13, r1, 0x0) madvise(&(0x7f00000f3000/0x1000)=nil, 0x1000, 0x8) [ 67.011783][ T8456] team0: Port device team_slave_0 added [ 67.031835][ T8456] team0: Port device team_slave_1 added [ 67.107364][ T8461] IPVS: ftp: loaded support on port[0] = 21 [ 67.141275][ T8456] device hsr_slave_0 entered promiscuous mode [ 67.179209][ T8456] device hsr_slave_1 entered promiscuous mode [ 67.261597][ T8459] chnl_net:caif_netlink_parms(): no params data found [ 67.277775][ T8465] IPVS: ftp: loaded support on port[0] = 21 06:25:27 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) prctl$PR_GET_TID_ADDRESS(0x25, &(0x7f0000000180)) [ 67.346237][ T8456] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.502101][ T8456] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.550161][ T8459] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.557345][ T8459] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.570477][ T8459] device bridge_slave_0 entered promiscuous mode [ 67.585305][ T8467] IPVS: ftp: loaded support on port[0] = 21 06:25:27 executing program 5: r0 = openat$vicodec0(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video36\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f00000000c0)={0x3, 0x2, 0x0, "dcc3220f0000f7719b56a6062100000000fe1172b20100009f4000"}) [ 67.594099][ T8456] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.649853][ T8456] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.724988][ T8459] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.733294][ T8459] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.740981][ T8459] device bridge_slave_1 entered promiscuous mode [ 67.785631][ T8459] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.794824][ T8461] chnl_net:caif_netlink_parms(): no params data found [ 67.830980][ T8469] IPVS: ftp: loaded support on port[0] = 21 [ 67.837122][ T8459] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.848061][ T8461] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.855079][ T8461] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.863073][ T8461] device bridge_slave_0 entered promiscuous mode [ 67.899572][ T8461] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.906674][ T8461] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.914763][ T8461] device bridge_slave_1 entered promiscuous mode [ 67.931830][ T8459] team0: Port device team_slave_0 added [ 67.944332][ T8459] team0: Port device team_slave_1 added [ 68.001034][ T8459] device hsr_slave_0 entered promiscuous mode [ 68.038089][ T8459] device hsr_slave_1 entered promiscuous mode [ 68.088158][ T8459] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.095861][ T8459] Cannot create hsr debugfs directory [ 68.110952][ T8461] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.141227][ T8461] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.164854][ T8461] team0: Port device team_slave_0 added [ 68.223283][ T8461] team0: Port device team_slave_1 added [ 68.269630][ T8461] device hsr_slave_0 entered promiscuous mode [ 68.308212][ T8461] device hsr_slave_1 entered promiscuous mode [ 68.358046][ T8461] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.365601][ T8461] Cannot create hsr debugfs directory [ 68.411659][ T8459] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 68.480815][ T8465] chnl_net:caif_netlink_parms(): no params data found [ 68.521138][ T8459] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 68.593342][ T8459] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 68.660156][ T8469] chnl_net:caif_netlink_parms(): no params data found [ 68.688604][ T8459] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 68.732709][ T8467] chnl_net:caif_netlink_parms(): no params data found [ 68.796373][ T8467] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.804396][ T8467] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.812205][ T8467] device bridge_slave_0 entered promiscuous mode [ 68.819679][ T8469] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.826736][ T8469] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.834605][ T8469] device bridge_slave_0 entered promiscuous mode [ 68.866903][ T8465] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.874224][ T8465] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.884971][ T8465] device bridge_slave_0 entered promiscuous mode [ 68.892589][ T8467] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.900367][ T8467] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.907796][ T8467] device bridge_slave_1 entered promiscuous mode [ 68.914680][ T8469] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.921967][ T8469] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.929643][ T8469] device bridge_slave_1 entered promiscuous mode [ 68.950420][ T8465] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.957559][ T8465] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.965779][ T8465] device bridge_slave_1 entered promiscuous mode [ 68.992197][ T8469] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.003848][ T8456] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.034244][ T8465] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.044928][ T8469] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.059835][ T8461] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 69.111912][ T8467] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.123318][ T8467] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.134063][ T8465] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.154170][ T8461] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 69.199717][ T8461] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 69.242484][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.250680][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.273925][ T8469] team0: Port device team_slave_0 added [ 69.283005][ T8469] team0: Port device team_slave_1 added [ 69.292846][ T8461] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 69.340747][ T8465] team0: Port device team_slave_0 added [ 69.348694][ T8467] team0: Port device team_slave_0 added [ 69.358123][ T8467] team0: Port device team_slave_1 added [ 69.364849][ T8456] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.374118][ T8465] team0: Port device team_slave_1 added [ 69.439544][ T8469] device hsr_slave_0 entered