raw: 05ffc0000000402c fffffdffc35524c8 ffff0000d748a020 ffff0000efa867f8
raw: 0000000000000000 0000000000000001 00000003ffffffff ffff0000d022e000
page dumped because: VM_BUG_ON_FOLIO(!folio_test_locked(folio))
------------[ cut here ]------------
kernel BUG at mm/filemap.c:1507!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 7814 Comm: syz.3.309 Not tainted 6.10.0-rc7-syzkaller-gc912bf709078 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : folio_unlock+0x128/0x164 mm/filemap.c:1507
lr : folio_unlock+0x128/0x164 mm/filemap.c:1507
sp : ffff80009b6370a0
x29: ffff80009b6370a0 x28: 0000000000000001 x27: fffffdffc37eee08
x26: dfff800000000000 x25: ffff0000efa865d0 x24: fffffdffc37eee00
x23: 05ffc0000000402c x22: 1fffffbff86fddc1 x21: dfff800000000000
x20: fffffdffc37eee08 x19: fffffdffc37eee00 x18: 0000000000000000
x17: 0000000000000000 x16: ffff800082f95f34 x15: 0000000000000001
x14: 1ffff000136c6d1c x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000000001 x10: 0000000000ff0100 x9 : 72b982a6c3738600
x8 : 72b982a6c3738600 x7 : ffff8000802a3bb0 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff800082f21344
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000003f
Call trace:
 folio_unlock+0x128/0x164 mm/filemap.c:1507
 unlock_page+0x58/0x74 mm/folio-compat.c:21
 __extent_writepage fs/btrfs/extent_io.c:1519 [inline]
 extent_write_cache_pages fs/btrfs/extent_io.c:2173 [inline]
 btrfs_writepages+0x1870/0x1fc8 fs/btrfs/extent_io.c:2294
 do_writepages+0x2f8/0x7c4 mm/page-writeback.c:2656
 filemap_fdatawrite_wbc+0x124/0x174 mm/filemap.c:397
 __filemap_fdatawrite_range mm/filemap.c:430 [inline]
 __filemap_fdatawrite mm/filemap.c:436 [inline]
 filemap_flush+0xd0/0x11c mm/filemap.c:463
 btrfs_remap_file_range_prep fs/btrfs/reflink.c:834 [inline]
 btrfs_remap_file_range+0x3e4/0xe64 fs/btrfs/reflink.c:880
 vfs_copy_file_range+0xdf8/0x1248 fs/read_write.c:1522
 __do_sys_copy_file_range fs/read_write.c:1612 [inline]
 __se_sys_copy_file_range fs/read_write.c:1575 [inline]
 __arm64_sys_copy_file_range+0x468/0x68c fs/read_write.c:1575
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:131
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:150
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
Code: 90055a21 913b8021 aa1303e0 94035ef1 (d4210000) 
---[ end trace 0000000000000000 ]---