------------[ cut here ]------------
WARNING: CPU: 0 PID: 20706 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 0 PID: 20706 Comm: syz.8.5510 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 5d 95 d8 ff 85 db 48 c7 c0 f2 ff ff ff 49 0f 44 c6 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 e0 91 d8 ff <0f> 0b e9 1c ff ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c ea fe
RSP: 0018:ffffc90000007918 EFLAGS: 00010006
RAX: ffffffff81a0b710 RBX: 0000000000000008 RCX: ffff88804a690000
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88804a690007 R09: 1ffff110094d2000
R10: dffffc0000000000 R11: ffffed10094d2001 R12: ffff88804a691788
R13: 00007ffffffff000 R14: ffffc90000007988 R15: 0000000000000005
FS:  00007fe8015ea6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 000000006581a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 bpf_probe_read_user_common kernel/trace/bpf_trace.c:157 [inline]
 ____bpf_probe_read_compat kernel/trace/bpf_trace.c:281 [inline]
 bpf_probe_read_compat+0xdd/0x170 kernel/trace/bpf_trace.c:277
 bpf_prog_35c2aeabad5a7bfe+0x45/0x7b4
 bpf_dispatcher_nop_func include/linux/bpf.h:888 [inline]
 __bpf_prog_run include/linux/filter.h:628 [inline]
 bpf_prog_run include/linux/filter.h:635 [inline]
 bpf_overflow_handler+0x1c2/0x4a0 kernel/events/core.c:10297
 __perf_event_overflow+0x364/0x530 kernel/events/core.c:9515
 perf_swevent_hrtimer+0x41b/0x5b0 kernel/events/core.c:10934
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x4b4/0xb70 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x3bb/0x8d0 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
 __sysvec_apic_timer_interrupt+0x137/0x4a0 arch/x86/kernel/apic/apic.c:1114
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:lock_release+0x1d/0x8a0 kernel/locking/lockdep.c:5631
Code: e9 ca f8 ff ff 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec e0 00 00 00 48 89 74 24 30 <48> 89 7c 24 08 65 48 8b 04 25 28 00 00 00 48 89 84 24 c0 00 00 00
RSP: 0018:ffffc900045cfa00 EFLAGS: 00000286
RAX: 1ffff920008b9f71 RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffc900146bd000 RSI: ffffffff819b5636 RDI: ffff88805f59e4b0
RBP: ffffc900045cfb10 R08: ffff8880786ca07f R09: 1ffff1100f0d940f
R10: dffffc0000000000 R11: ffffed100f0d9410 R12: 1ffff920008b9f68
R13: f8f8f8f8f8f8f8f8 R14: ffff88805f59e448 R15: ffffc900045cfb80
 __mutex_unlock_slowpath+0xc8/0x6c0 kernel/locking/mutex.c:851
 perf_event_ctx_unlock kernel/events/core.c:1413 [inline]
 perf_ioctl+0x2076/0x2340 kernel/events/core.c:5957
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl+0xfa/0x170 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fe803390e59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe8015ea028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fe803609fa0 RCX: 00007fe803390e59
RDX: 0000000000000007 RSI: 0000000040042408 RDI: 0000000000000009
RBP: 00007fe803426d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe80360a038 R14: 00007fe803609fa0 R15: 00007ffecb65dc68
 </TASK>
----------------
Code disassembly (best guess):
   0:	e9 ca f8 ff ff       	jmp    0xfffff8cf
   5:	0f 1f 84 00 00 00 00 	nopl   0x0(%rax,%rax,1)
   c:	00
   d:	55                   	push   %rbp
   e:	48 89 e5             	mov    %rsp,%rbp
  11:	41 57                	push   %r15
  13:	41 56                	push   %r14
  15:	41 55                	push   %r13
  17:	41 54                	push   %r12
  19:	53                   	push   %rbx
  1a:	48 83 e4 e0          	and    $0xffffffffffffffe0,%rsp
  1e:	48 81 ec e0 00 00 00 	sub    $0xe0,%rsp
  25:	48 89 74 24 30       	mov    %rsi,0x30(%rsp)
* 2a:	48 89 7c 24 08       	mov    %rdi,0x8(%rsp) <-- trapping instruction
  2f:	65 48 8b 04 25 28 00 	mov    %gs:0x28,%rax
  36:	00 00
  38:	48 89 84 24 c0 00 00 	mov    %rax,0xc0(%rsp)
  3f:	00