------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 1 PID: 12026 at fs/btrfs/block-group.c:3990 do_chunk_alloc fs/btrfs/block-group.c:3990 [inline] WARNING: CPU: 1 PID: 12026 at fs/btrfs/block-group.c:3990 btrfs_chunk_alloc+0xf4d/0x1150 fs/btrfs/block-group.c:4231 Modules linked in: CPU: 1 UID: 0 PID: 12026 Comm: syz.8.1257 Not tainted 6.16.0-rc2-syzkaller-00378-gb67ec639010f #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:do_chunk_alloc fs/btrfs/block-group.c:3990 [inline] RIP: 0010:btrfs_chunk_alloc+0xf4d/0x1150 fs/btrfs/block-group.c:4231 Code: 48 c7 c6 c0 b2 cf 8b 44 89 f2 e8 8e 41 42 fd e9 b5 fc ff ff e8 84 75 d8 fd 90 48 c7 c7 60 b2 cf 8b 44 89 f6 e8 54 1f 9c fd 90 <0f> 0b 90 90 e9 96 fc ff ff e8 65 75 d8 fd eb 05 e8 5e 75 d8 fd 48 RSP: 0018:ffffc900048bf210 EFLAGS: 00010246 RAX: 2a4e684643b20b00 RBX: 0000000000000000 RCX: 0000000000080000 RDX: ffffc9000ee34000 RSI: 00000000000060fa RDI: 00000000000060fb RBP: 00000000ffffff01 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfaa04 R12: ffff888052391250 R13: ffff88802fc96000 R14: ffffffffffffffe4 R15: ffff888051340000 FS: 00007f41dce8d6c0(0000) GS:ffff888125d51000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff5dc903c10 CR3: 000000005f9e4000 CR4: 0000000000350ef0 Call Trace: find_free_extent_update_loop fs/btrfs/extent-tree.c:4193 [inline] find_free_extent+0x4bb2/0x5810 fs/btrfs/extent-tree.c:4618 btrfs_reserve_extent+0x2fd/0x670 fs/btrfs/extent-tree.c:4712 btrfs_alloc_tree_block+0x1e7/0x12b0 fs/btrfs/extent-tree.c:5165 btrfs_force_cow_block+0x575/0x1e10 fs/btrfs/ctree.c:506 btrfs_cow_block+0x40a/0x830 fs/btrfs/ctree.c:688 btrfs_search_slot+0xcd7/0x2d90 fs/btrfs/ctree.c:2088 btrfs_update_root+0xf2/0xbf0 fs/btrfs/root-tree.c:144 _btrfs_ioctl_set_received_subvol+0x565/0xae0 fs/btrfs/ioctl.c:4047 btrfs_ioctl_set_received_subvol+0x8d/0x100 fs/btrfs/ioctl.c:4131 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f41dbf8e929 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f41dce8d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f41dc1b6080 RCX: 00007f41dbf8e929 RDX: 0000200000000000 RSI: 00000000c0c89425 RDI: 0000000000000008 RBP: 00007f41dc010b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f41dc1b6080 R15: 00007ffe84bd1cb8