general protection fault, probably for non-canonical address 0x1ffffffff16b3588: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 17299 Comm: syz-executor.5 Not tainted 5.7.0-rc1-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:1676 [inline] RIP: 0010:pvclock_gtod_notify+0x130/0x3e0 arch/x86/kvm/x86.c:7302 Code: 20 48 89 f8 48 c1 e8 03 42 80 3c 20 00 74 05 e8 16 2a a4 00 49 8b 47 20 48 89 05 d3 15 a1 09 49 8d 7f 28 48 89 f8 48 c1 e8 03 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 RSP: 0018:ffffc90000da8c48 EFLAGS: 00010806 RAX: 1ffffffff16b3588 RBX: ffffffff892b6a0c RCX: ffffffff81596a64 RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffffffff8b59ac40 RBP: ffffffff892a7a08 R08: dffffc0000000000 R09: fffffbfff16292a6 R10: fffffbfff16292a6 R11: 0000000000000000 R12: dffffc0000000000 R13: 00000000ffffffff R14: ffffffff814e23c4 R15: ffffffff8b59ac18 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000078c000 CR3: 0000000009279000 CR4: 00000000001406e0 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+0xd4/0x170 kernel/notifier.c:368 update_pvclock_gtod kernel/time/timekeeping.c:578 [inline] timekeeping_update+0x281/0x3f0 kernel/time/timekeeping.c:672 timekeeping_advance+0x7cd/0x960 kernel/time/timekeeping.c:2119 tick_sched_do_timer kernel/time/tick-sched.c:147 [inline] tick_sched_timer+0xba/0x410 kernel/time/tick-sched.c:1313 __run_hrtimer kernel/time/hrtimer.c:1520 [inline] __hrtimer_run_queues+0x42d/0x930 kernel/time/hrtimer.c:1584 hrtimer_interrupt+0x373/0xd60 kernel/time/hrtimer.c:1646 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1113 [inline] smp_apic_timer_interrupt+0x109/0x280 arch/x86/kernel/apic/apic.c:1138 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:759 [inline] RIP: 0010:lock_acquire+0x1c7/0x480 kernel/locking/lockdep.c:4937 Code: c1 e8 03 80 3c 10 00 74 0c 48 c7 c7 b0 b9 2b 89 e8 5e be 58 00 48 83 3d 06 39 d3 07 00 0f 84 8e 02 00 00 48 8b 7c 24 20 57 9d <0f> 1f 44 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 58 0f 85 70 RSP: 0018:ffffc90004ac7698 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff1257736 RBX: 1ffff1100787e1b8 RCX: 179b739d9db8df7c RDX: dffffc0000000000 RSI: ffff88803c3f0df0 RDI: 0000000000000286 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff162929f R10: fffffbfff162929f R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000002 R14: ffff88803c3f0dc4 R15: ffffffff892e85d0 rcu_lock_acquire+0x20/0x30 include/linux/rcupdate.h:208 rcu_read_lock include/linux/rcupdate.h:601 [inline] lock_page_memcg+0x20/0x180 mm/memcontrol.c:1996 page_remove_file_rmap+0xa9/0x6e0 mm/rmap.c:1233 zap_pte_range+0x9f4/0x1c10 mm/memory.c:1092 zap_pmd_range mm/memory.c:1196 [inline] zap_pud_range mm/memory.c:1225 [inline] zap_p4d_range mm/memory.c:1246 [inline] unmap_page_range+0x9a0/0xb00 mm/memory.c:1267 unmap_vmas+0x15d/0x2c0 mm/memory.c:1344 exit_mmap+0x276/0x530 mm/mmap.c:3150 __mmput+0x113/0x350 kernel/fork.c:1085 exit_mm+0x4cd/0x550 kernel/exit.c:479 do_exit+0x56e/0x1f80 kernel/exit.c:782 do_group_exit+0x15e/0x2c0 kernel/exit.c:893 get_signal+0x13cf/0x1d60 kernel/signal.c:2735 do_signal+0x33/0x610 arch/x86/kernel/signal.c:784 exit_to_usermode_loop arch/x86/entry/common.c:161 [inline] prepare_exit_to_usermode+0x32a/0x600 arch/x86/entry/common.c:196 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x45c829 Code: Bad RIP value. RSP: 002b:00007ff942cafcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 000000000078bf08 RCX: 000000000045c829 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000078bf08 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000078bf0c R13: 00007ffd2fe491cf R14: 00007ff942cb09c0 R15: 000000000078bf0c Modules linked in: ---[ end trace 4908cea0d03f2d47 ]--- RIP: 0010:update_pvclock_gtod arch/x86/kvm/x86.c:1676 [inline] RIP: 0010:pvclock_gtod_notify+0x130/0x3e0 arch/x86/kvm/x86.c:7302 Code: 20 48 89 f8 48 c1 e8 03 42 80 3c 20 00 74 05 e8 16 2a a4 00 49 8b 47 20 48 89 05 d3 15 a1 09 49 8d 7f 28 48 89 f8 48 c1 e8 03 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 RSP: 0018:ffffc90000da8c48 EFLAGS: 00010806 RAX: 1ffffffff16b3588 RBX: ffffffff892b6a0c RCX: ffffffff81596a64 RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffffffff8b59ac40 RBP: ffffffff892a7a08 R08: dffffc0000000000 R09: fffffbfff16292a6 R10: fffffbfff16292a6 R11: 0000000000000000 R12: dffffc0000000000 R13: 00000000ffffffff R14: ffffffff814e23c4 R15: ffffffff8b59ac18 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000045c7ff CR3: 0000000009279000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400