page last free pid 23 tgid 23 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 __free_frozen_pages+0xbc8/0xd30 mm/page_alloc.c:2948
 __tlb_remove_table_free mm/mmu_gather.c:227 [inline]
 tlb_remove_table_rcu+0x85/0x100 mm/mmu_gather.c:290
 rcu_do_batch kernel/rcu/tree.c:2605 [inline]
 rcu_core+0xcab/0x1770 kernel/rcu/tree.c:2861
 handle_softirqs+0x286/0x870 kernel/softirq.c:626
 run_ksoftirqd+0x9b/0x100 kernel/softirq.c:1067
 smpboot_thread_fn+0x542/0xa60 kernel/smpboot.c:160
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x4bc/0x870 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:859!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 12180 Comm: syz.3.1851 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:__filemap_add_folio+0x11ad/0x12f0 mm/filemap.c:858
Code: fa c7 ff 4c 89 e7 48 c7 c6 a0 6a 94 8b e8 4b 11 2f ff 90 0f 0b e8 f3 f9 c7 ff 4c 89 e7 48 c7 c6 80 61 94 8b e8 34 11 2f ff 90 <0f> 0b e8 dc f9 c7 ff 4c 89 e7 48 c7 c6 a0 6a 94 8b e8 1d 11 2f ff
RSP: 0018:ffffc9001988f1e0 EFLAGS: 00010246
RAX: d75c582b1c3bac00 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8da7b4a7 RDI: 00000000ffffffff
RBP: ffffc9001988f348 R08: ffffffff8fbf0777 R09: 1ffffffff1f7e0ee
R10: dffffc0000000000 R11: fffffbfff1f7e0ef R12: ffffea00007bef80
R13: dffffc0000000000 R14: ffffea00007bef88 R15: 0000000000000004
FS:  00007f7ba497b6c0(0000) GS:ffff888125b9c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbce63722e0 CR3: 0000000034eaa000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 filemap_add_folio+0x26d/0x540 mm/filemap.c:966
 ra_alloc_folio mm/readahead.c:453 [inline]
 page_cache_ra_order+0x6be/0xe70 mm/readahead.c:512
 do_sync_mmap_readahead+0x66a/0x870 mm/filemap.c:3400
 filemap_fault+0x6bc/0x12b0 mm/filemap.c:3549
 __do_fault+0x138/0x390 mm/memory.c:5325
 do_shared_fault mm/memory.c:5824 [inline]
 do_fault mm/memory.c:5898 [inline]
 do_pte_missing mm/memory.c:4406 [inline]
 handle_pte_fault mm/memory.c:6239 [inline]
 __handle_mm_fault+0x1842/0x5440 mm/memory.c:6381
 handle_mm_fault+0x40a/0x8e0 mm/memory.c:6550
 faultin_page mm/gup.c:1126 [inline]
 __get_user_pages+0x1650/0x29f0 mm/gup.c:1428
 __get_user_pages_locked mm/gup.c:1692 [inline]
 faultin_page_range+0x240/0x8d0 mm/gup.c:1912
 madvise_populate mm/madvise.c:979 [inline]
 madvise_do_behavior+0x2e7/0x550 mm/madvise.c:1883
 do_madvise+0x1bc/0x270 mm/madvise.c:1978
 __do_sys_madvise mm/madvise.c:1987 [inline]
 __se_sys_madvise mm/madvise.c:1985 [inline]
 __x64_sys_madvise+0xa7/0xc0 mm/madvise.c:1985
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7ba3b8efc9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7ba497b038 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007f7ba3de5fa0 RCX: 00007f7ba3b8efc9
RDX: 0000000000000017 RSI: 0000000000c00000 RDI: 0000200000000000
RBP: 00007f7ba3c11f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7ba3de6038 R14: 00007f7ba3de5fa0 R15: 00007ffcac9e85a8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0x11ad/0x12f0 mm/filemap.c:858
Code: fa c7 ff 4c 89 e7 48 c7 c6 a0 6a 94 8b e8 4b 11 2f ff 90 0f 0b e8 f3 f9 c7 ff 4c 89 e7 48 c7 c6 80 61 94 8b e8 34 11 2f ff 90 <0f> 0b e8 dc f9 c7 ff 4c 89 e7 48 c7 c6 a0 6a 94 8b e8 1d 11 2f ff
RSP: 0018:ffffc9001988f1e0 EFLAGS: 00010246
RAX: d75c582b1c3bac00 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8da7b4a7 RDI: 00000000ffffffff
RBP: ffffc9001988f348 R08: ffffffff8fbf0777 R09: 1ffffffff1f7e0ee
R10: dffffc0000000000 R11: fffffbfff1f7e0ef R12: ffffea00007bef80
R13: dffffc0000000000 R14: ffffea00007bef88 R15: 0000000000000004
FS:  00007f7ba497b6c0(0000) GS:ffff888125a9c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd5efb17d60 CR3: 0000000034eaa000 CR4: 00000000003526f0
DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400