[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 49.981988][ T24] audit: type=1800 audit(1578463196.595:25): 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 [ 50.024311][ T24] audit: type=1800 audit(1578463196.595:26): 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 [ 50.061416][ T24] audit: type=1800 audit(1578463196.605:27): 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 [....] 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 '10.128.0.183' (ECDSA) to the list of known hosts. 2020/01/08 06:00:09 fuzzer started 2020/01/08 06:00:10 dialing manager at 10.128.0.26:35703 2020/01/08 06:00:10 syscalls: 2824 2020/01/08 06:00:10 code coverage: enabled 2020/01/08 06:00:10 comparison tracing: enabled 2020/01/08 06:00:10 extra coverage: enabled 2020/01/08 06:00:10 setuid sandbox: enabled 2020/01/08 06:00:10 namespace sandbox: enabled 2020/01/08 06:00:10 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 06:00:10 fault injection: enabled 2020/01/08 06:00:10 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 06:00:10 net packet injection: enabled 2020/01/08 06:00:10 net device setup: enabled 2020/01/08 06:00:10 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 06:00:10 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:00:11 executing program 0: r0 = syz_open_dev$swradio(&(0x7f0000000280)='/dev/swradio#\x00', 0xffffffffffffffff, 0x2) close(r0) r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f0000000000)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000040)={0xffffffffffffffff}, 0x111}}, 0x20) write$RDMA_USER_CM_CMD_BIND(r1, &(0x7f00000000c0)={0x14, 0x88, 0xfa00, {r2, 0x30, 0x0, @ib}}, 0x90) write$RDMA_USER_CM_CMD_QUERY(r0, &(0x7f0000000180)={0x13, 0x10, 0xfa00, {&(0x7f0000000480), r2}}, 0x18) 06:00:11 executing program 1: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = memfd_create(&(0x7f0000000040)='vmn\xe5t0/\x00', 0x7) fcntl$addseals(r1, 0x409, 0x8) syzkaller login: [ 65.210606][ T8454] IPVS: ftp: loaded support on port[0] = 21 [ 65.275712][ T8456] IPVS: ftp: loaded support on port[0] = 21 [ 65.355930][ T8454] chnl_net:caif_netlink_parms(): no params data found 06:00:12 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000100)='./file0\x00', 0x0) mkdir(&(0x7f00000000c0)='./bus\x00', 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) mount$overlay(0x400300, &(0x7f0000000000)='./bus\x00', &(0x7f0000000040)='overlay\x00', 0x0, &(0x7f0000000080)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@xino_on='xino=on'}, {@workdir={'workdir', 0x3d, './bus'}}]}) [ 65.424036][ T8454] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.431977][ T8454] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.441108][ T8454] device bridge_slave_0 entered promiscuous mode [ 65.480871][ T8454] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.489665][ T8454] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.507900][ T8454] device bridge_slave_1 entered promiscuous mode [ 65.521900][ T8456] chnl_net:caif_netlink_parms(): no params data found [ 65.579399][ T8454] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.612114][ T8454] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 06:00:12 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = dup2(r1, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) bind$alg(0xffffffffffffffff, &(0x7f0000000000)={0x26, 'aead\x00', 0x0, 0x0, 'aegis128-generic\x00'}, 0x58) r3 = socket$kcm(0xa, 0x2, 0x11) setsockopt$sock_attach_bpf(r3, 0x29, 0x14, &(0x7f0000000080), 0x301) setsockopt$sock_attach_bpf(r3, 0x29, 0x14, &(0x7f0000000000), 0x70db2da734432a8e) setsockopt$sock_attach_bpf(r3, 0x29, 0x15, &(0x7f0000000080), 0xfcf3) [ 65.655269][ T8460] IPVS: ftp: loaded support on port[0] = 21 [ 65.677571][ T8454] team0: Port device team_slave_0 added [ 65.695914][ T8456] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.728774][ T8456] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.749061][ T8456] device bridge_slave_0 entered promiscuous mode [ 65.770418][ T8456] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.777498][ T8456] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.808692][ T8456] device bridge_slave_1 entered promiscuous mode [ 65.817685][ T8454] team0: Port device team_slave_1 added 06:00:12 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TIPC_CMD_RESET_LINK_STATS(0xffffffffffffffff, 0x0, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x34, 0x33, 0x119, 0x0, 0x0, {0x2}, [@nested={0x1c}, @nested={0x4, 0x1}]}, 0x34}}, 0x0) [ 65.950674][ T8454] device hsr_slave_0 entered promiscuous mode [ 66.019921][ T8454] device hsr_slave_1 entered promiscuous mode [ 66.069548][ T8456] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.083949][ T8463] IPVS: ftp: loaded support on port[0] = 21 [ 66.103194][ T8456] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 06:00:12 executing program 5: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)=@ipv4_newaddr={0x18}, 0x18}}, 0x0) mprotect(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0xb, 