[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 41.639673][ T25] audit: type=1800 audit(1575412751.111:25): pid=8016 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 41.659396][ T25] audit: type=1800 audit(1575412751.121:26): pid=8016 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 41.720511][ T25] audit: type=1800 audit(1575412751.121:27): pid=8016 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 '10.128.10.37' (ECDSA) to the list of known hosts. 2019/12/03 22:39:21 fuzzer started 2019/12/03 22:39:22 dialing manager at 10.128.0.26:42111 2019/12/03 22:39:22 syscalls: 2689 2019/12/03 22:39:22 code coverage: enabled 2019/12/03 22:39:22 comparison tracing: enabled 2019/12/03 22:39:22 extra coverage: extra coverage is not supported by the kernel 2019/12/03 22:39:22 setuid sandbox: enabled 2019/12/03 22:39:22 namespace sandbox: enabled 2019/12/03 22:39:22 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 22:39:22 fault injection: enabled 2019/12/03 22:39:22 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 22:39:22 net packet injection: enabled 2019/12/03 22:39:22 net device setup: enabled 2019/12/03 22:39:22 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 22:39:22 devlink PCI setup: PCI device 0000:00:10.0 is not available 22:39:23 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) unshare(0x8000400) r2 = syz_init_net_socket$ax25(0x3, 0x5, 0x0) setsockopt$ax25_int(r2, 0x101, 0x9, &(0x7f0000000000), 0x4) 22:39:23 executing program 1: r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000100)='/dev/null\x00', 0x40001, 0x0) write$P9_RREMOVE(r0, 0x0, 0x0) syzkaller login: [ 54.458771][ T8180] IPVS: ftp: loaded support on port[0] = 21 [ 54.597990][ T8180] chnl_net:caif_netlink_parms(): no params data found [ 54.612283][ T8182] IPVS: ftp: loaded support on port[0] = 21 22:39:24 executing program 2: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x3ea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f0000000140)="180000003100050ad25a80648c6394fb0324fc0010000b40", 0x18}], 0x1, 0x0, 0x0, 0xff7f0000}, 0x0) [ 54.645466][ T8180] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.653089][ T8180] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.661123][ T8180] device bridge_slave_0 entered promiscuous mode [ 54.673343][ T8180] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.680477][ T8180] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.694741][ T8180] device bridge_slave_1 entered promiscuous mode [ 54.774832][ T8180] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.806559][ T8180] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 22:39:24 executing program 3: sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000c8d000)={&(0x7f0000000080)=ANY=[@ANYBLOB="200000000101010074b3000000000000000000000c00120008000100df21f402"], 0x20}}, 0x0) r0 = socket(0x10, 0x80002, 0x9) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) sendmmsg$alg(r0, &(0x7f0000000140), 0xffffffffffffff68, 0x0) [ 54.896459][ T8180] team0: Port device team_slave_0 added [ 54.904593][ T8180] team0: Port device team_slave_1 added [ 54.921086][ T8185] IPVS: ftp: loaded support on port[0] = 21 [ 54.967334][ T8182] chnl_net:caif_netlink_parms(): no params data found 22:39:24 executing program 4: r0 = socket$inet6(0xa, 0x80003, 0xff) ioctl(r0, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") bpf$MAP_CREATE(0x0, &(0x7f0000000280)={0x14, 0x4, 0x4, 0x47, 0x0, 0xffffffffffffffff, 0x0, [0x2]}, 0x3c) [ 55.034683][ T8180] device hsr_slave_0 entered promiscuous mode [ 55.072444][ T8180] device hsr_slave_1 entered promiscuous mode [ 55.161616][ T8188] IPVS: ftp: loaded support on port[0] = 21 [ 55.276672][ T8180] netdevsim netdevsim0 netdevsim0: renamed from eth0 22:39:24 executing program 5: r0 = openat$ttynull(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ttynull\x00', 0x101002, 0x0) write$RDMA_USER_CM_CMD_REJECT(r0, &(0x7f0000000240)={0x9, 0x108, 0xfa00, {0xffffffffffffffff, 0x0, "3e5a90", "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"}}, 0x110) [ 55.334306][ T8180] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.366792][ T8182] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.382182][ T8182] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.390800][ T8182] device bridge_slave_0 entered promiscuous mode [ 55.403350][ T8182] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.410414][ T8182] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.418687][ T8182] device bridge_slave_1 entered promiscuous mode [ 55.430248][ T8180] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.495638][ T8180] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.550945][ T8182] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.567308][ T8190] IPVS: ftp: loaded support on port[0] = 21 [ 55.585587][ T8182] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.634536][ T8192] IPVS: ftp: loaded support on port[0] = 21 [ 55.645838][ T8182] team0: Port device team_slave_0 added [ 55.653000][ T8182] team0: Port device team_slave_1 added [ 55.714517][ T8182] device hsr_slave_0 entered promiscuous mode [ 55.753269][ T8182] device hsr_slave_1 entered promiscuous mode [ 55.792312][ T8182] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.868712][ T8188] chnl_net:caif_netlink_parms(): no params data found [ 55.923946][ T8185] chnl_net:caif_netlink_parms(): no params data found [ 55.933699][ T8182] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 55.963981][ T8182] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 56.026071][ T8182] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 56.085168][ T8182] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 56.133850][ T8188] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.140956][ T8188] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.149058][ T8188] device bridge_slave_0 entered promiscuous mode [ 56.159336][ T8188] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.166457][ T8188] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.174733][ T8188] device bridge_slave_1 entered promiscuous mode [ 56.252048][ T8190] chnl_net:caif_netlink_parms(): no params data found [ 56.268252][ T8188] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.296882][ T8188] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.314876][ T8192] chnl_net:caif_netlink_parms(): no params data found [ 56.355293][ T8188] team0: Port device team_slave_0 added [ 56.363740][ T8188] team0: Port device team_slave_1 added [ 56.424812][ T8188] device hsr_slave_0 entered promiscuous mode [ 56.473897][ T8188] device hsr_slave_1 entered promiscuous