[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 43.534888][ T23] audit: type=1800 audit(1575429407.362:25): pid=8069 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 43.553702][ T23] audit: type=1800 audit(1575429407.362:26): pid=8069 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 43.578700][ T23] audit: type=1800 audit(1575429407.372:27): pid=8069 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 '10.128.10.1' (ECDSA) to the list of known hosts. 2019/12/04 03:16:59 fuzzer started 2019/12/04 03:17:00 dialing manager at 10.128.0.26:42111 2019/12/04 03:17:00 syscalls: 2689 2019/12/04 03:17:00 code coverage: enabled 2019/12/04 03:17:00 comparison tracing: enabled 2019/12/04 03:17:00 extra coverage: extra coverage is not supported by the kernel 2019/12/04 03:17:00 setuid sandbox: enabled 2019/12/04 03:17:00 namespace sandbox: enabled 2019/12/04 03:17:00 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 03:17:00 fault injection: enabled 2019/12/04 03:17:00 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 03:17:00 net packet injection: enabled 2019/12/04 03:17:00 net device setup: enabled 2019/12/04 03:17:00 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 03:17:00 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:17:01 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000540)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSPTLCK(r0, 0x5423, &(0x7f0000000580)=0x1) ioctl$TCSETA(r0, 0x8925, 0x0) 03:17:01 executing program 1: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000bfff0)={&(0x7f00000000c0)=@updpolicy={0x108, 0x19, 0x1, 0x0, 0x0, {{@in6=@loopback, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0xa}}, [@policy_type={0xc}, @tmpl={0x44, 0x5, [{{@in6=@empty}, 0x0, @in=@loopback}]}]}, 0x108}}, 0x0) syzkaller login: [ 58.066470][ T8237] IPVS: ftp: loaded support on port[0] = 21 [ 58.192688][ T8239] IPVS: ftp: loaded support on port[0] = 21 03:17:02 executing program 2: r0 = syz_open_dev$dri(&(0x7f0000000040)='/dev/dri/card#\x00', 0x0, 0x0) ioctl$DRM_IOCTL_SET_MASTER(r0, 0x641e) [ 58.237852][ T8237] chnl_net:caif_netlink_parms(): no params data found [ 58.325253][ T8237] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.333904][ T8237] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.342595][ T8237] device bridge_slave_0 entered promiscuous mode [ 58.354728][ T8237] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.362545][ T8237] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.370729][ T8237] device bridge_slave_1 entered promiscuous mode [ 58.418308][ T8237] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.453612][ T8237] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.466029][ T8239] chnl_net:caif_netlink_parms(): no params data found [ 58.489328][ T8237] team0: Port device team_slave_0 added [ 58.507393][ T8243] IPVS: ftp: loaded support on port[0] = 21 [ 58.516357][ T8237] team0: Port device team_slave_1 added 03:17:02 executing program 3: r0 = socket$rxrpc(0x21, 0x2, 0x2) setsockopt$sock_int(r0, 0x1, 0x7, &(0x7f0000000600), 0x4) [ 58.603107][ T8237] device hsr_slave_0 entered promiscuous mode [ 58.659033][ T8237] device hsr_slave_1 entered promiscuous mode [ 58.727825][ T8239] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.735129][ T8239] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.744895][ T8239] device bridge_slave_0 entered promiscuous mode 03:17:02 executing program 4: r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) lseek(r0, 0x7ffffc, 0x0) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$EXT4_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000040)) r2 = creat(&(0x7f0000000080)='./bus\x00', 0x0) write$binfmt_elf64(r2, &(0x7f0000000000)=ANY=[@ANYRESDEC], 0xfd14) write$binfmt_elf64(r0, &(0x7f0000000000)=ANY=[@ANYPTR], 0x8) fallocate(r0, 0x100000003, 0xf0ff, 0x80028120001) [ 58.772339][ T8239] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.780451][ T8245] IPVS: ftp: loaded support on port[0] = 21 [ 58.789195][ T8239] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.796877][ T8239] device bridge_slave_1 entered promiscuous mode [ 58.867063][ T8239] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.895408][ T8239] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.964173][ T8237] netdevsim netdevsim0 netdevsim0: renamed from eth0 03:17:02 executing program 5: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) unshare(0x8000400) io_uring_enter(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0) [ 59.020081][ T8239] team0: Port device team_slave_0 added [ 59.039944][ T8239] team0: Port device team_slave_1 added [ 59.052493][ T8237] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.116746][ T8237] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.220435][ T8239] device hsr_slave_0 entered promiscuous mode [ 59.270231][ T8239] device hsr_slave_1 entered promiscuous mode [ 59.318770][ T8239] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.336301][ T8249] IPVS: ftp: loaded support on port[0] = 21 [ 59.352634][ T8237] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.410527][ T8247] IPVS: ftp: loaded support on port[0] = 21 [ 59.501610][ T8243] chnl_net:caif_netlink_parms(): no params data found [ 59.547524][ T8245] chnl_net:caif_netlink_parms(): no params data found [ 59.600068][ T8239] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.640912][ T8239] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.684226][ T8239] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.738023][ T8245] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.745759][ T8245] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.753574][ T8245] device bridge_slave_0 entered promiscuous mode [ 59.761921][ T8243] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.769125][ T8243] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.776682][ T8243] device bridge_slave_0 entered promiscuous mode [ 59.783917][ T8239] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.844201][ T8245] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.851432][ T8245] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.860296][ T8245] device bridge_slave_1 entered promiscuous mode [ 59.867448][ T8243] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.875308][ T8243] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.883610][ T8243] device bridge_slave_1 entered promiscuous mode [ 59.927064][ T8237] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.956483][ T8247] chnl_net:caif_netlink_parms(): no params data found [ 59.976487][ T8245] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.996575][ T8253] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.004777][ T8253] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.015543][ T8237] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.027384][ T8243] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.039724][ T8243] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.050298][ T8245] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.079836][ T8249] chnl_net:caif_netlink_parms(): no params data found [ 60.114100][ T8253] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.123220][ T8253] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.131787][ T8253] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.138973][ T8253] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.164977][ T8247] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.172531][ T8247] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.180564][ T8247] device bridge_slave_0 entered promiscuous mode [ 60.193841][ T8245] team0: Port device team_slave_0 added [ 60.201388][ T8253] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.209497][ T8253] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.217909][ T8253] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.226315][ T8253] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.233364][ T8253] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.249016][ T8247] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.256073][ T8247] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.264328][ T8247] device bridge_slave_1 entered promiscuous mode [ 60.284516][ T8243] team0: Port device team_slave_0 added [ 60.291457][ T8245] team0: Port device team_slave_1 added [ 60.297821][ T8243] team0: Port device team_slave_1 added [ 60.308123][ T3884] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.316715][ T3884] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.346803][ T8249] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.354233][ T8249] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.361917][ T8249] device bridge_slave_0 entered promiscuous mode [ 60.373541][ T8247] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.385119][ T8247] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.396454][ T3884] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.404949][ T3884] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.413733][ T3884] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.422209][ T3884] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.442140][ T8249] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.450051][ T8249] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.457647][ T8249] device bridge_slave_1 entered promiscuous mode [ 60.531845][ T8245] device hsr_slave_0 entered promiscuous mode [ 60.589149][ T8245] device hsr_slave_1 entered promiscuous