entry_SYSCALL_64_after_hwframe+0x77/0x7f
------------[ cut here ]------------
kernel BUG at mm/filemap.c:868!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 7241 Comm: syz.6.284 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:__filemap_add_folio+0x11ad/0x12f0 mm/filemap.c:867
Code: 4d c9 ff 4c 89 e7 48 c7 c6 e0 3b 94 8b e8 ab 9a 31 ff 90 0f 0b e8 73 4d c9 ff 4c 89 e7 48 c7 c6 c0 32 94 8b e8 94 9a 31 ff 90 <0f> 0b e8 5c 4d c9 ff 4c 89 e7 48 c7 c6 e0 3b 94 8b e8 7d 9a 31 ff
RSP: 0018:ffffc9000b0776a0 EFLAGS: 00010246
RAX: a50674187a1d4600 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8d9b9313 RDI: 00000000ffffffff
RBP: ffffc9000b077810 R08: ffffffff8fa3a037 R09: 1ffffffff1f47406
R10: dffffc0000000000 R11: fffffbfff1f47407 R12: ffffea00018ab380
R13: dffffc0000000000 R14: ffffea00018ab388 R15: 0000000000000002
FS:  000055555e105500(0000) GS:ffff888125d15000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000009e000 CR3: 00000000751c8000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 filemap_add_folio+0xd5/0x270 mm/filemap.c:969
 ra_alloc_folio mm/readahead.c:448 [inline]
 page_cache_ra_order+0x643/0xd40 mm/readahead.c:506
 do_sync_mmap_readahead+0x25e/0x7a0 mm/filemap.c:-1
 filemap_fault+0x62c/0x1200 mm/filemap.c:3445
 __do_fault+0x138/0x390 mm/memory.c:5152
 do_shared_fault mm/memory.c:5637 [inline]
 do_fault mm/memory.c:5711 [inline]
 do_pte_missing mm/memory.c:4234 [inline]
 handle_pte_fault mm/memory.c:6052 [inline]
 __handle_mm_fault+0x1847/0x5440 mm/memory.c:6195
 handle_mm_fault+0x40a/0x8e0 mm/memory.c:6364
 do_user_addr_fault+0xa81/0x1390 arch/x86/mm/fault.c:1336
 handle_page_fault arch/x86/mm/fault.c:1476 [inline]
 exc_page_fault+0x76/0xf0 arch/x86/mm/fault.c:1532
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7f149eb5616c
Code: 7c 10 8a 0e 74 0a 0f b7 74 16 fe 66 89 74 17 fe 88 0f c3 8b 4c 16 fc 8b 36 89 4c 17 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
RSP: 002b:00007ffef7d866f8 EFLAGS: 00010202
RAX: 00002000000004c0 RBX: 0000000000000004 RCX: 8000000000000012
RDX: 0000000000000012 RSI: 0000001b30b20324 RDI: 00002000000004c0
RBP: 00007f149edd7da0 R08: 0000001b30f20000 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000009 R12: 00007f149edd618c
R13: 00007ffef7d867f0 R14: fffffffffffffffe R15: 00007ffef7d86810
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0x11ad/0x12f0 mm/filemap.c:867
Code: 4d c9 ff 4c 89 e7 48 c7 c6 e0 3b 94 8b e8 ab 9a 31 ff 90 0f 0b e8 73 4d c9 ff 4c 89 e7 48 c7 c6 c0 32 94 8b e8 94 9a 31 ff 90 <0f> 0b e8 5c 4d c9 ff 4c 89 e7 48 c7 c6 e0 3b 94 8b e8 7d 9a 31 ff
RSP: 0018:ffffc9000b0776a0 EFLAGS: 00010246

RAX: a50674187a1d4600 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8d9b9313 RDI: 00000000ffffffff
RBP: ffffc9000b077810 R08: ffffffff8fa3a037 R09: 1ffffffff1f47406
R10: dffffc0000000000 R11: fffffbfff1f47407 R12: ffffea00018ab380
R13: dffffc0000000000 R14: ffffea00018ab388 R15: 0000000000000002
FS:  000055555e105500(0000) GS:ffff888125d15000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000a5000 CR3: 00000000751c8000 CR4: 0000000000350ef0