------------[ cut here ]------------
WARNING: CPU: 1 PID: 4448 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 1 PID: 4448 Comm: syz.2.55 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 0d f6 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 90 f2 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:ffffc90000dd0a08 EFLAGS: 00010246
RAX: ffffffff819ed980 RBX: 0000000000000000 RCX: ffff88802c2e8000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1ff5419
R10: fffffbfff1ff5419 R11: 1ffffffff1ff5418 R12: ffff88802c2e9788
R13: 1ffff920001ba150 R14: ffffc90000dd0a68 R15: 0000000000000000
FS:  00007fa64512f6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c37e43d CR3: 0000000022a28000 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_user kernel/trace/bpf_trace.c:166 [inline]
 bpf_probe_read_user+0x26/0x70 kernel/trace/bpf_trace.c:163
 bpf_prog_7e47b8e39696360c+0x32/0xd6c
 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_run3+0x17e/0x320 kernel/trace/bpf_trace.c:1916
 __bpf_trace_kmem_cache_free+0x99/0xc0 include/trace/events/kmem.h:138
 trace_kmem_cache_free include/trace/events/kmem.h:138 [inline]
 kmem_cache_free+0x1e7/0x210 mm/slub.c:3521
 rcu_do_batch kernel/rcu/tree.c:2523 [inline]
 rcu_core+0x962/0x15d0 kernel/rcu/tree.c:2763
 handle_softirqs+0x328/0x820 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:659
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 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:csd_lock_wait kernel/smp.c:440 [inline]
RIP: 0010:smp_call_function_many_cond+0xb88/0xd70 kernel/smp.c:969
Code: b6 44 05 00 84 c0 0f 85 9d 00 00 00 41 8b 1c 24 89 de 83 e6 01 31 ff e8 66 49 0b 00 83 e3 01 75 07 e8 fc 45 0b 00 eb 43 f3 90 <48> b8 00 00 00 00 00 fc ff df 41 0f b6 44 05 00 84 c0 75 11 41 f7
RSP: 0018:ffffc9000343f3e0 EFLAGS: 00000283
RAX: ffffffff816c863b RBX: 0000000000000001 RCX: 0000000000080000
RDX: ffffc9000ca71000 RSI: 000000000001a84b RDI: 000000000001a84c
RBP: ffffc9000343f520 R08: dffffc0000000000 R09: ffffc9000343f2a0
R10: fffff52000687e56 R11: 1ffff92000687e54 R12: ffff8880b9042848
R13: 1ffff11017208509 R14: ffff8880b913b3c0 R15: 0000000000000000
 on_each_cpu_cond_mask+0x3b/0x80 kernel/smp.c:1134
 cpa_flush arch/x86/mm/pat/set_memory.c:373 [inline]
 change_page_attr_set_clr+0x5e0/0xc10 arch/x86/mm/pat/set_memory.c:1782
 change_page_attr_clear arch/x86/mm/pat/set_memory.c:1797 [inline]
 set_memory_ro+0x89/0xd0 arch/x86/mm/pat/set_memory.c:1943
 bpf_jit_binary_lock_ro include/linux/filter.h:919 [inline]
 bpf_int_jit_compile+0xc4af/0xcc80 arch/x86/net/bpf_jit_comp.c:2478
 bpf_prog_select_runtime+0x46f/0x7c0 kernel/bpf/core.c:1977
 bpf_migrate_filter net/core/filter.c:1307 [inline]
 bpf_prepare_filter+0x1014/0x11c0 net/core/filter.c:1355
 bpf_prog_create_from_user+0x2ce/0x420 net/core/filter.c:1449
 seccomp_prepare_filter kernel/seccomp.c:669 [inline]
 seccomp_prepare_user_filter kernel/seccomp.c:706 [inline]
 seccomp_set_mode_filter kernel/seccomp.c:1834 [inline]
 do_seccomp+0x7b6/0x1630 kernel/seccomp.c:1954
 __do_sys_prctl kernel/sys.c:2380 [inline]
 __se_sys_prctl+0x71f/0xfd0 kernel/sys.c:2298
 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: 0033:0x7fa646ec8749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa64512f038 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
RAX: ffffffffffffffda RBX: 00007fa64711efa0 RCX: 00007fa646ec8749
RDX: 0000200000000000 RSI: 0000000000000002 RDI: 0000000000000016
RBP: 00007fa646f4cf91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa64711f038 R14: 00007fa64711efa0 R15: 00007fff755cc308
 </TASK>
----------------
Code disassembly (best guess):
   0:	b6 44                	mov    $0x44,%dh
   2:	05 00 84 c0 0f       	add    $0xfc08400,%eax
   7:	85 9d 00 00 00 41    	test   %ebx,0x41000000(%rbp)
   d:	8b 1c 24             	mov    (%rsp),%ebx
  10:	89 de                	mov    %ebx,%esi
  12:	83 e6 01             	and    $0x1,%esi
  15:	31 ff                	xor    %edi,%edi
  17:	e8 66 49 0b 00       	call   0xb4982
  1c:	83 e3 01             	and    $0x1,%ebx
  1f:	75 07                	jne    0x28
  21:	e8 fc 45 0b 00       	call   0xb4622
  26:	eb 43                	jmp    0x6b
  28:	f3 90                	pause
* 2a:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax <-- trapping instruction
  31:	fc ff df
  34:	41 0f b6 44 05 00    	movzbl 0x0(%r13,%rax,1),%eax
  3a:	84 c0                	test   %al,%al
  3c:	75 11                	jne    0x4f
  3e:	41                   	rex.B
  3f:	f7                   	.byte 0xf7