reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1433 [inline]
 __free_frozen_pages+0xc2b/0xdb0 mm/page_alloc.c:2978
 vfree+0x25a/0x400 mm/vmalloc.c:3479
 delayed_vfree_work+0x55/0x80 mm/vmalloc.c:3398
 process_one_work kernel/workqueue.c:3275 [inline]
 process_scheduled_works+0xb02/0x1830 kernel/workqueue.c:3358
 worker_thread+0xa50/0xfc0 kernel/workqueue.c:3439
 kthread+0x388/0x470 kernel/kthread.c:467
 ret_from_fork+0x51e/0xb90 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 NOPTI
CPU: 1 UID: 0 PID: 15545 Comm: syz.4.1969 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:__filemap_add_folio+0x11bc/0x1350 mm/filemap.c:858
Code: 57 c5 ff 4c 89 e7 48 c7 c6 20 a5 d7 8b e8 cc e4 27 ff 90 0f 0b e8 b4 57 c5 ff 4c 89 e7 48 c7 c6 c0 99 d7 8b e8 b5 e4 27 ff 90 <0f> 0b e8 9d 57 c5 ff 4c 89 e7 48 c7 c6 20 a5 d7 8b e8 9e e4 27 ff
RSP: 0018:ffffc90003b475c0 EFLAGS: 00010246
RAX: 432905fc99ebe000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8def225c RDI: 00000000ffffffff
RBP: ffffc90003b47740 R08: ffffffff90117db7 R09: 1ffffffff2022fb6
R10: dffffc0000000000 R11: fffffbfff2022fb7 R12: ffffea00018e49c0
R13: dffffc0000000000 R14: ffffea00018e49c8 R15: 0000000000000004
FS:  000055556909a500(0000) GS:ffff888125567000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff87061ff8 CR3: 00000000885bb000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 filemap_add_folio+0x264/0x530 mm/filemap.c:966
 ra_alloc_folio mm/readahead.c:456 [inline]
 page_cache_ra_order+0x6b5/0xeb0 mm/readahead.c:515
 do_sync_mmap_readahead+0x6ad/0x8e0 mm/filemap.c:3400
 filemap_fault+0x6e2/0x1320 mm/filemap.c:3549
 __do_fault+0x138/0x390 mm/memory.c:5363
 do_shared_fault mm/memory.c:5862 [inline]
 do_fault mm/memory.c:5936 [inline]
 do_pte_missing+0x5c4/0x3750 mm/memory.c:4477
 handle_pte_fault mm/memory.c:6316 [inline]
 __handle_mm_fault mm/memory.c:6454 [inline]
 handle_mm_fault+0x1bec/0x3310 mm/memory.c:6623
 do_user_addr_fault+0xa73/0x1340 arch/x86/mm/fault.c:1334
 handle_page_fault arch/x86/mm/fault.c:1474 [inline]
 exc_page_fault+0x6a/0xc0 arch/x86/mm/fault.c:1527
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
RIP: 0033:0x7fadf8b6adc8
Code: fc 89 37 c3 c5 fa 6f 06 c5 fa 6f 4c 16 f0 c5 fa 7f 07 c5 fa 7f 4c 17 f0 c3 66 0f 1f 84 00 00 00 00 00 48 8b 4c 16 f8 48 8b 36 <48> 89 37 48 89 4c 17 f8 c3 c5 fe 6f 54 16 e0 c5 fe 6f 5c 16 c0 c5
RSP: 002b:00007ffeb9e8dee8 EFLAGS: 00010202
RAX: 0000200000000040 RBX: 0000000000000004 RCX: 0070756f7267632f
RDX: 0000000000000009 RSI: 70756f7267632f2e RDI: 0000200000000040
RBP: fffffffffffffffe R08: 0000001b2c820000 R09: 0000000000000001
R10: 7ffffffffffffff6 R11: 0000000000000009 R12: 00007ffeb9e8e010
R13: 00007fadf8e1618c R14: 00000000000f7202 R15: 00007fadf8e16180
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0x11bc/0x1350 mm/filemap.c:858
Code: 57 c5 ff 4c 89 e7 48 c7 c6 20 a5 d7 8b e8 cc e4 27 ff 90 0f 0b e8 b4 57 c5 ff 4c 89 e7 48 c7 c6 c0 99 d7 8b e8 b5 e4 27 ff 90 <0f> 0b e8 9d 57 c5 ff 4c 89 e7 48 c7 c6 20 a5 d7 8b e8 9e e4 27 ff
RSP: 0018:ffffc90003b475c0 EFLAGS: 00010246

RAX: 432905fc99ebe000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8def225c RDI: 00000000ffffffff
RBP: ffffc90003b47740 R08: ffffffff90117db7 R09: 1ffffffff2022fb6
R10: dffffc0000000000 R11: fffffbfff2022fb7 R12: ffffea00018e49c0
R13: dffffc0000000000 R14: ffffea00018e49c8 R15: 0000000000000004
FS:  000055556909a500(0000) GS:ffff888125567000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff87061ff8 CR3: 00000000885bb000 CR4: 0000000000350ef0