delayed_vfree_work+0x56/0x80 mm/vmalloc.c:3303
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xac5/0x18e0 kernel/workqueue.c:3319
 worker_thread+0x870/0xd50 kernel/workqueue.c:3400
 kthread+0x7b9/0x940 kernel/kthread.c:464
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
------------[ cut here ]------------
kernel BUG at mm/filemap.c:868!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 5975 Comm: syz-executor458 Not tainted 6.15.0-rc2-syzkaller-00493-gac71fabf1567 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:__filemap_add_folio+0x1554/0x16c0 mm/filemap.c:867
Code: e9 c5 ff 4c 89 e7 48 c7 c6 80 0e 54 8c e8 44 43 12 00 90 0f 0b e8 cc e9 c5 ff 4c 89 e7 48 c7 c6 00 05 54 8c e8 2d 43 12 00 90 <0f> 0b e8 b5 e9 c5 ff 4c 89 e7 48 c7 c6 80 0e 54 8c e8 16 43 12 00
RSP: 0018:ffffc90004237300 EFLAGS: 00010246
RAX: 9d50f91ac73bdd00 RBX: 0000000000000004 RCX: ffffffff93686020
RDX: dffffc0000000000 RSI: ffffffff8e6497f7 RDI: 0000000000000001
RBP: ffffc900042374b0 R08: ffffffff905fe577 R09: 1ffffffff20bfcae
R10: dffffc0000000000 R11: fffffbfff20bfcaf R12: ffffea0001e87480
R13: ffffc90004237400 R14: 0000000000000000 R15: dffffc0000000000
FS:  0000555579c22380(0000) GS:ffff88812509a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c5aeb64df8 CR3: 000000007a388000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 filemap_add_folio+0x157/0x380 mm/filemap.c:969
 page_cache_ra_unbounded+0x40c/0x820 mm/readahead.c:275
 do_sync_mmap_readahead+0x3e6/0x6c0 mm/filemap.c:-1
 filemap_fault+0x763/0x13d0 mm/filemap.c:3403
 __do_fault+0x137/0x390 mm/memory.c:5098
 do_shared_fault mm/memory.c:5582 [inline]
 do_fault mm/memory.c:5656 [inline]
 do_pte_missing mm/memory.c:4160 [inline]
 handle_pte_fault+0xfcc/0x61c0 mm/memory.c:5997
 __handle_mm_fault mm/memory.c:6140 [inline]
 handle_mm_fault+0x1129/0x1bf0 mm/memory.c:6309
 do_user_addr_fault arch/x86/mm/fault.c:1337 [inline]
 handle_page_fault arch/x86/mm/fault.c:1480 [inline]
 exc_page_fault+0x45b/0x920 arch/x86/mm/fault.c:1538
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7f6edb56493b
Code: b3 00 48 c1 e6 2d 41 b8 13 00 00 00 bf 09 00 00 00 e8 29 13 03 00 bf 10 00 00 00 ba 71 12 08 40 48 b8 00 01 00 00 00 20 00 00 <48> c7 00 00 00 01 00 48 8b 35 87 77 0a 00 48 89 c1 31 c0 e8 fd 12
RSP: 002b:00007ffc13ac92d0 EFLAGS: 00010217
RAX: 0000200000000100 RBX: 0000000000000000 RCX: 00007f6edb595c69
RDX: 0000000040081271 RSI: 0000000000b36000 RDI: 0000000000000010
RBP: 00000000000f4240 R08: 0000000000000006 R09: 0000000000000000
R10: 0000000000000013 R11: 0000000000000216 R12: 00000000000157d7
R13: 00007ffc13ac92ec R14: 00007ffc13ac9300 R15: 00007ffc13ac92f0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0x1554/0x16c0 mm/filemap.c:867
Code: e9 c5 ff 4c 89 e7 48 c7 c6 80 0e 54 8c e8 44 43 12 00 90 0f 0b e8 cc e9 c5 ff 4c 89 e7 48 c7 c6 00 05 54 8c e8 2d 43 12 00 90 <0f> 0b e8 b5 e9 c5 ff 4c 89 e7 48 c7 c6 80 0e 54 8c e8 16 43 12 00
RSP: 0018:ffffc90004237300 EFLAGS: 00010246
RAX: 9d50f91ac73bdd00 RBX: 0000000000000004 RCX: ffffffff93686020
RDX: dffffc0000000000 RSI: ffffffff8e6497f7 RDI: 0000000000000001
RBP: ffffc900042374b0 R08: ffffffff905fe577 R09: 1ffffffff20bfcae
R10: dffffc0000000000 R11: fffffbfff20bfcaf R12: ffffea0001e87480
R13: ffffc90004237400 R14: 0000000000000000 R15: dffffc0000000000
FS:  0000555579c22380(0000) GS:ffff88812509a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c5aeb64df8 CR3: 000000007a388000 CR4: 0000000000350ef0