------------[ cut here ]------------
WARNING: CPU: 1 PID: 9592 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 1 PID: 9592 Comm: syz.1.1409 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 8d 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 10 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:ffffc90000dd0d40 EFLAGS: 00010006
RAX: ffffffff819ed900 RBX: 0000000000000000 RCX: ffff888029738000
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1ff7c19
R10: fffffbfff1ff7c19 R11: 1ffffffff1ff7c18 R12: ffff888029739788
R13: dffffc0000000000 R14: ffffc90000dd0da8 R15: 0000000000000000
FS:  00007fcf10ab46c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcf127e4830 CR3: 0000000065c48000 CR4: 00000000003506e0
DR0: 0000000000000000 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_8848bede53a6b60e+0x34/0x894
 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:__sanitizer_cov_trace_cmp8+0x0/0x80 kernel/kcov.c:273
Code: 28 4d 39 ca 77 22 89 ff 89 f6 4a c7 44 02 08 04 00 00 00 4a 89 7c 02 10 4a 89 74 02 18 4a 89 44 02 20 48 ff c1 48 89 0a c3 90 <48> 8b 04 24 65 48 8b 0d c4 a1 8a 7e 65 8b 15 c5 a1 8a 7e 81 e2 00
RSP: 0000:ffffc9000315fad0 EFLAGS: 00000246
RAX: 1ffff9200062bf80 RBX: dffffc0000000000 RCX: ffff888029738000
RDX: 0000000000000000 RSI: 0000000000000131 RDI: 0000000000000125
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffff940003f8ed9
R10: fffff940003f8ed9 R11: 1ffffd40003f8ed8 R12: 1ffff9200062bf81
R13: ffffc9000315fc08 R14: 0000000000000125 R15: 0000000000000131
 xas_next_entry+0x126/0x3d0 include/linux/xarray.h:1652
 next_map_page mm/filemap.c:3296 [inline]
 filemap_map_pages+0xeaa/0x1390 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+0x257d/0x43b0 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: 0033:0x7fcf127e4830
Code: Unable to access opcode bytes at RIP 0x7fcf127e4806.
RSP: 002b:00007fcf10ab4118 EFLAGS: 00010246
RAX: fffffffffffffeb8 RBX: 00007fcf10ab46c0 RCX: 00007fcf12881e89
RDX: 00007fcf10ab4d78 RSI: 0000000000000058 RDI: 00007fcf10ab46c0
RBP: 0000000000000000 R08: 00007fcf10ab46c0 R09: 00007ffe8a640097
R10: 0000000000000008 R11: 0000000000000206 R12: ffffffffffffffa8
R13: 000000000000000b R14: 00007ffe8a63ffb0 R15: 00007ffe8a640098
 </TASK>
----------------
Code disassembly (best guess):
   0:	28 4d 39             	sub    %cl,0x39(%rbp)
   3:	ca 77 22             	lret   $0x2277
   6:	89 ff                	mov    %edi,%edi
   8:	89 f6                	mov    %esi,%esi
   a:	4a c7 44 02 08 04 00 	movq   $0x4,0x8(%rdx,%r8,1)
  11:	00 00
  13:	4a 89 7c 02 10       	mov    %rdi,0x10(%rdx,%r8,1)
  18:	4a 89 74 02 18       	mov    %rsi,0x18(%rdx,%r8,1)
  1d:	4a 89 44 02 20       	mov    %rax,0x20(%rdx,%r8,1)
  22:	48 ff c1             	inc    %rcx
  25:	48 89 0a             	mov    %rcx,(%rdx)
  28:	c3                   	ret
  29:	90                   	nop
* 2a:	48 8b 04 24          	mov    (%rsp),%rax <-- trapping instruction
  2e:	65 48 8b 0d c4 a1 8a 	mov    %gs:0x7e8aa1c4(%rip),%rcx        # 0x7e8aa1fa
  35:	7e
  36:	65 8b 15 c5 a1 8a 7e 	mov    %gs:0x7e8aa1c5(%rip),%edx        # 0x7e8aa202
  3d:	81                   	.byte 0x81
  3e:	e2 00                	loop   0x40