------------[ cut here ]------------
WARNING: CPU: 0 PID: 7766 at kernel/events/core.c:1978 perf_group_attach+0x396/0x450 kernel/events/core.c:1978
Modules linked in:
CPU: 0 PID: 7766 Comm: syz-executor.1 Not tainted 5.10.79 #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:1978
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 9f ef f2 ff e8 9a ef f2 ff <0f> 0b e9 b1 fd ff ff 48 c7 c7 3c 2d 47 85 e8 17 33 1e 00 e9 b9 fc
RSP: 0018:ffff88806ce09ef0 EFLAGS: 00010046
RAX: 0000000080010003 RBX: ffff88804381e000 RCX: ffffffff814ca29f
RDX: ffff88801a876500 RSI: ffffffff814ca566 RDI: ffff88804381e220
RBP: ffff888016c23000 R08: 0000000000000001 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88804dc01400
R13: 0000000000000000 R14: 0000000000000000 R15: ffff88806ce37748
FS: 0000555557200400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002071b000 CR3: 00000000454ce000 CR4: 0000000000350ef0
Call Trace:
add_event_to_ctx kernel/events/core.c:2673 [inline]
__perf_install_in_context+0x246/0x2d0 kernel/events/core.c:2824
remote_function kernel/events/core.c:88 [inline]
remote_function+0x11d/0x1a0 kernel/events/core.c:68
flush_smp_call_function_queue+0x1b4/0x5d0 kernel/smp.c:395
__sysvec_call_function_single+0x92/0x370 arch/x86/kernel/smp.c:248
asm_call_irq_on_stack+0x12/0x20
__run_sysvec_on_irqstack arch/x86/include/asm/irq_stack.h:37 [inline]
run_sysvec_on_irqstack_cond arch/x86/include/asm/irq_stack.h:89 [inline]
sysvec_call_function_single+0x7f/0xa0 arch/x86/kernel/smp.c:243
asm_sysvec_call_function_single+0x12/0x20 arch/x86/include/asm/idtentry.h:643
RIP: 0010:_raw_spin_unlock_irq+0x27/0x30 kernel/locking/spinlock.c:200
Code: 44 00 00 55 48 8b 74 24 08 48 89 fd 48 8d 7f 18 e8 be b4 48 fd 48 89 ef e8 a6 6b 49 fd e8 61 e5 67 fd fb 65 ff 0d e9 ff 23 7c <5d> c3 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 c7 18 53 48 89 f3 48
RSP: 0018:ffff88804e3078a8 EFLAGS: 00000282
RAX: 0000000000000f63 RBX: ffff88801a876500 RCX: 1ffffffff0a8dd29
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff83ddef4f
RBP: ffff88806ce33200 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88806ce33200
R13: ffff888045554bc0 R14: 0000000000000000 R15: 0000000000000001
finish_lock_switch kernel/sched/core.c:3526 [inline]
finish_task_switch+0x126/0x5d0 kernel/sched/core.c:3626
context_switch kernel/sched/core.c:3790 [inline]
__schedule+0x850/0x1e80 kernel/sched/core.c:4536
schedule+0xcb/0x270 kernel/sched/core.c:4614
freezable_schedule include/linux/freezer.h:172 [inline]
futex_wait_queue_me+0x2a7/0x570 kernel/futex.c:2607
futex_wait+0x1df/0x5d0 kernel/futex.c:2709
do_futex+0xf86/0x1a50 kernel/futex.c:3735
__do_sys_futex+0x2bb/0x480 kernel/futex.c:3798
do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f28db318b19
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:00007ffea97a3528 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000032 RCX: 00007f28db318b19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f28db42c02c
RBP: 00007f28db42c02c R08: 00007ffea97a7090 R09: 0000000000000000
R10: 00007ffea97a3600 R11: 0000000000000246 R12: 0000000000127147
R13: 00000000000003e8 R14: 00007f28db42bf60 R15: 000000000012700c
irq event stamp: 3940
hardirqs last enabled at (3939): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline]
hardirqs last enabled at (3939): [] _raw_spin_unlock_irq+0x1f/0x30 kernel/locking/spinlock.c:199
hardirqs last disabled at (3940): [] sysvec_call_function_single+0xb/0xa0 arch/x86/kernel/smp.c:243
softirqs last enabled at (3730): [] read_pnet include/net/net_namespace.h:337 [inline]
softirqs last enabled at (3730): [] sock_net include/net/sock.h:2552 [inline]
softirqs last enabled at (3730): [] netlink_release+0xd78/0x1d30 net/netlink/af_netlink.c:805
softirqs last disabled at (3728): [] netlink_release+0xd3c/0x1d30 net/netlink/af_netlink.c:786
---[ end trace 28bc310b4ca337df ]---
======================================================
----------------
Code disassembly (best guess):
0: 44 00 00 add %r8b,(%rax)
3: 55 push %rbp
4: 48 8b 74 24 08 mov 0x8(%rsp),%rsi
9: 48 89 fd mov %rdi,%rbp
c: 48 8d 7f 18 lea 0x18(%rdi),%rdi
10: e8 be b4 48 fd callq 0xfd48b4d3
15: 48 89 ef mov %rbp,%rdi
18: e8 a6 6b 49 fd callq 0xfd496bc3
1d: e8 61 e5 67 fd callq 0xfd67e583
22: fb sti
23: 65 ff 0d e9 ff 23 7c decl %gs:0x7c23ffe9(%rip) # 0x7c240013
* 2a: 5d pop %rbp <-- trapping instruction
2b: c3 retq
2c: 0f 1f 80 00 00 00 00 nopl 0x0(%rax)
33: 55 push %rbp
34: 48 89 fd mov %rdi,%rbp
37: 48 83 c7 18 add $0x18,%rdi
3b: 53 push %rbx
3c: 48 89 f3 mov %rsi,%rbx
3f: 48 rex.W