------------[ cut here ]------------
folio_test_large(folio)
WARNING: arch/x86/kvm/../../../virt/kvm/guest_memfd.c:416 at kvm_gmem_fault_user_mapping+0x4b5/0x6e0 virt/kvm/guest_memfd.c:416, CPU#1: syz.1.799/8906
Modules linked in:
CPU: 1 UID: 0 PID: 8906 Comm: syz.1.799 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
RIP: 0010:kvm_gmem_fault_user_mapping+0x4b5/0x6e0 virt/kvm/guest_memfd.c:416
Code: 00 e9 a1 fe ff ff bd 00 04 00 00 eb d9 e8 43 b8 83 00 48 c7 c6 e0 9f 82 8b 48 89 df e8 d4 f8 ce 00 90 0f 0b e8 2c b8 83 00 90 <0f> 0b 90 48 8d 6b 34 48 89 df e8 ec f6 bb 00 be 04 00 00 00 48 89
RSP: 0018:ffffc900037dfba8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffffea00010c0000 RCX: ffffffff81834070
RDX: ffff8880320ca4c0 RSI: ffffffff81834334 RDI: ffff8880320ca4c0
RBP: ffffc900037dfd58 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000040 R11: 0000000000000000 R12: ffffea00010c0000
R13: ffffc900037dfd68 R14: 0000000000000040 R15: ffffea00010c0008
FS:  00005555685de500(0000) GS:ffff8881246db000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3cb755 CR3: 0000000053465000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __do_fault+0x10d/0x550 mm/memory.c:5323
 do_shared_fault mm/memory.c:5822 [inline]
 do_fault+0x2db/0x1990 mm/memory.c:5896
 do_pte_missing mm/memory.c:4404 [inline]
 handle_pte_fault mm/memory.c:6276 [inline]
 __handle_mm_fault+0x1807/0x2b50 mm/memory.c:6414
 handle_mm_fault+0x36d/0xa20 mm/memory.c:6583
 do_user_addr_fault+0x74c/0x12f0 arch/x86/mm/fault.c:1385
 handle_page_fault arch/x86/mm/fault.c:1474 [inline]
 exc_page_fault+0x6f/0xd0 arch/x86/mm/fault.c:1527
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
RIP: 0033:0x7f745096b570
Code: fa 08 73 36 48 83 ea 04 73 e0 83 fa fd 7c 10 8a 0e 74 0a 0f b7 74 16 02 66 89 74 17 02 88 0f c3 c5 fa 6f 06 c5 fa 6f 4c 16 f0 <c5> fa 7f 07 c5 fa 7f 4c 17 f0 c3 0f 1f 44 00 00 48 8b 4c 16 f8 48
RSP: 002b:00007ffe18e91bb8 EFLAGS: 00010202
RAX: 0000200000000040 RBX: 0000000000000004 RCX: 000000000000003f
RDX: 000000000000001d RSI: 0000001b2e520381 RDI: 0000200000000040
RBP: fffffffffffffffe R08: 0000001b2e920000 R09: 0000000000000001
R10: 7fffffffffffffe2 R11: 0000000000000009 R12: 00007ffe18e91ce0
R13: 00007f7450c15fac R14: 00000000000394cf R15: 00007f7450c15fa0
 </TASK>