BTRFS info (device loop7): block group 1048576 has 4194304 bytes, 4096 used 0 pinned 0 reserved 0 zone_unusable [readonly] BTRFS info (device loop7): block group has cluster?: no BTRFS info (device loop7): 0 blocks of free space at or bigger than bytes is ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6504 at fs/btrfs/block-group.c:3688 do_chunk_alloc fs/btrfs/block-group.c:3688 [inline] WARNING: CPU: 1 PID: 6504 at fs/btrfs/block-group.c:3688 btrfs_chunk_alloc+0xd5c/0xfa4 fs/btrfs/block-group.c:3930 Modules linked in: CPU: 1 PID: 6504 Comm: syz.7.448 Not tainted 6.1.128-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : do_chunk_alloc fs/btrfs/block-group.c:3688 [inline] pc : btrfs_chunk_alloc+0xd5c/0xfa4 fs/btrfs/block-group.c:3930 lr : do_chunk_alloc fs/btrfs/block-group.c:3688 [inline] lr : btrfs_chunk_alloc+0xd5c/0xfa4 fs/btrfs/block-group.c:3930 sp : ffff8000218364c0 x29: ffff800021836530 x28: ffff0000c39d4000 x27: 1fffe0001e86a413 x26: 1fffe0001be30744 x25: ffff0000df183a23 x24: dfff800000000000 x23: ffff0000df1839d8 x22: 0000000000000000 x21: 0000000000000000 x20: ffffffffffffffe4 x19: ffff0000f4352000 x18: 1fffe000367a0176 x17: ffff800015a8d000 x16: ffff80000830159c x15: ffff0001b3d00bbc x14: 1ffff00002b520b2 x13: dfff800000000000 x12: 0000000000000003 x11: 0000000000ff0100 x10: 0000000000000003 x9 : 22ea073cec819a00 x8 : 22ea073cec819a00 x7 : ffff800008277b18 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff80001248c5a0 x0 : ffff80019e31d000 Call trace: do_chunk_alloc fs/btrfs/block-group.c:3688 [inline] btrfs_chunk_alloc+0xd5c/0xfa4 fs/btrfs/block-group.c:3930 find_free_extent_update_loop fs/btrfs/extent-tree.c:4125 [inline] find_free_extent+0x3c70/0x48c0 fs/btrfs/extent-tree.c:4511 btrfs_reserve_extent+0x364/0x680 fs/btrfs/extent-tree.c:4604 cow_file_range+0x3e8/0xd0c fs/btrfs/inode.c:1276 btrfs_run_delalloc_range+0x568/0x1004 fs/btrfs/inode.c:2229 writepage_delalloc+0x1e0/0x470 fs/btrfs/extent_io.c:1972 __extent_writepage+0x5b8/0xd3c fs/btrfs/extent_io.c:2276 extent_write_cache_pages fs/btrfs/extent_io.c:3191 [inline] extent_writepages+0xa48/0x1254 fs/btrfs/extent_io.c:3313 btrfs_writepages+0x28/0x38 fs/btrfs/inode.c:8298 do_writepages+0x2e8/0x56c mm/page-writeback.c:2491 filemap_fdatawrite_wbc+0x124/0x174 mm/filemap.c:388 __filemap_fdatawrite_range mm/filemap.c:421 [inline] filemap_fdatawrite_range+0x150/0x1c0 mm/filemap.c:439 btrfs_fdatawrite_range fs/btrfs/file.c:3877 [inline] start_ordered_ops+0xec/0x228 fs/btrfs/file.c:1744 btrfs_sync_file+0x3ec/0x1104 fs/btrfs/file.c:1827 vfs_fsync_range+0x168/0x188 fs/sync.c:188 generic_write_sync include/linux/fs.h:2962 [inline] btrfs_do_write_iter+0x91c/0x1108 fs/btrfs/file.c:1693 btrfs_file_write_iter+0x2c/0x3c fs/btrfs/file.c:1707 do_iter_write+0x534/0x964 fs/read_write.c:861 vfs_writev fs/read_write.c:934 [inline] do_pwritev+0x1ec/0x334 fs/read_write.c:1031 __do_sys_pwritev2 fs/read_write.c:1090 [inline] __se_sys_pwritev2 fs/read_write.c:1081 [inline] __arm64_sys_pwritev2+0xd4/0x108 fs/read_write.c:1081 __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+0x58/0x168 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 irq event stamp: 860 hardirqs last enabled at (859): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1367 [inline] hardirqs last enabled at (859): [] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:5000 hardirqs last disabled at (860): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (664): [] softirq_handle_end