------------[ cut here ]------------
WARNING: CPU: 0 PID: 18524 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 0 PID: 18524 Comm: syz.6.13622 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 7d 90 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 00 8d 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: ffffffff81a0a910 RBX: 0000000000000008 RCX: ffff888028d33b80
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff888028d33b87 R09: 1ffff110051a6770
R10: dffffc0000000000 R11: ffffed10051a6771 R12: ffff888028d35308
R13: 00007ffffffff000 R14: ffffc90000007988 R15: 0000000020000000
FS:  00007f3aceb3d6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2f6c72 CR3: 000000002dba5000 CR4: 00000000003506f0
DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000200000000300
DR3: 0000200000000300 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_be9e0a00554f9eb8+0x3d/0x318
 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:perf_ioctl+0x2062/0x2340 kernel/events/core.c:-1
Code: 2a 08 45 31 ff 4c 8b 74 24 08 e9 c9 fe ff ff e8 24 f4 dd ff 49 c7 c7 ea ff ff ff 4c 8b 74 24 08 41 c6 46 16 f8 41 c6 46 1a f8 <48> 8b 9c 24 98 00 00 00 48 89 df 48 83 c7 48 e8 ba 01 2a 08 48 89
RSP: 0018:ffffc900038afc20 EFLAGS: 00000246
RAX: ffffffff819b2ee6 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90003a91000 RSI: 0000000000000509 RDI: 000000000000050a
RBP: ffffc900038afed8 R08: ffff888061fc997f R09: 1ffff1100c3f932f
R10: dffffc0000000000 R11: ffffed100c3f9330 R12: 0000000040042408
R13: f8f8f8f8f8f8f8f8 R14: fffff52000715f98 R15: 0000000000000000
 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: 0033:0x7f3ad08e3e59
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:00007f3aceb3d028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f3ad0b5cfa0 RCX: 00007f3ad08e3e59
RDX: 0000000000000004 RSI: 0000000040042408 RDI: 0000000000000003
RBP: 00007f3ad0979d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3ad0b5d038 R14: 00007f3ad0b5cfa0 R15: 00007ffd31b96c08
 </TASK>
----------------
Code disassembly (best guess):
   0:	2a 08                	sub    (%rax),%cl
   2:	45 31 ff             	xor    %r15d,%r15d
   5:	4c 8b 74 24 08       	mov    0x8(%rsp),%r14
   a:	e9 c9 fe ff ff       	jmp    0xfffffed8
   f:	e8 24 f4 dd ff       	call   0xffddf438
  14:	49 c7 c7 ea ff ff ff 	mov    $0xffffffffffffffea,%r15
  1b:	4c 8b 74 24 08       	mov    0x8(%rsp),%r14
  20:	41 c6 46 16 f8       	movb   $0xf8,0x16(%r14)
  25:	41 c6 46 1a f8       	movb   $0xf8,0x1a(%r14)
* 2a:	48 8b 9c 24 98 00 00 	mov    0x98(%rsp),%rbx <-- trapping instruction
  31:	00
  32:	48 89 df             	mov    %rbx,%rdi
  35:	48 83 c7 48          	add    $0x48,%rdi
  39:	e8 ba 01 2a 08       	call   0x82a01f8
  3e:	48                   	rex.W
  3f:	89                   	.byte 0x89