0x0, &(0x7f00000000c0)) [ 66.178507][ T8456] team0: Port device team_slave_0 added [ 66.213881][ T8465] IPVS: ftp: loaded support on port[0] = 21 [ 66.242581][ T8456] team0: Port device team_slave_1 added [ 66.380297][ T8456] device hsr_slave_0 entered promiscuous mode [ 66.448563][ T8456] device hsr_slave_1 entered promiscuous mode [ 66.497945][ T8456] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.505765][ T8456] Cannot create hsr debugfs directory [ 66.569202][ T8454] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.613196][ T8467] IPVS: ftp: loaded support on port[0] = 21 [ 66.626519][ T8454] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.682093][ T8454] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.744813][ T8454] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.842260][ T8460] chnl_net:caif_netlink_parms(): no params data found [ 66.923351][ T8463] chnl_net:caif_netlink_parms(): no params data found [ 66.931820][ T8460] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.939532][ T8460] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.947084][ T8460] device bridge_slave_0 entered promiscuous mode [ 66.974794][ T8460] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.982882][ T8460] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.991219][ T8460] device bridge_slave_1 entered promiscuous mode [ 67.014838][ T8456] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 67.094195][ T8456] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 67.171372][ T8460] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.186011][ T8460] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.215710][ T8456] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 67.281161][ T8456] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 67.369863][ T8460] team0: Port device team_slave_0 added [ 67.394636][ T8460] team0: Port device team_slave_1 added [ 67.401038][ T8465] chnl_net:caif_netlink_parms(): no params data found [ 67.411097][ T8467] chnl_net:caif_netlink_parms(): no params data found [ 67.435897][ T8454] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.452238][ T8463] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.459927][ T8463] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.467535][ T8463] device bridge_slave_0 entered promiscuous mode [ 67.476281][ T8463] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.483441][ T8463] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.491317][ T8463] device bridge_slave_1 entered promiscuous mode [ 67.569772][ T8460] device hsr_slave_0 entered promiscuous mode [ 67.619542][ T8460] device hsr_slave_1 entered promiscuous mode [ 67.667917][ T8460] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.675492][ T8460] Cannot create hsr debugfs directory [ 67.685769][ T2852] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.694312][ T2852] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.713605][ T8463] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.725426][ T8454] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.754850][ T8467] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.762227][ T8467] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.773039][ T8467] device bridge_slave_0 entered promiscuous mode [ 67.782022][ T8463] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.801724][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.814266][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.822798][ T2863] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.830072][ T2863] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.839250][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.847704][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.856109][ T2863] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.863157][ T2863] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.871345][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.880056][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.888996][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.908504][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.917087][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.925596][ T8467] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.933765][ T8467] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.941679][ T8467] device bridge_slave_1 entered promiscuous mode [ 67.959933][ T8465] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.967014][ T8465] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.975276][ T8465] device bridge_slave_0 entered promiscuous mode [ 67.986947][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.009560][ T8463] team0: Port device team_slave_0 added [ 68.020143][ T8463] team0: Port device team_slave_1 added [ 68.033936][ T8465] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.041690][ T8465] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.049964][ T8465] device bridge_slave_1 entered promiscuous mode [ 68.121138][ T8463] device