[ 42.081542][ T23] audit: type=1800 audit(1575340939.280:27): pid=7984 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.142589][ T23] audit: type=1800 audit(1575340939.280:28): pid=7984 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. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 42.604929][ T23] audit: type=1800 audit(1575340939.880:29): pid=7984 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 42.624413][ T23] audit: type=1800 audit(1575340939.880:30): pid=7984 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 '10.128.15.217' (ECDSA) to the list of known hosts. 2019/12/03 02:42:26 fuzzer started 2019/12/03 02:42:27 dialing manager at 10.128.0.26:38907 2019/12/03 02:42:27 syscalls: 2697 2019/12/03 02:42:27 code coverage: enabled 2019/12/03 02:42:27 comparison tracing: enabled 2019/12/03 02:42:27 extra coverage: extra coverage is not supported by the kernel 2019/12/03 02:42:27 setuid sandbox: enabled 2019/12/03 02:42:27 namespace sandbox: enabled 2019/12/03 02:42:27 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 02:42:27 fault injection: enabled 2019/12/03 02:42:27 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 02:42:27 net packet injection: enabled 2019/12/03 02:42:27 net device setup: enabled 2019/12/03 02:42:27 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 02:42:27 devlink PCI setup: PCI device 0000:00:10.0 is not available 02:42:28 executing program 0: unshare(0x6c060000) r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$sock_inet_SIOCSIFADDR(r0, 0x8916, &(0x7f0000000100)={'lo\x00', {0x2, 0x0, @local}}) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) sendto$inet(r1, 0x0, 0x0, 0x200007fd, &(0x7f00000008c0)={0x2, 0x4e23, @local}, 0x10) 02:42:29 executing program 1: sched_setscheduler(0x0, 0x0, 0x0) 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, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$apparmor_task_exec(0xffffffffffffff9c, &(0x7f0000000440)='/proc/self//exe\x00', 0x3, 0x0) fadvise64(r0, 0x0, 0x80000001, 0x4) syzkaller login: [ 51.859446][ T8147] IPVS: ftp: loaded support on port[0] = 21 02:42:29 executing program 2: clone(0x2000000c00ffbf, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) ptrace$setopts(0xffffffffffffffff, 0x0, 0x0, 0x0) [ 52.063833][ T8147] chnl_net:caif_netlink_parms(): no params data found [ 52.073059][ T8150] IPVS: ftp: loaded support on port[0] = 21 [ 52.180716][ T8147] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.188341][ T8147] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.196505][ T8147] device bridge_slave_0 entered promiscuous mode 02:42:29 executing program 3: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="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", 0xfc) [ 52.222412][ T8147] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.238586][ T8147] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.246802][ T8147] device bridge_slave_1 entered promiscuous mode [ 52.294641][ T8152] IPVS: ftp: loaded support on port[0] = 21 [ 52.330166][ T8147] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.392319][ T8147] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.435744][ T8147] team0: Port device team_slave_0 added [ 52.446681][ T8155] IPVS: ftp: loaded support on port[0] = 21 [ 52.474191][ T8147] team0: Port device team_slave_1 added [ 52.490867][ T8150] chnl_net:caif_netlink_parms(): no params data found 02:42:29 executing program 4: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f0000000900)={0x0, 0x0, &(0x7f00000008c0)={&(0x7f0000000500)=@ipv6_newroute={0x2c, 0x18, 0x1, 0x0, 0x0, {}, [@RTA_PRIORITY={0x8, 0x6, 0x4}, @RTA_OIF={0x8}]}, 0x2c}}, 0x0) [ 52.622156][ T8147] device hsr_slave_0 entered promiscuous mode [ 52.658844][ T8147] device hsr_slave_1 entered promiscuous mode 02:42:30 executing program 5: sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0xffffffffffffff80, &(0x7f0000000100)={&(0x7f0000000480)=ANY=[@ANYBLOB="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", @ANYRES32=0x0], 0x20}}, 0x0) r0 = socket(0x10, 0x80002, 0x0) sendmmsg$alg(r0, &(0x7f0000000140)=[{0x6, 0x0, &(0x7f0000000100), 0x6, &(0x7f0000000100)}], 0x492492492492805, 0x0) [ 52.834265][ T8157] IPVS: ftp: loaded support on port[0] = 21 [ 52.890066][ T8147] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 52.930455][ T8150] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.937547][ T8150] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.946351][ T8150] device bridge_slave_0 entered promiscuous mode [ 52.965631][ T8147] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 52.974499][ T8160] IPVS: ftp: loaded support on port[0] = 21 [ 53.041274][ T8152] chnl_net:caif_netlink_parms(): no params data found [ 53.049850][ T8150] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.056912][ T8150] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.064752][ T8150] device bridge_slave_1 entered promiscuous mode [ 53.086644][ T8150] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.100855][ T8147] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 53.183523][ T8150] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.196356][ T8147] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 53.265863][ T8150] team0: Port device team_slave_0 added [ 53.280381][ T8152] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.287442][ T8152] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.296140][ T8152] device bridge_slave_0 entered promiscuous mode [ 53.305713][ T8152] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.313082][ T8152] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.321906][ T8152] device bridge_slave_1 entered promiscuous mode [ 53.329946][ T8150] team0: Port device team_slave_1 added [ 53.385784][ T8152] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.461948][ T8150] device hsr_slave_0 entered promiscuous mode [ 53.509000][ T8150] device hsr_slave_1 entered promiscuous mode [ 53.548729][ T8150] debugfs: Directory 'hsr0' with parent '/' already present! [ 53.556610][ T8155] chnl_net:caif_netlink_parms(): no params data found [ 53.567366][ T8152] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.609442][ T8152] team0: Port device team_slave_0 added [ 53.651688][ T8152] team0: Port device team_slave_1 added [ 53.659178][ T8157] chnl_net:caif_netlink_parms(): no params data found [ 53.711348][ T8155] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.718418][ T8155] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.727962][ T8155] device bridge_slave_0 entered promiscuous mode [ 53.739177][ T8155] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.746232][ T8155] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.754019][ T8155] device bridge_slave_1 entered promiscuous mode [ 53.811640][ T8152] device hsr_slave_0 entered promiscuous mode [ 53.839250][ T8152] device hsr_slave_1 entered promiscuous mode [ 53.888672][ T8152] debugfs: Directory 'hsr0' with parent '/' already present! [ 53.903651][ T8157] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.911080][ T8157] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.919321][ T8157] device bridge_slave_0 entered promiscuous mode [ 53.932422][ T8155] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.965694][ T8150] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 54.021246][ T8157] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.028325][ T8157] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.036129][ T8157] device bridge_slave_1 entered promiscuous mode [ 54.051002][ T8155] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.080139][ T8150] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 54.140807][ T8150] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 54.188063][ T8157] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.197499][ T8160] chnl_net:caif_netlink_parms(): no params data found [ 54.218643][ T8150] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 54.281055][ T8157] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.307321][ T8157] team0: Port device team_slave_0 added [ 54.315935][ T8155] team0: Port device team_slave_0 added [ 54.323285][ T8155] team0: Port device team_slave_1 added [ 54.332220][ T8152] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 54.382421][ T8152] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 54.430895][ T8157] team0: Port device team_slave_1 added [ 54.436625][ T8152] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 54.491385][ T8152] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 54.544022][ T8147] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.572284][ T8160] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.579681][ T8160] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.587300][ T8160] device bridge_slave_0 entered promiscuous mode [ 54.597217][ T8160] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.606969][ T8160] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.615712][ T8160] device bridge_slave_1 entered promiscuous mode [ 54.636280][ T8160] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.701403][ T8157] device hsr_slave_0 entered promiscuous mode [ 54.738832][ T8157] device hsr_slave_1 entered promiscuous mode [ 54.788704][ T8157] debugfs: Directory 'hsr0' with parent '/' already present! [ 54.850737][ T8155] device hsr_slave_0 entered promiscuous mode [ 54.918945][ T8155] device hsr_slave_1 entered promiscuous mode [ 54.948692][ T8155] debugfs: Directory 'hsr0' with parent '/' already present! [ 54.957424][ T8160] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.974034][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.982782][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.007853][ T8160] team0: Port device team_slave_0 added [ 55.019079][ T8147] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.043369][ T8157] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 55.102225][ T8160] team0: Port device team_slave_1 added [ 55.107950][ T8157] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 55.213733][ T8157] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 55.243572][ T3103] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.252246][ T3103] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.261147][ T3103] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.268298][ T3103] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.276288][ T3103] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.285083][ T3103] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.293562][ T3103] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.300676][ T3103] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.323181][ T8155] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 55.370635][ T8157] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 55.399743][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.407618][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.416530][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.425018][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.434453][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.442811][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.451302][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.466581][ T8147] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 55.479430][ T8147] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.498083][ T8155] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 55.560349][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.568160][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.579671][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.588188][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.599874][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.610015][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.632117][ T8152] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.641191][ T8155] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 55.711295][ T8160] device hsr_slave_0 entered promiscuous mode [ 55.749152][ T8160] device hsr_slave_1 entered promiscuous mode [ 55.788666][ T8160] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.805680][ T8155] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 55.893861][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.901807][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.911462][ T8152] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.932234][ T8150] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.948371][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.956128][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.984006][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.992975][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.004225][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.011337][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.019408][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.028055][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.036497][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.043587][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.051849][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.060392][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.077722][ T8147] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.110932][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.120132][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.127875][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.135954][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.145924][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.154646][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.163454][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.172227][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.180795][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.190300][ T8150] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.204964][ T8152] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.222046][ T8152] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.240393][ T8160] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 56.275515][ T8160] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 56.330344][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.338258][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.347289][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.371842][ T8155] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.388528][ T8160] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 56.411016][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.429013][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.437496][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.444650][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.458948][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.467686][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.482452][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.489582][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.506173][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.515934][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.532026][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.557828][ T8157] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.585043][ T8152] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.619640][ T8150] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 56.636156][ T8150] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.679075][ T8150] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.244491][ T8171] IPVS: ftp: loaded support on port[0] = 21 [ 161.448474][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 161.455242][ C1] rcu: 1-...!: (10499 ticks this GP) idle=772/1/0x4000000000000002 softirq=11830/11830 fqs=41 [ 161.465813][ C1] (t=10501 jiffies g=6069 q=399) [ 161.470826][ C1] rcu: rcu_preempt kthread starved for 10418 jiffies! g6069 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 161.481920][ C1] rcu: RCU grace-period kthread stack dump: [ 161.487793][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 161.495678][ C1] Call Trace: [ 161.498960][ C1] __schedule+0x9a0/0xcc0 [ 161.503287][ C1] schedule+0x181/0x210 [ 161.507434][ C1] schedule_timeout+0x14f/0x240 [ 161.512287][ C1] ? run_local_timers+0x120/0x120 [ 161.517301][ C1] rcu_gp_kthread+0xed8/0x1770 [ 161.522064][ C1] kthread+0x332/0x350 [ 161.526120][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 161.531346][ C1] ? kthread_blkcg+0xe0/0xe0 [ 161.535937][ C1] ret_from_fork+0x24/0x30 [ 161.540371][ C1] NMI backtrace for cpu 1 [ 161.544696][ C1] CPU: 1 PID: 8169 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 161.552920][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 161.562963][ C1] Call Trace: [ 161.566234][ C1] [ 161.569077][ C1] dump_stack+0x1fb/0x318 [ 161.573397][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 161.578229][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 161.584367][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 161.590419][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 161.596387][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 161.602264][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 161.607382][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 161.612572][ C1] ? trace_hardirqs_off+0x74/0x80 [ 161.617585][ C1] update_process_times+0x12d/0x180 [ 161.622769][ C1] tick_sched_timer+0x263/0x420 [ 161.627609][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 161.633142][ C1] __hrtimer_run_queues+0x403/0x840 [ 161.638355][ C1] hrtimer_interrupt+0x38c/0xda0 [ 161.643294][ C1] ? debug_smp_processor_id+0x9/0x20 [ 161.648570][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 161.654101][ C1] apic_timer_interrupt+0xf/0x20 [ 161.659020][ C1] [ 161.661947][ C1] RIP: 0010:mod_memcg_page_state+0x0/0x190 [ 161.667737][ C1] Code: 48 8b 3b e8 12 c1 5f 00 eb 0c e8 0b 29 2e 00 eb 05 e8 04 29 2e 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 <55> 48 89 e5 41 57 41 56 41 54 53 41 89 f6 48 89 fb e8 da 28 2e 00 [ 161.687343][ C1] RSP: 0018:ffffc900024f77a8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 161.695740][ C1] RAX: 1ffff11011e81c61 RBX: ffff88808f40e308 RCX: 0000000000000000 [ 161.703701][ C1] RDX: ffffc90002079000 RSI: 00000000fffffffc RDI: ffffea00026bbf80 [ 161.711659][ C1] RBP: ffffc900024f77e8 R08: 000000000003a768 R09: ffffed10141eb687 [ 161.719733][ C1] R10: ffffed10141eb687 R11: 0000000000000000 R12: ffff88808f40e3a0 [ 161.727699][ C1] R13: dffffc0000000000 R14: 1ffff11011e81c74 R15: ffff8880a0f5b428 [ 161.735685][ C1] ? free_thread_stack+0x168/0x590 [ 161.740798][ C1] put_task_stack+0xa3/0x130 [ 161.745389][ C1] finish_task_switch+0x3f1/0x550 [ 161.750405][ C1] __schedule+0x9a8/0xcc0 [ 161.754731][ C1] ? ___preempt_schedule+0x16/0x18 [ 161.759827][ C1] preempt_schedule+0xdb/0x120 [ 161.764579][ C1] ___preempt_schedule+0x16/0x18 [ 161.769521][ C1] ? vprintk_emit+0x2fe/0x3a0 [ 161.774185][ C1] ? vprintk_emit+0x368/0x3a0 [ 161.778850][ C1] vprintk_emit+0x36d/0x3a0 [ 161.783351][ C1] vprintk_default+0x28/0x30 [ 161.787927][ C1] vprintk_func+0x158/0x170 [ 161.792416][ C1] printk+0x62/0x8d [ 161.796220][ C1] kobject_add_internal+0x22a/0xc20 [ 161.801403][ C1] ? kfree+0x1d/0x200 [ 161.805382][ C1] kobject_init_and_add+0xb7/0x100 [ 161.810485][ C1] ? nfs_netns_sysfs_setup+0x6b/0x150 [ 161.815845][ C1] nfs_netns_sysfs_setup+0xe4/0x150 [ 161.821035][ C1] nfs_clients_init+0x173/0x1c0 [ 161.825872][ C1] nfs_net_init+0x15/0x20 [ 161.830188][ C1] ops_init+0x355/0x430 [ 161.834335][ C1] setup_net+0x1f0/0x7c0 [ 161.838569][ C1] ? down_read_killable+0x115/0x410 [ 161.843760][ C1] copy_net_ns+0x334/0x540 [ 161.848181][ C1] create_new_namespaces+0x4c3/0x770 [ 161.853463][ C1] unshare_nsproxy_namespaces+0x12a/0x190 [ 161.859207][ C1] ksys_unshare+0x478/0xa00 [ 161.863759][ C1] __x64_sys_unshare+0x38/0x40 [ 161.868636][ C1] do_syscall_64+0xf7/0x1c0 [ 161.873136][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 161.879037][ C1] RIP: 0033:0x45a679 [ 161.882926][ C1] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 161.902534][ C1] RSP: 002b:00007fadc2eb5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 161.910939][ C1] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 000000000045a679 [ 161.918897][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006c060000 [ 161.926855][ C1] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 161.934812][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fadc2eb66d4 [ 161.942774][ C1] R13: 00000000004cb0d0 R14: 00000000004e47b0 R15: 00000000ffffffff