R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 000000000000000b R14: 00007fde0db9bf80 R15: 00007ffdfc6d43c8
 </TASK>
------------[ cut here ]------------
kernel BUG at fs/btrfs/extent-tree.c:3460!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5414 Comm: syz-executor.2 Not tainted 6.7.0-rc8-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:btrfs_free_tree_block+0x7e4/0xbe0 fs/btrfs/extent-tree.c:3460
Code: fc fd 31 ff 89 c5 89 c6 e8 19 dd 13 fe 40 84 ed 0f 85 e6 fb ff ff e8 db e1 13 fe 90 0f 0b 90 e9 d8 fb ff ff e8 cd e1 13 fe 90 <0f> 0b e8 c5 e1 13 fe 49 8d 7c 24 30 48 b8 00 00 00 00 00 fc ff df
RSP: 0018:ffffc90022236e58 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff8880222a1258 RCX: ffffc90004401000
RDX: 0000000000040000 RSI: ffffffff83728333 RDI: 0000000000000005
RBP: 0000000000000007 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000fffffff4 R11: 0000000000000008 R12: ffff888064eee378
R13: ffff8880222a1260 R14: 00000000fffffff4 R15: 0000000000000001
FS:  00007fde0e8646c0(0000) GS:ffff88806b700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fde0db98000 CR3: 0000000026cf9000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 btrfs_force_cow_block+0xfe3/0x19e0 fs/btrfs/ctree.c:618
 btrfs_cow_block+0x2b6/0xb30 fs/btrfs/ctree.c:741
 btrfs_search_slot+0x11bd/0x2fd0 fs/btrfs/ctree.c:2095
 btrfs_del_csums+0x30e/0xad0 fs/btrfs/file-item.c:889
 do_free_extent_accounting fs/btrfs/extent-tree.c:2990 [inline]
 __btrfs_free_extent.isra.0+0x1092/0x2f70 fs/btrfs/extent-tree.c:3379
 run_delayed_data_ref fs/btrfs/extent-tree.c:1613 [inline]
 run_one_delayed_ref fs/btrfs/extent-tree.c:1803 [inline]
 btrfs_run_delayed_refs_for_head fs/btrfs/extent-tree.c:2064 [inline]
 __btrfs_run_delayed_refs+0x1161/0x3f20 fs/btrfs/extent-tree.c:2134
 btrfs_run_delayed_refs+0x1a6/0x330 fs/btrfs/extent-tree.c:2246
 btrfs_commit_transaction+0x783/0x3b40 fs/btrfs/transaction.c:2235
 btrfs_sync_file+0xfa9/0x1320 fs/btrfs/file.c:2004
 btrfs_remap_file_range+0xa8c/0xfb0 fs/btrfs/reflink.c:927
 do_clone_file_range+0x2b3/0x860 fs/remap_range.c:396
 vfs_clone_file_range+0xbe/0x5b0 fs/remap_range.c:414
 ioctl_file_clone fs/ioctl.c:240 [inline]
 ioctl_file_clone_range fs/ioctl.c:259 [inline]
 do_vfs_ioctl+0x93d/0x1920 fs/ioctl.c:824
 __do_sys_ioctl fs/ioctl.c:869 [inline]
 __se_sys_ioctl fs/ioctl.c:857 [inline]
 __x64_sys_ioctl+0x112/0x210 fs/ioctl.c:857
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fde0da7cce9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fde0e8640c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fde0db9bf80 RCX: 00007fde0da7cce9
RDX: 0000000020000000 RSI: 000000004020940d RDI: 0000000000000005
RBP: 00007fde0e864120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 000000000000000b R14: 00007fde0db9bf80 R15: 00007ffdfc6d43c8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:btrfs_free_tree_block+0x7e4/0xbe0 fs/btrfs/extent-tree.c:3460
Code: fc fd 31 ff 89 c5 89 c6 e8 19 dd 13 fe 40 84 ed 0f 85 e6 fb ff ff e8 db e1 13 fe 90 0f 0b 90 e9 d8 fb ff ff e8 cd e1 13 fe 90 <0f> 0b e8 c5 e1 13 fe 49 8d 7c 24 30 48 b8 00 00 00 00 00 fc ff df
RSP: 0018:ffffc90022236e58 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff8880222a1258 RCX: ffffc90004401000
RDX: 0000000000040000 RSI: ffffffff83728333 RDI: 0000000000000005
RBP: 0000000000000007 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000fffffff4 R11: 0000000000000008 R12: ffff888064eee378
R13: ffff8880222a1260 R14: 00000000fffffff4 R15: 0000000000000001
FS:  00007fde0e8646c0(0000) GS:ffff88806b600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30f2c000 CR3: 0000000026cf9000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400