mode [ 56.512268][ T8188] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.525142][ T8185] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.533691][ T8185] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.541255][ T8185] device bridge_slave_0 entered promiscuous mode [ 56.557395][ T8180] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.569982][ T8185] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.577313][ T8185] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.585393][ T8185] device bridge_slave_1 entered promiscuous mode [ 56.621631][ T8190] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.629152][ T8190] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.636976][ T8190] device bridge_slave_0 entered promiscuous mode [ 56.648785][ T8192] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.655988][ T8192] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.664208][ T8192] device bridge_slave_0 entered promiscuous mode [ 56.677370][ T8180] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.694150][ T8193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.702961][ T8193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.711023][ T8193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.720576][ T8193] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.729305][ T8193] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.736507][ T8193] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.745198][ T8190] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.752933][ T8190] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.760509][ T8190] device bridge_slave_1 entered promiscuous mode [ 56.769020][ T8185] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.780787][ T8185] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.791511][ T8192] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.799079][ T8192] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.807137][ T8192] device bridge_slave_1 entered promiscuous mode [ 56.825729][ T2955] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.833675][ T2955] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.843120][ T2955] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.851467][ T2955] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.858626][ T2955] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.866988][ T2955] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.901462][ T8185] team0: Port device team_slave_0 added [ 56.911434][ T8188] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 56.957610][ T8188] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 57.006415][ T8185] team0: Port device team_slave_1 added [ 57.015255][ T8192] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.027875][ T8190] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.037341][ T8188] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 57.109553][ T8188] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 57.176335][ T8192] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.192744][ T8190] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.233007][ T8192] team0: Port device team_slave_0 added [ 57.265096][ T8185] device hsr_slave_0 entered promiscuous mode [ 57.312447][ T8185] device hsr_slave_1 entered promiscuous mode [ 57.362228][ T8185] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.377093][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.386489][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.395597][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.404033][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.412889][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.421095][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.429419][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.437820][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.450178][ T8182] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.459407][ T8192] team0: Port device team_slave_1 added [ 57.467747][ T8190] team0: Port device team_slave_0 added [ 57.478961][ T2955] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.487385][ T2955] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.514735][ T8190] team0: Port device team_slave_1 added [ 57.524952][ T8182] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.585474][ T8192] device hsr_slave_0 entered promiscuous mode [ 57.612524][ T8192] device hsr_slave_1 entered promiscuous mode [ 57.662273][ T8192] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.674404][ T8180] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.682736][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.690674][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.730683][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.740872][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.750671][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.757773][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.765717][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.774358][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.783415][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.790454][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.823925][ T8185] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 57.864392][ T8185] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 57.974965][ T8190] device hsr_slave_0 entered promiscuous mode [ 58.012778][ T8190] device hsr_slave_1 entered promiscuous mode [ 58.052328][ T8190] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.060016][ T2955] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.068100][ T2955] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.076723][ T2955] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.085442][ T2955] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.094511][ T2955] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.120122][ T8185] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.155171][ T8192] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 58.214802][ T8193] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.222844][ T8193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.231289][ T8193] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.240064][ T8193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.248481][ T8193] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.259191][ T8188] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.270377][ T8185] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.313449][ T8192] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 58.384540][ T8192] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 