hsr_slave_0 entered promiscuous mode [ 68.158253][ T8463] device hsr_slave_1 entered promiscuous mode [ 68.198050][ T8463] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.205638][ T8463] Cannot create hsr debugfs directory [ 68.222646][ T2852] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.231557][ T2852] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.242691][ T8465] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.255815][ T8465] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.267049][ T8467] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.284406][ T2852] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.293764][ T2852] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.319018][ T8465] team0: Port device team_slave_0 added [ 68.326014][ T8467] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.355440][ T8467] team0: Port device team_slave_0 added [ 68.362946][ T8467] team0: Port device team_slave_1 added [ 68.370133][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.378785][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.389493][ T8454] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.400099][ T8465] team0: Port device team_slave_1 added [ 68.479567][ T8467] device hsr_slave_0 entered promiscuous mode [ 68.518083][ T8467] device hsr_slave_1 entered promiscuous mode [ 68.568002][ T8467] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.575634][ T8467] Cannot create hsr debugfs directory [ 68.639551][ T8465] device hsr_slave_0 entered promiscuous mode [ 68.668257][ T8465] device hsr_slave_1 entered promiscuous mode [ 68.697913][ T8465] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.705578][ T8465] Cannot create hsr debugfs directory [ 68.725637][ T8460] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 68.792074][ T8460] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 68.850695][ T8460] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 68.910080][ T8460] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 69.018226][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.025700][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.040175][ T8456] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.064983][ T8454] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.124763][ T2852] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.138290][ T2852] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.147151][ T8456] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.154156][ T8467] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 69.210775][ T8467] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 69.250869][ T8467] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 69.299861][ T8463] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 69.350387][ T8463] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 69.387531][ T8463] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 69.429855][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.441465][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.450067][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.458722][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.466941][ T2875] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.474015][ T2875] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.482117][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.490780][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.499219][ T2875] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.506285][ T2875] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.513926][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.524557][ T8467] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 69.578820][ T8463] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 69.610839][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.620222][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.629144][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.637503][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.646640][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.699561][ T2873] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.709984][ T2873] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.718495][ T2873] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.726522][ T2873] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.735798][ T2873] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.743471][ T2873] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.754676][ T8465] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 69.809651][ T8465] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 69.851779][ T8454] device veth0_vlan entered promiscuous mode [ 69.869424][ T2874] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.877708][ T2874] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.886091][ T8465] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 69.913438][ T8456] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.924915][ T8456] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.936764][ T8454] device veth1_vlan entered promiscuous mode [ 69.950568][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.959141][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.967377][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.976886][ T8465] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 70.058949][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.066406][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.101251][ T8460] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.126528][ T8456] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.190186][ T2873] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.207105][ T2873] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.234031][ T8467] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.266277][ T8467] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.316748][ T8467] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.333559][ T8467] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.369342][ T8467] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 175.237811][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 175.244887][ C0] rcu: 0-...!: (1 GPs behind) idle=f72/1/0x4000000000000002 softirq=12777/12784 fqs=7 [ 175.254913][ C0] (t=10500 jiffies g=6473 q=454) [ 175.260002][ C0] rcu: rcu_preempt kthread starved for 10486 jiffies! g6473 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 175.271121][ C0] rcu: RCU grace-period kthread stack dump: [ 175.277030][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 175.284923][ C0] Call Trace: [ 175.288212][ C0] __schedule+0x9a0/0xcc0 [ 175.292543][ C0] schedule+0x181/0x210 [ 175.296690][ C0] schedule_timeout+0x14f/0x240 [ 175.301531][ C0] ? run_local_timers+0x120/0x120 [ 175.306550][ C0] rcu_gp_kthread+0xed8/0x1770 [ 175.311331][ C0] kthread+0x332/0x350 [ 175.315392][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 175.320496][ C0] ? kthread_blkcg+0xe0/0xe0 [ 175.325096][ C0] ret_from_fork+0x24/0x30 [ 175.329545][ C0] NMI backtrace for cpu 0 [ 175.334405][ C0] CPU: 0 PID: 8474 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 175.342979][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.353040][ C0] Call Trace: [ 175.356323][ C0] [ 175.359173][ C0] dump_stack+0x1fb/0x318 [ 175.363519][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 175.368373][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 175.374532][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 175.380610][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 175.386608][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 175.392514][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 175.397729][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 175.402925][ C0] ? trace_hardirqs_off+0x74/0x80 [ 175.408048][ C0] update_process_times+0x12d/0x180 [ 175.413261][ C0] tick_sched_timer+0x263/0x420 [ 175.418103][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 175.423657][ C0] __hrtimer_run_queues+0x403/0x840 [ 175.428869][ C0] hrtimer_interrupt+0x38c/0xda0 [ 175.433888][ C0] ? debug_smp_processor_id+0x9/0x20 [ 175.439183][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 175.444740][ C0] apic_timer_interrupt+0xf/0x20 [ 175.449691][ C0] [ 175.452632][ C0] RIP: 0010:__memcg_kmem_uncharge+0x134/0x1a0 [ 175.458694][ C0] Code: 48 c1 e8 03 42 8a 04 28 84 c0 75 3b f6 03 01 75 10 49 83 c7 10 4c 89 ff 48 8b 75 d0 e8 f5 90 00 00 48 83 c4 08 5b 41 5c 41 5d <41> 5e 41 5f 5d c3 44 89 e1 80 e1 07 80 c1 03 38 c1 7c 96 4c 89 e7 [ 175.478311][ C0] RSP: 0018:ffffc90002677e20 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 175.486726][ C0] RAX: 0000000000000001 RBX: ffffea00029cb7c0 RCX: 0000000000000000 [ 175.494702][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00029cb7c0 [ 175.502667][ C0] RBP: ffffc90002677e30 R08: dffffc0000000000 R09: fffffbfff124248a [ 175.510638][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880a6030f20 [ 175.518609][ C0] R13: dffffc0000000000 R14: ffffea00029cb7f8 R15: 0000000000000000 [ 175.526600][ C0] free_thread_stack+0x12e/0x590 [ 175.531644][ C0] put_task_stack+0xa3/0x130 [ 175.536238][ C0] finish_task_switch+0x3f1/0x550 [ 175.541259][ C0] schedule_tail+0x20/0x1a0 [ 175.545795][ C0] ret_from_fork+0x8/0x30 [ 175.550115][ C0] RIP: 0033:0x45d919 [ 175.554015][ C0] Code: ff 48 85 f6 0f 84 d7 8c fb ff 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 0f 8c ae 8c fb ff 74 01 c3 31 ed 48 f7 c7 00 00 01 00 75 [ 175.573618][ C0] RSP: 002b:00007f367d30bdb0 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 175.582026][ C0] RAX: 0000000000000000 RBX: 00007f367d30c700 RCX: 000000000045d919 [ 175.589992][ C0] RDX: 00007f367d30c9d0 RSI: 00007f367d30bdb0 RDI: 00000000003d0f00 [ 175.597961][ C0] RBP: 00007ffff3d4c700 R08: 00007f367d30c700 R09: 00007f367d30c700 [ 175.606018][ C0] R10: 00007f367d30c9d0 R11: 0000000000000202 R12: 0000000000000000 [ 175.614003][ C0] R13: 00007ffff3d4c59f R14: 00007f367d30c9c0 R15: 000000000075bf2c