[ 45.166833][ T25] audit: type=1800 audit(1575455343.933:26): pid=7978 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 45.187270][ T25] audit: type=1800 audit(1575455343.933:27): pid=7978 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 45.222509][ T25] audit: type=1800 audit(1575455343.933:28): pid=7978 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. [ 46.168331][ T25] audit: type=1800 audit(1575455344.953:29): pid=7978 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.195' (ECDSA) to the list of known hosts. 2019/12/04 10:29:12 fuzzer started 2019/12/04 10:29:14 dialing manager at 10.128.0.26:36481 2019/12/04 10:29:14 syscalls: 2691 2019/12/04 10:29:14 code coverage: enabled 2019/12/04 10:29:14 comparison tracing: enabled 2019/12/04 10:29:14 extra coverage: extra coverage is not supported by the kernel 2019/12/04 10:29:14 setuid sandbox: enabled 2019/12/04 10:29:14 namespace sandbox: enabled 2019/12/04 10:29:14 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 10:29:14 fault injection: enabled 2019/12/04 10:29:14 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 10:29:14 net packet injection: enabled 2019/12/04 10:29:14 net device setup: enabled 2019/12/04 10:29:14 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 10:29:14 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:29:15 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000100)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 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, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000180)={0x8fb1049f491af421, 0x70, 0x0, 0x4, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0xfffffffffffffffc}, 0x0, 0x0, 0x0, 0x0, 0x3ff, 0x5}, 0x0, 0xf, 0xffffffffffffffff, 0x0) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000380)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x8], 0x1f004, 0x80}) ioctl$KVM_RUN(r2, 0xae80, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x9) 10:29:15 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_ENABLE_CAP_CPU(r2, 0xc008ae88, &(0x7f00000000c0)={0x7a, 0x4, [0xcd], [0x3a]}) syzkaller login: [ 56.985705][ T8144] IPVS: ftp: loaded support on port[0] = 21 [ 57.085159][ T8144] chnl_net:caif_netlink_parms(): no params data found [ 57.095855][ T8146] IPVS: ftp: loaded support on port[0] = 21 10:29:16 executing program 2: mkdir(&(0x7f0000000040)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000740)=ANY=[@ANYBLOB="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"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_CREATE_OPEN(r2, &(0x7f0000000400)={0xa0}, 0xa0) mount$9p_fd(0x0, &(0x7f0000000200)='./file0\x00', &(0x7f0000000300)='9p\x00', 0x0, &(0x7f00000005c0)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r2]) open$dir(&(0x7f0000000000)='./file0/file0\x00', 0x0, 0x0) [ 57.187036][ T8144] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.196767][ T8144] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.205238][ T8144] device bridge_slave_0 entered promiscuous mode [ 57.253343][ T8144] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.260426][ T8144] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.280799][ T8144] device bridge_slave_1 entered promiscuous mode [ 57.340007][ T8144] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.354524][ T8146] chnl_net:caif_netlink_parms(): no params data found [ 57.365189][ T8144] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.380707][ T8151] IPVS: ftp: loaded support on port[0] = 21 [ 57.441431][ T8144] team0: Port device team_slave_0 added [ 57.451135][ T8144] team0: Port device team_slave_1 added [ 57.476525][ T8146] bridge0: port 1(bridge_slave_0) entered blocking state 10:29:16 executing program 3: r0 = socket$pptp(0x18, 0x1, 0x2) bind$pptp(r0, &(0x7f0000000000)={0x18, 0x2, {0x0, @local}}, 0x1e) bind(r0, &(0x7f0000000000)=@rc, 0x80) [ 57.485325][ T8146] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.494820][ T8146] device bridge_slave_0 entered promiscuous mode [ 57.566451][ T8144] device hsr_slave_0 entered promiscuous mode 10:29:16 executing program 4: r0 = syz_open_dev$sndtimer(&(0x7f0000000280)='/dev/snd/timer\x00', 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_SELECT(r0, 0xc0505405, &(0x7f0000000140)={{0x1, 0x0, 0x0, 0x3}}) [ 57.633969][ T8144] device hsr_slave_1 entered promiscuous mode [ 57.684415][ T8146] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.691520][ T8146] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.722921][ T8146] device bridge_slave_1 entered promiscuous mode [ 57.754855][ T8153] IPVS: ftp: loaded support on port[0] = 21 [ 57.784707][ T8146] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.820894][ T8146] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 10:29:16 executing program 5: r0 = io_uring_setup(0x4d4, &(0x7f0000000100)) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10012, r1, 0x0) io_uring_enter(r0, 0x0, 0x3, 0x3, &(0x7f0000000200), 0x8) [ 57.900060][ T8144] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.968691][ T8146] team0: Port device team_slave_0 added [ 57.984892][ T8146] team0: Port device team_slave_1 added [ 58.006496][ T8155] IPVS: ftp: loaded support on port[0] = 21 [ 58.056234][ T8144] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.133761][ T8144] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.176057][ T8144] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.294599][ T8146] device hsr_slave_0 entered promiscuous mode [ 58.362339][ T8146] device hsr_slave_1 entered promiscuous mode [ 58.412112][ T8146] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.427780][ T8158] IPVS: ftp: loaded support on port[0] = 21 [ 58.452926][ T8151] chnl_net:caif_netlink_parms(): no params data found [ 58.525305][ T8151] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.532630][ T8151] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.540328][ T8151] device bridge_slave_0 entered promiscuous mode [ 58.547812][ T8146] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.597370][ T8146] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.655522][ T8146] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.729820][ T8146] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.794374][ T8151] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.801456][ T8151] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.810087][ T8151] device bridge_slave_1 entered promiscuous mode [ 58.837856][ T8153] chnl_net:caif_netlink_parms(): no params data found [ 58.870723][ T8151] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.885869][ T8151] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.940828][ T8151] team0: Port device team_slave_0 added [ 58.965871][ T8155] chnl_net:caif_netlink_parms(): no params data found [ 58.979678][ T8151] team0: Port device team_slave_1 added [ 58.999269][ T8153] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.006649][ T8153] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.014580][ T8153] device bridge_slave_0 entered promiscuous mode [ 59.083747][ T8151] device hsr_slave_0 entered promiscuous mode [ 59.122410][ T8151] device hsr_slave_1 entered promiscuous mode [ 59.162166][ T8151] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.170150][ T8153] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.177747][ T8153] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.185550][ T8153] device bridge_slave_1 entered promiscuous mode [ 59.220338][ T8155] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.227554][ T8155] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.235462][ T8155] device bridge_slave_0 entered promiscuous mode [ 59.278257][ T8155] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.285971][ T8155] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.294703][ T8155] device bridge_slave_1 entered promiscuous mode [ 59.308347][ T8144] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.321797][ T8153] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.332954][ T8153] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.345837][ T8158] chnl_net:caif_netlink_parms(): no params data found [ 59.360819][ T8155] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.373924][ T8155] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.418753][ T8155] team0: Port device team_slave_0 added [ 59.448587][ T8151] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.518353][ T8153] team0: Port device team_slave_0 added [ 59.524493][ T8158] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.531634][ T8158] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.540333][ T8158] device bridge_slave_0 entered promiscuous mode [ 59.548935][ T8155] team0: Port device team_slave_1 added [ 59.558321][ T8146] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.569224][ T2718] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.577626][ T2718] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.586274][ T8151] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.637285][ T8153] team0: Port device team_slave_1 added [ 59.644223][ T8158] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.651297][ T8158] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.659895][ T8158] device bridge_slave_1 entered promiscuous mode [ 59.673594][ T8151] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.725597][ T8144] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.749130][ T8151] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.822711][ T8158] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.864083][ T8155] device hsr_slave_0 entered promiscuous mode [ 59.912558][ T8155] device hsr_slave_1 entered promiscuous mode [ 59.972158][ T8155] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.986269][ T8160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.995383][ T8160] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.004218][ T8160] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.011293][ T8160] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.019336][ T8160] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.029989][ T8160] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.038666][ T8160] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.045719][ T8160] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.053897][ T8160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.062892][ T8160] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.083792][ T8158] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.135340][ T8153] device hsr_slave_0 entered promiscuous mode [ 60.172434][ T8153] device hsr_slave_1 entered promiscuous mode [ 60.212149][ T8153] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.231050][ T8160] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.242219][ T8160] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.249833][ T8160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.268758][ T8146] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.280938][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.290326][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.299389][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.309351][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.325637][ T8158] team0: Port device team_slave_0 added [ 60.356135][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.365134][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.374236][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.383405][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.391865][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.400808][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.407929][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.415876][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.424484][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.432932][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.439998][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.447567][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.456047][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.464879][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.473370][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.481636][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.490102][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.499131][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.507467][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.515957][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.523799][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.537016][ T8158] team0: Port device team_slave_1 added [ 60.547017][ T8144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.559469][ T2718] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.571359][ T2718] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.611436][ T8146] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.624367][ T8146] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.636649][ T8153] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.664615][ T8153] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.706756][ T8153] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.765116][ T8155] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.824198][ T8155] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.885802][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.894944][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.913187][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.920708][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.931205][ T8151] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.940934][ T8153] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.994137][ T8155] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 61.045047][ T8155] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 61.110365][ T8151] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.120896][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.130016][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.138034][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.147277][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.155672][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.162906][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.170765][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.224919][ T8158] device hsr_slave_0 entered promiscuous mode [ 61.282614][ T8158] device hsr_slave_1 entered promiscuous mode [ 61.322067][ T8158] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.333461][ T8144] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.360632][ T8146] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.380806][ T8148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.388296][ T8148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.397571][ T8148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.407164][ T8148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.415828][ T8148] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.423133][ T8148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.430914][ T8148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.473537][ T8148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.489021][ T8148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.498304][ T8148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.519517][ T8158] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 61.590877][ T8158] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 61.652716][ T8148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.660757][ T8148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.675782][ T8148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.687135][ T8148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.715966][ T8148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 166.711895][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.718685][ C0] rcu: 0-...!: (10499 ticks this GP) idle=0d2/1/0x4000000000000002 softirq=11505/11505 fqs=148 [ 166.729349][ C0] (t=10501 jiffies g=6517 q=294) [ 166.734361][ C0] rcu: rcu_preempt kthread starved for 10206 jiffies! g6517 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 166.745444][ C0] rcu: RCU grace-period kthread stack dump: [ 166.751320][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 166.759208][ C0] Call Trace: [ 166.762494][ C0] __schedule+0x9a0/0xcc0 [ 166.766818][ C0] schedule+0x181/0x210 [ 166.771052][ C0] schedule_timeout+0x14f/0x240 [ 166.775888][ C0] ? run_local_timers+0x120/0x120 [ 166.780908][ C0] rcu_gp_kthread+0xed8/0x1770 [ 166.785667][ C0] kthread+0x332/0x350 [ 166.789720][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 166.794814][ C0] ? kthread_blkcg+0xe0/0xe0 [ 166.799394][ C0] ret_from_fork+0x24/0x30 [ 166.803818][ C0] NMI backtrace for cpu 0 [ 166.808140][ C0] CPU: 0 PID: 8167 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 166.816387][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.826522][ C0] Call Trace: [ 166.829788][ C0] [ 166.832632][ C0] dump_stack+0x1fb/0x318 [ 166.836949][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 166.841872][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 166.848041][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 166.854111][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 166.860086][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 166.866054][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 166.871167][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 166.876704][ C0] ? trace_hardirqs_off+0x74/0x80 [ 166.881716][ C0] update_process_times+0x12d/0x180 [ 166.886907][ C0] tick_sched_timer+0x263/0x420 [ 166.891768][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.897393][ C0] __hrtimer_run_queues+0x403/0x840 [ 166.902593][ C0] hrtimer_interrupt+0x38c/0xda0 [ 166.907543][ C0] ? debug_smp_processor_id+0x9/0x20 [ 166.912821][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 166.918536][ C0] apic_timer_interrupt+0xf/0x20 [ 166.923469][ C0] [ 166.926412][ C0] RIP: 0010:__memcg_kmem_uncharge+0x44/0x1a0 [ 166.932402][ C0] Code: fc ff df 4c 8d 77 38 4d 89 f5 49 c1 ed 03 41 80 7c 05 00 00 74 08 4c 89 f7 e8 78 fe fa ff 4d 8b 3e b8 01 00 00 00 89 d9 d3 e0 <4d> 85 ff 0f 84 de 00 00 00 4c 39 3d a4 f0 8c 07 0f 84 2c 01 00 00 [ 166.952034][ C0] RSP: 0018:ffffc90001fa7480 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 166.960451][ C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 [ 166.968501][ C0] RDX: ffffc90002019000 RSI: 0000000000000000 RDI: ffffea0002a3fb80 [ 166.976650][ C0] RBP: ffffc90001fa74b0 R08: 000000000003a728 R09: ffffed1012444f3f [ 166.984647][ C0] R10: ffffed1012444f3f R11: 0000000000000000 R12: ffffea0002a3fb80 [ 166.992626][ C0] R13: 1ffffd4000547f77 R14: ffffea0002a3fbb8 R15: 0000000000000000 [ 167.000635][ C0] ? free_thread_stack+0x124/0x590 [ 167.008698][ C0] free_thread_stack+0x12e/0x590 [ 167.013631][ C0] put_task_stack+0xa3/0x130 [ 167.018278][ C0] finish_task_switch+0x3f1/0x550 [ 167.023345][ C0] __schedule+0x9a8/0xcc0 [ 167.027712][ C0] ? ___preempt_schedule+0x16/0x18 [ 167.032813][ C0] preempt_schedule+0xdb/0x120 [ 167.038872][ C0] ___preempt_schedule+0x16/0x18 [ 167.043809][ C0] _raw_spin_unlock_irq+0x77/0x80 [ 167.048849][ C0] shmem_add_to_page_cache+0xe67/0x1290 [ 167.054488][ C0] shmem_getpage_gfp+0x1425/0x2f80 [ 167.059631][ C0] shmem_fault+0x284/0x7f0 [ 167.064048][ C0] __do_fault+0x144/0x3d0 [ 167.068368][ C0] do_read_fault+0x58a/0x9e0 [ 167.073100][ C0] handle_mm_fault+0x1bb8/0x2890 [ 167.078076][ C0] __get_user_pages+0x1002/0x1610 [ 167.083131][ C0] populate_vma_page_range+0x1fd/0x250 [ 167.088589][ C0] __mm_populate+0x278/0x3d0 [ 167.093186][ C0] vm_mmap_pgoff+0x1a0/0x1d0 [ 167.097784][ C0] ksys_mmap_pgoff+0x104/0x560 [ 167.102627][ C0] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 167.108363][ C0] __x64_sys_mmap+0x103/0x120 [ 167.113121][ C0] do_syscall_64+0xf7/0x1c0 [ 167.117655][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 167.123632][ C0] RIP: 0033:0x45a679 [ 167.127517][ C0] 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 [ 167.147468][ C0] RSP: 002b:00007f39959f8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 167.156227][ C0] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045a679 [ 167.164307][ C0] RDX: 0000000000000003 RSI: 0000000000b36000 RDI: 0000000020000000 [ 167.172265][ C0] RBP: 000000000075bf20 R08: ffffffffffffffff R09: 0000000000000000 [ 167.180274][ C0] R10: 0000000000008031 R11: 0000000000000246 R12: 00007f39959f96d4 [ 167.188344][ C0] R13: 00000000004c7861 R14: 00000000004de5a8 R15: 00000000ffffffff