[ 45.380663][ T23] audit: type=1800 audit(1575415292.392:28): pid=7999 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. [ 45.732733][ T8065] sshd (8065) used greatest stack depth: 24024 bytes left [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 45.965135][ T23] audit: type=1800 audit(1575415293.082:29): pid=7999 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 45.985663][ T23] audit: type=1800 audit(1575415293.082:30): pid=7999 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.46' (ECDSA) to the list of known hosts. 2019/12/03 23:21:40 fuzzer started 2019/12/03 23:21:42 dialing manager at 10.128.0.26:42111 2019/12/03 23:21:42 syscalls: 2689 2019/12/03 23:21:42 code coverage: enabled 2019/12/03 23:21:42 comparison tracing: enabled 2019/12/03 23:21:42 extra coverage: extra coverage is not supported by the kernel 2019/12/03 23:21:42 setuid sandbox: enabled 2019/12/03 23:21:42 namespace sandbox: enabled 2019/12/03 23:21:42 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 23:21:42 fault injection: enabled 2019/12/03 23:21:42 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 23:21:42 net packet injection: enabled 2019/12/03 23:21:42 net device setup: enabled 2019/12/03 23:21:42 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 23:21:42 devlink PCI setup: PCI device 0000:00:10.0 is not available 23:21:43 executing program 0: unshare(0x2000400) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpu.stat\x00', 0x275a, 0x0) ioctl$FS_IOC_REMOVE_ENCRYPTION_KEY(r0, 0xc0506617, 0x0) 23:21:43 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r2, &(0x7f0000000080)={0x0, 0xa, 0xfa00, {0x0, &(0x7f0000000000)={0xffffffffffffffff}, 0x111}}, 0x20) write$RDMA_USER_CM_CMD_RESOLVE_IP(r2, &(0x7f0000000200)={0x3, 0x40, 0xfa00, {{0x6000000, 0x0, 0x0, @mcast2}, {0xa, 0x0, 0x0, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}}, r3}}, 0x48) syzkaller login: [ 56.702808][ T8168] IPVS: ftp: loaded support on port[0] = 21 23:21:43 executing program 2: r0 = perf_event_open(&(0x7f0000000240)={0x1, 0x70, 0x5, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1164, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x20}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = perf_event_open(&(0x7f0000000000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x400, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x0, 0x11, r1, 0x0) r2 = getpid() ioprio_get$pid(0x1, r2) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r0, 0x2405, r1) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000080)={0x0, 'lapb0\x00'}, 0x18) r3 = socket$inet(0x2, 0x4000000000000001, 0x0) r4 = openat$full(0xffffffffffffff9c, &(0x7f0000000000)='/dev/full\x00', 0x0, 0x0) read$char_usb(r4, &(0x7f0000000100)=""/144, 0x90) getsockopt$IP6T_SO_GET_ENTRIES(r4, 0x29, 0x41, 0x0, &(0x7f00000001c0)) bind$inet(r3, &(0x7f00000000c0)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r3, 0x0, 0xfffffffffffffff8, 0x200007fe, &(0x7f0000000100)={0x2, 0x10004e23, @dev={0xac, 0x14, 0x14, 0xa}}, 0x10) sendto$inet(r3, &(0x7f0000d7cfcb), 0xffffffffffffffef, 0x0, 0x0, 0x9000000) [ 56.891245][ T8168] chnl_net:caif_netlink_parms(): no params data found [ 56.902208][ T8171] IPVS: ftp: loaded support on port[0] = 21 23:21:44 executing program 3: socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) unshare(0x2040400) r3 = socket$inet6(0xa, 0x5, 0x0) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r3, 0x84, 0x1, 0x0, &(0x7f0000000040)) [ 57.020467][ T8168] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.044735][ T8168] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.052842][ T8168] device bridge_slave_0 entered promiscuous mode [ 57.083010][ T8168] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.101406][ T8168] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.110294][ T8168] device bridge_slave_1 entered promiscuous mode [ 57.166823][ T8173] IPVS: ftp: loaded support on port[0] = 21 [ 57.194880][ T8168] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.225824][ T8168] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.267259][ T8177] IPVS: ftp: loaded support on port[0] = 21 [ 57.280082][ T8171] chnl_net:caif_netlink_parms(): no params data found [ 57.313455][ T8168] team0: Port device team_slave_0 added [ 57.348753][ T8168] team0: Port device team_slave_1 added 23:21:44 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x10, 0x2, 0x0) r3 = socket(0x10, 0x800000000080002, 0x0) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000300)={'batadv0\x00', 0x0}) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x1f2, &(0x7f0000000140)={&(0x7f0000000000)=ANY=[@ANYBLOB="5500000066000bf2dda910070000000000000000", @ANYRES32=r4, @ANYRES64=r4], 0x74}}, 0x10000) sendmmsg$alg(r2, &(0x7f0000000180), 0x52136a5252f3b2, 0x0) [ 57.419199][ T8171] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.427053][ T8171] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.438411][ T8171] device bridge_slave_0 entered promiscuous mode [ 57.500707][ T8168] device hsr_slave_0 entered promiscuous mode [ 57.564938][ T8168] device hsr_slave_1 entered promiscuous mode 23:21:44 