BUG: unable to handle page fault for address: 000001bc1812f0ee #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 0 P4D 0 Oops: 0002 [#1] PREEMPT SMP KASAN CPU: 1 PID: 29065 Comm: syz-executor.2 Not tainted 5.9.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:update_pvclock_gtod arch/x86/kvm/x86.c:1743 [inline] RIP: 0010:pvclock_gtod_notify+0x115/0x570 arch/x86/kvm/x86.c:7449 Code: 7b 10 48 89 fa 48 c1 ea 03 89 05 56 1a df 0a 48 b8 00 00 00 00 00 fc ff df 80 3c 02 00 0f 85 23 04 00 00 48 8b 43 10 48 8d 00 <00> 00 00 fa 48 c1 ea 03 48 89 05 34 1a df 0a 48 b8 00 00 00 00 00 RSP: 0018:ffffc90000da8be8 EFLAGS: 00010046 RAX: 000001bc1812f0ee RBX: ffffffff8c973980 RCX: ffffffff815a14fb RDX: 1ffffffff192e732 RSI: 0000000000000001 RDI: ffffffff8c973990 RBP: ffffffff89b35820 R08: 0000000000000000 R09: ffffffff8c5f3a1f R10: fffffbfff18be743 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff89ae98e0 FS: 00007f5c70d5b700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000001bc1812f0ee CR3: 000000009ab66000 CR4: 00000000001526e0 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:__sanitizer_cov_trace_pc+0x30/0x60 kernel/kcov.c:197 Code: fe 01 00 65 8b 05 60 bf 8d 7e a9 00 01 ff 00 48 8b 34 24 74 0f f6 c4 01 74 35 8b 82 24 14 00 00 85 c0 74 2b 8b 82 00 14 00 00 <83> f8 02 75 20 48 8b 8a 08 14 00 00 8b 92 04 14 00 00 48 8b 01 48 RSP: 0018:ffffc90008d1f990 EFLAGS: 00000246 RAX: 0000000000000002 RBX: 0000000000000001 RCX: ffffffff83f15902 RDX: ffff8880943142c0 RSI: ffffffff83f1590f RDI: 0000000000000005 RBP: 1ffff920011a3f42 R08: 0000000000000001 R09: ffff888094314ba0 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000047 R13: 0000000000000000 R14: 0000000000000048 R15: ffff8880aa1ff000 vc_uniscr_scroll drivers/tty/vt/vt.c:433 [inline] con_scroll+0xdf/0x6d0 drivers/tty/vt/vt.c:628 lf+0x26b/0x2c0 drivers/tty/vt/vt.c:1489 vc_con_write_normal drivers/tty/vt/vt.c:2805 [inline] do_con_write+0xedd/0x1d70 drivers/tty/vt/vt.c:2909 con_write+0x22/0xb0 drivers/tty/vt/vt.c:3249 process_output_block drivers/tty/n_tty.c:595 [inline] n_tty_write+0x3ce/0xf80 drivers/tty/n_tty.c:2333 do_tty_write drivers/tty/tty_io.c:962 [inline] tty_write+0x4d9/0x870 drivers/tty/tty_io.c:1046 vfs_write+0x2b0/0x730 fs/read_write.c:576 ksys_write+0x12d/0x250 fs/read_write.c:631 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45d579 Code: 5d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f5c70d5ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00000000000387c0 RCX: 000000000045d579 RDX: 0000000000001006 RSI: 00000000200002c0 RDI: 0000000000000006 RBP: 000000000118cf80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c R13: 000000000169fb6f R14: 00007f5c70d5b9c0 R15: 000000000118cf4c Modules linked in: CR2: 000001bc1812f0ee ---[ end trace 06f8805a209b221e ]--- RIP: 0010:update_pvclock_gtod arch/x86/kvm/x86.c:1743 [inline] RIP: 0010:pvclock_gtod_notify+0x115/0x570 arch/x86/kvm/x86.c:7449 Code: 7b 10 48 89 fa 48 c1 ea 03 89 05 56 1a df 0a 48 b8 00 00 00 00 00 fc ff df 80 3c 02 00 0f 85 23 04 00 00 48 8b 43 10 48 8d 00 <00> 00 00 fa 48 c1 ea 03 48 89 05 34 1a df 0a 48 b8 00 00 00 00 00 RSP: 0018:ffffc90000da8be8 EFLAGS: 00010046 RAX: 000001bc1812f0ee RBX: ffffffff8c973980 RCX: ffffffff815a14fb RDX: 1ffffffff192e732 RSI: 0000000000000001 RDI: ffffffff8c973990 RBP: ffffffff89b35820 R08: 0000000000000000 R09: ffffffff8c5f3a1f R10: fffffbfff18be743 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff89ae98e0 FS: 00007f5c70d5b700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000001bc1812f0ee CR3: 000000009ab66000 CR4: 00000000001526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400