------------[ cut here ]------------
WARNING: CPU: 0 PID: 12091 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 0 PID: 12091 Comm: syz.4.2883 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 4d 97 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 d0 93 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: ffffffff81a068e0 RBX: 0000000000000008 RCX: ffff88801abd1dc0
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88801abd1dc7 R09: 1ffff1100357a3b8
R10: dffffc0000000000 R11: ffffed100357a3b9 R12: ffff88801abd3548
R13: 00007ffffffff000 R14: ffffc90000007988 R15: 0000000000000005
FS:  00007f640f5686c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 0000000033d04000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 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+0x45/0x5f0
 bpf_dispatcher_nop_func include/linux/bpf.h:889 [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:do_syscall_64+0x50/0xa0 arch/x86/entry/common.c:86
Code: c7 41 81 ff c0 01 00 00 77 33 44 89 ff 81 e7 ff 01 00 00 e8 02 72 40 f7 41 21 c7 4c 89 f7 44 89 fe e8 f4 6a 40 f7 49 89 46 50 <4c> 89 f7 e8 38 43 00 00 48 8d 65 e8 5b 41 5e 41 5f 5d c3 41 83 ff
RSP: 0018:ffffc90002efff20 EFLAGS: 00000287
RAX: 0000000000000000 RBX: ffffc90002efff20 RCX: 0000000000080000
RDX: ffffc9000e87c000 RSI: 0000000000000846 RDI: 0000000000000847
RBP: ffffc90002efff48 R08: ffff8880274d4cff R09: 1ffff11004e9a99f
R10: dffffc0000000000 R11: ffffed1004e9a9a0 R12: 0000000000000000
R13: 0000000000000000 R14: ffffc90002efff58 R15: 0000000000000010
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f64113100d9
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:00007f640f568028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007f6411597fa0 RCX: 00007f64113100d9
RDX: 000000000000000d RSI: 0000000040042408 RDI: 0000000000000011
RBP: 00007f64113a7024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6411598038 R14: 00007f6411597fa0 R15: 00007ffcaa5dcc28
 </TASK>
----------------
Code disassembly (best guess):
   0:	c7 41 81 ff c0 01 00 	movl   $0x1c0ff,-0x7f(%rcx)
   7:	00 77 33             	add    %dh,0x33(%rdi)
   a:	44 89 ff             	mov    %r15d,%edi
   d:	81 e7 ff 01 00 00    	and    $0x1ff,%edi
  13:	e8 02 72 40 f7       	call   0xf740721a
  18:	41 21 c7             	and    %eax,%r15d
  1b:	4c 89 f7             	mov    %r14,%rdi
  1e:	44 89 fe             	mov    %r15d,%esi
  21:	e8 f4 6a 40 f7       	call   0xf7406b1a
  26:	49 89 46 50          	mov    %rax,0x50(%r14)
* 2a:	4c 89 f7             	mov    %r14,%rdi <-- trapping instruction
  2d:	e8 38 43 00 00       	call   0x436a
  32:	48 8d 65 e8          	lea    -0x18(%rbp),%rsp
  36:	5b                   	pop    %rbx
  37:	41 5e                	pop    %r14
  39:	41 5f                	pop    %r15
  3b:	5d                   	pop    %rbp
  3c:	c3                   	ret
  3d:	41                   	rex.B
  3e:	83                   	.byte 0x83
  3f:	ff                   	.byte 0xff