__pfx_syscall_get_nr+0x0/0x10 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 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: 11530 Comm: syz.6.1811 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 80 84 74 8b e8 8a 89 2d ff 90 0f 0b e8 92 54 c7 ff 48 89 df 48 c7 c6 e0 7c 74 8b e8 73 89 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: 0018:ffffc900038b6888 EFLAGS: 00010246
RAX: d35aff38048c6500 RBX: ffffea00010254c0 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8d78e538 RDI: 00000000ffffffff
RBP: 0000000000000001 R08: ffffffff8f7de477 R09: 1ffffffff1efbc8e
R10: dffffc0000000000 R11: fffffbfff1efbc8f R12: 1ffffd4000204a99
R13: 1ffffd4000204a98 R14: ffffea00010254c8 R15: 0000000000000008
FS:  00007efde6e4a6c0(0000) GS:ffff888125fbc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000015000 CR3: 000000007eddc000 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_shared_fault mm/memory.c:5817 [inline]
 do_fault mm/memory.c:5891 [inline]
 do_pte_missing+0x6ad/0x3380 mm/memory.c:4399
 handle_pte_fault mm/memory.c:6232 [inline]
 __handle_mm_fault mm/memory.c:6379 [inline]
 handle_mm_fault+0x1b26/0x32a0 mm/memory.c:6548
 faultin_page mm/gup.c:1126 [inline]
 __get_user_pages+0x1650/0x29f0 mm/gup.c:1428
 __get_user_pages_locked mm/gup.c:1692 [inline]
 __gup_longterm_locked+0xde4/0x1660 mm/gup.c:2476
 gup_fast_fallback+0x1d6b/0x22d0 mm/gup.c:3220
 iov_iter_extract_user_pages lib/iov_iter.c:1751 [inline]
 iov_iter_extract_pages+0x35f/0x5e0 lib/iov_iter.c:1814
 __bio_iov_iter_get_pages block/bio.c:1235 [inline]
 bio_iov_iter_get_pages+0x499/0x1490 block/bio.c:1357
 iomap_dio_bio_iter+0xcdc/0x14c0 fs/iomap/direct-io.c:460
 iomap_dio_iter fs/iomap/direct-io.c:-1 [inline]
 __iomap_dio_rw+0xec2/0x1dc0 fs/iomap/direct-io.c:753
 iomap_dio_rw+0x45/0xb0 fs/iomap/direct-io.c:847
 xfs_file_dio_read+0x231/0x410 fs/xfs/xfs_file.c:245
 xfs_file_read_iter+0x2b7/0x510 fs/xfs/xfs_file.c:310
 new_sync_read fs/read_write.c:491 [inline]
 vfs_read+0x55a/0xa30 fs/read_write.c:572
 ksys_read+0x145/0x250 fs/read_write.c:715
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7efde5f8f6c9
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:00007efde6e4a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007efde61e5fa0 RCX: 00007efde5f8f6c9
RDX: 0000000000001000 RSI: 0000200000001400 RDI: 0000000000000004
RBP: 00007efde6011f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007efde61e6038 R14: 00007efde61e5fa0 R15: 00007fffdf7a6e68
 </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 80 84 74 8b e8 8a 89 2d ff 90 0f 0b e8 92 54 c7 ff 48 89 df 48 c7 c6 e0 7c 74 8b e8 73 89 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: 0018:ffffc900038b6888 EFLAGS: 00010246

RAX: d35aff38048c6500 RBX: ffffea00010254c0 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8d78e538 RDI: 00000000ffffffff
RBP: 0000000000000001 R08: ffffffff8f7de477 R09: 1ffffffff1efbc8e
R10: dffffc0000000000 R11: fffffbfff1efbc8f R12: 1ffffd4000204a99
R13: 1ffffd4000204a98 R14: ffffea00010254c8 R15: 0000000000000008
FS:  00007efde6e4a6c0(0000) GS:ffff888125ebc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f56003b3ad8 CR3: 000000007eddc000 CR4: 00000000003526f0