syzbot

 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x138 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
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kernel BUG at fs/btrfs/extent-io-tree.c:381!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4465 Comm: syz.0.17 Not tainted 6.1.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
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 : ffff800020e770a0
x29: ffff800020e770a0 x28: ffff0000e9ad8a60 x27: 0000000000000000
x26: dfff800000000000 x25: 0000000000000fff x24: 00000000fffffff4
x23: 0000000000001000 x22: 0000000000000000 x21: ffff0000e9ad8a60
x20: ffff0000e9ad8a60 x19: ffff0000d2d30e40 x18: 0000000000000000
x17: 0000000000000000 x16: ffff8000082d2370 x15: 0000000000000000
x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000ff0100
x11: ff0080000a149658 x10: 0000000000000000 x9 : ffff80000a149658
x8 : ffff0000d0d69bc0 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+0x1388/0x18f8 fs/btrfs/extent-io-tree.c:1000
 set_record_extent_bits+0x68/0x98 fs/btrfs/extent-io-tree.c:1607
 qgroup_reserve_data+0x20c/0x8a4 fs/btrfs/qgroup.c:3795
 btrfs_qgroup_reserve_data+0x40/0xec fs/btrfs/qgroup.c:3838
 btrfs_check_data_free_space+0x12c/0x208 fs/btrfs/delalloc-space.c:152
 btrfs_delalloc_reserve_space+0x4c/0x1ec fs/btrfs/delalloc-space.c:470
 btrfs_page_mkwrite+0x32c/0xb78 fs/btrfs/inode.c:8599
 do_page_mkwrite+0x13c/0x358 mm/memory.c:3011
 wp_page_shared+0x148/0x550 mm/memory.c:3360
 do_wp_page+0xca0/0xef0 mm/memory.c:3510
 handle_pte_fault mm/memory.c:5049 [inline]
 __handle_mm_fault mm/memory.c:5173 [inline]
 handle_mm_fault+0x133c/0x2fd4 mm/memory.c:5294
 __do_page_fault arch/arm64/mm/fault.c:499 [inline]
 do_page_fault+0x310/0x99c arch/arm64/mm/fault.c:583
 do_mem_abort+0x70/0x194 arch/arm64/mm/fault.c:803
 el1_abort+0x3c/0x5c arch/arm64/kernel/entry-common.c:367
 el1h_64_sync_handler+0x80/0xcc arch/arm64/kernel/entry-common.c:427
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:580
 __uaccess_mask_ptr arch/arm64/include/asm/uaccess.h:217 [inline]
 move_addr_to_user+0x2d0/0x40c net/socket.c:297
 __sys_getsockname+0x1d0/0x278 net/socket.c:2065
 __do_sys_getsockname net/socket.c:2076 [inline]
 __se_sys_getsockname net/socket.c:2073 [inline]
 __arm64_sys_getsockname+0x7c/0x94 net/socket.c:2073
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x138 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 979e342e 17ffffa0 978d613c (d4210000) 
---[ end trace 0000000000000000 ]---