promiscuous mode [ 69.488167][ T8469] device hsr_slave_1 entered promiscuous mode [ 69.528088][ T8469] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.535703][ T8469] Cannot create hsr debugfs directory [ 69.589641][ T8467] device hsr_slave_0 entered promiscuous mode [ 69.638314][ T8467] device hsr_slave_1 entered promiscuous mode [ 69.698056][ T8467] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.705623][ T8467] Cannot create hsr debugfs directory [ 69.744949][ T3016] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.753805][ T3016] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.762346][ T3016] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.769507][ T3016] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.777355][ T3016] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.786076][ T3016] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.794404][ T3016] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.801469][ T3016] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.809884][ T3016] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.879919][ T8465] device hsr_slave_0 entered promiscuous mode [ 69.918338][ T8465] device hsr_slave_1 entered promiscuous mode [ 69.968019][ T8465] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.975590][ T8465] Cannot create hsr debugfs directory [ 69.992925][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.001821][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.010348][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.020640][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.030303][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.050498][ T8456] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.064143][ T8456] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.089042][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.097568][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.105999][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.114149][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.123001][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.131417][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.140367][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.226211][ T8461] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.252541][ T8459] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.281433][ T8456] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.290522][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.298621][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.316854][ T8459] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.330999][ T2872] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.341325][ T2872] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.349333][ T2872] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.356831][ T2872] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.389842][ T8461] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.399514][ T8467] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 70.431215][ T2872] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.439918][ T2872] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.448286][ T2872] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.455406][ T2872] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.463043][ T2872] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.471499][ T2872] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.479870][ T2872] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.486896][ T2872] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.494435][ T2872] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.505687][ T2872] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.535934][ T8467] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 70.582263][ T8467] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 70.632958][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.641422][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.650281][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.661239][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.670670][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.679230][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.689090][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.697255][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.705605][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.713906][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.722374][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.731397][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.738477][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.746035][ T8465] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 70.793651][ T8465] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 70.853191][ T8459] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.864861][ T8459] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.876300][ T8467] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 70.919360][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.927051][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.935687][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.944004][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.952205][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.960804][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.969054][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.977490][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.985981][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.993055][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.000682][ T8456] device veth0_vlan entered promiscuous mode [ 71.007285][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.015232][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.028844][ T8465] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 71.059801][ T8469] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 71.113197][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.122539][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.132735][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.140492][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.158729][ T8465] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 