[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 45.279854][ T23] audit: type=1800 audit(1575374701.228:25): pid=8122 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 45.307160][ T23] audit: type=1800 audit(1575374701.228:26): pid=8122 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 45.349116][ T23] audit: type=1800 audit(1575374701.228:27): pid=8122 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 '10.128.0.14' (ECDSA) to the list of known hosts. 2019/12/03 12:05:10 fuzzer started 2019/12/03 12:05:11 dialing manager at 10.128.0.26:45711 2019/12/03 12:05:11 syscalls: 2689 2019/12/03 12:05:11 code coverage: enabled 2019/12/03 12:05:11 comparison tracing: enabled 2019/12/03 12:05:11 extra coverage: extra coverage is not supported by the kernel 2019/12/03 12:05:11 setuid sandbox: enabled 2019/12/03 12:05:11 namespace sandbox: enabled 2019/12/03 12:05:11 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 12:05:11 fault injection: enabled 2019/12/03 12:05:11 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 12:05:11 net packet injection: enabled 2019/12/03 12:05:11 net device setup: enabled 2019/12/03 12:05:11 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 12:05:11 devlink PCI setup: PCI device 0000:00:10.0 is not available 12:05:12 executing program 0: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x1f, 0x1, 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_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) getsockopt$IP_VS_SO_GET_DESTS(r0, 0x0, 0x21, 0x0, &(0x7f00000002c0)) 12:05:12 executing program 1: perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x203, 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) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000140)={0x26, 'aead\x00', 0x0, 0x0, 'gcm_base(ctr(aes-aesni),ghash-generic)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000ff8000)="0a0775b005e381e5b3b60ced5c54dbb7", 0x10) r1 = accept$alg(r0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f0000003e80)=[{0x0, 0x0, &(0x7f0000002a80), 0x359, &(0x7f0000000100)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x0) recvmmsg(r1, &(0x7f0000001280)=[{{0x0, 0x0, &(0x7f0000001180)=[{&(0x7f0000001080)=""/251, 0xfb}], 0x1}}], 0x500, 0x0, 0x0) syzkaller login: [ 56.974377][ T8291] IPVS: ftp: loaded support on port[0] = 21 12:05:13 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_TX_RING(r0, 0x10e, 0xc, &(0x7f0000000040)={0x8000}, 0x10) sendmsg$nl_xfrm(r0, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000700)={&(0x7f0000000840)=@newae={0x40, 0x1e, 0x211, 0x0, 0x0, {{@in6=@remote={0xfe, 0x8000000}}, @in=@dev}}, 0x40}}, 0x0) [ 57.110860][ T8291] chnl_net:caif_netlink_parms(): no params data found [ 57.129436][ T8293] IPVS: ftp: loaded support on port[0] = 21 [ 57.161586][ T8291] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.174586][ T8291] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.197321][ T8291] device bridge_slave_0 entered promiscuous mode [ 57.227867][ T8291] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.235075][ T8291] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.250902][ T8291] device bridge_slave_1 entered promiscuous mode [ 57.299782][ T8291] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.324297][ T8291] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.338904][ T8297] IPVS: ftp: loaded support on port[0] = 21 [ 57.370632][ T8291] team0: Port device team_slave_0 added [ 57.389402][ T8291] team0: Port device team_slave_1 added 12:05:13 executing program 3: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000000)='batadv0\x00', 0x10) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = fcntl$dupfd(r2, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) connect$inet(r0, &(0x7f0000593000)={0x2, 0x0, @multicast1}, 0x10) r4 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mreqsrc(r4, 0x0, 0x27, &(0x7f0000000040)={@multicast1, @local, @multicast1}, 0xc) setsockopt$inet_mreqn(r0, 0x0, 0x13, &(0x7f00000000c0)={@broadcast, @local}, 0x94) [ 57.458353][ T8291] device hsr_slave_0 entered promiscuous mode [ 57.526584][ T8291] device hsr_slave_1 entered promiscuous mode [ 57.604512][ T8299] IPVS: ftp: loaded support on port[0] = 21 12:05:13 executing program 4: bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x6, 0x4, &(0x7f0000000000)=@framed={{0x18, 0x2}, [@call={0x85, 0x0, 0x0, 0x45}]}, &(0x7f00000000c0)='GPL\x00', 0x4, 0x1000, &(0x7f000062b000)=""/4096, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) [ 57.711928][ T8291] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.789359][ T8293] chnl_net:caif_netlink_parms(): no params data found [ 57.818301][ T8291] netdevsim netdevsim0 netdevsim1: renamed from eth1 12:05:13 executing program 5: r0 = socket$unix(0x1, 0x5, 0x0) recvmmsg(r0, &(0x7f0000003a80)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0, 0x0) [ 57.869508][ T8291] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.988029][ T8291] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.056156][ T8302] IPVS: ftp: loaded support on port[0] = 21 [ 58.059764][ T8291] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.069691][ T8291] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.078990][ T8291] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.086134][ T8291] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.137506][ T8305] IPVS: ftp: loaded support on port[0] = 21 [ 58.158688][ T8297] chnl_net:caif_netlink_parms(): no params data found [ 58.180968][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.189218][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.260066][ T8293] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.267579][ T8293] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.275201][ T8293] device bridge_slave_0 entered promiscuous mode [ 58.285436][ T8293] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.292842][ T8293] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.305649][ T8293] device bridge_slave_1 entered promiscuous mode [ 58.327521][ T8293] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.337267][ T8297] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.344388][ T8297] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.352548][ T8297] device bridge_slave_0 entered promiscuous mode [ 58.360487][ T8297] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.368810][ T8297] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.378501][ T8297] device bridge_slave_1 entered promiscuous mode [ 58.397297][ T8299] chnl_net:caif_netlink_parms(): no params data found [ 58.406789][ T8297] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.419773][ T8293] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.440354][ T8297] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.469906][ T8293] team0: Port device team_slave_0 added [ 58.498874][ T8293] team0: Port device team_slave_1 added [ 58.508895][ T8297] team0: Port device team_slave_0 added [ 58.531218][ T8299] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.538610][ T8299] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.546580][ T8299] device bridge_slave_0 entered promiscuous mode [ 58.554784][ T8299] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.562946][ T8299] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.570779][ T8299] device bridge_slave_1 entered promiscuous mode [ 58.580466][ T8297] team0: Port device team_slave_1 added [ 58.590944][ T8291] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.645291][ T8299] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.659906][ T8302] chnl_net:caif_netlink_parms(): no params data found [ 58.718833][ T8293] device hsr_slave_0 entered promiscuous mode [ 58.756655][ T8293] device hsr_slave_1 entered promiscuous mode [ 58.796447][ T8293] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.823832][ T8299] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.879500][ T8297] device hsr_slave_0 entered promiscuous mode [ 58.926672][ T8297] device hsr_slave_1 entered promiscuous mode [ 58.986365][ T8297] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.022317][ T8299] team0: Port device team_slave_0 added [ 59.032532][ T8299] team0: Port device team_slave_1 added [ 59.080592][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.090050][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.107150][ T8291] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.158865][ T8299] device hsr_slave_0 entered promiscuous mode [ 59.196734][ T8299] device hsr_slave_1 entered promiscuous mode [ 59.246337][ T8299] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.255398][ T8305] chnl_net:caif_netlink_parms(): no params data found [ 59.273729][ T8302] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.282191][ T8302] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.290410][ T8302] device bridge_slave_0 entered promiscuous mode [ 59.298337][ T8302] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.305385][ T8302] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.314635][ T8302] device bridge_slave_1 entered promiscuous mode [ 59.325478][ T8293] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.381850][ T8293] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.439754][ T8293] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.492603][ T8293] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.550070][ T8302] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.570269][ T8296] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.583436][ T8296] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.592646][ T8296] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.599780][ T8296] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.625218][ T8302] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.635955][ T8297] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.682827][ T8305] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.691003][ T8305] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.699683][ T8305] device bridge_slave_0 entered promiscuous mode [ 59.712179][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.722662][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.731643][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.738853][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.747762][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.757695][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.779912][ T8297] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.831895][ T8296] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.843958][ T8296] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.853081][ T8296] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.862932][ T8296] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.871794][ T8305] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.882345][ T8305] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.890608][ T8305] device bridge_slave_1 entered promiscuous mode [ 59.903293][ T8299] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.972870][ T8299] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.030390][ T8297] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.078242][ T8297] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.124173][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.136055][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.144938][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.154737][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.163238][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.177588][ T8302] team0: Port device team_slave_0 added [ 60.184480][ T8305] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.194414][ T8299] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.257927][ T8299] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.310640][ T8291] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.324167][ T8302] team0: Port device team_slave_1 added [ 60.332427][ T8305] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.399038][ T8302] device hsr_slave_0 entered promiscuous mode [ 60.456801][ T8302] device hsr_slave_1 entered promiscuous mode [ 60.496537][ T8302] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.524184][ T8305] team0: Port device team_slave_0 added [ 60.534419][ T8305] team0: Port device team_slave_1 added [ 60.615326][ T8302] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.662746][ T8291] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.671877][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.680275][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.738939][ T8305] device hsr_slave_0 entered promiscuous mode [ 60.777434][ T8305] device hsr_slave_1 entered promiscuous mode [ 60.816409][ T8305] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.832538][ T8297] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.842192][ T8302] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.878598][ T8302] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.932599][ T8302] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 61.014397][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.026049][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.042595][ T8299] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.061945][ T8297] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.072770][ T8293] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.092247][ T8305] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 61.141398][ T8305] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 61.189533][ T8296] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.200915][ T8296] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.210840][ T8296] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.224256][ T8296] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.247203][ T8296] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.254340][ T8296] bridge0: port 1(bridge_slave_0) entered forwarding state [ 166.286202][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.295142][ C1] rcu: 1-...!: (10499 ticks this GP) idle=3de/1/0x4000000000000002 softirq=12010/12010 fqs=143 [ 166.308521][ C1] (t=10500 jiffies g=6441 q=76) [ 166.313637][ C1] rcu: rcu_preempt kthread starved for 10208 jiffies! g6441 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 166.324854][ C1] rcu: RCU grace-period kthread stack dump: [ 166.331718][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 166.339627][ C1] Call Trace: [ 166.343366][ C1] __schedule+0x9a0/0xcc0 [ 166.347700][ C1] schedule+0x181/0x210 [ 166.352103][ C1] schedule_timeout+0x14f/0x240 [ 166.357604][ C1] ? run_local_timers+0x120/0x120 [ 166.362879][ C1] rcu_gp_kthread+0xed8/0x1770 [ 166.367674][ C1] kthread+0x332/0x350 [ 166.372799][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 166.378360][ C1] ? kthread_blkcg+0xe0/0xe0 [ 166.383618][ C1] ret_from_fork+0x24/0x30 [ 166.388047][ C1] NMI backtrace for cpu 1 [ 166.393210][ C1] CPU: 1 PID: 8296 Comm: kworker/1:2 Not tainted 5.4.0-syzkaller #0 [ 166.401275][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.413491][ C1] Workqueue: events linkwatch_event [ 166.419136][ C1] Call Trace: [ 166.422415][ C1] [ 166.425279][ C1] dump_stack+0x1fb/0x318 [ 166.429600][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 166.436450][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 166.442612][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 166.448695][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 166.454690][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 166.460717][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 166.465855][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 166.471165][ C1] ? trace_hardirqs_off+0x74/0x80 [ 166.476380][ C1] update_process_times+0x12d/0x180 [ 166.482114][ C1] tick_sched_timer+0x263/0x420 [ 166.487405][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.493241][ C1] __hrtimer_run_queues+0x403/0x840 [ 166.498622][ C1] hrtimer_interrupt+0x38c/0xda0 [ 166.503605][ C1] ? debug_smp_processor_id+0x9/0x20 [ 166.508998][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 166.514731][ C1] apic_timer_interrupt+0xf/0x20 [ 166.519662][ C1] [ 166.522595][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x1c/0x50 [ 166.528929][ C1] Code: 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 00 01 1f 00 75 2c <8b> 91 80 13 00 00 83 fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 [ 166.550483][ C1] RSP: 0018:ffffc90001e277e8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 166.559030][ C1] RAX: ffffffff81487326 RBX: ffffea00025df940 RCX: ffff8880a3f82540 [ 166.567458][ C1] RDX: 0000000000000001 RSI: 00000000fffffffc RDI: ffffea00025df940 [ 166.575774][ C1] RBP: ffffc90001e27810 R08: dffffc0000000000 R09: fffffbfff120248a [ 166.583932][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff8880a7f94a20 [ 166.593280][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a8b75a28 [ 166.601940][ C1] ? mod_memcg_page_state+0x16/0x190 [ 166.607555][ C1] ? free_thread_stack+0x124/0x590 [ 166.613793][ C1] ? mod_memcg_page_state+0x16/0x190 [ 166.619589][ C1] free_thread_stack+0x168/0x590 [ 166.624802][ C1] put_task_stack+0xa3/0x130 [ 166.629935][ C1] finish_task_switch+0x3f1/0x550 [ 166.634976][ C1] __schedule+0x9a8/0xcc0 [ 166.640411][ C1] ? ___preempt_schedule+0x16/0x18 [ 166.646328][ C1] preempt_schedule+0xdb/0x120 [ 166.651105][ C1] ? br_port_carrier_check+0x462/0x570 [ 166.656624][ C1] ___preempt_schedule+0x16/0x18 [ 166.664087][ C1] ? mark_lock+0x107/0x1650 [ 166.669222][ C1] __local_bh_enable_ip+0x17d/0x240 [ 166.674439][ C1] ? br_port_carrier_check+0x462/0x570 [ 166.679891][ C1] _raw_spin_unlock_bh+0x2f/0x40 [ 166.685178][ C1] br_port_carrier_check+0x462/0x570 [ 166.690840][ C1] br_device_event+0x449/0x860 [ 166.695601][ C1] raw_notifier_call_chain+0xec/0x190 [ 166.701424][ C1] netdev_state_change+0x147/0x1f0 [ 166.706527][ C1] linkwatch_do_dev+0x10e/0x160 [ 166.711368][ C1] __linkwatch_run_queue+0x446/0x730 [ 166.717196][ C1] linkwatch_event+0x4c/0x60 [ 166.721772][ C1] process_one_work+0x7ef/0x10d0 [ 166.726730][ C1] worker_thread+0xc01/0x1630 [ 166.731445][ C1] kthread+0x332/0x350 [ 166.735501][ C1] ? rcu_lock_release+0x30/0x30 [ 166.740336][ C1] ? kthread_blkcg+0xe0/0xe0 [ 166.745194][ C1] ret_from_fork+0x24/0x30