------------[ cut here ]------------ WARNING: CPU: 0 PID: 4732 at fs/btrfs/block-group.c:3688 do_chunk_alloc fs/btrfs/block-group.c:3688 [inline] WARNING: CPU: 0 PID: 4732 at fs/btrfs/block-group.c:3688 btrfs_chunk_alloc+0xd5c/0xfa4 fs/btrfs/block-group.c:3930 Modules linked in: CPU: 0 PID: 4732 Comm: kworker/u4:8 Not tainted 6.1.115-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: events_unbound btrfs_async_reclaim_data_space 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 : ffff800021ed7890 x29: ffff800021ed7900 x28: ffff0000eda01000 x27: 1fffe0001b3b5513 x26: 1fffe0001e2d62b1 x25: ffff0000f16b158b x24: dfff800000000000 x23: ffff0000f16b1540 x22: 0000000000000000 x21: 0000000000000000 x20: ffffffffffffffe4 x19: ffff0000d9daa800 x18: ffff800021ed6c80 x17: 0000000000000000 x16: ffff80001229a1fc x15: 0000000000000000 x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000000001 x11: 0000000000ff0100 x10: 0000000000000000 x9 : 3d2ee3a7e58fe600 x8 : 3d2ee3a7e58fe600 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800021ed7178 x4 : ffff800015ab3880 x3 : ffff80000858b24c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: do_chunk_alloc fs/btrfs/block-group.c:3688 [inline] btrfs_chunk_alloc+0xd5c/0xfa4 fs/btrfs/block-group.c:3930 flush_space+0x8c4/0xdb8 fs/btrfs/space-info.c:766 btrfs_async_reclaim_data_space+0xf8/0x410 fs/btrfs/space-info.c:1296 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2292 worker_thread+0x8e4/0xfec kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864 irq event stamp: 3168466 hardirqs last enabled at (3168465): [] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:261 hardirqs last disabled at (3168466): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (3167776): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (3167776): [] batadv_nc_purge_paths+0x2f4/0x378 net/batman-adv/network-coding.c:471 softirqs last disabled at (3167774): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (3167774): [] batadv_nc_purge_paths+0xd0/0x378 net/batman-adv/network-coding.c:442 ---[ end trace 0000000000000000 ]--- BTRFS info (device loop2: state A): dumping space info: BTRFS info (device loop2: state A): space_info DATA+METADATA has 1318912 free, is not full BTRFS info (device loop2: state A): space_info total=11534336, used=53248, pinned=0, reserved=12288, may_use=10149888, readonly=0 zone_unusable=0 BTRFS info (device loop2: state A): space_info SYSTEM has -98304 free, is not full BTRFS info (device loop2: state A): space_info total=4194304, used=4096, pinned=0, reserved=0, may_use=98304, readonly=4190208 zone_unusable=0 BTRFS info (device loop2: state A): global_block_rsv: size 1441792 reserved 1441792 BTRFS info (device loop2: state A): trans_block_rsv: size 0 reserved 0 BTRFS info (device loop2: state A): chunk_block_rsv: size 98304 reserved 98304 BTRFS info (device loop2: state A): delayed_block_rsv: size 98304 reserved 98304 BTRFS info (device loop2: state A): delayed_refs_rsv: size 917504 reserved 217088 BTRFS: error (device loop2: state A) in do_chunk_alloc:3688: errno=-28 No space left BTRFS info (device loop2: state EA): forced readonly BTRFS: error (device loop2: state EA) in btrfs_create_pending_block_groups:2542: errno=-28 No space left wlan0: Trigger new scan to find an IBSS to join IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready