------------[ cut here ]------------
WARNING: CPU: 0 PID: 6324 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 0 PID: 6324 Comm: syz.5.538 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 3d 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 c0 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:ffffc90000007d40 EFLAGS: 00010006
RAX: ffffffff819ed760 RBX: 0000000000000008 RCX: ffff88807d1e1dc0
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88807d1e1dc0 R09: 000000000000000c
R10: 000000000000000c R11: 0000000000010000 R12: ffff88807d1e3548
R13: dffffc0000000000 R14: ffffc90000007da8 R15: 0000000000000000
FS:  00007f0590bd96c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000774e8000 CR4: 00000000003506f0
DR0: 0000200000000300 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_user kernel/trace/bpf_trace.c:166 [inline]
 bpf_probe_read_user+0x26/0x70 kernel/trace/bpf_trace.c:163
 bpf_prog_3b53280d0bd88656+0x5b/0x7d0
 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
 trace_tlb_flush+0xe6/0x110 include/trace/events/tlb.h:38
 flush_tlb_func+0x43f/0x510 arch/x86/mm/tlb.c:855
 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:tomoyo_check_acl+0xc3/0x3f0 security/tomoyo/domain.c:173
Code: 00 00 49 8b 6d 00 4c 39 ed 0f 84 e3 01 00 00 4c 8d 75 18 4c 89 f0 48 c1 e8 03 0f b6 04 18 84 c0 0f 85 05 01 00 00 45 0f b6 36 <31> ff 44 89 f6 e8 d3 58 dc fd 45 85 f6 74 0a e8 69 56 dc fd e9 af
RSP: 0018:ffffc90002e0fb98 EFLAGS: 00000246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff88807d1e1dc0
RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff888069def987
RBP: ffff8880755f0600 R08: ffff88807d1e1dc0 R09: 0000000000000002
R10: 000000000000005c R11: 0000000000000000 R12: 0000000000000000
R13: ffff888017744710 R14: 0000000000000000 R15: 0000000000000000
 tomoyo_path_number_perm+0x332/0x5d0 security/tomoyo/file.c:733
 security_file_ioctl+0x6c/0xa0 security/security.c:1555
 __do_sys_ioctl fs/ioctl.c:868 [inline]
 __se_sys_ioctl+0x48/0x170 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: 0033:0x7f05929717ab
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
RSP: 002b:00007f0590bd9050 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f0592bb9038 RCX: 00007f05929717ab
RDX: 0000000000000000 RSI: 0000000000006364 RDI: 00000000000000d8
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc0c4e4e07
R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000001
R13: 00007f0592bb9038 R14: 00007ffc0c4e4d20 R15: 00007ffc0c4e4e08
 </TASK>
----------------
Code disassembly (best guess):
   0:	00 00                	add    %al,(%rax)
   2:	49 8b 6d 00          	mov    0x0(%r13),%rbp
   6:	4c 39 ed             	cmp    %r13,%rbp
   9:	0f 84 e3 01 00 00    	je     0x1f2
   f:	4c 8d 75 18          	lea    0x18(%rbp),%r14
  13:	4c 89 f0             	mov    %r14,%rax
  16:	48 c1 e8 03          	shr    $0x3,%rax
  1a:	0f b6 04 18          	movzbl (%rax,%rbx,1),%eax
  1e:	84 c0                	test   %al,%al
  20:	0f 85 05 01 00 00    	jne    0x12b
  26:	45 0f b6 36          	movzbl (%r14),%r14d
* 2a:	31 ff                	xor    %edi,%edi <-- trapping instruction
  2c:	44 89 f6             	mov    %r14d,%esi
  2f:	e8 d3 58 dc fd       	call   0xfddc5907
  34:	45 85 f6             	test   %r14d,%r14d
  37:	74 0a                	je     0x43
  39:	e8 69 56 dc fd       	call   0xfddc56a7
  3e:	e9                   	.byte 0xe9
  3f:	af                   	scas   %es:(%rdi),%eax