mode [ 60.628815][ T8245] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.636906][ T3884] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.645185][ T3884] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.653656][ T3884] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.711395][ T8243] device hsr_slave_0 entered promiscuous mode [ 60.769384][ T8243] device hsr_slave_1 entered promiscuous mode [ 60.808892][ T8243] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.834510][ T8237] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.851346][ T8237] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.862195][ T8239] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.876586][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.885568][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.898041][ T8247] team0: Port device team_slave_0 added [ 60.905998][ T8247] team0: Port device team_slave_1 added [ 60.913382][ T8249] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.925071][ T8249] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.948523][ T8245] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 61.011645][ T8245] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.050997][ T8245] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.129568][ T8239] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.142501][ T8245] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.198554][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.206544][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.214353][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.221958][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.231941][ T8249] team0: Port device team_slave_0 added [ 61.239334][ T8249] team0: Port device team_slave_1 added [ 61.266440][ T8237] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.275823][ T8243] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 61.311010][ T8243] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 61.440663][ T8247] device hsr_slave_0 entered promiscuous mode [ 61.479162][ T8247] device hsr_slave_1 entered promiscuous mode [ 61.518839][ T8247] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.552498][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.561296][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.570347][ T8251] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.577391][ T8251] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.585669][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.594162][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.602506][ T8251] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.610294][ T8251] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.617821][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.627303][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.635171][ T8243] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 61.684310][ T8243] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 61.780610][ T8249] device hsr_slave_0 entered promiscuous mode [ 61.819221][ T8249] device hsr_slave_1 entered promiscuous mode [ 61.859618][ T8249] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.910663][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.921475][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.930183][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.940123][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.969383][ T8253] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.977782][ T8253] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.986369][ T8253] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.995762][ T8253] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.004872][ T8253] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.013272][ T8253] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.026157][ T8239] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.042710][ T8247] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 62.121617][ T8245] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.145017][ T8245] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.195143][ T8245] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.205857][ T8245] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.244903][ T8245] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 167.088620][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 167.095378][ C1] rcu: 1-...!: (10499 ticks this GP) idle=3e2/1/0x4000000000000002 softirq=11052/11052 fqs=13 [ 167.105913][ C1] (t=10501 jiffies g=6329 q=507) [ 167.110927][ C1] rcu: rcu_preempt kthread starved for 10476 jiffies! g6329 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 167.122179][ C1] rcu: RCU grace-period