[ 43.795775][ T25] audit: type=1800 audit(1575353178.597:25): pid=8125 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 43.817179][ T25] audit: type=1800 audit(1575353178.597:26): pid=8125 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 43.848476][ T25] audit: type=1800 audit(1575353178.597:27): pid=8125 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. [ 44.446341][ T8191] sshd (8191) used greatest stack depth: 24024 bytes left [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.3' (ECDSA) to the list of known hosts. 2019/12/03 06:06:28 fuzzer started 2019/12/03 06:06:30 dialing manager at 10.128.0.26:38907 2019/12/03 06:06:30 syscalls: 2697 2019/12/03 06:06:30 code coverage: enabled 2019/12/03 06:06:30 comparison tracing: enabled 2019/12/03 06:06:30 extra coverage: extra coverage is not supported by the kernel 2019/12/03 06:06:30 setuid sandbox: enabled 2019/12/03 06:06:30 namespace sandbox: enabled 2019/12/03 06:06:30 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 06:06:30 fault injection: enabled 2019/12/03 06:06:30 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 06:06:30 net packet injection: enabled 2019/12/03 06:06:30 net device setup: enabled 2019/12/03 06:06:30 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 06:06:30 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:06:31 executing program 0: sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f000014f000)={0x0, 0x0, &(0x7f00000bfff0)={&(0x7f0000006440)=@delsa={0x28, 0x11, 0x0, 0x0, 0x0, {@in6=@mcast1}}, 0x28}}, 0x0) r0 = socket(0x200000000000011, 0x4000000000080002, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000140)={'dummy0\x00', 0x0}) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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) bind$packet(r0, &(0x7f0000000000)={0x11, 0x0, r1, 0x1, 0x0, 0x6, @random="ecee8b1483f4"}, 0x14) add_key$keyring(0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe) ioctl$UI_SET_SNDBIT(0xffffffffffffffff, 0x4004556a, 0x0) sendmmsg(r0, &(0x7f0000000d00), 0x400004e, 0x0) 06:06:31 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x8, &(0x7f0000000040)=0xfffffffffffffffe, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e22}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, 0x0, 0x0, 0x20000004, &(0x7f0000b63fe4)={0xa, 0x4e22}, 0x1c) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000000)={0x5, 0xfffffffffffffff7}, 0x8) close(r0) syzkaller login: [ 56.662406][ T8293] IPVS: ftp: loaded support on port[0] = 21 06:06:31 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0x1) setresuid(0x0, 0x0, r1) r2 = socket$inet_udp(0x2, 0x2, 0x0) fstat(r2, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setregid(r3, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = getpid() socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0x1) sendmsg$unix(r4, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)=[@cred={{0x1c, 0x1, 0x2, {r5, r7}}}], 0x20}, 0x0) [ 56.826868][ T8295] IPVS: ftp: loaded support on port[0] = 21 [ 56.888146][ T8293] chnl_net:caif_netlink_parms(): no params data found [ 57.002034][ T8293] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.024759][ T8293] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.032594][ T8293] device bridge_slave_0 entered promiscuous mode 06:06:31 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000240)=0x7fe, 0x4) sendto$inet(r0, 0x0, 0x0, 0x0, &(0x7f0000cd2ff0)={0x2, 0x4e24}, 0x10) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) mmap(&(0x7f0000000000/0xda6000)=nil, 0xda6000, 0x3, 0x64031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000040)) recvmsg(r0, &(0x7f0000edffc8)={0x0, 0x0, 0x0, 0x0, &(0x7f0000603000)=""/81, 0x51}, 0x40002102) [ 57.061860][ T8299] IPVS: ftp: loaded support on port[0] = 21 [ 57.071366][ T8293] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.099530][ T8293] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.107522][ T8293] device bridge_slave_1 entered promiscuous mode [ 57.126520][ T8295] chnl_net:caif_netlink_parms(): no params data found [ 57.206454][ T8293] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.255913][ T8293] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.267042][ T8301] IPVS: ftp: loaded support on port[0] = 21 [ 57.278862][ T8295] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.289372][ T8295] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.299454][ T8295] device bridge_slave_0 entered promiscuous mode [ 57.317463][ T8295] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.325436][ T8295] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.333218][ T8295] device bridge_slave_1 entered promiscuous mode [ 57.352181][ T8293] team0: Port device team_slave_0 added [ 57.371860][ T8293] team0: Port device team_slave_1 added 06:06:32 executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) write(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_GET_VCPU_EVENTS(r2, 0x4004ae86, &(0x7f0000000140)) [ 57.432077][ T8295] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.489760][ T8293] device hsr_slave_0 entered promiscuous mode [ 57.546710][ T8293] device hsr_slave_1 entered promiscuous mode 06:06:32 executing program 5: bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x9, 0x3, &(0x7f0000346fc8)=@framed, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x78) [ 57.624060][ T8295] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.644311][ T8303] IPVS: ftp: loaded support on port[0] = 21 [ 57.693904][ T8299] chnl_net:caif_netlink_parms(): no params data found [ 57.782366][ T8295] team0: Port device team_slave_0 added [ 57.789190][ T8293] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.864330][ T8293] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.933122][ T8295] team0: Port device team_slave_1 added [ 57.953714][ T8293] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.989670][ T8293] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.117092][ T8295] device hsr_slave_0 entered promiscuous mode [ 58.155045][ T8295] device hsr_slave_1 entered promiscuous mode [ 58.184736][ T8295] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.204799][ T8301] chnl_net:caif_netlink_parms(): no params data found [ 58.217434][ T8307] IPVS: ftp: loaded support on port[0] = 21 [ 58.230788][ T8299] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.239231][ T8299] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.247587][ T8299] device bridge_slave_0 entered promiscuous mode [ 58.272286][ T8299] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.280182][ T8299] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.287880][ T8299] device bridge_slave_1 entered promiscuous mode [ 58.339646][ T8295] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.406208][ T8301] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.413354][ T8301] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.422815][ T8301] device bridge_slave_0 entered promiscuous mode [ 58.431762][ T8301] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.438916][ T8301] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.447063][ T8301] device bridge_slave_1 entered promiscuous mode [ 58.460375][ T8299] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.472626][ T8295] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.518098][ T8295] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.590819][ T8299] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.608151][ T8295] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.667354][ T8301] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.690645][ T8299] team0: Port device team_slave_0 added [ 58.699417][ T8299] team0: Port device team_slave_1 added [ 58.706328][ T8301] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.760202][ T8301] team0: Port device team_slave_0 added [ 58.772537][ T8301] team0: Port device team_slave_1 added [ 58.780737][ T8303] chnl_net:caif_netlink_parms(): no params data found [ 58.828394][ T8307] chnl_net:caif_netlink_parms(): no params data found [ 58.917438][ T8301] device hsr_slave_0 entered promiscuous mode [ 58.944894][ T8301] device hsr_slave_1 entered promiscuous mode [ 59.004547][ T8301] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.046576][ T8299] device hsr_slave_0 entered promiscuous mode [ 59.084794][ T8299] device hsr_slave_1 entered promiscuous mode [ 59.124540][ T8299] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.192565][ T8303] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.201142][ T8303] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.209120][ T8303] device bridge_slave_0 entered promiscuous mode [ 59.218075][ T8303] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.225228][ T8303] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.232893][ T8303] device bridge_slave_1 entered promiscuous mode [ 59.247475][ T8307] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.254742][ T8307] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.262437][ T8307] device bridge_slave_0 entered promiscuous mode [ 59.289215][ T8307] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.296390][ T8307] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.303969][ T8307] device bridge_slave_1 entered promiscuous mode [ 59.333541][ T8301] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.376616][ T8301] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.427453][ T8303] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.451130][ T8307] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.462325][ T8301] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.487204][ T8299] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.537621][ T8303] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.549973][ T8293] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.560439][ T8307] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.570395][ T8301] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 59.636171][ T8299] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.680208][ T8299] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.737373][ T8299] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.796995][ T8295] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.818810][ T8303] team0: Port device team_slave_0 added [ 59.826284][ T8293] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.834003][ T8303] team0: Port device team_slave_1 added [ 59.842677][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.851174][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.861631][ T8307] team0: Port device team_slave_0 added [ 59.877110][ T8307] team0: Port device team_slave_1 added [ 59.947243][ T8303] device hsr_slave_0 entered promiscuous mode [ 60.004917][ T8303] device hsr_slave_1 entered promiscuous mode [ 60.044544][ T8303] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.063957][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.072339][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.080229][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.089139][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.097860][ T3042] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.105063][ T3042] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.113902][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.139569][ T8295] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.172590][ T3703] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.181689][ T3703] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.191535][ T3703] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.198898][ T3703] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.206827][ T3703] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.215653][ T3703] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.224035][ T3703] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.232784][ T3703] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.241247][ T3703] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.248349][ T3703] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.260143][ T3703] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.279994][ T3703] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.288568][ T3703] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.297900][ T3703] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.308113][ T3703] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.316597][ T3703] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.325427][ T3703] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.333985][ T3703] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.341149][ T3703] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.348759][ T3703] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.426348][ T8307] device hsr_slave_0 entered promiscuous mode [ 60.474868][ T8307] device hsr_slave_1 entered promiscuous mode [ 60.524643][ T8307] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.538679][ T8293] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.549458][ T8293] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.565062][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.572770][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.581936][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.593306][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.602312][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.610878][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.619193][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.627964][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.636673][ T8303] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.676964][ T8303] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.718169][ T8303] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.777330][ T8303] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.822768][ T8311] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.830957][ T8311] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.839646][ T8311] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.850149][ T8311] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.879174][ T8299] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.892615][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.901851][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.910779][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.919117][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.943607][ T8301] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.962442][ T8299] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.972158][ T8295] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.983866][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.991989][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.999520][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.007531][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.021117][ T8301] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.037432][ T3703] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.049145][ T3703] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.057318][ T3703] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.066561][ T3703] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.075297][ T3703] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.082343][ T3703] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.091302][ T3703] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.103629][ T8293] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.111940][ T8307] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 61.147949][ T8307] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 61.213804][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.222521][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.231435][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.238542][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.248030][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.258129][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.266538][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.273598][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.281208][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.290032][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.298415][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.305481][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.313056][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.322144][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.332408][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.340601][ T8307] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 61.386898][ T8307] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 