RDX: 0000000000000000 RSI: 00000000c4009420 RDI: 0000000000000004 RBP: 00007fe7b665806b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fe7b6849038 R14: 00007fe7b6848fa0 R15: 00007ffea7aa00a8 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5177 at fs/btrfs/extent-tree.c:3083 __btrfs_free_extent+0x8b7/0x2190 fs/btrfs/extent-tree.c:3083 Modules linked in: CPU: 0 PID: 5177 Comm: syz.0.23 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:__btrfs_free_extent+0x8b7/0x2190 fs/btrfs/extent-tree.c:3083 Code: 00 00 fc ff df 48 8b 5c 24 10 0f 1f 44 00 00 e8 ff 1a 33 fe eb 16 e8 f8 1a 33 fe 48 c7 c7 e0 e1 6a 8a 44 89 ee e8 59 21 71 06 <0f> 0b 4c 89 f7 48 c7 c6 60 ef 6a 8a ba 0b 0c 00 00 44 89 e9 e8 50 RSP: 0018:ffffc9000360f400 EFLAGS: 00010246 RAX: fe454a4d533a1700 RBX: ffff8880224890b0 RCX: ffff8880217f5940 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000360f560 R08: ffff8880b8e2795b R09: 1ffff110171c4f2b R10: dffffc0000000000 R11: ffffed10171c4f2c R12: dffffc0000000000 R13: 00000000fffffff4 R14: ffff8880714bc840 R15: ffff888024d43500 FS: 00007fe7b5c216c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe7b660e840 CR3: 0000000072d43000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: run_delayed_tree_ref fs/btrfs/extent-tree.c:1707 [inline] run_one_delayed_ref fs/btrfs/extent-tree.c:1731 [inline] btrfs_run_delayed_refs_for_head fs/btrfs/extent-tree.c:1977 [inline] __btrfs_run_delayed_refs+0xf4d/0x3920 fs/btrfs/extent-tree.c:2041 btrfs_run_delayed_refs+0x133/0x480 fs/btrfs/extent-tree.c:2172 btrfs_commit_transaction+0x23d/0x3580 fs/btrfs/transaction.c:2180 insert_balance_item+0xc88/0x16f0 fs/btrfs/volumes.c:3597 btrfs_balance+0xb50/0x1500 fs/btrfs/volumes.c:4494 btrfs_ioctl_balance+0x648/0x7e0 fs/btrfs/ioctl.c:4151 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl+0xfa/0x170 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fe7b65c1159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe7b5c21028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fe7b6848fa0 RCX: 00007fe7b65c1159 RDX: 0000000000000000 RSI: 00000000c4009420 RDI: 0000000000000004 RBP: 00007fe7b665806b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fe7b6849038 R14: 00007fe7b6848fa0 R15: 00007ffea7aa00a8