kthread stack dump: [ 167.128053][ C1] rcu_preempt I29104 10 2 0x80004000 [ 167.134461][ C1] Call Trace: [ 167.137739][ C1] __schedule+0x9a0/0xcc0 [ 167.142061][ C1] schedule+0x181/0x210 [ 167.146224][ C1] schedule_timeout+0x14f/0x240 [ 167.151062][ C1] ? run_local_timers+0x120/0x120 [ 167.156076][ C1] rcu_gp_kthread+0xed8/0x1770 [ 167.160833][ C1] kthread+0x332/0x350 [ 167.164882][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 167.169976][ C1] ? kthread_blkcg+0xe0/0xe0 [ 167.174557][ C1] ret_from_fork+0x24/0x30 [ 167.178998][ C1] NMI backtrace for cpu 1 [ 167.183314][ C1] CPU: 1 PID: 8204 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 167.190748][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.200789][ C1] Call Trace: [ 167.204071][ C1] [ 167.206912][ C1] dump_stack+0x1fb/0x318 [ 167.211233][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 167.216066][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 167.222204][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 167.228252][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 167.234219][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 167.240095][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 167.245196][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 167.250395][ C1] ? trace_hardirqs_off+0x74/0x80 [ 167.255406][ C1] update_process_times+0x12d/0x180 [ 167.260591][ C1] tick_sched_timer+0x263/0x420 [ 167.265439][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.270968][ C1] __hrtimer_run_queues+0x403/0x840 [ 167.276176][ C1] hrtimer_interrupt+0x38c/0xda0 [ 167.281211][ C1] ? debug_smp_processor_id+0x9/0x20 [ 167.286482][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 167.292014][ C1] apic_timer_interrupt+0xf/0x20 [ 167.296941][ C1] [ 167.299866][ C1] RIP: 0010:free_thread_stack+0x168/0x590 [ 167.305680][ C1] Code: 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 25 a4 69 00 48 8b 3b be fc ff ff ff e8 28 04 00 00 <43> 80 3c 2e 00 74 08 4c 89 e7 e8 09 a4 69 00 49 8b 1c 24 48 83 c3 [ 167.325268][ C1] RSP: 0018:ffffc90001ba7760 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 167.333663][ C1] RAX: ffffffff81487433 RBX: ffff88809115b808 RCX: ffff88809f6f4500 [ 167.341618][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0001b02c80 [ 167.349572][ C1] RBP: ffffc90001ba7798 R08: 000000000003a768 R09: ffffed10125e3ae7 [ 167.357541][ C1] R10: ffffed10125e3ae7 R11: 0000000000000000 R12: ffff88809115b8a0 [ 167.365496][ C1] R13: dffffc0000000000 R14: 1ffff1101222b714 R15: ffff888092f1d728 [ 167.373479][ C1] ? mod_memcg_page_state+0x123/0x190 [ 167.378844][ C1] put_task_stack+0xa3/0x130 [ 167.383422][ C1] finish_task_switch+0x3f1/0x550 [ 167.388435][ C1] __schedule+0x9a8/0xcc0 [ 167.392757][ C1] schedule+0x181/0x210 [ 167.396898][ C1] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 167.402958][ C1] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 167.408752][ C1] schedule_hrtimeout_range+0x2a/0x40 [ 167.414108][ C1] poll_schedule_timeout+0x11c/0x1c0 [ 167.419385][ C1] do_sys_poll+0x82f/0x1240 [ 167.423891][ C1] ? debug_object_activate+0x2f7/0x6f0 [ 167.429337][ C1] ? debug_object_active_state+0x1e3/0x4a0 [ 167.435131][ C1] ? __lock_acquire+0xc75/0x1be0 [ 167.440058][ C1] ? __x32_compat_sys_ppoll_time64+0xd0/0xd0 [ 167.446029][ C1] ? trace_hardirqs_on+0x74/0x80 [ 167.450947][ C1] ? ktime_get_ts64+0x6e/0x2c0 [ 167.455702][ C1] ? ktime_get_ts64+0x6e/0x2c0 [ 167.460451][ C1] ? read_seqcount_begin+0x125/0x1c0 [ 167.465725][ C1] ? trace_hardirqs_on+0x74/0x80 [ 167.470655][ C1] ? ktime_get_ts64+0x6e/0x2c0 [ 167.475402][ C1] ? read_seqcount_begin+0x17a/0x1c0 [ 167.480671][ C1] ? ktime_get_ts64+0x236/0x2c0 [ 167.485507][ C1] ? timespec64_add_safe+0x171/0x1b0 [ 167.490784][ C1] __se_sys_poll+0x1b0/0x360 [ 167.495364][ C1] __x64_sys_poll+0x7b/0x90 [ 167.499852][ C1] do_syscall_64+0xf7/0x1c0 [ 167.504345][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 167.510231][ C1] RIP: 0033:0x7f136df06678 [ 167.514631][ C1] Code: 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 90 90 90 48 83 ec 28 8b 05 82 8f 2b 00 85 c0 75 17 48 63 d2 b8 07 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 48 83 c4 28 c3 89 54 24 08 48 89 74 24 10 [ 167.534392][ C1] RSP: 002b:00007fff08007fa0 EFLAGS: 00000246 ORIG_RAX: 0000000000000007 [ 167.542787][ C1] RAX: ffffffffffffffda RBX: 20c49ba5e353f7cf RCX: 00007f136df06678 [ 167.550744][ C1] RDX: 000000000000ee35 RSI: 0000000000000001 RDI: 00007fff08008060 [ 167.558698][ C1] RBP: 0000000000000000 R08: 00007fff08007fb0 R09: 00007fff081980b8 [ 167.566663][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000e010b0 [ 167.574621][ C1] R13: 0000000000002043 R14: 00007fff08008034 R15: 0000000000de8250