general protection fault, probably for non-canonical address 0x1ffffffff1707d7e: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 4387 Comm: syz-executor.5 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 08 cb 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 08 cb 09 49 8d 7f 18 RSP: 0018:ffffc90000da8c50 EFLAGS: 00010046 RAX: 1ffffffff1707d7e RBX: ffffffff894cc67c RCX: ffffffff815adc44 RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffffffff8b83ebf0 RBP: ffffffff894bd1a8 R08: dffffc0000000000 R09: fffffbfff167daa0 R10: fffffbfff167daa0 R11: 0000000000000000 R12: dffffc0000000000 R13: 00000000ffffffff R14: ffffffff814f7157 R15: ffffffff8b83ebe8 FS: 0000000002ae1940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000052c658 CR3: 000000008c941000 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:arch_local_irq_restore arch/x86/include/asm/paravirt.h:770 [inline] RIP: 0010:lock_acquire+0x195/0x6f0 kernel/locking/lockdep.c:5009 Code: c1 e8 03 80 3c 18 00 74 0c 48 c7 c7 b8 17 4d 89 e8 90 db 5a 00 48 83 3d 80 1e f3 07 00 0f 84 fc 04 00 00 48 8b 7c 24 08 57 9d <0f> 1f 44 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 48 0f 85 d3 RSP: 0018:ffffc90005667b08 EFLAGS: 00000282 RAX: 1ffffffff129a2f7 RBX: dffffc0000000000 RCX: bb0b0bdfb2356b30 RDX: dffffc0000000000 RSI: ffff88809340cc78 RDI: 0000000000000282 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff167da99 R10: fffffbfff167da99 R11: 0000000000000000 R12: ffff88809340cc24 R13: 0000000000000000 R14: ffffffff894fe510 R15: 1ffff11012681984 rcu_lock_acquire+0x2a/0x30 include/linux/rcupdate.h:241 rcu_read_lock include/linux/rcupdate.h:634 [inline] ext4_get_group_desc+0xe2/0x420 fs/ext4/balloc.c:284 recently_deleted fs/ext4/ialloc.c:678 [inline] find_inode_bit+0x28a/0x660 fs/ext4/ialloc.c:724 __ext4_new_inode+0xfc8/0x5180 fs/ext4/ialloc.c:927 ext4_symlink+0x4f6/0xef0 fs/ext4/namei.c:3315 vfs_symlink+0x36f/0x500 fs/namei.c:3959 do_symlinkat+0x18b/0x420 fs/namei.c:3986 do_syscall_64+0x31/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45d327 Code: 0f 1f 00 b8 5c 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 1d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 58 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 fd b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffd0fb1cbd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000045d327 RDX: 00007ffd0fb1cc73 RSI: 00000000004c311a RDI: 00007ffd0fb1cc60 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000013 R10: 0000000000000075 R11: 0000000000000206 R12: 0000000000000001 R13: 00007ffd0fb1cc10 R14: 0000000000000000 R15: 00007ffd0fb1cc20 Modules linked in: ---[ end trace c5b882fbfad84546 ]--- 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 08 cb 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 08 cb 09 49 8d 7f 18 RSP: 0018:ffffc90000da8c50 EFLAGS: 00010046 RAX: 1ffffffff1707d7e RBX: ffffffff894cc67c RCX: ffffffff815adc44 RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffffffff8b83ebf0 RBP: ffffffff894bd1a8 R08: dffffc0000000000 R09: fffffbfff167daa0 R10: fffffbfff167daa0 R11: 0000000000000000 R12: dffffc0000000000 R13: 00000000ffffffff R14: ffffffff814f7157 R15: ffffffff8b83ebe8 FS: 0000000002ae1940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000052c658 CR3: 000000008c941000 CR4: 00000000001526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400