[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 47.043592][ T23] audit: type=1800 audit(1575448733.157:25): pid=8230 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 47.070666][ T23] audit: type=1800 audit(1575448733.157:26): pid=8230 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 47.110147][ T23] audit: type=1800 audit(1575448733.157:27): pid=8230 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 '10.128.1.37' (ECDSA) to the list of known hosts. 2019/12/04 08:39:01 fuzzer started 2019/12/04 08:39:02 dialing manager at 10.128.0.26:36481 2019/12/04 08:39:02 syscalls: 2691 2019/12/04 08:39:02 code coverage: enabled 2019/12/04 08:39:02 comparison tracing: enabled 2019/12/04 08:39:02 extra coverage: extra coverage is not supported by the kernel 2019/12/04 08:39:02 setuid sandbox: enabled 2019/12/04 08:39:02 namespace sandbox: enabled 2019/12/04 08:39:02 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 08:39:02 fault injection: enabled 2019/12/04 08:39:02 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 08:39:02 net packet injection: enabled 2019/12/04 08:39:02 net device setup: enabled 2019/12/04 08:39:02 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 08:39:02 devlink PCI setup: PCI device 0000:00:10.0 is not available 08:39:03 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ashmem\x00', 0x0, 0x0) mmap(&(0x7f0000701000/0x1000)=nil, 0x1000, 0x0, 0x12, r0, 0x0) ioctl$ASHMEM_SET_NAME(r0, 0x40087708, &(0x7f0000000ec0)='\x00@\x02\x00\x00\x00\x00\x05\x00x\x92\x12\xbc\x06^\xbewV\xf3\xb3\xa4e\xfb\xc5}\x9c\"\xc4\x04\xbb\x0642\x9c\x1a\xd1\xcb{\xb0\xd6\x1e\x00gQ\xcajU\xf7\'\x8c\xc1\xc6\xbb\xc5\x1c\xf7\xaf\x95\x83=\t7\x96\x1a\xad\xd0\xd0\xee\x9c\x962\bu\xba\xfc\xae\xc2\x19\xeb\x91\xc9\t\xbc\xc1\xcb\xba\xe3\x8e\xf6\x89\xc2\'\xdfn(Q=v-<\r\xd1?$\x8b\x17Bn\x17h\x1b\xac\xfc\x82\x1c\xf4\xd0\xf5\xd5\x80\xc0\xb4a \x15\x9a\x9f\xf0:\xfd$\xad\xbb\x9a|b\xe2\xff\xee\xc4\x93Q\x82\x16\xbf\xe3c\x8d \x0f\xb1\xe9\xf2oci(\xcb\x82\x05\xfe[H\xaf\x01\x18\xc8\x1b\x1e\xbe\xd8>\xec\x9f~\xa7\xf7\xafdd\xf1\xdbjE\x01\xd1sD\x89\x94&\\U\f\x18\x99]\xaba\xe93\x01\xa23\xc9hP1\xdc-\'\xd0\x9e}\x89\xff\x8c') ioctl$ASHMEM_SET_NAME(r0, 0x770a, &(0x7f00000011c0)) 08:39:03 executing program 1: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)=ANY=[@ANYBLOB="3c000000100001050d000000000000f71f000000", @ANYRES32=0x0, @ANYBLOB="00000000000000001c0012000c00010062726964676500000c0002000800270001000000"], 0x3c}}, 0x0) r0 = socket(0x10, 0x80002, 0x0) sendmmsg$alg(r0, &(0x7f0000000140)=[{0x0, 0x0, &(0x7f0000000100), 0x0, &(0x7f0000000100)}], 0x492492492492805, 0x0) syzkaller login: [ 57.374335][ T8399] IPVS: ftp: loaded support on port[0] = 21 08:39:03 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) sendmsg$key(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f00008feff0)={0x0}}, 0x0) sendmsg$key(0xffffffffffffffff, &(0x7f0000000100)={0x4, 0x0, &(0x7f00008feff0)={&(0x7f00000006c0)=ANY=[@ANYBLOB="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"], 0x80}}, 0x0) r2 = socket$key(0xf, 0x3, 0x2) sendmmsg(r2, &(0x7f0000000180), 0x400024c, 0x0) [ 57.546993][ T8399] chnl_net:caif_netlink_parms(): no params data found [ 57.619756][ T8399] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.636912][ T8399] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.661949][ T8399] device bridge_slave_0 entered promiscuous mode [ 57.691564][ T8399] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.698759][ T8399] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.707713][ T8402] IPVS: ftp: loaded support on port[0] = 21 [ 57.721654][ T8399] device bridge_slave_1 entered promiscuous mode [ 57.757835][ T8404] IPVS: ftp: loaded support on port[0] = 21 [ 57.785226][ T8399] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.808375][ T8399] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.889058][ T8399] team0: Port device team_slave_0 added 08:39:04 executing program 3: rt_sigpending(0xfffffffffffffffd, 0x0) [ 57.934077][ T8399] team0: Port device team_slave_1 added [ 58.035512][ T8399] device hsr_slave_0 entered promiscuous mode [ 58.091110][ T8399] device hsr_slave_1 entered promiscuous mode 08:39:04 executing program 4: r0 = socket(0x30002000000010, 0x1000000003, 0x0) write(r0, &(0x7f0000000080)="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", 0xfc) [ 58.163938][ T8402] chnl_net:caif_netlink_parms(): no params data found [ 58.189098][ T8408] IPVS: ftp: loaded support on port[0] = 21 [ 58.204176][ T8404] chnl_net:caif_netlink_parms(): no params data found [ 58.312815][ T8399] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.391830][ T8399] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.449805][ T8402] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.460407][ T8402] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.473443][ T8402] device bridge_slave_0 entered