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 ------------[ 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: 8816 Comm: syz.3.659 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : set_state_bits fs/btrfs/extent-io-tree.c:381 [inline] pc : __set_extent_bit+0x166c/0x18f8 fs/btrfs/extent-io-tree.c:1022 lr : set_state_bits fs/btrfs/extent-io-tree.c:381 [inline] lr : __set_extent_bit+0x166c/0x18f8 fs/btrfs/extent-io-tree.c:1022 sp : ffff800020bd7640 x29: ffff800020bd7790 x28: 1fffe0001f0b1b8f x27: 0000000000000000 x26: ffff0000f858dc00 x25: ffff0000d8dfd300 x24: 00000000fffffff4 x23: 000000000001f000 x22: 000000000001ffff x21: 000000000001ffff x20: dfff800000000000 x19: ffff0000f858dc7c x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000082d25ac x15: 0000000000000000 x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000ff0100 x11: ff0080000a14e488 x10: 0000000000000000 x9 : ffff80000a14e488 x8 : ffff0000dd46d340 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] __set_extent_bit+0x166c/0x18f8 fs/btrfs/extent-io-tree.c:1022 set_record_extent_bits+0x68/0x98 fs/btrfs/extent-io-tree.c:1607 qgroup_reserve_data+0x20c/0x8a4 fs/btrfs/qgroup.c:3812 btrfs_qgroup_reserve_data+0x40/0xec fs/btrfs/qgroup.c:3855 btrfs_check_data_free_space+0x12c/0x208 fs/btrfs/delalloc-space.c:152 btrfs_truncate_block+0x184/0xe48 fs/btrfs/inode.c:4965 btrfs_fallocate+0x5cc/0x169c fs/btrfs/file.c:3124 vfs_fallocate+0x4a4/0x5f4 fs/open.c:323 ksys_fallocate fs/open.c:346 [inline] __do_sys_fallocate fs/open.c:354 [inline] __se_sys_fallocate fs/open.c:352 [inline] __arm64_sys_fallocate+0xc0/0x110 fs/open.c:352 __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: 12800203 95dd390e d4210000 978d4dff (d4210000) ---[ end trace 0000000000000000 ]---