page last free pid 15092 tgid 15091 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1406 [inline]
 __free_frozen_pages+0xbc8/0xd30 mm/page_alloc.c:2943
 __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+0xd70/0x1870 kernel/rcu/tree.c:2857
 handle_softirqs+0x27d/0x850 kernel/softirq.c:626
 __do_softirq kernel/softirq.c:660 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:727
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:743
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
------------[ cut here ]------------
kernel BUG at mm/filemap.c:859!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 15093 Comm: syz.3.2555 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__filemap_add_folio+0x118b/0x12d0 mm/filemap.c:858
Code: 99 c7 ff 4c 89 e7 48 c7 c6 c0 b3 94 8b e8 ad 9b 2d ff 90 0f 0b e8 55 99 c7 ff 4c 89 e7 48 c7 c6 a0 aa 94 8b e8 96 9b 2d ff 90 <0f> 0b e8 3e 99 c7 ff 4c 89 e7 48 c7 c6 c0 b3 94 8b e8 7f 9b 2d ff
RSP: 0018:ffffc9000e4ef1e0 EFLAGS: 00010246
RAX: 39be715feb9cee00 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8daa76bd RDI: 00000000ffffffff
RBP: ffffc9000e4ef360 R08: ffffffff8fc3b077 R09: 1ffffffff1f8760e
R10: dffffc0000000000 R11: fffffbfff1f8760f R12: ffffea00015f3b40
R13: dffffc0000000000 R14: ffffea00015f3b48 R15: 0000000000000004
FS:  00007f41570136c0(0000) GS:ffff888125ae1000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd54675d4e8 CR3: 0000000043b80000 CR4: 00000000003526f0
DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 filemap_add_folio+0x26d/0x540 mm/filemap.c:966
 ra_alloc_folio mm/readahead.c:453 [inline]
 page_cache_ra_order+0x6a7/0xe50 mm/readahead.c:512
 do_sync_mmap_readahead+0x66a/0x870 mm/filemap.c:3400
 filemap_fault+0x6ac/0x1290 mm/filemap.c:3549
 __do_fault+0x138/0x390 mm/memory.c:5320
 do_read_fault mm/memory.c:5755 [inline]
 do_fault mm/memory.c:5889 [inline]
 do_pte_missing+0x2206/0x3330 mm/memory.c:4401
 handle_pte_fault mm/memory.c:6273 [inline]
 __handle_mm_fault mm/memory.c:6411 [inline]
 handle_mm_fault+0x1b26/0x32b0 mm/memory.c:6580
 faultin_page mm/gup.c:1126 [inline]
 __get_user_pages+0x1650/0x29f0 mm/gup.c:1428
 populate_vma_page_range+0x29f/0x3a0 mm/gup.c:1860
 __mm_populate+0x24c/0x380 mm/gup.c:1963
 mm_populate include/linux/mm.h:3706 [inline]
 vm_mmap_pgoff+0x387/0x4d0 mm/util.c:586
 ksys_mmap_pgoff+0x51f/0x760 mm/mmap.c:604
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f415618f749
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:00007f4157013038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f41563e6090 RCX: 00007f415618f749
RDX: 0000000001000002 RSI: 0000000000b36000 RDI: 0000200000000000
RBP: 00007f4156213f91 R08: 0000000000000004 R09: 000000002c93a000
R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f41563e6128 R14: 00007f41563e6090 R15: 00007ffe842e2048
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0x118b/0x12d0 mm/filemap.c:858
Code: 99 c7 ff 4c 89 e7 48 c7 c6 c0 b3 94 8b e8 ad 9b 2d ff 90 0f 0b e8 55 99 c7 ff 4c 89 e7 48 c7 c6 a0 aa 94 8b e8 96 9b 2d ff 90 <0f> 0b e8 3e 99 c7 ff 4c 89 e7 48 c7 c6 c0 b3 94 8b e8 7f 9b 2d ff
RSP: 0018:ffffc9000e4ef1e0 EFLAGS: 00010246
RAX: 39be715feb9cee00 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8daa76bd RDI: 00000000ffffffff
RBP: ffffc9000e4ef360 R08: ffffffff8fc3b077 R09: 1ffffffff1f8760e
R10: dffffc0000000000 R11: fffffbfff1f8760f R12: ffffea00015f3b40
R13: dffffc0000000000 R14: ffffea00015f3b48 R15: 0000000000000004
FS:  00007f41570136c0(0000) GS:ffff8881259e1000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001000 CR3: 0000000043b80000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000002000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400