syzbot

 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
------------[ cut here ]------------
kernel BUG at fs/btrfs/extent_io.c:939!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4022 Comm: syz-executor788 Not tainted 5.15.185-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : set_state_bits+0x370/0x374 fs/btrfs/extent_io.c:939
lr : set_state_bits+0x370/0x374 fs/btrfs/extent_io.c:939
sp : ffff80001f0b7520
x29: ffff80001f0b7520 x28: ffff0000de798a90 x27: 0000000000001000
x26: dfff800000000000 x25: 0000000000000001 x24: 0000000000000107
x23: 0000000000000000 x22: 0000000000001fff x21: 0000000000001000
x20: 00000000fffffff4 x19: ffff0000c8d0f4b0 x18: 0000000000000002
x17: 0000000000000000 x16: ffff8000111a97c4 x15: 00000000ffffffff
x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100
x11: 0000000000000001 x10: 0000000000000000 x9 : ffff800009ed32e0
x8 : ffff0000c1f0b680 x7 : 0000000000000000 x6 : 0000000000000001
x5 : ffff80001f0b6a78 x4 : 0000000000000100 x3 : 0000000000000a20
x2 : 0000000000000038 x1 : 00000000fffffff4 x0 : 0000000000000000
Call trace:
 set_state_bits+0x370/0x374 fs/btrfs/extent_io.c:939
 insert_state fs/btrfs/extent_io.c:572 [inline]
 set_extent_bit+0xdd8/0x13f4 fs/btrfs/extent_io.c:1022
 set_record_extent_bits+0x70/0x94 fs/btrfs/extent_io.c:1422
 qgroup_reserve_data+0x20c/0x81c fs/btrfs/qgroup.c:3727
 btrfs_qgroup_reserve_data+0x40/0xec fs/btrfs/qgroup.c:3770
 btrfs_check_data_free_space+0x208/0x2f4 fs/btrfs/delalloc-space.c:145
 btrfs_buffered_write+0x37c/0xccc fs/btrfs/file.c:1728
 btrfs_file_write_iter+0x19c/0xbe8 fs/btrfs/file.c:2094
 call_write_iter include/linux/fs.h:2172 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0x7c8/0xa2c fs/read_write.c:594
 ksys_write+0x120/0x210 fs/read_write.c:647
 __do_sys_write fs/read_write.c:659 [inline]
 __se_sys_write fs/read_write.c:656 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:656
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: 97a5e44c f9400fa8 17ffff50 979695d0 (d4210000) 
---[ end trace 54abee02aeaa9ba9 ]---