general protection fault, probably for non-canonical address 0x1ffffffff135a814: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 26 Comm: kworker/u4:2 Not tainted 5.8.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: wg-kex-wg1 wg_packet_handshake_send_worker
RIP: 0010:pvclock_gtod_notify+0x0/0x4d0 arch/x86/kvm/x86.c:7405
Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
RSP: 0018:ffffc90000007bf8 EFLAGS: 00010046
RAX: 1ffffffff135a814 RBX: 00000000ffffffff RCX: ffffffff814e18bb
RDX: ffffffff8c9189c0 RSI: 0000000000000000 RDI: ffffffff89ad40a0
RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8c598a27
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff89ad40a0
FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000006d80a0 CR3: 00000000a80f1000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 update_pvclock_gtod kernel/time/timekeeping.c:578 [inline]
 timekeeping_update+0x28a/0x4a0 kernel/time/timekeeping.c:672
 timekeeping_advance+0x663/0x9a0 kernel/time/timekeeping.c:2119
 tick_do_update_jiffies64.part.0+0x183/0x290 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+0x22c/0x290 kernel/time/tick-sched.c:1313
 __run_hrtimer kernel/time/hrtimer.c:1520 [inline]
 __hrtimer_run_queues+0x1d5/0xfc0 kernel/time/hrtimer.c:1584
 hrtimer_interrupt+0x32a/0x930 kernel/time/hrtimer.c:1646
 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:711
 </IRQ>
 __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+0xe0/0x120 arch/x86/kernel/apic/apic.c:1091
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:587
RIP: 0010:memcpy_erms+0x8/0x10 arch/x86/lib/memcpy_64.S:59
Code: cc cc eb 1e 0f 1f 00 48 89 f8 48 89 d1 48 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 c3 66 0f 1f 44 00 00 48 89 f8 48 89 d1 f3 a4 <c3> 0f 1f 80 00 00 00 00 48 89 f8 48 83 fa 20 72 7e 40 38 fe 7c 35
RSP: 0018:ffffc90000e26f28 EFLAGS: 00000202
RAX: ffffc90000e27170 RBX: 0005dd3a54109b69 RCX: 0000000000000000
RDX: 0000000000000028 RSI: ffffc90000e273e0 RDI: ffffc90000e27198
RBP: ffffc90000e27510 R08: 0000000000000001 R09: ffffc90000e27197
R10: fffff520001c4e32 R11: 00078d4fc93a4718 R12: 000633a6f6dac64f
R13: 0002ac2743bd93ce R14: 0007ffffffffffff R15: 0002b38443dee238
 memcpy include/linux/string.h:406 [inline]
 fdifference lib/crypto/curve25519-hacl64.c:359 [inline]
 addanddouble_fmonty lib/crypto/curve25519-hacl64.c:536 [inline]
 ladder_smallloop_cmult_small_loop_step lib/crypto/curve25519-hacl64.c:552 [inline]
 ladder_smallloop_cmult_small_loop_double_step lib/crypto/curve25519-hacl64.c:564 [inline]
 ladder_smallloop_cmult_small_loop lib/crypto/curve25519-hacl64.c:572 [inline]
 ladder_bigloop_cmult_big_loop lib/crypto/curve25519-hacl64.c:585 [inline]
 ladder_cmult.constprop.0+0x411f/0x4c20 lib/crypto/curve25519-hacl64.c:599
 curve25519_generic+0x2a4/0x5550 lib/crypto/curve25519-hacl64.c:781
 curve25519_arch+0x1f7/0x230 arch/x86/crypto/curve25519-x86_64.c:1391
Modules linked in:
---[ end trace 27183b694dc5c58b ]---
RIP: 0010:pvclock_gtod_notify+0x0/0x4d0 arch/x86/kvm/x86.c:7405
Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
RSP: 0018:ffffc90000007bf8 EFLAGS: 00010046
RAX: 1ffffffff135a814 RBX: 00000000ffffffff RCX: ffffffff814e18bb
RDX: ffffffff8c9189c0 RSI: 0000000000000000 RDI: ffffffff89ad40a0
RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8c598a27
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff89ad40a0
FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000006d80a0 CR3: 00000000a80f1000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400