BUG: unable to handle page fault for address: fffffc07619a5b30 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 23017 Comm: kworker/u4:7 Not tainted 5.9.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bat_events batadv_nc_worker RIP: 0010:update_pvclock_gtod arch/x86/kvm/x86.c:1741 [inline] RIP: 0010:pvclock_gtod_notify+0xab/0x570 arch/x86/kvm/x86.c:7449 Code: ff 74 24 10 31 f6 41 b8 01 00 00 00 48 c7 c7 a8 20 eb 8b e8 f7 87 4e 00 48 89 da 58 48 b8 00 70 07 70 07 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 65 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b RSP: 0018:ffffc90000007be8 EFLAGS: 00010806 RAX: dffffc0770077000 RBX: ffffffff8c975980 RCX: ffffffff815a184b RDX: 1ffffffff192eb30 RSI: 0000000000000001 RDI: 0000000000000082 RBP: 0000000000010202 R08: 0000000000000000 R09: ffffffff8c5f5a1f R10: fffffbfff18beb43 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff89ae98e0 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffc07619a5b30 CR3: 000000005b31a000 CR4: 00000000001526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 update_pvclock_gtod kernel/time/timekeeping.c:581 [inline] timekeeping_update+0x28a/0x4a0 kernel/time/timekeeping.c:675 timekeeping_advance+0x6ad/0xa40 kernel/time/timekeeping.c:2122 tick_do_update_jiffies64.part.0+0x1ec/0x330 kernel/time/tick-sched.c:101 tick_do_update_jiffies64 kernel/time/tick-sched.c:64 [inline] tick_sched_do_timer kernel/time/tick-sched.c:147 [inline] tick_sched_timer+0x236/0x2a0 kernel/time/tick-sched.c:1321 __run_hrtimer kernel/time/hrtimer.c:1524 [inline] __hrtimer_run_queues+0x1d5/0xfc0 kernel/time/hrtimer.c:1588 hrtimer_interrupt+0x32a/0x930 kernel/time/hrtimer.c:1650 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1080 [inline] __sysvec_apic_timer_interrupt+0x142/0x5e0 arch/x86/kernel/apic/apic.c:1097 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:706 __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline] sysvec_apic_timer_interrupt+0xb2/0xf0 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:581 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:770 [inline] RIP: 0010:lock_acquire+0x27b/0xae0 kernel/locking/lockdep.c:5009 Code: ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 04 07 00 00 48 83 3d e8 cb 5b 08 00 0f 84 5a 05 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 03 44 24 08 48 c7 RSP: 0018:ffffc900074bfb08 EFLAGS: 00000282 RAX: 1ffffffff136c789 RBX: ffff88804f5284c0 RCX: ffffffff815a184b RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000282 RBP: ffff88804b93d258 R08: 0000000000000000 R09: ffffffff8c5f5aaf R10: fffffbfff18beb55 R11: 1ffffffff137b368 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000282 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:175 spin_lock_bh include/linux/spinlock.h:359 [inline] batadv_nc_purge_paths+0xdf/0x3a0 net/batman-adv/network-coding.c:441 batadv_nc_worker+0x868/0xe50 net/batman-adv/network-coding.c:721 process_one_work+0x94c/0x1670 kernel/workqueue.c:2269 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415 kthread+0x3b5/0x4a0 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Modules linked in: CR2: fffffc07619a5b30 ---[ end trace a9f42d66cd58eb37 ]--- RIP: 0010:update_pvclock_gtod arch/x86/kvm/x86.c:1741 [inline] RIP: 0010:pvclock_gtod_notify+0xab/0x570 arch/x86/kvm/x86.c:7449 Code: ff 74 24 10 31 f6 41 b8 01 00 00 00 48 c7 c7 a8 20 eb 8b e8 f7 87 4e 00 48 89 da 58 48 b8 00 70 07 70 07 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 65 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b RSP: 0018:ffffc90000007be8 EFLAGS: 00010806 RAX: dffffc0770077000 RBX: ffffffff8c975980 RCX: ffffffff815a184b RDX: 1ffffffff192eb30 RSI: 0000000000000001 RDI: 0000000000000082 RBP: 0000000000010202 R08: 0000000000000000 R09: ffffffff8c5f5a1f R10: fffffbfff18beb43 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff89ae98e0 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffc07619a5b30 CR3: 000000005b31a000 CR4: 00000000001526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400