[ 43.954003][ T23] audit: type=1800 audit(1575417448.744:26): pid=8028 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 43.987685][ T23] audit: type=1800 audit(1575417448.744:27): pid=8028 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 44.021878][ T23] audit: type=1800 audit(1575417448.744:28): pid=8028 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. [ 44.874633][ T23] audit: type=1800 audit(1575417449.704:29): pid=8028 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 '10.128.1.56' (ECDSA) to the list of known hosts. 2019/12/03 23:57:38 fuzzer started 2019/12/03 23:57:40 dialing manager at 10.128.0.26:42111 2019/12/03 23:57:40 syscalls: 2689 2019/12/03 23:57:40 code coverage: enabled 2019/12/03 23:57:40 comparison tracing: enabled 2019/12/03 23:57:40 extra coverage: extra coverage is not supported by the kernel 2019/12/03 23:57:40 setuid sandbox: enabled 2019/12/03 23:57:40 namespace sandbox: enabled 2019/12/03 23:57:40 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 23:57:40 fault injection: enabled 2019/12/03 23:57:40 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 23:57:40 net packet injection: enabled 2019/12/03 23:57:40 net device setup: enabled 2019/12/03 23:57:40 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 23:57:40 devlink PCI setup: PCI device 0000:00:10.0 is not available 23:57:41 executing program 0: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000005c0)=@updpolicy={0xb8, 0x19, 0x1, 0x0, 0x0, {{@in6=@loopback, @in=@multicast1, 0x0, 0x0, 0x2000, 0x0, 0x2}}}, 0xb8}}, 0x0) 23:57:41 executing program 1: socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg(r0, &(0x7f0000000640)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0, 0x0, &(0x7f0000002f00)=[{0x408, 0x1, 0x1, "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"}], 0x408}}], 0x2, 0x0) syzkaller login: [ 57.130913][ T8193] IPVS: ftp: loaded support on port[0] = 21 [ 57.257051][ T8193] chnl_net:caif_netlink_parms(): no params data found [ 57.301159][ T8193] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.311048][ T8193] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.319687][ T8193] device bridge_slave_0 entered promiscuous mode [ 57.330239][ T8193] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.338638][ T8193] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.348617][ T8193] device bridge_slave_1 entered promiscuous mode [ 57.371736][ T8193] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.384877][ T8193] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.407732][ T8196] IPVS: ftp: loaded support on port[0] = 21 23:57:42 executing program 2: mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='cgroup2\x00', 0x0, 0x0) r0 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) r1 = openat$cgroup_subtree(r0, &(0x7f0000000340)='cgroup.subtree_control\x00', 0x2, 0x0) write$cgroup_subtree(r1, &(0x7f0000000280)=ANY=[@ANYBLOB="2d63707520ff92b2f197d86ad80547edb4cd282eaa6ef7ad6224d7b3ecb7b7a2436978ac3aad2814b44d3d3a4a9f842473a457206fcb95c665a50bd1a286b2445614306acda1963025e1dfa600a8713bc838b04a459a4600db8401f170d92ee34e1f04ea91df2bacb934a272caa68cb930f14608493b756c3d164ffa1f3c97a8728bf67e946ec1000000000000000035716ed0be9fb90437e907d4ee63c572a67fb888108744339e535a893509d12bb3d06a2e00"/189], 0x5) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$cgroup_subtree(r1, &(0x7f00000000c0)={[{0x2b, 'cpu'}]}, 0x5) [ 57.425974][ T8193] team0: Port device team_slave_0 added [ 57.446502][ T8193] team0: Port device team_slave_1 added [ 57.535510][ T8193] device hsr_slave_0 entered promiscuous mode [ 57.593035][ T8193] device hsr_slave_1 entered promiscuous mode 23:57:42 executing program 3: r0 = socket(0x1e, 0x4, 0x0) setsockopt$TIPC_DEST_DROPPABLE(r0, 0x10f, 0x81, &(0x7f0000000480), 0x4) sendmsg$tipc(r0, &(0x7f0000003600)={&(0x7f0000000080)=@nameseq={0x1e, 0x1, 0x0, {0x1, 0x0, 0x1}}, 0x10, 0x0}, 0x0) recvmmsg(r0, &(0x7f00000012c0)=[{{0x0, 0x0, &(0x7f0000000900)=[{&(0x7f0000000340)=""/202, 0xca}], 0x1, &(0x7f0000000980)=""/100, 0x64}}], 0x2, 0x0, 0x0) [ 57.681907][ T8198] IPVS: ftp: loaded support on port[0] = 21 [ 57.824146][ T8193] netdevsim netdevsim0 netdevsim0: renamed from eth0 23:57:42 executing program 4: r0 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r0, 0x1000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0xfffffffffffffcc1, &(0x7f0000000080)={0x0, 0xfffffdf7}}, 0x0) r1 = socket(0x10, 0x3, 0x0) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2c0000001800010200000000000000001d01000018000200bc1ca20400801da1b90f71dac0a7275dfda30000"], 0x2c}}, 0x0) sendmmsg$alg(r1, &(0x7f0000000140), 0x4924a61, 0x0) [ 57.866169][ T8193] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.932271][ T8196] chnl_net:caif_netlink_parms(): no params data found [ 57.965638][ T8193] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.025416][ T8193] netdevsim netdevsim0 netdevsim3: renamed from eth3 23:57:42 executing program 5: r0 = socket$inet6(0xa, 0x400000000001, 0x0) close(r0) openat$random(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/urandom\x00', 0x402, 0x0) r1 = open(&(0x7f0000002000)='./bus\x00', 0x143042, 0x0) sendfile(r0, r1, 0x0, 0x0) [ 58.126405][ T8201] IPVS: ftp: loaded support on port[0] = 21 [ 58.143818][ T8203] IPVS: ftp: loaded support on port[0] = 21 [ 58.152038][ T8193] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.159266][ T8193] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.167240][ T8193] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.174729][ T8193] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.205611][ T8196] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.213135][ T8196] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.221115][ T8196] device bridge_slave_0 entered promiscuous mode [ 58.286477][ T8196] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.294412][ T8196] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.301951][ T8196] device bridge_slave_1 entered promiscuous mode [ 58.345277][ T3024] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.364042][ T3024] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.378203][ T8196] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.389577][ T8196] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.417592][ T8196] team0: Port device team_slave_0 added [ 58.424014][ T8198] chnl_net:caif_netlink_parms(): no params data found [ 58.433656][ T8196] team0: Port device team_slave_1 added [ 58.475201][ T8196] device hsr_slave_0 entered promiscuous mode [ 58.534045][ T8196] device hsr_slave_1 entered promiscuous mode [ 58.572922][ T8196] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.585843][ T8206] IPVS: ftp: loaded support on port[0] = 21 [ 58.651262][ T8193] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.727259][ T8203] chnl_net:caif_netlink_parms(): no params data found [ 58.759926][ T8201] chnl_net:caif_netlink_parms(): no params data found [ 58.774389][ T8198] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.781547][ T8198] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.789568][ T8198] device bridge_slave_0 entered promiscuous mode [ 58.801867][ T8193] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.810180][ T8196] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.845224][ T8196] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.896849][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.905674][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.914758][ T8198] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.921801][ T8198] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.931362][ T8198] device bridge_slave_1 entered promiscuous mode [ 58.951373][ T8198] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.960633][ T8196] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.020184][ T8203] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.028441][ T8203] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.037260][ T8203] device bridge_slave_0 entered promiscuous mode [ 59.046120][ T8203] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.053331][ T8203] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.060995][ T8203] device bridge_slave_1 entered promiscuous mode [ 59.080972][ T8198] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.098158][ T8196] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.156496][ T3954] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.165897][ T3954] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.174646][ T3954] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.181896][ T3954] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.194085][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.203545][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.214282][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.221349][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.238741][ T8198] team0: Port device team_slave_0 added [ 59.249424][ T8203] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.261900][ T8203] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.289950][ T8198] team0: Port device team_slave_1 added [ 59.299216][ T8201] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.306529][ T8201] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.314425][ T8201] device bridge_slave_0 entered promiscuous mode [ 59.322263][ T8201] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.329500][ T8201] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.337321][ T8201] device bridge_slave_1 entered promiscuous mode [ 59.414809][ T8198] device hsr_slave_0 entered promiscuous mode [ 59.463187][ T8198] device hsr_slave_1 entered promiscuous mode [ 59.512970][ T8198] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.539864][ T8203] team0: Port device team_slave_0 added [ 59.549249][ T8203] team0: Port device team_slave_1 added [ 59.562425][ T8206] chnl_net:caif_netlink_parms(): no params data found [ 59.575452][ T3957] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.584878][ T3957] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.601455][ T8193] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.612454][ T8193] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.632410][ T8201] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.659267][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.668362][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.677508][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.686039][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.694726][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.703024][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.711497][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.720289][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.728800][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.736987][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.795859][ T8203] device hsr_slave_0 entered promiscuous mode [ 59.833292][ T8203] device hsr_slave_1 entered promiscuous mode [ 59.872847][ T8203] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.890681][ T8201] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.925919][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.933867][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.941408][ T8198] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.019378][ T8201] team0: Port device team_slave_0 added [ 60.025408][ T8206] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.032470][ T8206] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.040862][ T8206] device bridge_slave_0 entered promiscuous mode [ 60.048997][ T8206] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.056305][ T8206] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.064779][ T8206] device bridge_slave_1 entered promiscuous mode [ 60.074523][ T8193] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.087050][ T8198] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.125969][ T8201] team0: Port device team_slave_1 added [ 60.148576][ T8198] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.195411][ T8198] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.250969][ T8206] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.280836][ T8203] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.345949][ T8206] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.380547][ T8203] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.425536][ T8203] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 165.412676][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 165.419463][ C1] rcu: 1-...!: (10499 ticks this GP) idle=396/1/0x4000000000000002 softirq=11506/11511 fqs=1 [ 165.429930][ C1] (t=10500 jiffies g=5921 q=83) [ 165.434857][ C1] rcu: rcu_preempt kthread starved for 10498 jiffies! g5921 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 165.445939][ C1] rcu: RCU grace-period kthread stack dump: [ 165.451930][ C1] rcu_preempt R running task 29104 10 2 0x80004000 [ 165.459842][ C1] Call Trace: [ 165.463156][ C1] __schedule+0x9a0/0xcc0 [ 165.467491][ C1] schedule+0x181/0x210 [ 165.471642][ C1] schedule_timeout+0x14f/0x240 [ 165.476489][ C1] ? run_local_timers+0x120/0x120 [ 165.481520][ C1] rcu_gp_kthread+0xed8/0x1770 [ 165.486286][ C1] kthread+0x332/0x350 [ 165.490360][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 165.495471][ C1] ? kthread_blkcg+0xe0/0xe0 [ 165.500066][ C1] ret_from_fork+0x24/0x30 [ 165.504491][ C1] NMI backtrace for cpu 1 [ 165.508812][ C1] CPU: 1 PID: 3954 Comm: kworker/1:2 Not tainted 5.4.0-syzkaller #0 [ 165.516769][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.526819][ C1] Workqueue: rcu_gp process_srcu [ 165.531741][ C1] Call Trace: [ 165.535011][ C1] [ 165.537866][ C1] dump_stack+0x1fb/0x318 [ 165.542185][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 165.547020][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 165.553160][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 165.559213][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 165.565184][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 165.571060][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 165.576183][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 165.581375][ C1] ? trace_hardirqs_off+0x74/0x80 [ 165.586389][ C1] update_process_times+0x12d/0x180 [ 165.591678][ C1] tick_sched_timer+0x263/0x420 [ 165.596516][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.602047][ C1] __hrtimer_run_queues+0x403/0x840 [ 165.607249][ C1] hrtimer_interrupt+0x38c/0xda0 [ 165.612190][ C1] ? debug_smp_processor_id+0x9/0x20 [ 165.617466][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 165.623001][ C1] apic_timer_interrupt+0xf/0x20 [ 165.627920][ C1] [ 165.630849][ C1] RIP: 0010:__memcg_kmem_uncharge+0x42/0x2e0 [ 165.636815][ C1] Code: 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 ff 4d 8b 3e b8 01 00 00 00 89 d9 e0 4d 85 ff 0f 84 bf 01 00 00 4c 39 3d 04 ce 8c 07 0f 84 6e 02 [ 165.656406][ C1] RSP: 0018:ffffc9000d2ff980 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.664803][ C1] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 [ 165.672762][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00027ac680 [ 165.680721][ C1] RBP: ffffc9000d2ff9b0 R08: dffffc0000000000 R09: fffffbfff120248a [ 165.688680][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: ffffea00027ac680 [ 165.696639][ C1] R13: 1ffffd40004f58d7 R14: ffffea00027ac6b8 R15: 0000000000000000 [ 165.704619][ C1] ? free_thread_stack+0x124/0x590 [ 165.709728][ C1] free_thread_stack+0x12e/0x590 [ 165.714653][ C1] put_task_stack+0xa3/0x130 [ 165.719229][ C1] finish_task_switch+0x3f1/0x550 [ 165.724244][ C1] __schedule+0x9a8/0xcc0 [ 165.728571][ C1] ? ___preempt_schedule+0x16/0x18 [ 165.733670][ C1] preempt_schedule+0xdb/0x120 [ 165.738423][ C1] ___preempt_schedule+0x16/0x18 [ 165.745097][ C1] _raw_spin_unlock_irq+0x77/0x80 [ 165.750108][ C1] srcu_reschedule+0x9a/0xf0 [ 165.754687][ C1] process_srcu+0x566/0xd20 [ 165.759192][ C1] process_one_work+0x7ef/0x10d0 [ 165.764132][ C1] worker_thread+0xc01/0x1630 [ 165.768817][ C1] kthread+0x332/0x350 [ 165.772869][ C1] ? rcu_lock_release+0x30/0x30 [ 165.777706][ C1] ? kthread_blkcg+0xe0/0xe0 [ 165.782305][ C1] ret_from_fork+0x24/0x30