promiscuous mode [ 58.484471][ T8404] bridge0: port 1(bridge_slave_0) entered blocking state 08:39:04 executing program 5: r0 = openat$cuse(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/cuse\x00', 0x2, 0x0) read$FUSE(r0, &(0x7f0000000240), 0x2305e2b7) write$FUSE_CREATE_OPEN(r0, &(0x7f0000001340)={0xa0, 0x0, 0x2, {{0x800000000007}, {0x0, 0x0, 0x100000}}}, 0xa0) [ 58.495632][ T8404] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.505124][ T8404] device bridge_slave_0 entered promiscuous mode [ 58.516897][ T8399] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.566428][ T8402] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.577131][ T8402] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.589046][ T8402] device bridge_slave_1 entered promiscuous mode [ 58.609130][ T8410] IPVS: ftp: loaded support on port[0] = 21 [ 58.615445][ T8404] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.624384][ T8404] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.633277][ T8404] device bridge_slave_1 entered promiscuous mode [ 58.649222][ T8399] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.750427][ T8404] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.771708][ T8402] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.783304][ T8404] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.808568][ T8414] IPVS: ftp: loaded support on port[0] = 21 [ 58.825029][ T8402] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.848199][ T8404] team0: Port device team_slave_0 added [ 58.884826][ T8402] team0: Port device team_slave_0 added [ 58.899908][ T8404] team0: Port device team_slave_1 added [ 58.916845][ T8402] team0: Port device team_slave_1 added [ 58.983350][ T8404] device hsr_slave_0 entered promiscuous mode [ 59.021378][ T8404] device hsr_slave_1 entered promiscuous mode [ 59.060860][ T8404] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.076012][ T8408] chnl_net:caif_netlink_parms(): no params data found [ 59.164936][ T8402] device hsr_slave_0 entered promiscuous mode [ 59.221266][ T8402] device hsr_slave_1 entered promiscuous mode [ 59.280849][ T8402] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.338972][ T8408] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.347039][ T8408] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.356032][ T8408] device bridge_slave_0 entered promiscuous mode [ 59.367267][ T8408] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.375972][ T8408] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.385775][ T8408] device bridge_slave_1 entered promiscuous mode [ 59.434783][ T8404] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.486274][ T8404] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.545417][ T8414] chnl_net:caif_netlink_parms(): no params data found [ 59.563403][ T8408] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.577347][ T8408] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.596295][ T8404] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.654108][ T8404] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.725369][ T8410] chnl_net:caif_netlink_parms(): no params data found [ 59.749300][ T8408] team0: Port device team_slave_0 added [ 59.757882][ T8408] team0: Port device team_slave_1 added [ 59.791541][ T8402] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.850740][ T8402] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.887055][ T8402] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 60.003946][ T8408] device hsr_slave_0 entered promiscuous mode [ 60.061265][ T8408] device hsr_slave_1 entered promiscuous mode [ 60.100953][ T8408] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.117424][ T8399] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.126798][ T8410] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.134236][ T8410] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.142660][ T8410] device bridge_slave_0 entered promiscuous mode [ 60.157140][ T8410] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.164981][ T8410] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.174957][ T8410] device bridge_slave_1 entered promiscuous mode [ 60.182723][ T8402] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 60.247618][ T8414] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.255876][ T8414] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.264985][ T8414] device bridge_slave_0 entered promiscuous mode [ 60.273723][ T8414] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.282443][ T8414] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.290241][ T8414] device bridge_slave_1 entered promiscuous mode [ 60.317082][ T8414] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.355785][ T8414] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.371797][ T8410] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.395008][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.404801][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.431877][ T8410] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.457500][ T8399] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.465776][ T8408] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.517358][ T8414] team0: Port device team_slave_0 added [ 60.530159][ T8414] team0: Port device team_slave_1 added [ 60.546192][ T8408] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.577973][ T8410] team0: Port device team_slave_0 added [ 60.585183][ T8408] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.655919][ T8408] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.706198][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.715646][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.725127][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.733955][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.744073][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.753583][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.763083][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.771008][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.780301][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.803413][ T8410] team0: Port device team_slave_1 added [ 60.844071][ T8414] device hsr_slave_0 entered promiscuous mode [ 60.891069][ T8414] device hsr_slave_1 entered promiscuous mode [ 60.930826][ T8414] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.962718][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.974492][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.983606][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.992819][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.001442][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.043999][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.054643][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.063486][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.075947][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.143897][ T8410] device hsr_slave_0 entered promiscuous mode [ 61.181998][ T8410] device hsr_slave_1 entered promiscuous mode [ 61.220900][ T8410] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.248528][ T3004] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.257244][ T3004] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.268094][ T8399] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.279915][ T8414] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 61.346301][ T8404] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.382942][ T8414] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 61.433198][ T8414] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 61.513513][ T8414] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 61.556358][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.564410][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.580049][ T8402] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.591845][ T8410] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 61.623514][ T8410] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 61.675276][ T8404] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.696079][ T8399] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.705306][ T8410] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 61.752729][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.763439][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.772348][ T3045] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.779413][ T3045] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.787398][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.795412][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.809884][ T8402] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.825575][ T8410] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 61.879651][ T8408] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.887858][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.896037][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.905108][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.914707][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.921822][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.929793][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.937820][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.945681][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.998343][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.013725][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.041498][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.049917][ T3045] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.057020][ T3045] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.071643][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.080525][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.091761][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.099883][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.108421][ T3045] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 167.020561][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 167.027434][ C0] rcu: 0-...!: (10499 ticks this GP) idle=dba/1/0x4000000000000002 softirq=11354/11354 fqs=4 [ 167.038032][ C0] (t=10501 jiffies g=6753 q=46) [ 167.043069][ C0] rcu: rcu_preempt kthread starved for 10494 jiffies! g6753 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 167.054251][ C0] rcu: RCU grace-period kthread stack dump: [ 167.060138][ C0] rcu_preempt R running task 29104 10 2 0x80004000 [ 167.068041][ C0] Call Trace: [ 167.071357][ C0] __schedule+0x9a0/0xcc0 [ 167.075717][ C0] schedule+0x181/0x210 [ 167.079861][ C0] schedule_timeout+0x14f/0x240 [ 167.084718][ C0] ? run_local_timers+0x120/0x120 [ 167.089748][ C0] rcu_gp_kthread+0xed8/0x1770 [ 167.094523][ C0] kthread+0x332/0x350 [ 167.098579][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 167.103685][ C0] ? kthread_blkcg+0xe0/0xe0 [ 167.108261][ C0] ret_from_fork+0x24/0x30 [ 167.112705][ C0] NMI backtrace for cpu 0 [ 167.117035][ C0] CPU: 0 PID: 3004 Comm: kworker/0:2 Not tainted 5.4.0-syzkaller #0 [ 167.124992][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.135147][ C0] Workqueue: rcu_gp process_srcu [ 167.140077][ C0] Call Trace: [ 167.143360][ C0] [ 167.146200][ C0] dump_stack+0x1fb/0x318 [ 167.150517][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 167.155359][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 167.161501][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 167.167643][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 167.173622][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 167.179507][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 167.184616][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 167.189815][ C0] ? trace_hardirqs_off+0x74/0x80 [ 167.195179][ C0] update_process_times+0x12d/0x180 [ 167.200382][ C0] tick_sched_timer+0x263/0x420 [ 167.205221][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.210755][ C0] __hrtimer_run_queues+0x403/0x840 [ 167.216203][ C0] hrtimer_interrupt+0x38c/0xda0 [ 167.221234][ C0] ? debug_smp_processor_id+0x9/0x20 [ 167.226701][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 167.232236][ C0] apic_timer_interrupt+0xf/0x20 [ 167.237156][ C0] [ 167.240100][ C0] RIP: 0010:__memcg_kmem_uncharge+0x138/0x1a0 [ 167.246164][ C0] Code: 42 8a 04 28 84 c0 75 3b f6 03 01 75 10 49 83 c7 10 4c 89 ff 48 8b 75 d0 e8 f5 90 00 00 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f <5d> c3 44 89 e1 80 e1 07 80 c1 03 38 c1 7c 96 4c 89 e7 e8 41 fd fa [ 167.265774][ C0] RSP: 0018:ffffc90007aef8e8 EFLAGS: 00000296 ORIG_RAX: ffffffffffffff13 [ 167.274183][ C0] RAX: 0000000000000001 RBX: ffffea000223ca40 RCX: 0000000000000000 [ 167.282141][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea000223ca40 [ 167.290106][ C0] RBP: ffffc90007aef8e8 R08: 000000000003a728 R09: fffffbfff120248a [ 167.298064][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff888094ac06a0 [ 167.306021][ C0] R13: dffffc0000000000 R14: 1ffff110129580d4 R15: ffff8880a975f568 [ 167.314003][ C0] free_thread_stack+0x12e/0x590 [ 167.318931][ C0] put_task_stack+0xa3/0x130 [ 167.323513][ C0] finish_task_switch+0x3f1/0x550 [ 167.328531][ C0] __schedule+0x9a8/0xcc0 [ 167.332861][ C0] preempt_schedule_irq+0xc1/0x140 [ 167.337990][ C0] retint_kernel+0x1b/0x2b [ 167.342420][ C0] RIP: 0010:delay_tsc+0x96/0xf0 [ 167.347272][ C0] Code: fb 41 89 c7 0f 01 f9 66 90 49 89 d4 49 c1 e4 20 49 09 c4 eb 29 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 a8 01 75 ca f3 90 01 00 00 00 e8 d0 ea 62 f9 e8 4b b4 a3 fb 41 39 c7 75 bb 0f 01 [ 167.366988][ C0] RSP: 0018:ffffc90007aefb48 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 167.375415][ C0] RAX: 0000000080000000 RBX: 0000000000002234 RCX: 0000000000000001 [ 167.383393][ C0] RDX: 0000000000000022 RSI: 0000000000000001 RDI: 0000000000000001 [ 167.391352][ C0] RBP: ffffc90007aefb68 R08: ffffffff8393cb27 R09: fffffbfff14572fd [ 167.399309][ C0] R10: fffffbfff14572fd R11: 0000000000000000 R12: 00000022c5abd47a [ 167.407284][ C0] R13: 0000000000000000 R14: 0000000000002ced R15: 0000000000000000 [ 167.415271][ C0] ? check_preemption_disabled+0x37/0x260 [ 167.420987][ C0] ? delay_tsc+0xc6/0xf0 [ 167.425220][ C0] __const_udelay+0x5e/0x70 [ 167.429714][ C0] try_check_zero+0x6e/0x380 [ 167.434298][ C0] process_srcu+0x1b7/0xd20 [ 167.438829][ C0] process_one_work+0x7ef/0x10d0 [ 167.444480][ C0] worker_thread+0xc01/0x1630 [ 167.449168][ C0] kthread+0x332/0x350 [ 167.453222][ C0] ? rcu_lock_release+0x30/0x30 [ 167.458246][ C0] ? kthread_blkcg+0xe0/0xe0 [ 167.462841][ C0] ret_from_fork+0x24/0x30