general protection fault, probably for non-canonical address 0x1ffffffff170797e: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 6910 Comm: syz-executor.2 Not tainted 5.9.0-rc5-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+0x122/0x490 arch/x86/kvm/x86.c:7452 Code: c1 e8 03 42 80 3c 20 00 74 05 e8 d9 72 a7 00 49 8b 47 10 48 89 05 f6 e8 ca 09 49 8d 7f 08 48 89 f8 48 c1 e8 03 42 80 3c 00 00 <00> 00 e8 b7 72 a7 00 49 8b 47 08 48 89 05 dc e8 ca 09 49 8d 7f 18 RSP: 0018:ffffc90000da8c50 EFLAGS: 00010046 RAX: 1ffffffff170797e RBX: ffffffff894cc67c RCX: ffffffff815adc44 RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffffffff8b83cbf0 RBP: ffffffff894bd1a8 R08: dffffc0000000000 R09: fffffbfff167d6a0 R10: fffffbfff167d6a0 R11: 0000000000000000 R12: dffffc0000000000 R13: 00000000ffffffff R14: ffffffff814f7157 R15: ffffffff8b83cbe8 FS: 0000000002327940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000000 CR3: 000000006ed42000 CR4: 00000000001526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: notifier_call_chain kernel/notifier.c:83 [inline] __raw_notifier_call_chain kernel/notifier.c:361 [inline] raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:368 update_pvclock_gtod kernel/time/timekeeping.c:581 [inline] timekeeping_update+0x281/0x3f0 kernel/time/timekeeping.c:675 timekeeping_advance+0x830/0xa00 kernel/time/timekeeping.c:2122 tick_sched_do_timer kernel/time/tick-sched.c:147 [inline] tick_sched_timer+0xba/0x410 kernel/time/tick-sched.c:1321 __run_hrtimer kernel/time/hrtimer.c:1524 [inline] __hrtimer_run_queues+0x42d/0x930 kernel/time/hrtimer.c:1588 hrtimer_interrupt+0x373/0xd60 kernel/time/hrtimer.c:1650 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1080 [inline] __sysvec_apic_timer_interrupt+0xf0/0x260 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+0x94/0xf0 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:581 RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x60 kernel/kcov.c:196 Code: 00 00 0f 0b 66 90 53 48 89 fb e8 17 00 00 00 48 8b 3d f8 0a 1a 08 48 89 de 5b e9 77 5a 3f 00 cc cc cc cc cc cc cc 48 8b 04 24 <65> 48 8b 0c 25 00 fe 01 00 65 8b 15 28 f0 8c 7e f7 c2 00 01 ff 00 RSP: 0018:ffffc9000721f998 EFLAGS: 00000213 RAX: ffffffff81a525d6 RBX: dead000000000100 RCX: ffffffff81a524b9 RDX: ffff88806ed50580 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000721fb88 R08: ffffffff81a525b5 R09: fffff94000388ddf R10: fffff94000388ddf R11: 0000000000000000 R12: ffffea0001c46ec0 R13: dffffc0000000000 R14: 0000000000000010 R15: 00fffe0000000000 PageSwapBacked include/linux/page-flags.h:348 [inline] mm_counter_file include/linux/mm.h:1902 [inline] mm_counter include/linux/mm.h:1911 [inline] copy_one_pte mm/memory.c:807 [inline] copy_pte_range mm/memory.c:854 [inline] copy_pmd_range mm/memory.c:905 [inline] copy_pud_range mm/memory.c:939 [inline] copy_p4d_range mm/memory.c:961 [inline] copy_page_range+0x1526/0x2950 mm/memory.c:1023 dup_mmap+0x982/0xd60 kernel/fork.c:592 dup_mm+0x98/0x320 kernel/fork.c:1354 copy_mm kernel/fork.c:1410 [inline] copy_process+0x1fdc/0x5200 kernel/fork.c:2069 _do_fork+0x1ab/0x6d0 kernel/fork.c:2428 __do_sys_clone kernel/fork.c:2545 [inline] __se_sys_clone kernel/fork.c:2529 [inline] __x64_sys_clone+0x1e9/0x230 kernel/fork.c:2529 do_syscall_64+0x31/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45bbca Code: f7 d8 64 89 04 25 d4 02 00 00 64 4c 8b 0c 25 10 00 00 00 31 d2 4d 8d 91 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 f5 00 00 00 85 c0 41 89 c5 0f 85 fc 00 00 RSP: 002b:00007ffcfd801970 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007ffcfd801970 RCX: 000000000045bbca RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007ffcfd8019b0 R08: 0000000000000001 R09: 0000000002327940 R10: 0000000002327c10 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffcfd801a00 Modules linked in: ---[ end trace c20f14a54f01e97a ]--- RIP: 0010:update_pvclock_gtod arch/x86/kvm/x86.c:1743 [inline] RIP: 0010:pvclock_gtod_notify+0x122/0x490 arch/x86/kvm/x86.c:7452 Code: c1 e8 03 42 80 3c 20 00 74 05 e8 d9 72 a7 00 49 8b 47 10 48 89 05 f6 e8 ca 09 49 8d 7f 08 48 89 f8 48 c1 e8 03 42 80 3c 00 00 <00> 00 e8 b7 72 a7 00 49 8b 47 08 48 89 05 dc e8 ca 09 49 8d 7f 18 RSP: 0018:ffffc90000da8c50 EFLAGS: 00010046 RAX: 1ffffffff170797e RBX: ffffffff894cc67c RCX: ffffffff815adc44 RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffffffff8b83cbf0 RBP: ffffffff894bd1a8 R08: dffffc0000000000 R09: fffffbfff167d6a0 R10: fffffbfff167d6a0 R11: 0000000000000000 R12: dffffc0000000000 R13: 00000000ffffffff R14: ffffffff814f7157 R15: ffffffff8b83cbe8 FS: 0000000002327940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000000 CR3: 000000006ed42000 CR4: 00000000001526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400