[ 41.529750][ T25] audit: type=1800 audit(1575447769.680:26): pid=7919 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 41.558474][ T25] audit: type=1800 audit(1575447769.680:27): pid=7919 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 41.587603][ T25] audit: type=1800 audit(1575447769.680:28): pid=7919 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. [ 42.276307][ T25] audit: type=1800 audit(1575447770.460:29): pid=7919 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.203' (ECDSA) to the list of known hosts. 2019/12/04 08:23:01 fuzzer started 2019/12/04 08:23:03 dialing manager at 10.128.0.26:36481 2019/12/04 08:23:03 syscalls: 2691 2019/12/04 08:23:03 code coverage: enabled 2019/12/04 08:23:03 comparison tracing: enabled 2019/12/04 08:23:03 extra coverage: extra coverage is not supported by the kernel 2019/12/04 08:23:03 setuid sandbox: enabled 2019/12/04 08:23:03 namespace sandbox: enabled 2019/12/04 08:23:03 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 08:23:03 fault injection: enabled 2019/12/04 08:23:03 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 08:23:03 net packet injection: enabled 2019/12/04 08:23:03 net device setup: enabled 2019/12/04 08:23:03 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 08:23:03 devlink PCI setup: PCI device 0000:00:10.0 is not available 08:23:04 executing program 0: r0 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000100)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) add_key$keyring(&(0x7f00000001c0)='keyring\x00', &(0x7f00000000c0)={'syz', 0x2}, 0x0, 0x0, r0) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, r0, &(0x7f0000000140)='asymmetric\x00', &(0x7f0000000180)=@builtin='builtin_trusted\x00') request_key(&(0x7f0000000200)='keyring\x00', &(0x7f0000000240)={'syz', 0x2}, 0x0, r0) 08:23:04 executing program 1: r0 = memfd_create(&(0x7f0000000200)='eth0\x00', 0x0) write(r0, &(0x7f0000000040)="06", 0x1) mmap(&(0x7f0000000000/0x7000)=nil, 0x7000, 0x80000000004, 0x11, r0, 0x0) r1 = socket$inet_dccp(0x2, 0x6, 0x0) getsockopt$inet_int(r1, 0x10d, 0x94, 0x0, &(0x7f0000000000)) syzkaller login: [ 56.268374][ T8083] IPVS: ftp: loaded support on port[0] = 21 [ 56.311621][ T8085] IPVS: ftp: loaded support on port[0] = 21 08:23:04 executing program 2: r0 = syz_init_net_socket$ax25(0x3, 0x2, 0x0) read(r0, &(0x7f0000000200)=""/17, 0x11) [ 56.501765][ T8083] chnl_net:caif_netlink_parms(): no params data found [ 56.516411][ T8085] chnl_net:caif_netlink_parms(): no params data found [ 56.536108][ T8089] IPVS: ftp: loaded support on port[0] = 21 [ 56.583168][ T8085] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.591660][ T8085] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.601453][ T8085] device bridge_slave_0 entered promiscuous mode [ 56.614536][ T8083] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.629702][ T8083] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.638592][ T8083] device bridge_slave_0 entered promiscuous mode [ 56.671300][ T8083] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.678369][ T8083] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.686459][ T8083] device bridge_slave_1 entered promiscuous mode [ 56.700166][ T8085] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.707220][ T8085] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.715144][ T8085] device bridge_slave_1 entered promiscuous mode 08:23:04 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000100)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(aes)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000040)="0a0655db7b2803b4f0a12585675d26b0d5e383e5b3b60ced5c54dbb7295df0df82", 0x21) [ 56.749430][ T8083] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.809323][ T8083] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.853165][ T8085] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.873872][ T8083] team0: Port device team_slave_0 added [ 56.895221][ T8085] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.909405][ T8083] team0: Port device team_slave_1 added [ 56.931934][ T8091] IPVS: ftp: loaded support on port[0] = 21 08:23:05 executing program 4: r0 = syz_open_dev$sg(&(0x7f0000000300)='/dev/sg#\x00', 0x0, 0x0) ioctl$SCSI_IOCTL_SEND_COMMAND(r0, 0x1, &(0x7f0000000080)={0x0, 0x8000}) [ 57.012190][ T8083] device hsr_slave_0 entered promiscuous mode [ 57.050228][ T8083] device hsr_slave_1 entered promiscuous mode [ 57.155038][ T8085] team0: Port device team_slave_0 added [ 57.164401][ T8085] team0: Port device team_slave_1 added 08:23:05 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_mount_image$xfs(&(0x7f0000000100)='xfs\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)={[{@attr2='attr2'}]}) [ 57.342999][ T8085] device hsr_slave_0 entered promiscuous mode [ 57.390004][ T8085] device hsr_slave_1 entered promiscuous mode [ 57.459996][ T8085] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.467889][ T8089] chnl_net:caif_netlink_parms(): no params data found [ 57.503660][ T8094] IPVS: ftp: loaded support on port[0] = 21 [ 57.529198][ T8083] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.538721][ T8096] IPVS: ftp: loaded support on port[0] = 21 [ 57.621120][ T8083] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.674122][ T8083] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.735716][ T8083] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.796660][ T8091] chnl_net:caif_netlink_parms(): no params data found [ 57.813470][ T8089] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.822541][ T8089] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.830504][ T8089] device bridge_slave_0 entered promiscuous mode [ 57.840153][ T8089] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.847212][ T8089] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.855125][ T8089] device bridge_slave_1 entered promiscuous mode [ 57.900980][ T8089] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.928548][ T8091] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.935756][ T8091] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.948416][ T8091] device bridge_slave_0 entered promiscuous mode [ 57.957791][ T8091] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.965828][ T8091] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.973555][ T8091] device bridge_slave_1 entered promiscuous mode [ 57.982886][ T8089] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.001137][ T8085] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.041593][ T8085] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.084801][ T8085] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.173956][ T8091] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.184082][ T8085] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.257734][ T8089] team0: Port device team_slave_0 added [ 58.267791][ T8094] chnl_net:caif_netlink_parms(): no params data found [ 58.281860][ T8091] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.295786][ T8089] team0: Port device team_slave_1 added [ 58.321874][ T8091] team0: Port device team_slave_0 added [ 58.412509][ T8089] device hsr_slave_0 entered promiscuous mode [ 58.450126][ T8089] device hsr_slave_1 entered promiscuous mode [ 58.489813][ T8089] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.502726][ T8091] team0: Port device team_slave_1 added [ 58.539125][ T8094] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.547339][ T8094] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.555227][ T8094] device bridge_slave_0 entered promiscuous mode [ 58.611440][ T8091] device hsr_slave_0 entered promiscuous mode [ 58.660221][ T8091] device hsr_slave_1 entered promiscuous mode [ 58.729818][ T8091] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.743358][ T8094] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.751965][ T8094] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.759515][ T8094] device bridge_slave_1 entered promiscuous mode [ 58.781288][ T8094] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.805302][ T8096] chnl_net:caif_netlink_parms(): no params data found [ 58.833367][ T8094] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.871448][ T8089] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.925424][ T8089] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.006623][ T8094] team0: Port device team_slave_0 added [ 59.013496][ T8091] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.072424][ T8096] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.079501][ T8096] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.088800][ T8096] device bridge_slave_0 entered promiscuous mode [ 59.096963][ T8096] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.104182][ T8096] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.112105][ T8096] device bridge_slave_1 entered promiscuous mode [ 59.119256][ T8089] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.182065][ T8089] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.223872][ T8094] team0: Port device team_slave_1 added [ 59.231779][ T8091] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.262200][ T8091] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.316781][ T8091] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 59.405626][ T8083] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.417851][ T8096] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.472859][ T8094] device hsr_slave_0 entered promiscuous mode [ 59.510267][ T8094] device hsr_slave_1 entered promiscuous mode [ 59.549900][ T8094] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.565791][ T8096] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.587570][ T8096] team0: Port device team_slave_0 added [ 59.595248][ T8096] team0: Port device team_slave_1 added [ 59.607263][ T8083] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.625608][ T8101] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.633850][ T8101] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.658889][ T8085] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.742539][ T8096] device hsr_slave_0 entered promiscuous mode [ 59.800553][ T8096] device hsr_slave_1 entered promiscuous mode [ 59.859824][ T8096] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.883938][ T8094] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.932423][ T3215] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.941428][ T3215] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.949832][ T3215] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.956983][ T3215] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.965033][ T3215] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.973982][ T3215] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.987938][ T8085] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.003954][ T8094] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.035915][ T8100] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.044286][ T8100] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.053242][ T8100] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.062067][ T8100] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.069086][ T8100] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.085921][ T3964] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.095140][ T3964] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.104268][ T3964] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.112874][ T3964] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.121631][ T8094] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.188732][ T8096] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 60.248642][ T8096] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 60.306432][ T3964] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.314695][ T3964] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.323734][ T3964] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.332150][ T3964] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.339167][ T3964] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.347264][ T8094] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.402772][ T8096] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 60.460251][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.468566][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.477585][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.486083][ T3700] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.493288][ T3700] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.502747][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.512035][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.520830][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.529163][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.537793][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.546445][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.554928][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.563400][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.571921][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.580558][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.588650][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.597156][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.607196][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.620678][ T3215] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.628895][ T3215] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.640383][ T8096] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 60.688984][ T8085] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.701552][ T8085] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.715663][ T8091] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.724640][ T8083] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.734816][ T8101] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.744475][ T8101] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.778513][ T8089] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.795256][ T8101] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.802949][ T8101] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.824143][ T8085] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.849032][ T8094] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.868703][ T8091] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.877332][ T8101] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.888069][ T8101] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.896552][ T8101] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.904591][ T8101] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.916012][ T8089] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.942548][ T3215] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.960008][ T3215] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.967689][ T3215] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.978014][ T3215] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.989058][ T3215] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.996196][ T3215] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.004422][ T3215] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.013270][ T3215] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.021963][ T3215] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.029132][ T3215] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.038217][ T3215] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.046970][ T3215] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.055893][ T3215] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.064415][ T3215] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.071640][ T3215] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.081926][ T3215] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.098229][ T8094] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.108257][ T8083] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.134251][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.143740][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 166.159642][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.166470][ C0] rcu: 0-...!: (10499 ticks this GP) idle=e96/1/0x4000000000000002 softirq=10100/10100 fqs=0 [ 166.176943][ C0] (t=10500 jiffies g=6069 q=27) [ 166.181868][ C0] rcu: rcu_preempt kthread starved for 10500 jiffies! g6069 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 166.193139][ C0] rcu: RCU grace-period kthread stack dump: [ 166.199013][ C0] rcu_preempt I29032 10 2 0x80004000 [ 166.205333][ C0] Call Trace: [ 166.208630][ C0] __schedule+0x9a0/0xcc0 [ 166.212953][ C0] schedule+0x181/0x210 [ 166.217096][ C0] schedule_timeout+0x14f/0x240 [ 166.221946][ C0] ? run_local_timers+0x120/0x120 [ 166.226958][ C0] rcu_gp_kthread+0xed8/0x1770 [ 166.231716][ C0] kthread+0x332/0x350 [ 166.235770][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 166.240868][ C0] ? kthread_blkcg+0xe0/0xe0 [ 166.245442][ C0] ret_from_fork+0x24/0x30 [ 166.249881][ C0] NMI backtrace for cpu 0 [ 166.254218][ C0] CPU: 0 PID: 3700 Comm: kworker/0:2 Not tainted 5.4.0-syzkaller #0 [ 166.262175][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.272225][ C0] Workqueue: events linkwatch_event [ 166.277404][ C0] Call Trace: [ 166.280671][ C0] [ 166.283510][ C0] dump_stack+0x1fb/0x318 [ 166.287831][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 166.292667][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 166.298806][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 166.304857][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 166.310828][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 166.316702][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 166.321805][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 166.326989][ C0] ? trace_hardirqs_off+0x74/0x80 [ 166.332001][ C0] update_process_times+0x12d/0x180 [ 166.337188][ C0] tick_sched_timer+0x263/0x420 [ 166.342022][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.347555][ C0] __hrtimer_run_queues+0x403/0x840 [ 166.352754][ C0] hrtimer_interrupt+0x38c/0xda0 [ 166.357694][ C0] ? debug_smp_processor_id+0x9/0x20 [ 166.362975][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 166.368517][ C0] apic_timer_interrupt+0xf/0x20 [ 166.373435][ C0] [ 166.376359][ C0] RIP: 0010:mod_memcg_page_state+0x0/0x190 [ 166.382160][ C0] Code: 48 8b 3b e8 02 be 5f 00 eb 0c e8 8b 26 2e 00 eb 05 e8 84 26 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 5a 26 2e 00 [ 166.401748][ C0] RSP: 0018:ffffc9000c4c76f8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 166.410141][ C0] RAX: 1ffff11015061441 RBX: ffff8880a830a208 RCX: 0000000000000000 [ 166.418095][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000289d1c0 [ 166.426049][ C0] RBP: ffffc9000c4c7738 R08: 000000000003a728 R09: fffffbfff120248a [ 166.434008][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff8880a830a2a0 [ 166.441969][ C0] R13: dffffc0000000000 R14: 1ffff11015061454 R15: ffff8880a0b6d6e8 [ 166.449943][ C0] ? free_thread_stack+0x168/0x590 [ 166.455042][ C0] put_task_stack+0xa3/0x130 [ 166.459622][ C0] finish_task_switch+0x3f1/0x550 [ 166.464635][ C0] __schedule+0x9a8/0xcc0 [ 166.468960][ C0] ? ___preempt_schedule+0x16/0x18 [ 166.474143][ C0] preempt_schedule+0xdb/0x120 [ 166.478899][ C0] ___preempt_schedule+0x16/0x18 [ 166.483820][ C0] ? vprintk_emit+0x2fe/0x3a0 [ 166.488479][ C0] ? vprintk_emit+0x368/0x3a0 [ 166.493143][ C0] vprintk_emit+0x36d/0x3a0 [ 166.497723][ C0] vprintk_default+0x28/0x30 [ 166.502311][ C0] vprintk_func+0x158/0x170 [ 166.506796][ C0] printk+0x62/0x8d [ 166.510594][ C0] ? addrconf_notify+0xd37/0x3c90 [ 166.515607][ C0] ? addrconf_notify+0x779/0x3c90 [ 166.520628][ C0] addrconf_notify+0x2c8d/0x3c90 [ 166.525553][ C0] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 166.530820][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 166.536188][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 166.541799][ C0] ? trace_hardirqs_on+0x74/0x80 [ 166.546721][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 166.552078][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 166.557609][ C0] ? tls_dev_event+0x619/0xc00 [ 166.562367][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 166.567898][ C0] ? ip6mr_device_event+0x1ee/0x210 [ 166.573086][ C0] raw_notifier_call_chain+0xec/0x190 [ 166.578455][ C0] netdev_state_change+0x147/0x1f0 [ 166.583552][ C0] linkwatch_do_dev+0x10e/0x160 [ 166.588388][ C0] __linkwatch_run_queue+0x446/0x730 [ 166.593662][ C0] linkwatch_event+0x4c/0x60 [ 166.598234][ C0] process_one_work+0x7ef/0x10d0 [ 166.603170][ C0] worker_thread+0xc01/0x1630 [ 166.607855][ C0] kthread+0x332/0x350 [ 166.611907][ C0] ? rcu_lock_release+0x30/0x30 [ 166.616742][ C0] ? kthread_blkcg+0xe0/0xe0 [ 166.621315][ C0] ret_from_fork+0x24/0x30