el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 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: 4895 Comm: syz.4.101 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
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+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 : ffff800020d974e0
x29: ffff800020d974e0 x28: 0000000000001000 x27: 0000000000001000
x26: dfff800000000000 x25: 000000000000ffff x24: 00000000fffffff4
x23: 0000000000001000 x22: ffff0000f9c8cc10 x21: ffff0000f9c8cc18
x20: ffff0000e4649400 x19: ffff0000f5612d80 x18: 0000000000000000
x17: 0000000000000000 x16: ffff800011b90540 x15: 0000000000000000
x14: 0000000000000001 x13: 1ffff00002ac6fce x12: 0000000000000000
x11: ff0080000a218a64 x10: 0000000000000000 x9 : ffff80000a218a64
x8 : ffff0000d86f8000 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:3817
 btrfs_qgroup_reserve_data+0x40/0xd8 fs/btrfs/qgroup.c:3860
 btrfs_check_data_free_space+0x12c/0x208 fs/btrfs/delalloc-space.c:152
 btrfs_buffered_write+0x3a4/0xe28 fs/btrfs/file.c:1232
 btrfs_do_write_iter+0x290/0x1094 fs/btrfs/file.c:1676
 btrfs_file_write_iter+0x2c/0x3c fs/btrfs/file.c:1697
 call_write_iter include/linux/fs.h:2265 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x3c8/0x7c8 fs/read_write.c:584
 ksys_pwrite64 fs/read_write.c:699 [inline]
 __do_sys_pwrite64 fs/read_write.c:709 [inline]
 __se_sys_pwrite64 fs/read_write.c:706 [inline]
 __arm64_sys_pwrite64+0x178/0x210 fs/read_write.c:706
 __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+0x58/0x128 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: 9101f260 979b70d6 17ffff9e 978a6980 (d4210000) 
---[ end trace 0000000000000000 ]---