reset_page_owner include/linux/page_owner.h:26 [inline]
 __free_pages_prepare mm/page_alloc.c:1418 [inline]
 __free_frozen_pages+0xf8e/0x1070 mm/page_alloc.c:2962
 kasan_depopulate_vmalloc_pte+0x6d/0x90 mm/kasan/shadow.c:484
 apply_to_pte_range mm/memory.c:3470 [inline]
 apply_to_pmd_range mm/memory.c:3514 [inline]
 apply_to_pud_range mm/memory.c:3550 [inline]
 apply_to_p4d_range mm/memory.c:3586 [inline]
 __apply_to_page_range+0xbd8/0x1420 mm/memory.c:3622
 __kasan_release_vmalloc+0xa2/0xd0 mm/kasan/shadow.c:602
 kasan_release_vmalloc include/linux/kasan.h:593 [inline]
 kasan_release_vmalloc_node mm/vmalloc.c:2306 [inline]
 purge_vmap_node+0x220/0x960 mm/vmalloc.c:2328
 __purge_vmap_area_lazy+0x783/0xb40 mm/vmalloc.c:2418
 drain_vmap_area_work+0x27/0x40 mm/vmalloc.c:2452
 process_one_work kernel/workqueue.c:3396 [inline]
 process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560
 kthread+0x38b/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
------------[ cut here ]------------
kernel BUG at mm/filemap.c:155!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 12404 Comm: syz.3.1338 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:filemap_unaccount_folio+0x506/0x550 mm/filemap.c:155
Code: a4 bf ff 48 89 df 48 c7 c6 80 30 79 8b e8 02 a5 20 ff 90 0f 0b e8 3a a4 bf ff 48 89 df 48 c7 c6 40 2e 79 8b e8 eb a4 20 ff 90 <0f> 0b e8 23 a4 bf ff 48 89 df 48 c7 c6 80 30 79 8b e8 d4 a4 20 ff
RSP: 0018:ffffc900047bedc0 EFLAGS: 00010246
RAX: 7d358336aa2d5e00 RBX: ffffea00015b0ec0 RCX: 0000000000000046
RDX: ffffc90011851000 RSI: ffffffff8dae0813 RDI: ffff888039a05dc0
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1f64590 R12: ffffea00015b0ef0
R13: ffff88801d7ba778 R14: 1ffffd40002b61d8 R15: 1ffffd40002b61d9
FS:  00007fd896c756c0(0000) GS:ffff888125cc3000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa69b83da08 CR3: 000000005c20e000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __filemap_remove_folio+0xc4/0x530 mm/filemap.c:226
 filemap_remove_folio+0xf1/0x3a0 mm/filemap.c:257
 truncate_inode_folio mm/truncate.c:176 [inline]
 truncate_inode_pages_range+0xada/0xd80 mm/truncate.c:461
 kvm_gmem_punch_hole virt/kvm/guest_memfd.c:210 [inline]
 kvm_gmem_fallocate+0x5fe/0x850 virt/kvm/guest_memfd.c:281
 vfs_fallocate+0x663/0x7f0 fs/open.c:338
 madvise_remove mm/madvise.c:1047 [inline]
 madvise_vma_behavior+0x2a73/0x4160 mm/madvise.c:1360
 madvise_walk_vmas+0x576/0xb00 mm/madvise.c:1721
 madvise_do_behavior+0x385/0x540 mm/madvise.c:1916
 do_madvise+0x26f/0x330 mm/madvise.c:2014
 __do_sys_madvise mm/madvise.c:2023 [inline]
 __se_sys_madvise mm/madvise.c:2021 [inline]
 __x64_sys_madvise+0xa6/0xc0 mm/madvise.c:2021
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd898a3e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd896c75028 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007fd898cc6090 RCX: 00007fd898a3e159
RDX: 0000000000000009 RSI: 0000000000600003 RDI: 0000200000000000
RBP: 00007fd898ad506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd898cc6128 R14: 00007fd898cc6090 R15: 00007ffe0937a448
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:filemap_unaccount_folio+0x506/0x550 mm/filemap.c:155
Code: a4 bf ff 48 89 df 48 c7 c6 80 30 79 8b e8 02 a5 20 ff 90 0f 0b e8 3a a4 bf ff 48 89 df 48 c7 c6 40 2e 79 8b e8 eb a4 20 ff 90 <0f> 0b e8 23 a4 bf ff 48 89 df 48 c7 c6 80 30 79 8b e8 d4 a4 20 ff
RSP: 0018:ffffc900047bedc0 EFLAGS: 00010246
RAX: 7d358336aa2d5e00 RBX: ffffea00015b0ec0 RCX: 0000000000000046
RDX: ffffc90011851000 RSI: ffffffff8dae0813 RDI: ffff888039a05dc0
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1f64590 R12: ffffea00015b0ef0
R13: ffff88801d7ba778 R14: 1ffffd40002b61d8 R15: 1ffffd40002b61d9
FS:  00007fd896c756c0(0000) GS:ffff888125cc3000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa69b83da08 CR3: 000000005c20e000 CR4: 00000000003526f0