[Firmware Bug]: TSC ADJUST differs: CPU0 0 --> -1714491390418. Restoring rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: (detected by 0, t=77929 jiffies, g=134541, q=68) rcu: All QSes seen, last rcu_preempt kthread activity 77929 (4295092562-4295014633), jiffies_till_next_fqs=1, root ->qsmask 0x0 ip6_tunnel: ip6gretap0 xmit: Local address not yet configured! swapper/0 R running task 27720 0 0 0x80200008 Call Trace: sched_show_task.cold+0x332/0x396 kernel/sched/core.c:5337 print_other_cpu_stall kernel/rcu/tree.c:1430 [inline] check_cpu_stall kernel/rcu/tree.c:1557 [inline] __rcu_pending kernel/rcu/tree.c:3293 [inline] rcu_pending kernel/rcu/tree.c:3336 [inline] rcu_check_callbacks.cold+0xb37/0xe19 kernel/rcu/tree.c:2682 update_process_times+0x2a/0x70 kernel/time/timer.c:1650 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:168 tick_sched_timer+0xfc/0x290 kernel/time/tick-sched.c:1278 __run_hrtimer kernel/time/hrtimer.c:1465 [inline] __hrtimer_run_queues+0x3f6/0xe60 kernel/time/hrtimer.c:1527 hrtimer_interrupt+0x326/0x9e0 kernel/time/hrtimer.c:1585 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1071 [inline] smp_apic_timer_interrupt+0x10c/0x550 arch/x86/kernel/apic/apic.c:1096 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:cpuidle_idle_call kernel/sched/idle.c:140 [inline] RIP: 0010:do_idle+0x372/0x4b0 kernel/sched/idle.c:263 Code: 48 c7 c0 98 82 f1 89 48 c1 e8 03 80 3c 18 00 0f 85 0c 01 00 00 48 83 3d 53 59 ae 08 00 0f 84 9a 00 00 00 fb 66 0f 1f 44 00 00 b5 fd ff ff 0f 0b 0f 0b e8 e0 7f 24 00 48 c7 c0 98 82 f1 89 48 RSP: 0018:ffffffff89e07d78 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3053 RBX: dffffc0000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff89e78904 RBP: 0000000000000000 R08: 0000000000000048 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff89f18290 R13: 1ffffffff13c0fb2 R14: 0000000000000000 R15: 0000000000000000 cpu_startup_entry+0xc5/0xe0 kernel/sched/idle.c:369 start_kernel+0x8d6/0x911 init/main.c:736 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243 rcu: rcu_preempt kthread starved for 77929 jiffies! g134541 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: RCU grace-period kthread stack dump: rcu_preempt R running task 29208 10 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_timeout+0x4cf/0xfe0 kernel/time/timer.c:1818 rcu_gp_kthread+0xdad/0x21c0 kernel/rcu/tree.c:2202 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 clocksource: timekeeping watchdog on CPU0: Marking clocksource 'tsc' as unstable because the skew is too large: clocksource: 'kvm-clock' wd_now: 16b0fcc6e9c wd_last: b58a82bc36 mask: ffffffffffffffff clocksource: 'tsc' cs_now: 7448e428 cs_last: 18f44b513fc mask: ffffffffffffffff tsc: Marking TSC unstable due to clocksource watchdog ip6_tunnel: ip6gretap0 xmit: Local address not yet configured! ip6_tunnel: ip6gretap0 xmit: Local address not yet configured! BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 779s! Showing busy workqueues and worker pools: workqueue events: flags=0x0 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=10/256 refcnt=11 pending: perf_sched_delayed, defense_work_handler, defense_work_handler, defense_work_handler, defense_work_handler, cache_reap, macvlan_process_broadcast, macvlan_process_broadcast, macvlan_process_broadcast, macvlan_process_broadcast pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=7/256 refcnt=8 pending: defense_work_handler, defense_work_handler, defense_work_handler, clocksource_watchdog_work, switchdev_deferred_process_work, vmstat_shepherd, cache_reap workqueue events_long: flags=0x0 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 pending: br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=6/256 refcnt=7 pending: br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup workqueue events_power_efficient: flags=0x80 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 pending: fb_flashcursor, reg_check_chans_work pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=5/256 refcnt=6 pending: check_lifetime, sync_hw_clock, neigh_periodic_work, do_cache_clean, neigh_periodic_work workqueue rcu_gp: flags=0x8 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: srcu_invoke_callbacks workqueue mm_percpu_wq: flags=0x8 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: vmstat_update pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: vmstat_update workqueue cgroup_pidlist_destroy: flags=0x0 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 pending: cgroup_pidlist_destroy_work_fn workqueue writeback: flags=0x4a pwq 4: cpus=0-1 flags=0x4 nice=0 active=4/256 refcnt=7 pending: wb_workfn, wb_workfn, wb_workfn, wb_workfn workqueue kblockd: flags=0x18 pwq 3: cpus=1 