------------[ cut here ]------------
WARNING: CPU: 0 PID: 24571 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 0 PID: 24571 Comm: syz.4.6974 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 dd 99 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 60 96 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: ffffffff81a05c40 RBX: 0000000000000008 RCX: ffff888026555940
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff888026555947 R09: 1ffff11004caab28
R10: dffffc0000000000 R11: ffffed1004caab29 R12: ffff8880265570c8
R13: 00007ffffffff000 R14: ffffc90000007988 R15: 0000000020000000
FS:  00007fc9ead816c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 000000006200a000 CR4: 00000000003506f0
DR0: 0000200000000300 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_ceda4e53fcf21ae1+0x3e/0x5d4
 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+0x35f/0x550 kernel/events/core.c:9515
 perf_swevent_hrtimer+0x3c2/0x550 kernel/events/core.c:10934
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x4b0/0xb60 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x397/0x8b0 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 kernel/events/core.c:5897 [inline]
RIP: 0010:perf_ioctl+0xdc9/0x2300 kernel/events/core.c:5956
Code: 24 10 e9 4a 11 00 00 e8 55 08 de ff 49 c7 c7 f7 ff ff ff e9 72 11 00 00 e8 44 08 de ff 45 31 ff 4c 8b 74 24 10 e9 60 11 00 00 <e8> 32 08 de ff 45 31 ff e9 53 11 00 00 e8 25 08 de ff 41 bf ea ff
RSP: 0018:ffffc9000310fc40 EFLAGS: 00000246
RAX: ffffffff819ae57b RBX: 0000000000000000 RCX: ffff888026555940
RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000310fed8 R08: ffff88802157347f R09: 1ffff110042ae68f
R10: dffffc0000000000 R11: ffffed10042ae690 R12: 0000000040042408
R13: f8f8f8f8f8f8f8f8 R14: fffff52000621f98 R15: ffffc90001126000
 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: 0033:0x7fc9ecb27e59
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:00007fc9ead81028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fc9ecda0fa0 RCX: 00007fc9ecb27e59
RDX: 0000000000000009 RSI: 0000000040042408 RDI: 000000000000000a
RBP: 00007fc9ecbbde6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc9ecda1038 R14: 00007fc9ecda0fa0 R15: 00007ffed69a9dc8
 </TASK>
----------------
Code disassembly (best guess):
   0:	24 10                	and    $0x10,%al
   2:	e9 4a 11 00 00       	jmp    0x1151
   7:	e8 55 08 de ff       	call   0xffde0861
   c:	49 c7 c7 f7 ff ff ff 	mov    $0xfffffffffffffff7,%r15
  13:	e9 72 11 00 00       	jmp    0x118a
  18:	e8 44 08 de ff       	call   0xffde0861
  1d:	45 31 ff             	xor    %r15d,%r15d
  20:	4c 8b 74 24 10       	mov    0x10(%rsp),%r14
  25:	e9 60 11 00 00       	jmp    0x118a
* 2a:	e8 32 08 de ff       	call   0xffde0861 <-- trapping instruction
  2f:	45 31 ff             	xor    %r15d,%r15d
  32:	e9 53 11 00 00       	jmp    0x118a
  37:	e8 25 08 de ff       	call   0xffde0861
  3c:	41                   	rex.B
  3d:	bf                   	.byte 0xbf
  3e:	ea                   	(bad)
  3f:	ff                   	.byte 0xff