[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 53.716854][ T27] audit: type=1800 audit(1578464495.206:25): pid=8285 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 53.737265][ T27] audit: type=1800 audit(1578464495.206:26): pid=8285 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 53.757212][ T27] audit: type=1800 audit(1578464495.216:27): pid=8285 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 '10.128.0.73' (ECDSA) to the list of known hosts. 2020/01/08 06:21:42 fuzzer started 2020/01/08 06:21:45 dialing manager at 10.128.0.26:35703 2020/01/08 06:21:45 syscalls: 2824 2020/01/08 06:21:45 code coverage: enabled 2020/01/08 06:21:45 comparison tracing: enabled 2020/01/08 06:21:45 extra coverage: enabled 2020/01/08 06:21:45 setuid sandbox: enabled 2020/01/08 06:21:45 namespace sandbox: enabled 2020/01/08 06:21:45 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 06:21:45 fault injection: enabled 2020/01/08 06:21:45 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 06:21:45 net packet injection: enabled 2020/01/08 06:21:45 net device setup: enabled 2020/01/08 06:21:45 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 06:21:45 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:21:46 executing program 0: sendmsg$key(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00008feff0)={0x0}}, 0x0) sendmsg$key(0xffffffffffffffff, &(0x7f0000000100)={0x4, 0x0, &(0x7f00008feff0)={&(0x7f00000006c0)=ANY=[@ANYBLOB="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"], 0x80}}, 0x0) r0 = socket$key(0xf, 0x3, 0x2) sendmmsg(r0, &(0x7f00000000c0), 0x4000676, 0x0) 06:21:46 executing program 1: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) splice(r0, 0x0, r2, 0x0, 0x8ec0, 0x0) close(r1) syzkaller login: [ 64.888498][ T8452] IPVS: ftp: loaded support on port[0] = 21 06:21:46 executing program 2: unshare(0x2a000400) r0 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ubi_ctrl\x00', 0x0, 0x0) ioctl$KVM_GET_LAPIC(r0, 0x40046f41, 0x0) [ 65.034169][ T8455] IPVS: ftp: loaded support on port[0] = 21 [ 65.065289][ T8452] chnl_net:caif_netlink_parms(): no params data found [ 65.149103][ T8452] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.170901][ T8452] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.191307][ T8452] device bridge_slave_0 entered promiscuous mode [ 65.215972][ T8452] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.224845][ T8452] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.233126][ T8452] device bridge_slave_1 entered promiscuous mode [ 65.278113][ T8457] IPVS: ftp: loaded support on port[0] = 21 [ 65.298778][ T8452] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.314592][ T8452] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.331124][ T8455] chnl_net:caif_netlink_parms(): no params data found 06:21:46 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f00000001c0)) perf_event_open(&(0x7f000001d000)={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, 0x2, @perf_bp={&(0x7f0000000180), 0x1}, 0x1c10}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_MODIFY_ATTRIBUTES(0xffffffffffffffff, 0x4008240b, &(0x7f00000003c0)={0x5, 0x70, 0x1f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x320c) ioctl$IMDELTIMER(0xffffffffffffffff, 0x80044941, &(0x7f0000000140)) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@textreal={0x8, &(0x7f0000000080)="baa100b000eef36cba2100ec66b9800000c00f326635001000000f30bad104ecc80080d267d9f8f30f1bb429000f20c06635200000000f22c067f3af", 0x3c}], 0x1, 0x0, 0x0, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) perf_event_open(&(0x7f0000000040)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50c, 0x80, 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, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r2, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x1000, &(0x7f0000000000/0x1000)=nil}) ioctl$KVM_SET_REGS(r3, 0x4090ae82, &(0x7f0000000200)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff], 0x1f000}) ioctl$KVM_RUN(r3, 0xae80, 0x0) [ 65.377173][ T8452] team0: Port device team_slave_0 added [ 65.388436][ T8452] team0: Port device team_slave_1 added [ 65.449746][ T8455] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.470804][ T8455] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.478623][ T8455] device bridge_slave_0 entered promiscuous mode [ 65.542466][ T8452] device hsr_slave_0 entered promiscuous mode 06:21:47 executing program 4: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x1f, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bind$unix(0xffffffffffffffff, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) write$binfmt_elf64(0xffffffffffffffff, &(0x7f0000000180)=ANY=[@ANYBLOB="00e696"], 0x3) writev(0xffffffffffffffff, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x3) r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f0000000380)) fcntl$getown(0xffffffffffffffff, 0x9) bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f00000000c0), 0xc) fallocate(0xffffffffffffffff, 0x3, 0x0, 0x0) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) lseek(r1, 0x800002, 0x0) write$binfmt_elf64(r1, &(0x7f0000000180)=ANY=[@ANYBLOB="00e696"], 0x3) fallocate(r1, 0x3, 0x0, 0x8020003) write$binfmt_elf64(0xffffffffffffffff, &(0x7f0000000180)=ANY=[@ANYBLOB="00e696"], 0x3) lseek(0xffffffffffffffff, 0x800002, 0x0) [ 65.591307][ T8452] device hsr_slave_1 entered promiscuous mode [ 65.639505][ T8455] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.661414][ T8455] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.669280][ T8455] device bridge_slave_1 entered promiscuous mode [ 65.707888][ T8455] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.743150][ T8460] IPVS: ftp: loaded support on port[0] = 21 [ 65.752058][ T8455] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.828446][ T8455] team0: Port device team_slave_0 added 06:21:47 executing program 5: sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x50000000000, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB='\b\x00\x00\x00{', @ANYRES32, @ANYBLOB="00000060ffffffff000000f20a000100636f64656c00fdff4b00020008000500000000000800020000000000080005000000000008000300000000000800050000008100080004000000000008000200000000000800010000000000a802040000000000"], 0x7c}}, 0x0) r0 = socket(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_TX_RING(r0, 0x10e, 0xc, &(0x7f0000000040)={0x7ff}, 0x17f) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) write(0xffffffffffffffff, &(0x7f00000000c0)="240000001e005f0214fffffffff807000000000000000000", 0x18) sendmmsg$alg(r0, &(0x7f0000000140), 0x4924b68, 0x0) [ 65.906003][ T8462] IPVS: ftp: loaded support on port[0] = 21 [ 65.913562][ T8455] team0: Port device team_slave_1 added [ 66.005275][ T8457] chnl_net:caif_netlink_parms(): no params data found [ 66.023607][ T8452] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.105273][ T8452] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.213599][ T8455] device hsr_slave_0 entered promiscuous mode [ 66.251204][ T8455] device hsr_slave_1 entered promiscuous mode [ 66.290939][ T8455] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.298767][ T8455] Cannot create hsr debugfs directory [ 66.318179][ T8452] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.375093][ T8452] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.434792][ T8465] IPVS: ftp: loaded support on port[0] = 21 [ 66.476821][ T8457] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.484158][ T8457] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.491864][ T8457] device bridge_slave_0 entered promiscuous mode [ 66.515761][ T8457] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.523680][ T8457] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.531610][ T8457] device bridge_slave_1 entered promiscuous mode [ 66.594737][ T8460] chnl_net:caif_netlink_parms(): no params data found [ 66.604619][ T8457] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.617267][ T8457] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.699251][ T8457] team0: Port device team_slave_0 added [ 66.710382][ T8457] team0: Port device team_slave_1 added [ 66.722360][ T8455] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 66.814019][ T8455] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 66.863431][ T8455] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 66.904396][ T8455] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 66.954431][ T8462] chnl_net:caif_netlink_parms(): no params data found [ 66.972859][ T8460] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.979985][ T8460] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.988022][ T8460] device bridge_slave_0 entered promiscuous mode [ 66.997432][ T8460] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.005262][ T8460] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.013456][ T8460] device bridge_slave_1 entered promiscuous mode [ 67.063489][ T8457] device hsr_slave_0 entered promiscuous mode [ 67.101250][ T8457] device hsr_slave_1 entered promiscuous mode [ 67.160918][ T8457] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.168553][ T8457] Cannot create hsr debugfs directory [ 67.231607][ T8460] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.259456][ T8462] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.268719][ T8462] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.277312][ T8462] device bridge_slave_0 entered promiscuous mode [ 67.285778][ T8462] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.292899][ T8462] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.300602][ T8462] device bridge_slave_1 entered promiscuous mode [ 67.308779][ T8460] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.318598][ T8465] chnl_net:caif_netlink_parms(): no params data found [ 67.375514][ T8460] team0: Port device team_slave_0 added [ 67.398495][ T8462] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.410374][ T8462] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.429565][ T8460] team0: Port device team_slave_1 added [ 67.464389][ T8457] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 67.532522][ T8457] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 67.630304][ T8452] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.638028][ T8457] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 67.688246][ T8462] team0: Port device team_slave_0 added [ 67.722488][ T8460] device hsr_slave_0 entered promiscuous mode [ 67.771619][ T8460] device hsr_slave_1 entered promiscuous mode [ 67.811671][ T8460] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.819271][ T8460] Cannot create hsr debugfs directory [ 67.827871][ T8457] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 67.872196][ T8465] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.879308][ T8465] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.888007][ T8465] device bridge_slave_0 entered promiscuous mode [ 67.896492][ T8462] team0: Port device team_slave_1 added [ 67.936494][ T8465] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.945504][ T8465] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.953528][ T8465] device bridge_slave_1 entered promiscuous mode [ 67.965059][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.973318][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.983508][ T8452] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.992656][ T8455] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.032549][ T8462] device hsr_slave_0 entered promiscuous mode [ 68.081184][ T8462] device hsr_slave_1 entered promiscuous mode [ 68.120912][ T8462] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.128510][ T8462] Cannot create hsr debugfs directory [ 68.158759][ T8465] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.178943][ T8465] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.191969][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.201220][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.209837][ T2916] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.216998][ T2916] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.250626][ T8465] team0: Port device team_slave_0 added [ 68.259781][ T3253] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.289349][ T8465] team0: Port device team_slave_1 added [ 68.319838][ T8455] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.336887][ T3253] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.346103][ T3253] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.355080][ T3253] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.362177][ T3253] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.369898][ T3253] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.377770][ T3253] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.385496][ T3253] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.394146][ T3253] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.402590][ T3253] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.411253][ T3253] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.418316][ T3253] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.425958][ T3253] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.434786][ T3253] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.443141][ T3253] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.450183][ T3253] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.459123][ T3253] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.512732][ T8465] device hsr_slave_0 entered promiscuous mode [ 68.561496][ T8465] device hsr_slave_1 entered promiscuous mode [ 68.590866][ T8465] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.598515][ T8465] Cannot create hsr debugfs directory [ 68.620817][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.638087][ T3253] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.646962][ T3253] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.656955][ T3253] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.665687][ T3253] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.708676][ T8462] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 68.783167][ T8462] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 68.822507][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.830486][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.839094][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.847410][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.856415][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.864878][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.880891][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.889353][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.916674][ T8462] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 68.962035][ T8460] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 69.013348][ T2796] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.022144][ T2796] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.030571][ T2796] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.038973][ T2796] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.047972][ T8452] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.062722][ T8462] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 69.113097][ T8460] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 69.179973][ T8455] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.191150][ T8455] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.230141][ T8460] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 69.253584][ T2953] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.262677][ T2953] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.271192][ T2953] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.279374][ T2953] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.287842][ T2953] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.295910][ T2953] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.306444][ T2953] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.325333][ T8452] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.332995][ T8460] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 69.398141][ T8457] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.422477][ T8457] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.441540][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.449331][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.458138][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.465969][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.473731][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.483303][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.492017][ T2916] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.499059][ T2916] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.507329][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.523093][ T8455] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.558948][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.569519][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.578773][ T2804] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.585931][ T2804] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.594867][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.603471][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.612206][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.620566][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.629098][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.637651][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.649157][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.676822][ T8457] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.688187][ T8457] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.710295][ T8465] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 69.772642][ T2953] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.784286][ T2953] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.792611][ T2953] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.802901][ T2953] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.811595][ T2953] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.819824][ T2953] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.830000][ T2953] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.850326][ T8452] device veth0_vlan entered promiscuous mode [ 69.858534][ T8465] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 69.922320][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.932315][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.943261][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.951565][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.964287][ T8452] device veth1_vlan entered promiscuous mode [ 69.972977][ T8465] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 70.022631][ T8465] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 