node=0 flags=0x0 nice=-20 active=3/256 refcnt=4 pending: blk_mq_timeout_work, blk_mq_timeout_work, blk_mq_timeout_work pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 pending: blk_mq_timeout_work workqueue dm_bufio_cache: flags=0x8 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: work_fn workqueue ipv6_addrconf: flags=0x40008 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 pending: addrconf_verify_work workqueue krxrpcd: flags=0x0 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=5 pending: rxrpc_peer_keepalive_worker delayed: rxrpc_peer_keepalive_worker, rxrpc_peer_keepalive_worker, rxrpc_discard_expired_client_conns pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=6 pending: rxrpc_peer_keepalive_worker delayed: rxrpc_peer_keepalive_worker, rxrpc_peer_keepalive_worker, rxrpc_peer_keepalive_worker, rxrpc_discard_expired_client_conns workqueue bat_events: flags=0xe000a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=19 pending: batadv_iv_send_outstanding_bat_ogm_packet delayed: batadv_tt_purge, batadv_tt_purge, batadv_nc_worker, batadv_nc_worker, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, batadv_purge_orig, batadv_iv_send_outstanding_bat_ogm_packet, batadv_mcast_mla_update, batadv_mcast_mla_update, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge workqueue bond0: flags=0xa000a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=4 pending: bond_mii_monitor workqueue bond0: flags=0xa000a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=4 pending: bond_mii_monitor workqueue phy3: flags=0xa0002 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=4 pending: ieee80211_iface_work workqueue phy4: flags=0xa0002 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=4 pending: ieee80211_iface_work workqueue phy6: flags=0xa0002 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=4 pending: ieee80211_iface_work workqueue phy7: flags=0xa0002 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=4 pending: ieee80211_iface_work workqueue phy8: flags=0xa0002 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=4 pending: ieee80211_iface_work workqueue phy9: flags=0xa0002 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=4 pending: ieee80211_iface_work workqueue phy10: flags=0xa0002 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=4 pending: ieee80211_iface_work workqueue phy11: flags=0xa0002 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=4 pending: ieee80211_iface_work workqueue phy12: flags=0xa0002 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=4 pending: ieee80211_iface_work workqueue bond1: flags=0xa000a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=5 pending: bond_mii_monitor delayed: bond_alb_monitor wlan1: No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge) ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 wlan1: No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge) rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 1-...!: (1 GPs behind) idle=7fa/1/0x4000000000000002 softirq=106337/106338 fqs=1 rcu: (t=39529 jiffies g=134545 q=53523) rcu: rcu_preempt kthread starved for 39529 jiffies! g134545 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 rcu: RCU grace-period kthread stack dump: rcu_preempt I29208 10 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_timeout+0x4cf/0xfe0 kernel/time/timer.c:1818 rcu_gp_kthread+0xdad/0x21c0 kernel/rcu/tree.c:2202 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 15343 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:23 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:67 [inline] RIP: 0010:write_comp_data+0xf/0x70 kernel/kcov.c:122 Code: 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 c3 0f 1f 84 00 00 00 00 00 49 89 f1 49 89 fa 65 48 8b 34 25 c0 df 01 00 <65> 8b 05 7a 59 9f 7e a9 00 01 1f 00 75 4f 8b 86 60 13 00 00 83 f8 RSP: 0018:ffff8880ba007c88 EFLAGS: 00000046 RAX: 0000000000000005 RBX: 000000000000007f RCX: ffffffff8154e60e RDX: 000000000000007f RSI: ffff88806ef5e0c0 RDI: 0000000000000007 RBP: 0000000000000000 R08: 0098976e46b67314 R09: 0000000000000000 R10: 0000000000000007 R11: ffffffff8c66501b R12: 0000000000000000 R13: 0098976de6d51eb8 R14: 0000000000000007 R15: 001dcd6500000000 FS: 00007f7aaeb97700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e0a18b1740 CR3: 0000000092ab8000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ntp_offset_chunk kernel/time/ntp.c:212 [inline] second_overflow+0xbe/0x400 kernel/time/ntp.c:467 accumulate_nsecs_to_secs kernel/time/timekeeping.c:1985 [inline] logarithmic_accumulation kernel/time/timekeeping.c:2029 [inline] timekeeping_advance+0x27c/0x9b0 kernel/time/timekeeping.c:2097 tick_do_update_jiffies64.part.0+0x188/0x290 