61.437577][ T8295] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.463506][ T8299] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.476335][ T8299] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.490364][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.499043][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.507009][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.516201][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.525115][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.533704][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.542364][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.551906][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.560638][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.568938][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.577264][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.627509][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.635584][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.643186][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.661801][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.671974][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.682018][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.697599][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.706306][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.713934][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.738314][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.751697][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.760792][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 166.704382][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 166.711379][ C1] (detected by 1, t=10502 jiffies, g=6629, q=331) [ 166.717892][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953794-4294943291), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 166.731243][ C1] syz-executor.0 R running task 24648 8293 8292 0x0000400a [ 166.739145][ C1] Call Trace: [ 166.742595][ C1] [ 166.745449][ C1] sched_show_task+0x40f/0x560 [ 166.750213][ C1] rcu_sched_clock_irq+0x1861/0x1ad0 [ 166.755509][ C1] update_process_times+0x12d/0x180 [ 166.760705][ C1] tick_sched_timer+0x263/0x420 [ 166.765556][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.771104][ C1] __hrtimer_run_queues+0x403/0x840 [ 166.776331][ C1] hrtimer_interrupt+0x38c/0xda0 [ 166.781295][ C1] ? debug_smp_processor_id+0x9/0x20 [ 166.786574][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 166.792113][ C1] apic_timer_interrupt+0xf/0x20 [ 166.797057][ C1] [ 166.799991][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x1c/0x50 [ 166.806134][ C1] Code: cc 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 f7 c2 00 01 1f 00 75 2c <8b> 91 80 13 00 00 83 fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 [ 166.826011][ C1] RSP: 0018:ffffc900021c7c28 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 166.834434][ C1] RAX: ffffffff81487433 RBX: 0000000000000000 RCX: ffff88809428a100 [ 166.842480][ C1] RDX: 0000000000000001 RSI: 00000000fffffffc RDI: ffffea0002479240 [ 166.850518][ C1] RBP: ffffc900021c7c50 R08: dffffc0000000000 R09: fffffbfff1287025 [ 166.858633][ C1] R10: fffffbfff1287025 R11: 0000000000000000 R12: dffffc0000000000 [ 166.866603][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff888091c57428 [ 166.874582][ C1] ? mod_memcg_page_state+0x123/0x190 [ 166.879952][ C1] ? free_thread_stack+0x124/0x590 [ 166.885057][ C1] ? mod_memcg_page_state+0x123/0x190 [ 166.890541][ C1] free_thread_stack+0x168/0x590 [ 166.895471][ C1] put_task_stack+0xa3/0x130 [ 166.900052][ C1] finish_task_switch+0x3f1/0x550 [ 166.905071][ C1] __schedule+0x9a8/0xcc0 [ 166.909400][ C1] ? ___preempt_schedule+0x16/0x18 [ 166.914523][ C1] preempt_schedule+0xdb/0x120 [ 166.919278][ C1] ___preempt_schedule+0x16/0x18 [ 166.924210][ C1] _raw_read_unlock+0x3a/0x40 [ 166.928970][ C1] __se_sys_kill+0x5e9/0x6c0 [ 166.933557][ C1] __x64_sys_kill+0x5b/0x70 [ 166.938054][ C1] do_syscall_64+0xf7/0x1c0 [ 166.942546][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 166.948434][ C1] RIP: 0033:0x422a17 [ 166.952316][ C1] Code: 44 00 00 48 c7 c2 d4 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 b8 3e 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 dd 32 ff ff c3 66 2e 0f 1f 84 00 00 00 00 [ 166.971908][ C1] RSP: 002b:00007fff38dca538 EFLAGS: 00000293 ORIG_RAX: 000000000000003e [ 166.980332][ C1] RAX: ffffffffffffffda RBX: 0000000000000064 RCX: 0000000000422a17 [ 166.988434][ C1] RDX: 0000000000000bb8 RSI: 0000000000000009 RDI: 00000000fffffffe [ 166.996419][ C1] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000001c62940 [ 167.004387][ C1] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000008 [ 167.012356][ C1] R13: 00007fff38dca570 R14: 000000000000f0b6 R15: 00007fff38dca580 [ 167.020344][ C1] rcu: rcu_preempt kthread starved for 10533 jiffies! g6629 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 167.031427][ C1] rcu: RCU grace-period kthread stack dump: [ 167.037308][ C1] rcu_preempt R running task 29032 10 2 0x80004008 [ 167.045200][ C1] Call Trace: [ 167.048491][ C1] __schedule+0x9a8/0xcc0 [ 167.052817][ C1] schedule+0x181/0x210 [ 167.056965][ C1] schedule_timeout+0x14f/0x240 [ 167.061804][ C1] ? run_local_timers+0x120/0x120 [ 167.066824][ C1] rcu_gp_kthread+0xed8/0x1770 [ 167.071587][ C1] kthread+0x332/0x350 [ 167.075641][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 167.080743][ C1] ? kthread_blkcg+0xe0/0xe0 [ 167.085325][ C1] ret_from_fork+0x24/0x30