58.447926][ T8182] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.459475][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.488616][ T8192] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 58.544789][ T3893] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.554695][ T3893] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.563471][ T3893] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.571035][ T3893] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.579190][ T3893] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.586998][ T3893] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.598303][ T8180] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.611801][ T8188] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.645923][ T3893] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.656819][ T3893] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.668840][ T3893] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.675972][ T3893] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.684250][ T3893] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.691761][ T3893] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.714157][ T8190] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 58.774814][ T8190] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 58.827311][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.835410][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.844264][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.854771][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.861956][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.870558][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.879508][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.888209][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.896989][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.907854][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.915774][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.924565][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.944678][ T8182] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.951697][ T8190] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 59.007800][ T8188] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.026230][ T8188] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.074938][ T8188] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 164.092057][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 164.098926][ C1] rcu: 1-...!: (1 GPs behind) idle=91a/1/0x4000000000000002 softirq=10677/10678 fqs=34 [ 164.108884][ C1] (t=10501 jiffies g=6197 q=364) [ 164.113965][ C1] rcu: rcu_preempt kthread starved for 10434 jiffies! g6197 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 164.125058][ C1] rcu: RCU grace-period kthread stack dump: [ 164.130940][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 164.138835][ C1] Call Trace: [ 164.142129][ C1] __schedule+0x9a0/0xcc0 [ 164.146462][ C1] schedule+0x181/0x210 [ 164.150614][ C1] schedule_timeout+0x14f/0x240 [ 164.155459][ C1] ? run_local_timers+0x120/0x120 [ 164.160537][ C1] rcu_gp_kthread+0xed8/0x1770 [ 164.165304][ C1] kthread+0x332/0x350 [ 164.169367][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 164.174472][ C1] ? kthread_blkcg+0xe0/0xe0 [ 164.179058][ C1] ret_from_fork+0x24/0x30 [ 164.183487][ C1] NMI backtrace for cpu 1 [ 164.187809][ C1] CPU: 1 PID: 8180 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 164.196034][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.206080][ C1] Call Trace: [ 164.209356][ C1] [ 164.212203][ C1] dump_stack+0x1fb/0x318 [ 164.216531][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 164.221371][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 164.227524][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 164.233616][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 164.239612][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 164.245507][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 164.250623][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 164.255822][ C1] ? trace_hardirqs_off+0x74/0x80 [ 164.260844][ C1] update_process_times+0x12d/0x180 [ 164.266052][ C1] tick_sched_timer+0x263/0x420 [ 164.270899][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 164.276442][ C1] __hrtimer_run_queues+0x403/0x840 [ 164.281650][ C1] hrtimer_interrupt+0x38c/0xda0 [ 164.286608][ C1] ? debug_smp_processor_id+0x9/0x20 [ 164.291903][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 164.297447][ C1] apic_timer_interrupt+0xf/0x20 [ 164.302386][ C1] [ 164.305324][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 164.311389][ C1] Code: 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 53 48 89 fb e8 13 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 f7 c2 [ 164.330990][ C1] RSP: 0018:ffffc90001ea7bc8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 164.339404][ C1] RAX: 1ffff110149dcd41 RBX: ffffea0002a0f740 RCX: ffff88809497c3c0 [ 164.347372][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002a0f740 [ 164.355341][ C1] RBP: ffffc90001ea7c08 R08: 000000000003a768 R09: ffffed101519328f [ 164.363307][ C1] R10: ffffed101519328f R11: 0000000000000000 R12: ffff8880a4ee6aa0 [ 164.371274][ C1] R13: dffffc0000000000 R14: 1ffff110149dcd54 R15: ffff8880a8c99468 [ 164.379267][ C1] ? free_thread_stack+0x124/0x590 [ 164.384380][ C1] put_task_stack+0xa3/0x130 [ 164.388966][ C1] finish_task_switch+0x3f1/0x550 [ 164.393989][ C1] __schedule+0x9a8/0xcc0 [ 164.398329][ C1] schedule+0x181/0x210 [ 164.402482][ C1] do_nanosleep+0x1d0/0x6c0 [ 164.406995][ C1] hrtimer_nanosleep+0x3a6/0x5b0 [ 164.411933][ C1] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 164.417745][ C1] __x64_sys_nanosleep+0x186/0x1d0 [ 164.422863][ C1] do_syscall_64+0xf7/0x1c0 [ 164.427366][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 164.433252][ C1] RIP: 0033:0x458b20 [ 164.437144][ C1] Code: c0 5b 5d c3 66 0f 1f 44 00 00 8b 04 24 48 83 c4 18 5b 5d c3 66 0f 1f 44 00 00 83 3d 11 fe 61 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 d1 fb ff c3 48 83 ec 08 e8 ea 46 00 00 [ 164.456746][ C1] RSP: 002b:00007ffecd4118b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 164.465168][ C1] RAX: ffffffffffffffda RBX: 000000000000e659 RCX: 0000000000458b20 [ 164.473136][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffecd4118c0 [ 164.481105][ C1] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000001f9b940 [ 164.489077][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 164.497047][ C1] R13: 00007ffecd411910 R14: 000000000000e653 R15: 00007ffecd411920