[ 42.103158][ T25] audit: type=1800 audit(1575442418.390:27): pid=7950 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.127035][ T25] audit: type=1800 audit(1575442418.400:28): pid=7950 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. [ 42.769254][ T25] audit: type=1800 audit(1575442419.150:29): pid=7950 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 42.789135][ T25] audit: type=1800 audit(1575442419.150:30): pid=7950 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 '10.128.0.35' (ECDSA) to the list of known hosts. 2019/12/04 06:53:49 fuzzer started 2019/12/04 06:53:50 dialing manager at 10.128.0.26:42111 2019/12/04 06:53:50 syscalls: 2689 2019/12/04 06:53:50 code coverage: enabled 2019/12/04 06:53:50 comparison tracing: enabled 2019/12/04 06:53:50 extra coverage: extra coverage is not supported by the kernel 2019/12/04 06:53:50 setuid sandbox: enabled 2019/12/04 06:53:50 namespace sandbox: enabled 2019/12/04 06:53:50 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 06:53:50 fault injection: enabled 2019/12/04 06:53:50 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 06:53:50 net packet injection: enabled 2019/12/04 06:53:50 net device setup: enabled 2019/12/04 06:53:50 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 06:53:50 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:53:51 executing program 0: r0 = socket(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_TX_RING(r0, 0x10e, 0xc, &(0x7f0000000080)={0x1080000007}, 0x10) write(r0, &(0x7f0000000140)="240000001a005f0214f9f407000904008100000000000000000000000800060005000000", 0xfc9b) 06:53:51 executing program 1: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_mreqn(r0, 0x0, 0x27, &(0x7f00007e6000)={@multicast2, @loopback}, 0xc) setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000000280)=ANY=[@ANYBLOB="e00000027f0000010000000009000000ac9e7bf5707c50810201ac24ea15ac14140dac1414aaffff000000003d5e52bbe622e35a5330000000948df96cd8d66aeafbae78ceec18e8b105eddb24ab7e41c4ca749f54cf5bbaa737f62543b5a3616919a8aaf2ee23926feba29ae54182f24975d42e9c35fab91eeb087e48da3f65c9b18f0e2720c7a053abed9031b02364f1001002a2d9b8904400000000"], 0x34) close(r0) syzkaller login: [ 55.488297][ T8114] IPVS: ftp: loaded support on port[0] = 21 [ 55.652264][ T8114] chnl_net:caif_netlink_parms(): no params data found [ 55.653047][ T8117] IPVS: ftp: loaded support on port[0] = 21 06:53:52 executing program 2: syz_mount_image$jfs(&(0x7f00000001c0)='jfs\x00', &(0x7f0000000200)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)={[{@nointegrity='nointegrity'}], [{@smackfsroot={'smackfsroot', 0x3d, 'jfs\x00'}}]}) [ 55.737113][ T8114] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.745214][ T8114] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.753318][ T8114] device bridge_slave_0 entered promiscuous mode [ 55.773496][ T8114] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.780593][ T8114] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.788707][ T8114] device bridge_slave_1 entered promiscuous mode [ 55.832578][ T8114] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.855395][ T8114] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.870017][ T8117] chnl_net:caif_netlink_parms(): no params data found [ 55.908404][ T8114] team0: Port device team_slave_0 added [ 55.915865][ T8114] team0: Port device team_slave_1 added [ 55.975827][ T8114] device hsr_slave_0 entered promiscuous mode 06:53:52 executing program 3: r0 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x0, 0x0) lseek(r0, 0x0, 0x3) [ 56.021705][ T8114] device hsr_slave_1 entered promiscuous mode [ 56.084583][ T8120] IPVS: ftp: loaded support on port[0] = 21 [ 56.107921][ T8117] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.121843][ T8117] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.129720][ T8117] device bridge_slave_0 entered promiscuous mode [ 56.155447][ T8117] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.171326][ T8117] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.179197][ T8117] device bridge_slave_1 entered promiscuous mode [ 56.235041][ T8114] netdevsim netdevsim0 netdevsim0: renamed from eth0 06:53:52 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) ioctl$RTC_WKALM_RD(0xffffffffffffffff, 0x80287010, 0x0) add_key$keyring(0x0, 0x0, 0x0, 0x0, 0x0) sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0) r0 = socket$netlink(0x10, 0x3, 0x4000000000000004) writev(r0, &(0x7f0000000140)=[{&(0x7f0000000180)="580000001400192340834b80040d8c5602067fffffff81000000000000dca87086a5c000004f6400940005891550f4a8000000006700008000f0fffeffff09000080fff5dd00000010000100000c0900fcff0000040e05a5", 0x58}], 0x1) [ 56.324313][ T8117] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.358388][ T8122] IPVS: ftp: loaded support on port[0] = 21 [ 56.364532][ T8114] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.437075][ T8114] netdevsim netdevsim0 netdevsim2: renamed from eth2 06:53:52 executing program 5: r0 = syz_open_dev$video(&(0x7f0000000080)='/dev/video#\x00', 0xd, 0x0) r1 = syz_open_dev$video(0x0, 0x0, 0x0) ioctl$VIDIOC_S_INPUT(r1, 0xc0045627, &(0x7f00000000c0)=0x2) ioctl$VIDIOC_S_INPUT(r0, 0xc0045627, &(0x7f0000000040)) [ 56.515996][ T8117] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.541253][ T8114] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.553718][ T8124] IPVS: ftp: loaded support on port[0] = 21 [ 56.630890][ T8117] team0: Port device team_slave_0 added [ 56.638443][ T8117] team0: Port device team_slave_1 added [ 56.650391][ T8114] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.657615][ T8114] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.665402][ T8114] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.672474][ T8114] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.696454][ T3767] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.705164][ T3767] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.756570][ T8126] IPVS: ftp: loaded support on port[0] = 21 [ 56.823201][ T8117] device hsr_slave_0 entered promiscuous mode [ 56.861610][ T8117] device hsr_slave_1 entered promiscuous mode [ 56.901356][ T8117] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.933112][ T8120] chnl_net:caif_netlink_parms(): no params data found [ 57.029020][ T8117] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.068323][ T8117] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.128409][ T8122] chnl_net:caif_netlink_parms(): no params data found [ 57.145801][ T8117] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.251354][ T8117] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.306645][ T8124] chnl_net:caif_netlink_parms(): no params data found [ 57.318350][ T8120] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.326902][ T8120] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.335117][ T8120] device bridge_slave_0 entered promiscuous mode [ 57.367544][ T8120] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.375150][ T8120] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.383124][ T8120] device bridge_slave_1 entered promiscuous mode [ 57.440273][ T8120] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.465607][ T8120] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.477882][ T8124] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.486098][ T8124] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.494023][ T8124] device bridge_slave_0 entered promiscuous mode [ 57.502522][ T8124] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.512689][ T8124] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.520467][ T8124] device bridge_slave_1 entered promiscuous mode [ 57.528369][ T8122] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.536868][ T8122] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.544632][ T8122] device bridge_slave_0 entered promiscuous mode [ 57.552460][ T8126] chnl_net:caif_netlink_parms(): no params data found [ 57.564890][ T8122] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.572233][ T8122] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.579945][ T8122] device bridge_slave_1 entered promiscuous mode [ 57.595274][ T8114] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.628345][ T8124] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.645427][ T8120] team0: Port device team_slave_0 added [ 57.654159][ T8120] team0: Port device team_slave_1 added [ 57.662388][ T8122] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.673077][ T8124] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.707951][ T8122] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.725210][ T8124] team0: Port device team_slave_0 added [ 57.753963][ T8124] team0: Port device team_slave_1 added [ 57.768955][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.777659][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.786245][ T8126] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.793723][ T8126] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.801631][ T8126] device bridge_slave_0 entered promiscuous mode [ 57.810895][ T8122] team0: Port device team_slave_0 added [ 57.817400][ T8126] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.827883][ T8126] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.836270][ T8126] device bridge_slave_1 entered promiscuous mode [ 57.858948][ T8114] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.867926][ T8122] team0: Port device team_slave_1 added [ 57.943009][ T8120] device hsr_slave_0 entered promiscuous mode [ 57.992013][ T8120] device hsr_slave_1 entered promiscuous mode [ 58.031315][ T8120] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.084349][ T8124] device hsr_slave_0 entered promiscuous mode [ 58.141629][ T8124] device hsr_slave_1 entered promiscuous mode [ 58.181314][ T8124] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.192206][ T8117] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.211878][ T8126] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.239751][ T3778] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.248567][ T3778] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.257281][ T3778] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.265443][ T3778] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.274067][ T3778] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.282790][ T3778] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.292927][ T3778] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.299955][ T3778] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.307566][ T3778] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.319231][ T8126] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.384158][ T8122] device hsr_slave_0 entered promiscuous mode [ 58.411574][ T8122] device hsr_slave_1 entered promiscuous mode [ 58.451414][ T8122] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.465611][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.474495][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.482950][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.508155][ T8126] team0: Port device team_slave_0 added [ 58.515439][ T8126] team0: Port device team_slave_1 added [ 58.540949][ T8114] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.552469][ T8114] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.566586][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.575748][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.584716][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.593169][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.601684][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.610247][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.618616][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.626907][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.634700][ T8120] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.683471][ T8120] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.742886][ T8120] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.783733][ T8124] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 58.857231][ T8124] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 58.903045][ T8124] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 58.945900][ T8117] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.953751][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.961954][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.970034][ T8120] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.003899][ T8124] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 59.068379][ T8122] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.164156][ T8126] device hsr_slave_0 entered promiscuous mode [ 59.221695][ T8126] device hsr_slave_1 entered promiscuous mode [ 59.261358][ T8126] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.288480][ T8122] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.343443][ T8131] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.352234][ T8131] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.360592][ T8131] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.367677][ T8131] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.375845][ T8131] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.385017][ T8131] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.393405][ T8131] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.400430][ T8131] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.408014][ T8131] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.416577][ T8131] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.424099][ T8131] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.431602][ T8131] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.440911][ T8131] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.457675][ T8122] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.506194][ T8114] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.530891][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.540728][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.550180][ T8122] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 59.605280][ T8126] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 59.652939][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.660675][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.669532][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.678186][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.686527][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.698756][ T8117] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.710703][ T8117] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.749452][ T8126] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 59.813196][ T3767] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.822116][ T3767] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.848020][ T8124] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.861350][ T8126] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 59.893392][ T8126] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 164.911154][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 164.917943][ C0] rcu: 0-...!: (1 GPs behind) idle=136/1/0x4000000000000002 softirq=11802/11803 fqs=41 [ 164.928066][ C0] (t=10500 jiffies g=6037 q=134) [ 164.933094][ C0] rcu: rcu_preempt kthread starved for 10417 jiffies! g6037 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 164.944174][ C0] rcu: RCU grace-period kthread stack dump: [ 164.950080][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 164.957968][ C0] Call Trace: [ 164.961253][ C0] __schedule+0x9a0/0xcc0 [ 164.965583][ C0] schedule+0x181/0x210 [ 164.969723][ C0] schedule_timeout+0x14f/0x240 [ 164.974559][ C0] ? run_local_timers+0x120/0x120 [ 164.979597][ C0] rcu_gp_kthread+0xed8/0x1770 [ 164.984370][ C0] kthread+0x332/0x350 [ 164.988431][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 164.993540][ C0] ? kthread_blkcg+0xe0/0xe0 [ 164.998123][ C0] ret_from_fork+0x24/0x30 [ 165.002542][ C0] NMI backtrace for cpu 0 [ 165.006866][ C0] CPU: 0 PID: 4160 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 165.014387][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.024514][ C0] Call Trace: [ 165.027787][ C0] [ 165.030633][ C0] dump_stack+0x1fb/0x318 [ 165.034957][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 165.039791][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 165.045935][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 165.051996][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 165.057964][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 165.063839][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 165.068940][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 165.074125][ C0] ? trace_hardirqs_off+0x74/0x80 [ 165.079170][ C0] update_process_times+0x12d/0x180 [ 165.085077][ C0] tick_sched_timer+0x263/0x420 [ 165.089916][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.095452][ C0] __hrtimer_run_queues+0x403/0x840 [ 165.100656][ C0] hrtimer_interrupt+0x38c/0xda0 [ 165.105732][ C0] ? debug_smp_processor_id+0x9/0x20 [ 165.111032][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 165.116693][ C0] apic_timer_interrupt+0xf/0x20 [ 165.121620][ C0] [ 165.124549][ C0] RIP: 0010:__memcg_kmem_uncharge+0x21/0x2e0 [ 165.130533][ C0] Code: 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 50 89 f3 49 89 fc 48 b8 00 00 00 00 00 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 d8 f4 fa [ 165.150145][ C0] RSP: 0018:ffffc90001d17ad0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.158726][ C0] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffff88809fe960c0 [ 165.166688][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002a3ea40 [ 165.174648][ C0] RBP: ffffc90001d17b00 R08: 000000000003a768 R09: ffffed1014fe8e7f [ 165.182609][ C0] R10: ffffed1014fe8e7f R11: 0000000000000000 R12: ffffea0002a3ea40 [ 165.190591][ C0] R13: dffffc0000000000 R14: ffffea0002a3ea78 R15: ffff8880a7f473e8 [ 165.198594][ C0] ? free_thread_stack+0x124/0x590 [ 165.203698][ C0] free_thread_stack+0x12e/0x590 [ 165.208626][ C0] put_task_stack+0xa3/0x130 [ 165.213204][ C0] finish_task_switch+0x3f1/0x550 [ 165.218241][ C0] __schedule+0x9a8/0xcc0 [ 165.222573][ C0] schedule+0x181/0x210 [ 165.226715][ C0] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 165.232776][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 165.238575][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 165.243934][ C0] ep_poll+0xa4d/0xe80 [ 165.248000][ C0] ? do_task_dead+0xc0/0xc0 [ 165.252602][ C0] ? __kasan_check_read+0x11/0x20 [ 165.257707][ C0] do_epoll_wait+0x1ee/0x260 [ 165.262395][ C0] __x64_sys_epoll_wait+0x9a/0xb0 [ 165.267446][ C0] do_syscall_64+0xf7/0x1c0 [ 165.271953][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.277853][ C0] RIP: 0033:0x7fc964bf2943 [ 165.282262][ C0] Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 83 3d b5 dc 2a 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 3b c4 00 00 48 89 04 24 [ 165.301857][ C0] RSP: 002b:00007ffe05919a08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 165.310257][ C0] RAX: ffffffffffffffda RBX: 0000000000a97250 RCX: 00007fc964bf2943 [ 165.318222][ C0] RDX: 0000000000000004 RSI: 00007ffe05919ad0 RDI: 0000000000000007 [ 165.326180][ C0] RBP: 0000000000625500 R08: 00007ffe059199f0 R09: 00007ffe0593f0b8 [ 165.334313][ C0] R10: 000000000000ee42 R11: 0000000000000246 R12: 0000000000a97720 [ 165.342274][ C0] R13: 00007ffe0591ab27 R14: 0000000000000005 R15: 0000000000a97250