70.087687][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.099248][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.106827][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.114343][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.123320][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.137377][ T8457] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.166051][ T8462] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.180444][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.189533][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.197992][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.206534][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.214253][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.222567][ T8455] device veth0_vlan entered promiscuous mode [ 70.232333][ T8460] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.260812][ T8462] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.279222][ T8455] device veth1_vlan entered promiscuous mode [ 70.286191][ T2953] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.297526][ T2953] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.305608][ T2953] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.313580][ T2953] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.321445][ T2953] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.368932][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.382585][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.391851][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.400500][ T2916] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.407615][ T2916] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.416212][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.425728][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.434605][ T2916] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.441766][ T2916] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.449883][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.458975][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.468246][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.506283][ T8462] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.516887][ T8462] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.551157][ T8462] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.579110][ T8457] device veth0_vlan entered promiscuous mode [ 175.390715][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 175.397720][ C1] rcu: 1-...!: (10499 ticks this GP) idle=776/1/0x4000000000000002 softirq=13276/13276 fqs=10 [ 175.408314][ C1] (t=10501 jiffies g=6821 q=317) [ 175.413348][ C1] rcu: rcu_preempt kthread starved for 10482 jiffies! g6821 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 175.424444][ C1] rcu: RCU grace-period kthread stack dump: [ 175.430319][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 175.438203][ C1] Call Trace: [ 175.441484][ C1] __schedule+0x9a0/0xcc0 [ 175.445813][ C1] schedule+0x181/0x210 [ 175.449957][ C1] schedule_timeout+0x14f/0x240 [ 175.454800][ C1] ? run_local_timers+0x120/0x120 [ 175.459816][ C1] rcu_gp_kthread+0xed8/0x1770 [ 175.464580][ C1] kthread+0x332/0x350 [ 175.468633][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 175.473740][ C1] ? kthread_blkcg+0xe0/0xe0 [ 175.478343][ C1] ret_from_fork+0x24/0x30 [ 175.482769][ C1] NMI backtrace for cpu 1 [ 175.487093][ C1] CPU: 1 PID: 8471 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 175.495665][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.505724][ C1] Call Trace: [ 175.508996][ C1] [ 175.511843][ C1] dump_stack+0x1fb/0x318 [ 175.516164][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 175.521018][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 175.527171][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 175.533236][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 175.539236][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 175.545142][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 175.550261][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 175.555484][ C1] ? trace_hardirqs_off+0x74/0x80 [ 175.560515][ C1] update_process_times+0x12d/0x180 [ 175.565847][ C1] tick_sched_timer+0x263/0x420 [ 175.570694][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 175.576233][ C1] __hrtimer_run_queues+0x403/0x840 [ 175.581442][ C1] hrtimer_interrupt+0x38c/0xda0 [ 175.586384][ C1] ? debug_smp_processor_id+0x9/0x20 [ 175.591660][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 175.597204][ C1] apic_timer_interrupt+0xf/0x20 [ 175.602128][ C1] [ 175.605055][ C1] RIP: 0010:__memcg_kmem_uncharge+0x44/0x1a0 [ 175.611037][ C1] Code: fc ff df 4c 8d 77 38 4d 89 f5 49 c1 ed 03 41 80 7c 05 00 00 74 08 4c 89 f7 e8 48 07 fb ff 4d 8b 3e b8 01 00 00 00 89 d9 d3 e0 <4d> 85 ff 0f 84 de 00 00 00 4c 39 3d a4 be ac 07 0f 84 2c 01 00 00 [ 175.630631][ C1] RSP: 0018:ffffc90002627e00 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 175.639133][ C1] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 [ 175.647122][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002538f40 [ 175.655192][ C1] RBP: ffffc90002627e30 R08: 000000000003a728 R09: ffffed1013aadf49 [ 175.663176][ C1] R10: ffffed1013aadf49 R11: 0000000000000000 R12: ffffea0002538f40 [ 175.671275][ C1] R13: 1ffffd40004a71ef R14: ffffea0002538f78 R15: 0000000000000000 [ 175.679287][ C1] ? free_thread_stack+0x124/0x590 [ 175.684413][ C1] free_thread_stack+0x12e/0x590 [ 175.689350][ C1] put_task_stack+0xa3/0x130 [ 175.693936][ C1] finish_task_switch+0x3f1/0x550 [ 175.698959][ C1] schedule_tail+0x20/0x1a0 [ 175.703455][ C1] ret_from_fork+0x8/0x30 [ 175.707773][ C1] RIP: 0033:0x45d919 [ 175.711668][ C1] 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 [ 175.731260][ C1] RSP: 002b:00007f8c95fdfdb0 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 175.739664][ C1] RAX: 0000000000000000 RBX: 00007f8c95fe0700 RCX: 000000000045d919 [ 175.747637][ C1] RDX: 00007f8c95fe09d0 RSI: 00007f8c95fdfdb0 RDI: 00000000003d0f00 [ 175.755610][ C1] RBP: 00007ffc6d7f6860 R08: 00007f8c95fe0700 R09: 00007f8c95fe0700 [ 175.763585][ C1] R10: 00007f8c95fe09d0 R11: 0000000000000202 R12: 0000000000000000 [ 175.771554][ C1] R13: 00007ffc6d7f66ff R14: 00007f8c95fe09c0 R15: 000000000075bf2c