------------[ cut here ]------------
WARNING: CPU: 1 PID: 1336 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 1 PID: 1336 Comm: kworker/1:3 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Workqueue: rcu_gp process_srcu
RIP: 0010:copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 6d f7 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 f0 f3 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:ffffc90000dd0c10 EFLAGS: 00010006
RAX: ffffffff819ed660 RBX: 0000000000000008 RCX: ffff888022553b80
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed10044aa771
R10: ffffed10044aa771 R11: 1ffff110044aa770 R12: ffff888022555308
R13: 00007ffffffff000 R14: ffffc90000dd0c88 R15: 0000000020000000
FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa9037c22f8 CR3: 000000000be8e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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_bcff4640d6a7c5a9+0x5e/0xdc
 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_trace_run kernel/trace/bpf_trace.c:1878 [inline]
 bpf_trace_run2+0x15b/0x2d0 kernel/trace/bpf_trace.c:1915
 __traceiter_tlb_flush+0x69/0xb0 include/trace/events/tlb.h:38
 trace_tlb_flush+0xe6/0x110 include/trace/events/tlb.h:38
 switch_mm_irqs_off+0x6e3/0x9a0 arch/x86/mm/tlb.c:-1
 flush_tlb_func+0x1bc/0x510 arch/x86/mm/tlb.c:773
 flush_smp_call_function_queue+0x2a9/0x760 kernel/smp.c:628
 __sysvec_call_function_single+0x98/0x240 arch/x86/kernel/smp.c:248
 instr_sysvec_call_function_single arch/x86/kernel/smp.c:243 [inline]
 sysvec_call_function_single+0x98/0xc0 arch/x86/kernel/smp.c:243
 </IRQ>
 <TASK>
 asm_sysvec_call_function_single+0x16/0x20 arch/x86/include/asm/idtentry.h:684
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 kernel/locking/spinlock.c:202
Code: f6 ff 0f 1f 00 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 ae dc a9 f7 48 89 df e8 76 b1 aa f7 e8 11 4b cb f7 fb bf 01 00 00 00 <e8> b6 d4 9e f7 65 8b 05 97 d2 4f 76 85 c0 74 02 5b c3 e8 44 dd 4d
RSP: 0018:ffffc90005457c30 EFLAGS: 00000286
RAX: 9434f7ed72f76e00 RBX: ffff8880b9139b40 RCX: 9434f7ed72f76e00
RDX: dffffc0000000000 RSI: ffffffff8a0b1820 RDI: 0000000000000001
RBP: ffffc90005457db8 R08: dffffc0000000000 R09: ffffed1017227369
R10: ffffed1017227369 R11: 1ffff11017227368 R12: dffffc0000000000
R13: ffffffff9612e910 R14: 0000000000000080 R15: ffff8880b9139b40
 process_one_work+0x758/0x1000 kernel/workqueue.c:2283
 worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457
 kthread+0x436/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
----------------
Code disassembly (best guess):
   0:	f6 ff                	idiv   %bh
   2:	0f 1f 00             	nopl   (%rax)
   5:	53                   	push   %rbx
   6:	48 89 fb             	mov    %rdi,%rbx
   9:	48 83 c7 18          	add    $0x18,%rdi
   d:	48 8b 74 24 08       	mov    0x8(%rsp),%rsi
  12:	e8 ae dc a9 f7       	call   0xf7a9dcc5
  17:	48 89 df             	mov    %rbx,%rdi
  1a:	e8 76 b1 aa f7       	call   0xf7aab195
  1f:	e8 11 4b cb f7       	call   0xf7cb4b35
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
* 2a:	e8 b6 d4 9e f7       	call   0xf79ed4e5 <-- trapping instruction
  2f:	65 8b 05 97 d2 4f 76 	mov    %gs:0x764fd297(%rip),%eax        # 0x764fd2cd
  36:	85 c0                	test   %eax,%eax
  38:	74 02                	je     0x3c
  3a:	5b                   	pop    %rbx
  3b:	c3                   	ret
  3c:	e8                   	.byte 0xe8
  3d:	44                   	rex.R
  3e:	dd                   	.byte 0xdd
  3f:	4d                   	rex.WRB