------------[ cut here ]------------
WARNING: CPU: 1 PID: 7872 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 1 PID: 7872 Comm: syz.2.837 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:ffffc90000dd0d38 EFLAGS: 00010006
RAX: ffffffff819ed900 RBX: 0000000000000008 RCX: ffff888023cfbb80
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed100479f771
R10: ffffed100479f771 R11: 1ffff1100479f770 R12: ffff888023cfd308
R13: 00007ffffffff000 R14: ffffc90000dd0da8 R15: 0000000000000000
FS:  00007f0f8824b6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000000 CR3: 000000004e68e000 CR4: 00000000003506e0
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_1ccb8ba97563bf77+0x59/0xf08
 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:find_vma+0x123/0x230 mm/mmap.c:2290
Code: 00 4d 8b 3f 4d 85 ff 0f 84 b2 00 00 00 45 31 f6 4d 8d 67 e8 4c 89 e0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 e7 e8 bd f2 0d 00 <4d> 8b 24 24 4c 89 e7 48 89 de e8 6e 8c c9 ff 49 39 dc 76 39 4d 8d
RSP: 0000:ffffc9000333fe48 EFLAGS: 00000246
RAX: 1ffff11009d68d2a RBX: 00007f0f89f7b830 RCX: ffff888023cfbb80
RDX: 0000000000000000 RSI: 00007f0f89f7b830 RDI: 00005555662b2000
RBP: 0000000000000001 R08: dffffc0000000000 R09: ffffed1003d4aef8
R10: ffffed1003d4aef8 R11: 1ffff11003d4aef7 R12: ffff88804eb46950
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88804eb46968
 do_user_addr_fault+0x300/0xc80 arch/x86/mm/fault.c:1318
 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: 0033:0x7f0f89f7b830
Code: Unable to access opcode bytes at RIP 0x7f0f89f7b806.
RSP: 002b:00007f0f8824b118 EFLAGS: 00010246
RAX: fffffffffffffeb8 RBX: 00007f0f8824b6c0 RCX: 00007f0f8a018e89
RDX: 00007f0f8824bd78 RSI: 0000000000000058 RDI: 00007f0f8824b6c0
RBP: 0000000000000000 R08: 00007f0f8824b6c0 R09: 00007ffef38e6477
R10: 0000000000000008 R11: 0000000000000206 R12: ffffffffffffffa8
R13: 000000000000000b R14: 00007ffef38e6390 R15: 00007ffef38e6478
 </TASK>
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	4d 8b 3f             	mov    (%r15),%r15
   3:	4d 85 ff             	test   %r15,%r15
   6:	0f 84 b2 00 00 00    	je     0xbe
   c:	45 31 f6             	xor    %r14d,%r14d
   f:	4d 8d 67 e8          	lea    -0x18(%r15),%r12
  13:	4c 89 e0             	mov    %r12,%rax
  16:	48 c1 e8 03          	shr    $0x3,%rax
  1a:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
  1f:	74 08                	je     0x29
  21:	4c 89 e7             	mov    %r12,%rdi
  24:	e8 bd f2 0d 00       	call   0xdf2e6
* 29:	4d 8b 24 24          	mov    (%r12),%r12 <-- trapping instruction
  2d:	4c 89 e7             	mov    %r12,%rdi
  30:	48 89 de             	mov    %rbx,%rsi
  33:	e8 6e 8c c9 ff       	call   0xffc98ca6
  38:	49 39 dc             	cmp    %rbx,%r12
  3b:	76 39                	jbe    0x76
  3d:	4d                   	rex.WRB
  3e:	8d                   	.byte 0x8d