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: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: 5745 Comm: syz.4.292 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 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 : ffff800022e27480 x29: ffff800022e27480 x28: 0000000000000000 x27: 0000000000000000 x26: dfff800000000000 x25: 0000000000010fff x24: 00000000fffffff4 x23: 0000000000001000 x22: 0000000000000000 x21: ffff0000f6c61da0 x20: ffff0000f6c61da0 x19: ffff0000f79699c0 x18: 0000000000000000 x17: 0000000000000000 x16: ffff800011bcec98 x15: 0000000000000000 x14: 0000000000000001 x13: 1ffff00002cdb012 x12: 0000000000000000 x11: ff0080000a224450 x10: 0000000000000000 x9 : ffff80000a224450 x8 : ffff0000dca61c00 x7 : 0000000000292ab0 x6 : 0000000000292a48 x5 : 00000000ffffffff x4 : 0000000000000a20 x3 : 0000000000000a20 x2 : 0000000000000038 x1 : 00000000fffffff4 x0 : 0000000000000000 dump_backtrace(regs = 00000000f9675743 tsk = 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: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:585 Code: 9101f260 979b53b3 17ffff9e 978a41b8 (d4210000) ---[ end trace 0000000000000000 ]---