------------[ cut here ]------------
WARNING: CPU: 1 PID: 6037 at mm/maccess.c:226 copy_from_user_nofault+0x15c/0x1c0 mm/maccess.c:-1
Modules linked in:
CPU: 1 PID: 6037 Comm: syz.2.544 Not tainted 5.15.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:copy_from_user_nofault+0x15c/0x1c0 mm/maccess.c:226
Code: db 48 c7 c0 f2 ff ff ff 48 0f 44 c5 eb 0c e8 3b b1 d5 ff 48 c7 c0 f2 ff ff ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 24 b1 d5 ff <0f> 0b e9 1e ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c ef fe ff
RSP: 0000:ffffc90000dd0cf8 EFLAGS: 00010006
RAX: ffffffff81aa911c RBX: 0000000000000000 RCX: ffff88802c0f1dc0
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81aa902d R09: fffffbfff2131819
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000008 R14: 0000000000000000 R15: ffffc90000dd0d68
FS:  00007f180c62c6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f180e75b360 CR3: 0000000058c3e000 CR4: 00000000003526e0
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_3b9629c20b8e2cb6+0x59/0xf18
 bpf_dispatcher_nop_func include/linux/bpf.h:790 [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+0x19e/0x340 kernel/trace/bpf_trace.c:1915
 __traceiter_tlb_flush+0x6c/0xc0 include/trace/events/tlb.h:38
 trace_tlb_flush+0xed/0x110 include/trace/events/tlb.h:38
 flush_tlb_func+0x480/0x590 arch/x86/mm/tlb.c:851
 flush_smp_call_function_queue+0x2b5/0x760 kernel/smp.c:628
 __sysvec_call_function_single+0x9a/0x250 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+0x7/0x110 lib/smp_processor_id.c:13
Code: b2 8a e8 2c 01 00 00 65 ff 0d 51 11 c4 75 5b c3 00 00 cc 48 c7 c7 e0 e8 f9 8a 48 c7 c6 20 e9 f9 8a eb 00 41 57 41 56 41 54 53 <48> 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 65 8b 1d 58
RSP: 0000:ffffc900031df9c0 EFLAGS: 00000282
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffff88802c0f1dc0
RDX: ffff88802c0f1dc0 RSI: ffffffff8af9e920 RDI: ffffffff8af9e8e0
RBP: ffffea0001d4da80 R08: ffffffff81a80a95 R09: fffff940003a9b49
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900031dfb72
R13: ffffc900031dfb60 R14: dffffc0000000000 R15: ffff88807446c0b8
 rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:331 [inline]
 rcu_is_watching+0x11/0xa0 kernel/rcu/tree.c:1123
 rcu_read_lock_held_common kernel/rcu/update.c:108 [inline]
 rcu_read_lock_held+0x11/0x40 kernel/rcu/update.c:309
 xa_entry include/linux/xarray.h:1182 [inline]
 xas_next_entry+0x270/0x3d0 include/linux/xarray.h:1641
 next_map_page mm/filemap.c:3296 [inline]
 filemap_map_pages+0xf90/0x15c0 mm/filemap.c:3352
 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+0x341b/0x5960 mm/memory.c:4883
 do_user_addr_fault arch/x86/mm/fault.c:1357 [inline]
 handle_page_fault arch/x86/mm/fault.c:1445 [inline]
 exc_page_fault+0x271/0x700 arch/x86/mm/fault.c:1501
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
RIP: 0033:0x7f180e75b360
Code: Unable to access opcode bytes at RIP 0x7f180e75b336.
RSP: 002b:00007f180c62c118 EFLAGS: 00010246
RAX: fffffffffffffeb8 RBX: 00007f180c62c6c0 RCX: 00007f180e7f89c9
RDX: 00007f180c62cd78 RSI: 0000000000000058 RDI: 00007f180c62c6c0
RBP: 0000000000000000 R08: 00007f180c62c6c0 R09: 00007ffc01889a77
R10: 0000000000000008 R11: 0000000000000202 R12: ffffffffffffffa8
R13: 000000000000000b R14: 00007ffc01889990 R15: 00007ffc01889a78
 </TASK>
----------------
Code disassembly (best guess):
   0:	b2 8a                	mov    $0x8a,%dl
   2:	e8 2c 01 00 00       	call   0x133
   7:	65 ff 0d 51 11 c4 75 	decl   %gs:0x75c41151(%rip)        # 0x75c4115f
   e:	5b                   	pop    %rbx
   f:	c3                   	ret
  10:	00 00                	add    %al,(%rax)
  12:	cc                   	int3
  13:	48 c7 c7 e0 e8 f9 8a 	mov    $0xffffffff8af9e8e0,%rdi
  1a:	48 c7 c6 20 e9 f9 8a 	mov    $0xffffffff8af9e920,%rsi
  21:	eb 00                	jmp    0x23
  23:	41 57                	push   %r15
  25:	41 56                	push   %r14
  27:	41 54                	push   %r12
  29:	53                   	push   %rbx
* 2a:	48 83 ec 10          	sub    $0x10,%rsp <-- trapping instruction
  2e:	65 48 8b 04 25 28 00 	mov    %gs:0x28,%rax
  35:	00 00
  37:	48 89 44 24 08       	mov    %rax,0x8(%rsp)
  3c:	65                   	gs
  3d:	8b                   	.byte 0x8b
  3e:	1d                   	.byte 0x1d
  3f:	58                   	pop    %rax