kernel/softirq.c:421 [inline] softirqs last enabled at (664): [] handle_softirqs+0xb84/0xd58 kernel/softirq.c:606 softirqs last disabled at (609): [] __do_softirq+0x14/0x20 kernel/softirq.c:612 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop7: state A): dumping space info: BTRFS info (device loop7: state A): space_info DATA+METADATA has 5734400 free, is not full BTRFS info (device loop7: state A): space_info total=7405568, used=61440, pinned=0, reserved=0, may_use=1609728, readonly=0 zone_unusable=0 BTRFS info (device loop7: state A): space_info SYSTEM has -98304 free, is not full BTRFS info (device loop7: state A): space_info total=4194304, used=4096, pinned=0, reserved=0, may_use=98304, readonly=4190208 zone_unusable=0 BTRFS info (device loop7: state A): global_block_rsv: size 1441792 reserved 1441792 BTRFS info (device loop7: state A): trans_block_rsv: size 0 reserved 0 BTRFS info (device loop7: state A): chunk_block_rsv: size 98304 reserved 98304 BTRFS info (device loop7: state A): delayed_block_rsv: size 0 reserved 0 BTRFS info (device loop7: state A): delayed_refs_rsv: size 131072 reserved 0 BTRFS: error (device loop7: state A) in do_chunk_alloc:3688: errno=-28 No space left BTRFS info (device loop7: state EA): forced readonly BTRFS error (device loop7: state EA): allocation failed flags 33, wanted 4096 tree-log 0, relocation: 0 BTRFS info (device loop7: state EA): space_info DATA+METADATA has 5738496 free, is full BTRFS info (device loop7: state EA): space_info total=7405568, used=61440, pinned=0, reserved=0, may_use=1605632, readonly=0 zone_unusable=0 BTRFS info (device loop7: state EA): global_block_rsv: size 1441792 reserved 1437696 BTRFS info (device loop7: state EA): trans_block_rsv: size 0 reserved 0 BTRFS info (device loop7: state EA): chunk_block_rsv: size 0 reserved 0 BTRFS info (device loop7: state EA): delayed_block_rsv: size 0 reserved 0 BTRFS info (device loop7: state EA): delayed_refs_rsv: size 0 reserved 0 BTRFS info (device loop7: state EA): block group 5242880 has 1638400 bytes, 61440 used 0 pinned 0 reserved 0 zone_unusable BTRFS critical (device loop7: state EA): entry offset 5251072, bytes 4096, bitmap no BTRFS critical (device loop7: state EA): entry offset 5259264, bytes 8192, bitmap no BTRFS critical (device loop7: state EA): entry offset 5271552, bytes 16384, bitmap no BTRFS critical (device loop7: state EA): entry offset 5316608, bytes 28672, bitmap no BTRFS critical (device loop7: state EA): entry offset 5361664, bytes 1519616, bitmap no BTRFS info (device loop7: state EA): block group has cluster?: no BTRFS info (device loop7: state EA): 5 blocks of free space at or bigger than bytes is BTRFS info (device loop7: state EA): block group 6881280 has 1638400 bytes, 0 used 0 pinned 0 reserved 0 zone_unusable BTRFS critical (device loop7: state EA): entry offset 6881280, bytes 1638400, bitmap no BTRFS info (device loop7: state EA): block group has cluster?: no BTRFS info (device loop7: state EA): 1 blocks of free space at or bigger than bytes is BTRFS info (device loop7: state EA): block group 8519680 has 4128768 bytes, 0 used 0 pinned 0 reserved 0 zone_unusable BTRFS critical (device loop7: state EA): entry offset 8531968, bytes 4116480, bitmap no BTRFS info (device loop7: state EA): block group has cluster?: no BTRFS info (device loop7: state EA): 1 blocks of free space at or bigger than bytes is