------------[ cut here ]------------
WARNING: CPU: 0 PID: 16511 at kernel/events/core.c:2045 perf_group_attach+0x396/0x450 kernel/events/core.c:2045
Modules linked in:
CPU: 0 PID: 16511 Comm: syz-executor.0 Not tainted 5.10.109 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:perf_group_attach+0x396/0x450 kernel/events/core.c:2045
Code: 48 c1 e8 03 42 80 3c 20 00 75 5f 48 8b 5b 10 48 83 eb 10 48 39 dd 75 d4 5b 5d 41 5c 41 5d 41 5e e9 8f e5 f2 ff e8 8a e5 f2 ff <0f> 0b e9 b1 fd ff ff 48 c7 c7 bc 50 47 85 e8 67 3e 1e 00 e9 b9 fc
RSP: 0018:ffff88804fb27cb0 EFLAGS: 00010012
RAX: 00000000000012b4 RBX: ffff88804230d000 RCX: ffffc900015f6000
RDX: 0000000000040000 RSI: ffffffff814cc986 RDI: ffff88804230d218
RBP: ffff88804f3ad000 R08: 0000000000000001 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800d221800
R13: 0000000000000000 R14: ffff88800d222408 R15: 0000000000000000
FS:  00007f5016703700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8aa539c3a4 CR3: 0000000047d80000 CR4: 0000000000350ef0
Call Trace:
 add_event_to_ctx kernel/events/core.c:2688 [inline]
 perf_install_in_context+0x44d/0x550 kernel/events/core.c:2963
 __do_sys_perf_event_open+0x1cee/0x2d00 kernel/events/core.c:12134
 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f50191aeb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5016703188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f50192c2020 RCX: 00007f50191aeb19
RDX: 0000000000000000 RSI: 00000000000004a1 RDI: 0000000020000000
RBP: 00007f5019208f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff2c3568cf R14: 00007f5016703300 R15: 0000000000022000
irq event stamp: 216
hardirqs last  enabled at (215): [<ffffffff810ffbdd>] __send_ipi_mask+0x2fd/0x3c0 arch/x86/kernel/kvm.c:555
hardirqs last disabled at (216): [<ffffffff83deba4e>] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:126 [inline]
hardirqs last disabled at (216): [<ffffffff83deba4e>] _raw_spin_lock_irq+0x3e/0x40 kernel/locking/spinlock.c:167
softirqs last  enabled at (0): [<ffffffff81136340>] copy_process+0x15e0/0x66f0 kernel/fork.c:2054
softirqs last disabled at (0): [<0000000000000000>] 0x0
---[ end trace 88874e445257e0a0 ]---

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