------------[ cut here ]------------
WARNING: CPU: 0 PID: 8788 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 0 PID: 8788 Comm: syz.0.1728 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: 0000:ffffc90000007d30 EFLAGS: 00010006
RAX: ffffffff819ed760 RBX: 0000000000000000 RCX: ffff88802c163b80
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed100582c771
R10: ffffed100582c771 R11: 1ffff1100582c770 R12: ffff88802c165308
R13: 00007ffffffff000 R14: ffffc90000007da8 R15: 0000000000000000
FS:  00007f9cd45046c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9cd6233e10 CR3: 000000007a766000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 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_f3c4d654356a1293+0x34/0x87c
 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:check_preemption_disabled+0x13/0x110 lib/smp_processor_id.c:13
Code: 5a 76 5b c3 00 00 cc 48 c7 c7 20 a4 59 8a 48 c7 c6 60 a4 59 8a eb 00 55 41 57 41 56 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 <48> 89 44 24 08 65 8b 05 c9 16 59 76 65 8b 0d 32 71 59 76 f7 c1 ff
RSP: 0000:ffffc900031ff968 EFLAGS: 00000282
RAX: cc3277f48404c100 RBX: 0000000000000000 RCX: ffffffff815c7a69
RDX: 0000000000000000 RSI: ffffffff8a59a460 RDI: ffffffff8a59a420
RBP: ffffc900031ffad8 R08: dffffc0000000000 R09: fffffbfff1ad323e
R10: fffffbfff1ad323e R11: 1ffffffff1ad323d R12: ffffc900031ffd80
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff9200063ff44
 rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:331 [inline]
 rcu_is_watching+0x11/0xa0 kernel/rcu/tree.c:1123
 trace_lock_release include/trace/events/lock.h:58 [inline]
 lock_release+0xba/0x870 kernel/locking/lockdep.c:5634
 do_set_pte+0x3c9/0x530 mm/memory.c:4069
 filemap_map_pages+0xe7e/0x1390 mm/filemap.c:3344
 do_fault_around mm/memory.c:4243 [inline]
 do_read_fault mm/memory.c:4258 [inline]
 do_fault mm/memory.c:4392 [inline]
 handle_pte_fault mm/memory.c:4650 [inline]
 __handle_mm_fault mm/memory.c:4785 [inline]
 handle_mm_fault+0x2580/0x43c0 mm/memory.c:4883
 do_user_addr_fault+0x489/0xc80 arch/x86/mm/fault.c:1357
 handle_page_fault arch/x86/mm/fault.c:1445 [inline]
 exc_page_fault+0x60/0x100 arch/x86/mm/fault.c:1501
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
RIP: 0033:0x7f9cd6233e10
Code: Unable to access opcode bytes at RIP 0x7f9cd6233de6.
RSP: 002b:00007f9cd4504118 EFLAGS: 00010246
RAX: fffffffffffffeb8 RBX: 00007f9cd45046c0 RCX: 00007f9cd62d1489
RDX: 00007f9cd4504d78 RSI: 0000000000000058 RDI: 00007f9cd45046c0
RBP: 0000000000000000 R08: 00007f9cd45046c0 R09: 00007ffdfc8e2ff7
R10: 0000000000000008 R11: 0000000000000202 R12: ffffffffffffffa8
R13: 000000000000000b R14: 00007ffdfc8e2f10 R15: 00007ffdfc8e2ff8
 </TASK>
----------------
Code disassembly (best guess):
   0:	5a                   	pop    %rdx
   1:	76 5b                	jbe    0x5e
   3:	c3                   	ret
   4:	00 00                	add    %al,(%rax)
   6:	cc                   	int3
   7:	48 c7 c7 20 a4 59 8a 	mov    $0xffffffff8a59a420,%rdi
   e:	48 c7 c6 60 a4 59 8a 	mov    $0xffffffff8a59a460,%rsi
  15:	eb 00                	jmp    0x17
  17:	55                   	push   %rbp
  18:	41 57                	push   %r15
  1a:	41 56                	push   %r14
  1c:	53                   	push   %rbx
  1d:	48 83 ec 10          	sub    $0x10,%rsp
  21:	65 48 8b 04 25 28 00 	mov    %gs:0x28,%rax
  28:	00 00
* 2a:	48 89 44 24 08       	mov    %rax,0x8(%rsp) <-- trapping instruction
  2f:	65 8b 05 c9 16 59 76 	mov    %gs:0x765916c9(%rip),%eax        # 0x765916ff
  36:	65 8b 0d 32 71 59 76 	mov    %gs:0x76597132(%rip),%ecx        # 0x7659716f
  3d:	f7                   	.byte 0xf7
  3e:	c1                   	.byte 0xc1
  3f:	ff                   	.byte 0xff