71.213062][ T8469] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 71.249755][ T8456] device veth1_vlan entered promiscuous mode [ 71.258562][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.267089][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.275545][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.284055][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.292495][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.300858][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.309212][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.317330][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.325771][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.336087][ T8461] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.349373][ T8469] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 71.403147][ T8459] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.425124][ T8469] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 71.508268][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.515682][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.567782][ T8461] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.577520][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.586920][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.606722][ T8459] device veth0_vlan entered promiscuous mode [ 71.623047][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.635998][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.645738][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.656625][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.745806][ T8459] device veth1_vlan entered promiscuous mode [ 71.776244][ T8465] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.789925][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.804532][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.816973][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 176.827823][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 176.834560][ C0] rcu: 0-...!: (1 GPs behind) idle=7e6/1/0x4000000000000002 softirq=13768/13773 fqs=35 [ 176.844511][ C0] (t=10501 jiffies g=6789 q=324) [ 176.849526][ C0] rcu: rcu_preempt kthread starved for 10432 jiffies! g6789 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 176.860606][ C0] rcu: RCU grace-period kthread stack dump: [ 176.866484][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 176.874370][ C0] Call Trace: [ 176.877650][ C0] __schedule+0x9a0/0xcc0 [ 176.881976][ C0] schedule+0x181/0x210 [ 176.886120][ C0] schedule_timeout+0x14f/0x240 [ 176.890957][ C0] ? run_local_timers+0x120/0x120 [ 176.895975][ C0] rcu_gp_kthread+0xed8/0x1770 [ 176.900737][ C0] kthread+0x332/0x350 [ 176.904788][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 176.909904][ C0] ? kthread_blkcg+0xe0/0xe0 [ 176.914478][ C0] ret_from_fork+0x24/0x30 [ 176.919000][ C0] NMI backtrace for cpu 0 [ 176.923323][ C0] CPU: 0 PID: 8425 Comm: udevd Not tainted 5.5.0-rc5-syzkaller #0 [ 176.931105][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.941142][ C0] Call Trace: [ 176.944433][ C0] [ 176.947274][ C0] dump_stack+0x1fb/0x318 [ 176.951593][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 176.956427][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 176.962571][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 176.968623][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 176.974590][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 176.980488][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 176.985596][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 176.990784][ C0] ? trace_hardirqs_off+0x74/0x80 [ 176.995809][ C0] update_process_times+0x12d/0x180 [ 177.000998][ C0] tick_sched_timer+0x263/0x420 [ 177.005923][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 177.011462][ C0] __hrtimer_run_queues+0x403/0x840 [ 177.016659][ C0] hrtimer_interrupt+0x38c/0xda0 [ 177.021604][ C0] ? debug_smp_processor_id+0x9/0x20 [ 177.026882][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 177.032415][ C0] apic_timer_interrupt+0xf/0x20 [ 177.037335][ C0] [ 177.040271][ C0] RIP: 0010:__memcg_kmem_uncharge+0xa/0x1a0 [ 177.046149][ C0] Code: 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 df 4c 8d 77 [ 177.065846][ C0] RSP: 0018:ffffc90001c77ae8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 177.074260][ C0] RAX: ffffffff81489244 RBX: ffffea000269ce00 RCX: ffff88809f612380 [ 177.082219][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea000269ce00 [ 177.090295][ C0] RBP: ffffc90001c77b00 R08: dffffc0000000000 R09: fffffbfff124248a [ 177.098261][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880955c8ca0 [ 177.106222][ C0] R13: dffffc0000000000 R14: 1ffff11012ab9194 R15: ffff8880973d1678 [ 177.114212][ C0] ? free_thread_stack+0x124/0x590 [ 177.119321][ C0] free_thread_stack+0x12e/0x590 [ 177.124249][ C0] put_task_stack+0xa3/0x130 [ 177.128841][ C0] finish_task_switch+0x3f1/0x550 [ 177.133876][ C0] __schedule+0x9a8/0xcc0 [ 177.138210][ C0] schedule+0x181/0x210 [ 177.142376][ C0] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 177.148448][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 177.154260][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 177.159814][ C0] ep_poll+0xa4d/0xe80 [ 177.163885][ C0] ? do_task_dead+0xc0/0xc0 [ 177.168380][ C0] ? __kasan_check_read+0x11/0x20 [ 177.173392][ C0] do_epoll_wait+0x1ee/0x260 [ 177.177977][ C0] __x64_sys_epoll_wait+0x9a/0xb0 [ 177.182997][ C0] do_syscall_64+0xf7/0x1c0 [ 177.187492][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 177.193376][ C0] RIP: 0033:0x7fd2016e7943 [ 177.197784][ C0] Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 83 3d b5 dc 2a 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 3b c4 00 00 48 89 04 24 [ 177.221370][ C0] RSP: 002b:00007ffd099d43c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 177.229766][ C0] RAX: ffffffffffffffda RBX: 0000000000df3250 RCX: 00007fd2016e7943 [ 177.237722][ C0] RDX: 0000000000000004 RSI: 00007ffd099d4490 RDI: 0000000000000007 [ 177.245675][ C0] RBP: 0000000000625500 R08: 00007ffd099d43b0 R09: 00007ffd099f60b8 [ 177.253633][ C0] R10: 000000000000ee42 R11: 0000000000000246 R12: 0000000000df4bc0 [ 177.261591][ C0] R13: 00007ffd099d54e7 R14: 0000000000000005 R15: 0000000000df3250