[ 46.281641][ T23] audit: type=1800 audit(1578480123.537:25): pid=8287 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 46.324358][ T23] audit: type=1800 audit(1578480123.537:26): pid=8287 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 46.347123][ T23] audit: type=1800 audit(1578480123.537:27): pid=8287 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 46.366661][ T23] audit: type=1800 audit(1578480123.537:28): pid=8287 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 '10.128.0.191' (ECDSA) to the list of known hosts. 2020/01/08 10:42:14 fuzzer started 2020/01/08 10:42:15 dialing manager at 10.128.0.26:35703 2020/01/08 10:42:15 syscalls: 2824 2020/01/08 10:42:15 code coverage: enabled 2020/01/08 10:42:15 comparison tracing: enabled 2020/01/08 10:42:15 extra coverage: enabled 2020/01/08 10:42:15 setuid sandbox: enabled 2020/01/08 10:42:15 namespace sandbox: enabled 2020/01/08 10:42:15 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 10:42:15 fault injection: enabled 2020/01/08 10:42:15 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 10:42:15 net packet injection: enabled 2020/01/08 10:42:15 net device setup: enabled 2020/01/08 10:42:15 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 10:42:15 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:42:16 executing program 0: unshare(0x600) pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r0, 0x407, 0x80000000) 10:42:17 executing program 1: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000)='/dev/uinput\x00', 0x2, 0x0) write$uinput_user_dev(r0, &(0x7f0000000340)={'syz0\x00'}, 0x45c) ioctl$UI_DEV_CREATE(r0, 0x5501) ioctl$UI_SET_RELBIT(r0, 0x40045566, 0x0) syzkaller login: [ 59.734515][ T8451] IPVS: ftp: loaded support on port[0] = 21 [ 59.866922][ T8451] chnl_net:caif_netlink_parms(): no params data found [ 59.912816][ T8451] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.935734][ T8451] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.946893][ T8451] device bridge_slave_0 entered promiscuous mode [ 59.967278][ T8451] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.974393][ T8451] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.982640][ T8451] device bridge_slave_1 entered promiscuous mode [ 60.004534][ T8451] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 10:42:17 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x0, 0x1) mount(&(0x7f0000000040)=@nbd={'/dev/nbd', 0x0}, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000080)='hfs\x00', 0x0, 0x0) [ 60.017854][ T8451] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.029657][ T8454] IPVS: ftp: loaded support on port[0] = 21 [ 60.050888][ T8451] team0: Port device team_slave_0 added [ 60.058619][ T8451] team0: Port device team_slave_1 added [ 60.158451][ T8451] device hsr_slave_0 entered promiscuous mode 10:42:17 executing program 3: unshare(0x24020400) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f00000000c0)={'veth0\x00', &(0x7f0000000000)=@ethtool_rxnfc={0x16, 0x0, 0x0, {0x0, @ah_ip6_spec={@dev, @empty}, {0x0, @local}, @usr_ip4_spec={@local, @local}, {0x0, @random="72988e31dd6d"}}}}) [ 60.286958][ T8451] device hsr_slave_1 entered promiscuous mode [ 60.389072][ T8456] IPVS: ftp: loaded support on port[0] = 21 [ 60.466889][ T8458] IPVS: ftp: loaded support on port[0] = 21 [ 60.509615][ T8454] chnl_net:caif_netlink_parms(): no params data found 10:42:17 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000000500)='map_files\x00') fchdir(r0) r1 = syz_open_procfs(0x0, &(0x7f0000000140)='maps\x00') preadv(r1, &(0x7f0000000080)=[{&(0x7f00000002c0)=""/140, 0x8c}], 0x1, 0x0) quotactl(0x2080000201, &(0x7f0000000100)='./file1\x00', 0x0, &(0x7f00000002c0)) [ 60.565053][ T8451] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.632228][ T8451] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.689345][ T8451] netdevsim netdevsim0 netdevsim2: renamed from eth2 10:42:18 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000013c0)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000080)) r1 = syz_open_pts(r0, 0x0) ioctl$TCSETSF(r1, 0x5412, &(0x7f0000000000)={0x1a}) exit(0x0) r2 = socket$inet6(0xa, 0x400000000001, 0x0) dup(r2) dup(r2) sendto$inet6(r2, 0x0, 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0xfffffffc, @loopback}, 0x1c) r3 = open(0x0, 0x0, 0x0) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x25, &(0x7f00000001c0), 0x4) ftruncate(r3, 0x0) sendfile(0xffffffffffffffff, r3, 0x0, 0x8000fffffffe) accept4$x25(r3, 0x0, &(0x7f0000000040), 0x800) ioctl$FS_IOC_REMOVE_ENCRYPTION_KEY(0xffffffffffffffff, 0xc0406618, &(0x7f00000000c0)={{0x0, 0x0, @descriptor="16f6a668253828c1"}}) ftruncate(0xffffffffffffffff, 0x9) socket$inet6(0xa, 0x0, 0x0) dup(0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f0000001980), 0x0, 0x2000, 0x0) ioctl$SG_GET_RESERVED_SIZE(0xffffffffffffffff, 0x2272, 0x0) [ 60.760537][ T8451] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.839922][ T8461] IPVS: ftp: loaded support on port[0] = 21 [ 60.928699][ T8454] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.937429][ T8454] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.944986][ T8454] device bridge_slave_0 entered promiscuous mode [ 60.954929][ T8454] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.962149][ T8454] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.970267][ T8454] device bridge_slave_1 entered promiscuous mode [ 60.989976][ T8454] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.004475][ T8456] chnl_net:caif_netlink_parms(): no params data found [ 61.028009][ T8454] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.053271][ T8464] IPVS: ftp: loaded support on port[0] = 21 [ 61.098714][ T8456] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.106151][ T8456] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.113854][ T8456] device bridge_slave_0 entered promiscuous mode [ 61.122926][ T8456] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.130067][ T8456] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.137894][ T8456] device bridge_slave_1 entered promiscuous mode [ 61.146546][ T8454] team0: Port device team_slave_0 added [ 61.194554][ T8458] chnl_net:caif_netlink_parms(): no params data found [ 61.212215][ T8454] team0: Port device team_slave_1 added [ 61.219447][ T8456] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.251363][ T8456] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.276294][ T8456] team0: Port device team_slave_0 added [ 61.309274][ T8456] team0: Port device team_slave_1 added [ 61.358665][ T8454] device hsr_slave_0 entered promiscuous mode [ 61.396063][ T8454] device hsr_slave_1 entered promiscuous mode [ 61.435919][ T8454] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.443799][ T8454] Cannot create hsr debugfs directory [ 61.479087][ T8458] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.487595][ T8458] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.495167][ T8458] device bridge_slave_0 entered promiscuous mode [ 61.568451][ T8456] device hsr_slave_0 entered promiscuous mode [ 61.606154][ T8456] device hsr_slave_1 entered promiscuous mode [ 61.646495][ T8456] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.654096][ T8456] Cannot create hsr debugfs directory [ 61.671268][ T8458] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.678912][ T8458] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.686778][ T8458] device bridge_slave_1 entered promiscuous mode [ 61.729271][ T8458] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.741465][ T8458] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.753908][ T8461] chnl_net:caif_netlink_parms(): no params data found [ 61.804467][ T8458] team0: Port device team_slave_0 added [ 61.839241][ T8458] team0: Port device team_slave_1 added [ 61.938642][ T8458] device hsr_slave_0 entered promiscuous mode [ 61.996657][ T8458] device hsr_slave_1 entered promiscuous mode [ 62.045715][ T8458] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.053284][ T8458] Cannot create hsr debugfs directory [ 62.059019][ T8461] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.066497][ T8461] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.074057][ T8461] device bridge_slave_0 entered promiscuous mode [ 62.084340][ T8461] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.091529][ T8461] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.099371][ T8461] device bridge_slave_1 entered promiscuous mode [ 62.112491][ T8464] chnl_net:caif_netlink_parms(): no params data found [ 62.151733][ T8451] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.178198][ T8461] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.193521][ T8454] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 62.252011][ T8454] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 62.308616][ T8461] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.339118][ T8454] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 62.420336][ T8456] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 62.474488][ T8464] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.481880][ T8464] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.489878][ T8464] device bridge_slave_0 entered promiscuous mode [ 62.498258][ T8464] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.505294][ T8464] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.513416][ T8464] device bridge_slave_1 entered promiscuous mode [ 62.520987][ T8454] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 62.582972][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.591276][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.599557][ T8456] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 62.659839][ T8456] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 62.724926][ T8461] team0: Port device team_slave_0 added [ 62.738688][ T8461] team0: Port device team_slave_1 added [ 62.748100][ T8456] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 62.818503][ T8464] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.830651][ T8451] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.862112][ T8464] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.889617][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.899190][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.908108][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.916303][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.924639][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.938700][ T8458] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 62.988144][ T8458] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 63.087383][ T8461] device hsr_slave_0 entered promiscuous mode [ 63.125995][ T8461] device hsr_slave_1 entered promiscuous mode [ 63.165683][ T8461] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.173253][ T8461] Cannot create hsr debugfs directory [ 63.187515][ T8458] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 63.228800][ T8464] team0: Port device team_slave_0 added [ 63.236606][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.245109][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.253563][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.260646][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.268755][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.292782][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.302201][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.311593][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.320037][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.329918][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.339049][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.347644][ T8458] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 63.398975][ T8464] team0: Port device team_slave_1 added [ 63.416068][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.424605][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.437542][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.446022][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.529105][ T8464] device hsr_slave_0 entered promiscuous mode [ 63.566281][ T8464] device hsr_slave_1 entered promiscuous mode [ 63.606396][ T8464] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.613967][ T8464] Cannot create hsr debugfs directory [ 63.629508][ T8451] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.678606][ T8454] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.736509][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.744205][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.752324][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.760221][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.770862][ T8454] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.795457][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.810725][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.820131][ T2690] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.827221][ T2690] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.859418][ T8451] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.883048][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.891258][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.900090][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.908671][ T2677] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.915780][ T2677] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.923857][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.932404][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.940840][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.949450][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.961281][ T8461] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 64.020663][ T8456] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.036976][ T2910] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.044686][ T2910] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.057114][ T2910] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.065505][ T8461] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 64.098677][ T8461] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 64.164989][ T8458] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.180008][ T8454] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 64.190873][ T8454] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.203424][ T8464] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 64.243801][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.251906][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.259738][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.270432][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.279133][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.287753][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.296141][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.304605][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.313793][ T8461] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 64.379553][ T8456] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.393198][ T8464] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 64.438826][ T8464] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 64.487623][ T2910] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.495411][ T8464] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 64.566259][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.574888][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.583509][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.590619][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.599239][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.608084][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.616580][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.623634][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.631319][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.639804][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.649239][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.657815][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.679936][ T8458] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.696152][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.703983][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.711831][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.719570][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.727851][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.735205][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.742879][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.751451][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.759726][ T2682] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.766814][ T2682] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.774591][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.793923][ T8454] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.806519][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.815004][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.842444][ T8456] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 64.856507][ T8456] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.876543][ T2910] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.884995][ T2910] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.901204][ T2910] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.908306][ T2910] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.917021][ T2910] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.925207][ T2910] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.933649][ T2910] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.942091][ T2910] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.950267][ T2910] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.958939][ T2910] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.969644][ T2910] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.977682][ T2910] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.985884][ T2910] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.020769][ T8451] device veth0_vlan entered promiscuous mode [ 65.031593][ T2910] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.039881][ T2910] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.050634][ T2910] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.060371][ T2910] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.069040][ T2910] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.099337][ T8454] device veth0_vlan entered promiscuous mode [ 65.112252][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.121495][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.130950][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.139396][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.147588][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.156627][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.175055][ T8456] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.191523][ T8451] device veth1_vlan entered promiscuous mode [ 65.200202][ T8454] device veth1_vlan entered promiscuous mode [ 65.210622][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 65.219817][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.228069][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.236016][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 65.243888][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.251720][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.259519][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.268171][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.283862][ T8461] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.311194][ T8458] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.324356][ T8458] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.334240][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 65.350432][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 65.359299][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.368708][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.389475][ T8461] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.405800][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.414400][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.423835][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.431753][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.486387][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.494958][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 170.535572][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 170.542520][ C0] rcu: 0-...!: (10499 ticks this GP) idle=026/1/0x4000000000000002 softirq=12420/12420 fqs=0 [ 170.553024][ C0] (t=10501 jiffies g=6745 q=67) [ 170.557958][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g6745 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 170.569213][ C0] rcu: RCU grace-period kthread stack dump: [ 170.575090][ C0] rcu_preempt I28984 10 2 0x80004000 [ 170.581414][ C0] Call Trace: [ 170.584700][ C0] __schedule+0x9a0/0xcc0 [ 170.589029][ C0] schedule+0x181/0x210 [ 170.593177][ C0] schedule_timeout+0x14f/0x240 [ 170.598017][ C0] ? run_local_timers+0x120/0x120 [ 170.603035][ C0] rcu_gp_kthread+0xed8/0x1770 [ 170.607801][ C0] kthread+0x332/0x350 [ 170.611860][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 170.616963][ C0] ? kthread_blkcg+0xe0/0xe0 [ 170.621543][ C0] ret_from_fork+0x24/0x30 [ 170.625993][ C0] NMI backtrace for cpu 0 [ 170.630402][ C0] CPU: 0 PID: 8470 Comm: blkid Not tainted 5.5.0-rc5-syzkaller #0 [ 170.638186][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.648226][ C0] Call Trace: [ 170.651513][ C0] [ 170.654385][ C0] dump_stack+0x1fb/0x318 [ 170.658725][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 170.663585][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 170.669764][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 170.675842][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 170.681826][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 170.687714][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 170.692859][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 170.698051][ C0] ? trace_hardirqs_off+0x74/0x80 [ 170.703071][ C0] update_process_times+0x12d/0x180 [ 170.708263][ C0] tick_sched_timer+0x263/0x420 [ 170.713106][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 170.718649][ C0] __hrtimer_run_queues+0x403/0x840 [ 170.723851][ C0] hrtimer_interrupt+0x38c/0xda0 [ 170.728796][ C0] ? debug_smp_processor_id+0x9/0x20 [ 170.734078][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 170.739613][ C0] apic_timer_interrupt+0xf/0x20 [ 170.744656][ C0] [ 170.747587][ C0] RIP: 0010:__memcg_kmem_uncharge+0x1d/0x1a0 [ 170.753555][ C0] Code: 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 38 4d 89 f5 49 c1 ed 03 41 80 7c 05 00 00 74 08 4c 89 f7 [ 170.773149][ C0] RSP: 0018:ffffc900023879b0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 170.781721][ C0] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffff8880a8f4a380 [ 170.789679][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea000249d600 [ 170.797640][ C0] RBP: ffffc900023879e0 R08: 000000000003a728 R09: fffffbfff124248a [ 170.805606][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffffea000249d600 [ 170.813568][ C0] R13: dffffc0000000000 R14: 1ffff110124878c4 R15: ffff8880a33558f8 [ 170.821549][ C0] ? free_thread_stack+0x124/0x590 [ 170.826655][ C0] free_thread_stack+0x12e/0x590 [ 170.831593][ C0] put_task_stack+0xa3/0x130 [ 170.836183][ C0] finish_task_switch+0x3f1/0x550 [ 170.841206][ C0] __schedule+0x9a8/0xcc0 [ 170.845539][ C0] ? ___preempt_schedule+0x16/0x18 [ 170.850639][ C0] preempt_schedule+0xdb/0x120 [ 170.855395][ C0] ___preempt_schedule+0x16/0x18 [ 170.860325][ C0] _raw_spin_unlock_irqrestore+0xcc/0xe0 [ 170.865949][ C0] __wake_up_sync_key+0xe2/0x150 [ 170.870890][ C0] pipe_release+0x17b/0x330 [ 170.875380][ C0] ? fifo_open+0xcf0/0xcf0 [ 170.879787][ C0] __fput+0x2e4/0x740 [ 170.883766][ C0] ____fput+0x15/0x20 [ 170.887735][ C0] task_work_run+0x17e/0x1b0 [ 170.892317][ C0] do_exit+0x5f2/0x2000 [ 170.896467][ C0] ? check_preemption_disabled+0xb4/0x260 [ 170.902177][ C0] ? debug_smp_processor_id+0x1c/0x20 [ 170.907547][ C0] do_group_exit+0x15c/0x2b0 [ 170.912132][ C0] __do_sys_exit_group+0x17/0x20 [ 170.917061][ C0] __se_sys_exit_group+0x14/0x20 [ 170.921987][ C0] __x64_sys_exit_group+0x3b/0x40 [ 170.927005][ C0] do_syscall_64+0xf7/0x1c0 [ 170.931528][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 170.937408][ C0] RIP: 0033:0x7f92c093b1e8 [ 170.941882][ C0] Code: Bad RIP value. [ 170.945939][ C0] RSP: 002b:00007ffe30374ef8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 170.954478][ C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f92c093b1e8 [ 170.962462][ C0] RDX: 0000000000000002 RSI: 000000000000003c RDI: 0000000000000002 [ 170.970433][ C0] RBP: 00007f92c0c10840 R08: 00000000000000e7 R09: ffffffffffffffa8 [ 170.978399][ C0] R10: 00007f92c0c16740 R11: 0000000000000246 R12: 00007f92c0c10840 [ 170.986362][ C0] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000