kernel/time/tick-sched.c:101 tick_do_update_jiffies64 kernel/time/tick-sched.c:67 [inline] tick_sched_do_timer kernel/time/tick-sched.c:139 [inline] tick_sched_timer+0x220/0x290 kernel/time/tick-sched.c:1271 __run_hrtimer kernel/time/hrtimer.c:1465 [inline] __hrtimer_run_queues+0x3f6/0xe60 kernel/time/hrtimer.c:1527 hrtimer_interrupt+0x326/0x9e0 kernel/time/hrtimer.c:1585 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1071 [inline] smp_apic_timer_interrupt+0x10c/0x550 arch/x86/kernel/apic/apic.c:1096 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:generic_exec_single+0x317/0x490 kernel/smp.c:154 Code: 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 5a 01 00 00 48 83 3d 61 04 99 08 00 0f 84 db 00 00 00 e8 3e 07 0a 00 48 89 df 57 9d <0f> 1f 44 00 00 45 31 e4 e9 39 fe ff ff e8 27 07 0a 00 0f 0b e9 3a RSP: 0018:ffff8880a246f9e8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000040000 RBX: 0000000000000246 RCX: ffffc90008c3c000 RDX: 0000000000040000 RSI: ffffffff81587e32 RDI: 0000000000000246 RBP: 0000000000000200 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a246fa60 R13: ffff8880a246fb28 R14: ffffffff8388f960 R15: 0000000000000010 smp_call_function_single+0x1cf/0x420 kernel/smp.c:299 wrmsr_safe_on_cpu+0x9f/0x100 arch/x86/lib/msr-smp.c:204 msr_write+0x10c/0x1b0 arch/x86/kernel/msr.c:95 do_loop_readv_writev fs/read_write.c:704 [inline] do_loop_readv_writev fs/read_write.c:688 [inline] do_iter_write+0x461/0x5d0 fs/read_write.c:962 vfs_writev+0x153/0x2e0 fs/read_write.c:1005 do_pwritev fs/read_write.c:1094 [inline] __do_sys_pwritev fs/read_write.c:1141 [inline] __se_sys_pwritev fs/read_write.c:1136 [inline] __x64_sys_pwritev+0x22b/0x310 fs/read_write.c:1136 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f7ab02220e9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7aaeb97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000128 RAX: ffffffffffffffda RBX: 00007f7ab0334f60 RCX: 00007f7ab02220e9 RDX: 0000000000000002 RSI: 0000000020000100 RDI: 0000000000000004 RBP: 00007f7ab027c08d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000010 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe4f107c2f R14: 00007f7aaeb97300 R15: 0000000000022000 NMI backtrace for cpu 1 CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline] rcu_dump_cpu_stacks+0x15f/0x19c kernel/rcu/tree.c:1340 print_cpu_stall kernel/rcu/tree.c:1478 [inline] check_cpu_stall kernel/rcu/tree.c:1550 [inline] __rcu_pending kernel/rcu/tree.c:3293 [inline] rcu_pending kernel/rcu/tree.c:3336 [inline] rcu_check_callbacks.cold+0x62d/0xe19 kernel/rcu/tree.c:2682 update_process_times+0x2a/0x70 kernel/time/timer.c:1650 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:168 tick_sched_timer+0xfc/0x290 kernel/time/tick-sched.c:1278 __run_hrtimer kernel/time/hrtimer.c:1465 [inline] __hrtimer_run_queues+0x3f6/0xe60 kernel/time/hrtimer.c:1527 hrtimer_interrupt+0x326/0x9e0 kernel/time/hrtimer.c:1585 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1071 [inline] smp_apic_timer_interrupt+0x10c/0x550 arch/x86/kernel/apic/apic.c:1096 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xa3/0xe0 kernel/locking/spinlock.c:184 Code: 48 c7 c0 88 82 f1 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 2f 48 83 3d 7c 31 d8 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00 eb b2 e8 fb eb e6 f8 eb c0 0f 0b 0f 0b 48 c7 c7 88 RSP: 0018:ffff8880b5acfd50 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3051 RBX: 0000000000000286 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000286 RBP: ffff8880ba124cc0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffff88809e1545c0 R15: dffffc0000000000 hrtimer_start include/linux/hrtimer.h:398 [inline] tasklet_hrtimer_start include/linux/interrupt.h:641 [inline] mac80211_hwsim_beacon+0x14b/0x190 drivers/net/wireless/mac80211_hwsim.c:1627 __tasklet_hrtimer_trampoline+0x29/0xa0 kernel/softirq.c:601 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __do_softirq+0x265/0x980 kernel/softirq.c:292 run_ksoftirqd+0x57/0x110 kernel/softirq.c:653 smpboot_thread_fn+0x655/0x9e0 kernel/smpboot.c:164 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 ---------------- Code disassembly (best guess): 0: 48 c7 c0 98 82 f1 89 mov $0xffffffff89f18298,%rax 7: 48 c1 e8 03 shr $0x3,%rax b: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1) f: 0f 85 0c 01 00 00 jne 0x121 15: 48 83 3d 53 59 ae 08 cmpq $0x0,0x8ae5953(%rip) # 0x8ae5970 1c: 00 1d: 0f 84 9a 00 00 00 je 0xbd 23: fb sti 24: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1) * 2a: e9 b5 fd ff ff jmpq 0xfffffde4 <-- trapping instruction 2f: 0f 0b ud2 31: 0f 0b ud2 33: e8 e0 7f 24 00 callq 0x248018 38: 48 c7 c0 98 82 f1 89 mov $0xffffffff89f18298,%rax 3f: 48 rex.W