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) mount$fuseblk(&(0x7f0000000080)='/dev/loop0\x00', 0x0, 0x0, 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000000b000/0x18000)=nil, &(0x7f00000008c0)=[@text32={0x20, &(0x7f00000000c0)="b805000000b9510000000f01c10f46a78900000066ba2100b067ee66ba4100edb9800000c00f3266ba400066ed0f30c4c271de9d0000000066b808008ed0660f38806f000f011c2666b8bf008ee0", 0x4e}], 0x1, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_CREATE_PIT2(r1, 0x4040ae77, &(0x7f0000000000)) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000380)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4cb]}) ioctl$KVM_SET_PIT2(r1, 0x4070aea0, &(0x7f0000000440)={[{0x0, 0x0, 0x2}]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 57.619370][ T8171] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.627912][ T8171] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.636208][ T8171] device bridge_slave_1 entered promiscuous mode [ 57.689842][ T8179] IPVS: ftp: loaded support on port[0] = 21 [ 57.765949][ T8171] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.776920][ T8171] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.800547][ T8168] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.858657][ T8168] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.910857][ T8168] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.977532][ T8168] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.048408][ T8177] chnl_net:caif_netlink_parms(): no params data found [ 58.058407][ T8182] IPVS: ftp: loaded support on port[0] = 21 [ 58.059122][ T8173] chnl_net:caif_netlink_parms(): no params data found [ 58.074400][ T8171] team0: Port device team_slave_0 added [ 58.104080][ T8171] team0: Port device team_slave_1 added [ 58.217356][ T8171] device hsr_slave_0 entered promiscuous mode [ 58.275029][ T8171] device hsr_slave_1 entered promiscuous mode [ 58.335154][ T8171] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.359713][ T8177] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.367680][ T8177] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.375572][ T8177] device bridge_slave_0 entered promiscuous mode [ 58.385345][ T8177] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.392412][ T8177] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.400154][ T8177] device bridge_slave_1 entered promiscuous mode [ 58.417062][ T8177] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.427074][ T8173] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.434127][ T8173] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.441867][ T8173] device bridge_slave_0 entered promiscuous mode [ 58.450049][ T8173] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.457258][ T8173] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.465842][ T8173] device bridge_slave_1 entered promiscuous mode [ 58.483193][ T8177] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.501690][ T8173] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.539343][ T8173] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.555956][ T8177] team0: Port device team_slave_0 added [ 58.589630][ T8177] team0: Port device team_slave_1 added [ 58.609734][ T8179] chnl_net:caif_netlink_parms(): no params data found [ 58.623960][ T8173] team0: Port device team_slave_0 added [ 58.644026][ T8168] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.651945][ T8171] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.707515][ T8171] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.779997][ T8171] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.830846][ T8173] team0: Port device team_slave_1 added [ 58.917568][ T8177] device hsr_slave_0 entered promiscuous mode [ 58.966299][ T8177] device hsr_slave_1 entered promiscuous mode [ 59.034802][ T8177] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.045877][ T8171] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.167326][ T8173] device hsr_slave_0 entered promiscuous mode [ 59.205103][ T8173] device hsr_slave_1 entered promiscuous mode [ 59.244834][ T8173] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.262245][ T8179] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.270377][ T8179] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.281780][ T8179] device bridge_slave_0 entered promiscuous mode [ 59.330351][ T8179] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.338047][ T8179] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.346101][ T8179] device bridge_slave_1 entered promiscuous mode [ 59.362370][ T8168] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.391443][ T3208] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.400532][ T3208] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.420221][ T8179] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.431519][ T8179] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.459347][ T8182] chnl_net:caif_netlink_parms(): no params data found [ 59.484357][ T8179] team0: Port device team_slave_0 added [ 59.493153][ T8173] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.538426][ T8173] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.596800][ T8173] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.641355][ T8173] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.699160][ T8179] team0: Port device team_slave_1 added [ 59.705607][ T8177] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.746767][ T8177] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.807233][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.815868][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.824213][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.831395][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.839674][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.850164][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.858714][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.865800][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.873773][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.896562][ T8177] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.988195][ T8179] device hsr_slave_0 entered promiscuous mode [ 60.045121][ T8179] device hsr_slave_1 entered promiscuous mode [ 60.094867][ T8179] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.104284][ T8171] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.112748][ T8187] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.122117][ T8187] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.131166][ T8182] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.138598][ T8182] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.146602][ T8182] device bridge_slave_0 entered promiscuous mode [ 60.153699][ T8177] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.209296][ T8182] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.216567][ T8182] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.224224][ T8182] device bridge_slave_1 entered promiscuous mode [ 60.240264][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.249361][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.257876][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.267316][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.277011][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.300429][ T8182] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.317697][ T8171] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.325204][ T8187] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.332867][ T8187] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.351604][ T8182] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.380537][ T8168] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.391798][ T8168] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.404344][ T8187] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.413163][ T8187] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.422267][ T8187] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.431118][ T8187] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.439767][ T8187] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.446869][ T8187] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.454494][ T8187] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.462934][ T8187] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.471221][ T8187] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.480851][ T8187] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.495263][ T8182] team0: Port device team_slave_0 added [ 60.505128][ T8175] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.513699][ T8175] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.522416][ T8175] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.529484][ T8175] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.547708][ T8182] team0: Port device team_slave_1 added [ 60.575934][ T3208] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.584451][ T3208] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.592592][ T3208] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.600479][ T8179] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.667052][ T8179] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.727705][ T8179] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.783314][ T8168] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.807413][ T8179] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.917489][ T8182] device hsr_slave_0 entered promiscuous mode [ 60.965114][ T8182] device hsr_slave_1 entered promiscuous mode [ 61.004927][ T8182] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.027535][ T8175] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.045594][ T8175] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.054341][ T8175] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.062966][ T8175] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.072105][ T8175] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.080570][ T8175] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.089525][ T8175] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.097868][ T8175] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.106100][ T8175] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.114714][ T8175] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.152587][ T8173] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.186244][ T8171] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.214425][ T8171] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 166.194558][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 166.201677][ C1] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P8190 [ 166.209112][ C1] (detected by 1, t=10503 jiffies, g=6425, q=369) [ 166.215598][ C1] syz-executor.0 R running task 28304 8190 8168 0x0000400a [ 166.223483][ C1] Call Trace: [ 166.226759][ C1] [ 166.229602][ C1] sched_show_task+0x40f/0x560 [ 166.234358][ C1] rcu_sched_clock_irq+0x16b1/0x1ad0 [ 166.239639][ C1] update_process_times+0x12d/0x180 [ 166.244826][ C1] tick_sched_timer+0x263/0x420 [ 166.249701][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.255235][ C1] __hrtimer_run_queues+0x403/0x840 [ 166.260430][ C1] hrtimer_interrupt+0x38c/0xda0 [ 166.265367][ C1] ? debug_smp_processor_id+0x9/0x20 [ 166.270641][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 166.276174][ C1] apic_timer_interrupt+0xf/0x20 [ 166.281098][ C1] [ 166.284027][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x14/0x50 [ 166.290182][ C1] Code: 00 00 00 48 8b 3d 74 25 cd 07 48 89 de e8 64 02 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 b8 81 8b 7e c2 00 01 1f 00 75 2c 8b 91 80 13 00 00 83 fa 02 75 21 48 8b 91 [ 166.310746][ C1] RSP: 0018:ffffc900024574a8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 166.319152][ C1] RAX: ffffffff81486ea4 RBX: ffffea0002806640 RCX: ffff8880a22e04c0 [ 166.327112][ C1] RDX: 0000000000000001 RSI: 00000000fffffffc RDI: ffffea0002806640 [ 166.335090][ C1] RBP: ffffc900024574e8 R08: dffffc0000000000 R09: fffffbfff120248a [ 166.343048][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff888098314c20 [ 166.351008][ C1] R13: dffffc0000000000 R14: 1ffff11013062984 R15: ffff8880a9f81a68 [ 166.358989][ C1] ? free_thread_stack+0x124/0x590 [ 166.364096][ C1] ? free_thread_stack+0x124/0x590 [ 166.369199][ C1] put_task_stack+0xa3/0x130 [ 166.373776][ C1] finish_task_switch+0x3f1/0x550 [ 166.378794][ C1] __schedule+0x9a8/0xcc0 [ 166.383133][ C1] ? ___preempt_schedule_notrace+0x16/0x27 [ 166.389194][ C1] preempt_schedule_notrace+0xdb/0x120 [ 166.394643][ C1] ___preempt_schedule_notrace+0x16/0x27 [ 166.400268][ C1] ? rcu_is_watching+0x57/0xa0 [ 166.405015][ C1] rcu_is_watching+0x82/0xa0 [ 166.409590][ C1] memcg_kmem_get_cache+0x301/0x590 [ 166.415043][ C1] ? __should_failslab+0x11a/0x160 [ 166.420155][ C1] ? proc_alloc_inode+0x1f/0xe0 [ 166.424994][ C1] kmem_cache_alloc+0x86/0x2e0 [ 166.429742][ C1] ? init_once+0x20/0x20 [ 166.433977][ C1] proc_alloc_inode+0x1f/0xe0 [ 166.438639][ C1] ? init_once+0x20/0x20 [ 166.442871][ C1] new_inode_pseudo+0x68/0x240 [ 166.447641][ C1] new_inode+0x28/0x1c0 [ 166.451793][ C1] proc_pid_make_inode+0x27/0x1d0 [ 166.456807][ C1] proc_pid_instantiate+0x4f/0x1a0 [ 166.461904][ C1] proc_pid_lookup+0x21f/0x300 [ 166.466658][ C1] proc_root_lookup+0x22/0x50 [ 166.471347][ C1] __lookup_slow+0x285/0x380 [ 166.475942][ C1] walk_component+0x2d6/0x7b0 [ 166.480622][ C1] ? inode_permission+0xe0/0x520 [ 166.485544][ C1] link_path_walk+0x75b/0x1410 [ 166.490307][ C1] path_openat+0x139/0x44a0 [ 166.494802][ C1] ? __kasan_kmalloc+0x178/0x1b0 [ 166.499734][ C1] ? rcu_read_lock_sched_held+0x10b/0x170 [ 166.505463][ C1] do_filp_open+0x192/0x3d0 [ 166.509963][ C1] ? noop_direct_IO+0x20/0x20 [ 166.514639][ C1] do_sys_open+0x29f/0x560 [ 166.519051][ C1] __x64_sys_open+0x87/0x90 [ 166.523546][ C1] do_syscall_64+0xf7/0x1c0 [ 166.528037][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 166.533919][ C1] RIP: 0033:0x4143f0 [ 166.537801][ C1] Code: 05 48 3d 01 f0 ff ff 0f 83 2d 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 83 3d 7d 40 66 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 04 19 00 00 c3 48 83 ec 08 e8 0a fa ff ff [ 166.557390][ C1] RSP: 002b:00007fff3e4dae48 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 166.565786][ C1] RAX: ffffffffffffffda RBX: 00007fff3e4dae74 RCX: 00000000004143f0 [ 166.573740][ C1] RDX: 00007fff3e4dae7a RSI: 0000000000080001 RDI: 00000000004c00fb [ 166.581697][ C1] RBP: 00007fff3e4dae70 R08: 0000000000000000 R09: 0000000000000004 [ 166.589672][ C1] R10: 0000000000000075 R11: 0000000000000246 R12: 00000000004c00fb [ 166.597636][ C1] R13: 00007fff3e4db390 R14: 0000000000000000 R15: 00007fff3e4db3a0 [ 166.605635][ C1] rcu: rcu_preempt kthread starved for 10533 jiffies! g6425 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 166.616717][ C1] rcu: RCU grace-period kthread stack dump: [ 166.622588][ C1] rcu_preempt R running task 29064 10 2 0x80004000 [ 166.630470][ C1] Call Trace: [ 166.633774][ C1] __schedule+0x9a0/0xcc0 [ 166.638128][ C1] schedule+0x181/0x210 [ 166.642279][ C1] schedule_timeout+0x14f/0x240 [ 166.647136][ C1] ? run_local_timers+0x120/0x120 [ 166.652158][ C1] rcu_gp_kthread+0xed8/0x1770 [ 166.656922][ C1] kthread+0x332/0x350 [ 166.660980][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 166.666080][ C1] ? kthread_blkcg+0xe0/0xe0 [ 166.670668][ C1] ret_from_fork+0x24/0x30