------------[ cut here ]------------
WARNING: CPU: 0 PID: 4185 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 0 PID: 4185 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/13/2026
RIP: 0010:copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 8d 9b 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 10 98 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:ffffc90000007e30 EFLAGS: 00010006
RAX: ffffffff81a05a90 RBX: 0000000000000008 RCX: ffff888019fb0000
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff888019fb0007 R09: 1ffff110033f6000
R10: dffffc0000000000 R11: ffffed10033f6001 R12: ffff888019fb1788
R13: 00007ffffffff000 R14: ffffc90000007ea8 R15: 0000000000000000
FS:  0000555592962500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fab45cc0158 CR3: 0000000062c76000 CR4: 00000000003506f0
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_bc47904a6221c669+0x5b/0x788
 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_prog_test_run_raw_tp+0x1cd/0x3f0 net/bpf/test_run.c:335
 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:apparmor_sk_free_security+0x1/0x170 security/apparmor/lsm.c:798
Code: 0f 95 c6 31 ff e8 0f eb ca fd 49 ff c6 e9 4b ff ff ff e8 a2 e7 ca fd 41 be 03 00 00 00 e9 3b ff ff ff 0f 1f 80 00 00 00 00 55 <41> 57 41 56 53 49 89 fe 49 bf 00 00 00 00 00 fc ff df e8 78 e7 ca
RSP: 0018:ffffc90002f0fd38 EFLAGS: 00000246
RAX: 1ffffffff17c7914 RBX: ffff888024ec3000 RCX: ffff888019fb0000
RDX: 0000000000000000 RSI: ffffffff8a2b3e80 RDI: ffff888024ec3000
RBP: dffffc0000000000 R08: ffffffff8d8aeaef R09: 1ffffffff1b15d5d
R10: dffffc0000000000 R11: fffffbfff1b15d5e R12: ffff888142fe83c0
R13: ffff888024ec3000 R14: ffffffff8be3c888 R15: dffffc0000000000
 security_sk_free+0x41/0x80 security/security.c:2314
 sk_prot_free net/core/sock.c:1898 [inline]
 __sk_destruct+0x53b/0x840 net/core/sock.c:1991
 inet_release+0x139/0x180 net/ipv4/af_inet.c:432
 __sock_release net/socket.c:651 [inline]
 sock_close+0xbf/0x210 net/socket.c:1346
 __fput+0x212/0x8c0 fs/file_table.c:311
 task_work_run+0x125/0x1a0 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x10f/0x130 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fab45a336ce
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007ffdb7b31688 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000555592962500 RCX: 00007fab45a336ce
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007ffdb7b3172c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000000b9
R13: 00000000000927c0 R14: 00000000000468fc R15: 00007ffdb7b31780
 </TASK>
----------------
Code disassembly (best guess):
   0:	0f 95 c6             	setne  %dh
   3:	31 ff                	xor    %edi,%edi
   5:	e8 0f eb ca fd       	call   0xfdcaeb19
   a:	49 ff c6             	inc    %r14
   d:	e9 4b ff ff ff       	jmp    0xffffff5d
  12:	e8 a2 e7 ca fd       	call   0xfdcae7b9
  17:	41 be 03 00 00 00    	mov    $0x3,%r14d
  1d:	e9 3b ff ff ff       	jmp    0xffffff5d
  22:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  29:	55                   	push   %rbp
* 2a:	41 57                	push   %r15 <-- trapping instruction
  2c:	41 56                	push   %r14
  2e:	53                   	push   %rbx
  2f:	49 89 fe             	mov    %rdi,%r14
  32:	49 bf 00 00 00 00 00 	movabs $0xdffffc0000000000,%r15
  39:	fc ff df
  3c:	e8                   	.byte 0xe8
  3d:	78 e7                	js     0x26
  3f:	ca                   	.byte 0xca