general protection fault in perf_misc

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-4.19	general protection fault in perf_misc_flags				1	1471d	1471d	0/1	auto-closed as invalid on 2020/08/14 14:40
upstream	general protection fault in perf_misc_flags perf				7	1307d	1315d	0/26	closed as invalid on 2020/10/01 13:54

kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 24016 Comm: syz-executor.3 Not tainted 4.19.143-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:perf_misc_flags+0xe4/0x1a8 arch/x86/events/core.c:2548 Code: 00 48 8d bd 90 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 95 00 00 00 48 8b ad 00 00 00 00 <00> 00 00 00 08 48 89 ee e8 5f 42 68 00 48 85 ed 74 08 e8 c5 40 68 RSP: 0018:ffff8880ae607950 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffff810170ba RDX: 1ffff1100912ef3f RSI: ffffffff810170cb RDI: ffff8880489779f8 RBP: ffff888045608c40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000007 R11: ffffffff8ad3801b R12: ffffffff8b922540 R13: ffff8880ae607a64 R14: ffff88804e9ba240 R15: ffff8880ae607a60 FS: 00007f877e93a700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000004341d000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 00000000cb5e8b80 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: <IRQ> perf_prepare_sample+0x173/0x1620 kernel/events/core.c:6464 __perf_event_output kernel/events/core.c:6590 [inline] perf_event_output_forward+0xf3/0x270 kernel/events/core.c:6608 __perf_event_overflow+0x13c/0x370 kernel/events/core.c:7881 perf_swevent_hrtimer+0x272/0x3e0 kernel/events/core.c:9237 __run_hrtimer kernel/time/hrtimer.c:1401 [inline] __hrtimer_run_queues+0x3f6/0xe60 kernel/time/hrtimer.c:1463 hrtimer_interrupt+0x32a/0x930 kernel/time/hrtimer.c:1521 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1067 [inline] smp_apic_timer_interrupt+0x10c/0x550 arch/x86/kernel/apic/apic.c:1092 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 </IRQ> RIP: 0010:vcpu_enter_guest arch/x86/kvm/x86.c:7803 [inline] RIP: 0010:vcpu_run arch/x86/kvm/x86.c:7885 [inline] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x2615/0x6ec0 arch/x86/kvm/x86.c:8085 Code: 88 48 c1 e8 03 42 80 3c 28 00 0f 85 98 48 00 00 48 83 3d 35 cd c4 07 00 0f 84 af 34 00 00 e8 a2 23 5c 00 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 51 12 3a 00 65 8b 1d 8a 5f f4 7e 31 ff 89 de e8 RSP: 0018:ffff888048977a10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000040000 RBX: ffff88804a5e45c0 RCX: ffffc9000c1e1000 RDX: 0000000000040000 RSI: ffffffff810d8e2e RDI: ffff88804a5e4e44 RBP: ffff888048977bb0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: ffff888045608c6c R15: ffff888045608c40 kvm_vcpu_ioctl+0x493/0xe10 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2822 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45d5b9 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:00007f877e939c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000011880 RCX: 000000000045d5b9 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 RBP: 000000000118cf80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c R13: 00007ffecf6cfc4f R14: 00007f877e93a9c0 R15: 000000000118cf4c Modules linked in: ---[ end trace cf224b6fc79d6c81 ]--- BUG: unable to handle kernel paging request at ffffffff0a109993 RIP: 0010:perf_misc_flags+0xe4/0x1a8 arch/x86/events/core.c:2548 PGD 8c70067 Code: 00 48 8d bd 90 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 95 00 00 00 48 8b ad 00 00 00 00 <00> 00 00 00 08 48 89 ee e8 5f 42 68 00 48 85 ed 74 08 e8 c5 40 68 P4D 8c70067 RSP: 0018:ffff8880ae607950 EFLAGS: 00010046 PUD 0 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffff810170ba Oops: 0002 [#2] PREEMPT SMP KASAN RDX: 1ffff1100912ef3f RSI: ffffffff810170cb RDI: ffff8880489779f8 CPU: 1 PID: 6499 Comm: syz-executor.3 Tainted: G D 4.19.143-syzkaller #0 RBP: ffff888045608c40 R08: 0000000000000000 R09: 0000000000000000 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 R10: 0000000000000007 R11: ffffffff8ad3801b R12: ffffffff8b922540 RIP: 0010:syscall_return_slowpath arch/x86/entry/common.c:267 [inline] RIP: 0010:do_syscall_64+0x1a7/0x620 arch/x86/entry/common.c:296 R13: ffff8880ae607a64 R14: ffff88804e9ba240 R15: ffff8880ae607a60 Code: 1f 44 00 00 25 00 02 00 00 31 ff 48 89 c3 48 89 c6 e8 cd 19 69 00 48 85 db 0f 84 00 03 00 00 e8 2f 18 69 00 00 00 00 00 00 00 <00> 91 00 00 10 89 de e8 8d 19 69 00 85 db 0f 85 58 03 00 00 e8 10 FS: 00007f877e93a700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 RSP: 0018:ffff8880828b7f28 EFLAGS: 00010286 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000004341d000 CR4: 00000000001426f0 RAX: ffff8880828ae140 RBX: 0000000000000200 RCX: ffffffff81009993 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff810099a1 RDI: 0000000000000007 DR3: 00000000cb5e8b80 DR6: 00000000ffff0ff0 DR7: 0000000000000400 RBP: ffff8880828b7f58 R08: 0000000000000000 R09: 0000000000000000