el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x12c arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:589
------------[ cut here ]------------
kernel BUG at fs/btrfs/extent-io-tree.c:381!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4749 Comm: syz.3.62 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : set_state_bits fs/btrfs/extent-io-tree.c:381 [inline]
pc : insert_state_fast+0x228/0x22c fs/btrfs/extent-io-tree.c:439
lr : set_state_bits fs/btrfs/extent-io-tree.c:381 [inline]
lr : insert_state_fast+0x228/0x22c fs/btrfs/extent-io-tree.c:439
sp : ffff8000222d7480
x29: ffff8000222d7480 x28: 0000000000000000 x27: 0000000000000000
x26: dfff800000000000 x25: 0000000000015fff x24: 00000000fffffff4
x23: 0000000000001000 x22: 0000000000000000 x21: ffff0000f6b5ba80
x20: ffff0000f6b5ba80 x19: ffff0000f1e13300 x18: 0000000000000000
x17: 0000000000000000 x16: ffff800011ba16d0 x15: 0000000000000000
x14: 0000000000000001 x13: 1ffff00002cd3066 x12: 0000000000000000
x11: ff0080000a1cdd08 x10: 0000000000000000 x9 : ffff80000a1cdd08
x8 : ffff0000da09d400 x7 : 0000000000000001 x6 : 0000000000000001
x5 : 00000000ffffffff x4 : 0000000000000a20 x3 : 0000000000000a20
x2 : 0000000000000038 x1 : 00000000fffffff4 x0 : 0000000000000000
Call trace:
 set_state_bits fs/btrfs/extent-io-tree.c:381 [inline]
 insert_state_fast+0x228/0x22c fs/btrfs/extent-io-tree.c:439
 __set_extent_bit+0x1338/0x189c fs/btrfs/extent-io-tree.c:1000
 set_record_extent_bits+0x68/0x98 fs/btrfs/extent-io-tree.c:1607
 qgroup_reserve_data+0x214/0x8c0 fs/btrfs/qgroup.c:3819
 btrfs_qgroup_reserve_data+0x40/0xd8 fs/btrfs/qgroup.c:3862
 btrfs_check_data_free_space+0x12c/0x208 fs/btrfs/delalloc-space.c:152
 btrfs_buffered_write+0x3b0/0xe1c fs/btrfs/file.c:1225
 btrfs_do_write_iter+0x290/0x1094 fs/btrfs/file.c:1657
 btrfs_file_write_iter+0x2c/0x3c fs/btrfs/file.c:1678
 call_write_iter include/linux/fs.h:2271 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x3c8/0x7c8 fs/read_write.c:584
 ksys_write+0x12c/0x228 fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:646
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x12c arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:589
Code: 9101f260 979cb956 17ffff9e 978ba1ec (d4210000) 
---[ end trace 0000000000000000 ]---