el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 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:585
------------[ cut here ]------------
kernel BUG at fs/btrfs/extent-io-tree.c:381!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 6951 Comm: syz.6.654 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026
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+0x220/0x224 fs/btrfs/extent-io-tree.c:439
lr : set_state_bits fs/btrfs/extent-io-tree.c:381 [inline]
lr : insert_state_fast+0x220/0x224 fs/btrfs/extent-io-tree.c:439
sp : ffff800021cf7420
x29: ffff800021cf7420 x28: ffff0000fc1b3a80 x27: 0000000000000000
x26: dfff800000000000 x25: 0000000000000fff x24: 00000000fffffff4
x23: 0000000000001000 x22: 0000000000000000 x21: ffff0000fc1b3a80
x20: ffff0000fc1b3a80 x19: ffff0000db94b000 x18: 0000000000000000
x17: 0000000000000000 x16: ffff800011a529a8 x15: 0000000000000000
x14: 0000000000000001 x13: 1ffff00002a9efba x12: 0000000000ff0100
x11: ff0080000a18f718 x10: 0000000000000000 x9 : ffff80000a18f718
x8 : ffff0000e6de1c00 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+0x220/0x224 fs/btrfs/extent-io-tree.c:439
 __set_extent_bit+0x13f4/0x1964 fs/btrfs/extent-io-tree.c:1000
 set_record_extent_bits+0x68/0x98 fs/btrfs/extent-io-tree.c:1607
 qgroup_reserve_data+0x20c/0x8d4 fs/btrfs/qgroup.c:3817
 btrfs_qgroup_reserve_data+0x40/0xec fs/btrfs/qgroup.c:3860
 btrfs_check_data_free_space+0x12c/0x208 fs/btrfs/delalloc-space.c:152
 btrfs_buffered_write+0x3b0/0xe04 fs/btrfs/file.c:1240
 btrfs_do_write_iter+0x354/0x10ac fs/btrfs/file.c:1684
 btrfs_file_write_iter+0x2c/0x3c fs/btrfs/file.c:1705
 call_write_iter include/linux/fs.h:2265 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x3ec/0x7f0 fs/read_write.c:584
 ksys_write+0x12c/0x224 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+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 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:585
Code: aa1903e0 979d6291 17ffffa0 978c72f4 (d4210000) 
---[ end trace 0000000000000000 ]---