__fput+0x68e/0xa70 fs/file_table.c:476
 task_work_run+0x1d4/0x260 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:44 [inline]
 exit_to_user_mode_loop+0xff/0x4f0 kernel/entry/common.c:75
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]
 do_syscall_64+0x2e9/0xfa0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
------------[ cut here ]------------
kernel BUG at mm/filemap.c:1531!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 9884 Comm: syz.9.836 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:folio_end_read+0x22e/0x230 mm/filemap.c:1531
Code: 54 c7 ff 48 89 df 48 c7 c6 c0 84 74 8b e8 1a 93 2d ff 90 0f 0b e8 d2 54 c7 ff 48 89 df 48 c7 c6 20 7d 74 8b e8 03 93 2d ff 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa
RSP: 0000:ffffc9000bf27648 EFLAGS: 00010246
RAX: 36089a7713a3c700 RBX: ffffea000149e4c0 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8d78f926 RDI: 00000000ffffffff
RBP: 0000000000000001 R08: ffffffff8f7deb77 R09: 1ffffffff1efbd6e
R10: dffffc0000000000 R11: fffffbfff1efbd6f R12: 1ffffd4000293c99
R13: 1ffffd4000293c98 R14: ffffea000149e4c8 R15: 0000000000000008
FS:  00007fd1e105a6c0(0000) GS:ffff888125fb9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000000 CR3: 000000005a714000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 iomap_read_folio+0x373/0x580 fs/iomap/buffered-io.c:578
 iomap_bio_read_folio include/linux/iomap.h:598 [inline]
 xfs_vm_read_folio+0x9e/0xe0 fs/xfs/xfs_aops.c:745
 filemap_read_folio+0x117/0x380 mm/filemap.c:2496
 filemap_fault+0xbce/0x12b0 mm/filemap.c:3641
 __do_fault+0x138/0x390 mm/memory.c:5318
 do_read_fault mm/memory.c:5753 [inline]
 do_fault mm/memory.c:5887 [inline]
 do_pte_missing+0x2209/0x3380 mm/memory.c:4399
 handle_pte_fault mm/memory.c:6271 [inline]
 __handle_mm_fault mm/memory.c:6409 [inline]
 handle_mm_fault+0x1b48/0x32c0 mm/memory.c:6578
 do_user_addr_fault+0xa7c/0x1380 arch/x86/mm/fault.c:1336
 handle_page_fault arch/x86/mm/fault.c:1476 [inline]
 exc_page_fault+0x82/0x100 arch/x86/mm/fault.c:1532
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
RIP: 0033:0x7fd1e004e637
Code: 00 00 00 48 89 7c 24 f0 48 89 74 24 e8 48 89 54 24 e0 48 8b 4c 24 f0 48 8b 54 24 e8 48 8b 74 24 e0 8b 41 40 23 81 00 01 00 00 <f3> 0f 6f 06 c1 e0 06 48 01 d0 0f 11 00 f3 0f 6f 4e 10 0f 11 48 10
RSP: 002b:00007fd1e105a028 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007fd1e03e5fa0 RCX: 00007fd1e0f65000
RDX: 00007fd1de2f7000 RSI: 0000200000000000 RDI: 00007fd1e0f65000
RBP: 00007fd1e0213f91 R08: 0000000000000000 R09: 0000000000000000
R10: 00007fd1e0f65000 R11: 0000200000000000 R12: 0000000000000000
R13: 00007fd1e03e6038 R14: 00007fd1e03e5fa0 R15: 00007ffda2d66c48
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:folio_end_read+0x22e/0x230 mm/filemap.c:1531
Code: 54 c7 ff 48 89 df 48 c7 c6 c0 84 74 8b e8 1a 93 2d ff 90 0f 0b e8 d2 54 c7 ff 48 89 df 48 c7 c6 20 7d 74 8b e8 03 93 2d ff 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa
RSP: 0000:ffffc9000bf27648 EFLAGS: 00010246
RAX: 36089a7713a3c700 RBX: ffffea000149e4c0 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8d78f926 RDI: 00000000ffffffff
RBP: 0000000000000001 R08: ffffffff8f7deb77 R09: 1ffffffff1efbd6e
R10: dffffc0000000000 R11: fffffbfff1efbd6f R12: 1ffffd4000293c99
R13: 1ffffd4000293c98 R14: ffffea000149e4c8 R15: 0000000000000008
FS:  00007fd1e105a6c0(0000) GS:ffff888125fb9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000000 CR3: 000000005a714000 CR4: 00000000003526f0