R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 000000000000006e R14: 00007f1cb339c050 R15: 00007ffc642ff4c8
 </TASK>
------------[ cut here ]------------
kernel BUG at fs/btrfs/extent-tree.c:3433!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 17148 Comm: syz-executor.3 Not tainted 6.6.0-syzkaller-15477-g34f763262743 #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+0x7e1/0xbd0 fs/btrfs/extent-tree.c:3433
Code: e8 64 9d fb fd 31 ff 89 c5 89 c6 e8 a9 56 13 fe 40 84 ed 0f 85 e6 fb ff ff e8 6b 5b 13 fe 0f 0b e9 da fb ff ff e8 5f 5b 13 fe <0f> 0b e8 58 5b 13 fe 49 8d 7c 24 30 48 b8 00 00 00 00 00 fc ff df
RSP: 0018:ffffc90023c37488 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff88801deb2b50 RCX: ffffc90006131000
RDX: 0000000000040000 RSI: ffffffff83743b41 RDI: 0000000000000005
RBP: 0000000000000005 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000fffffff4 R11: 6637303030302052 R12: ffff888056c16000
R13: ffff88801deb2b58 R14: 00000000fffffff4 R15: 0000000000000001
FS:  00007f1cb402b6c0(0000) GS:ffff88806b600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555577b938 CR3: 000000010c35e000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 btrfs_force_cow_block+0xfd9/0x19c0 fs/btrfs/ctree.c:618
 btrfs_cow_block+0x2b6/0xb20 fs/btrfs/ctree.c:741
 btrfs_search_slot+0x12a0/0x30e0 fs/btrfs/ctree.c:2095
 btrfs_truncate_inode_items+0x39d/0x2260 fs/btrfs/inode-item.c:516
 btrfs_truncate fs/btrfs/inode.c:8339 [inline]
 btrfs_setsize fs/btrfs/inode.c:5017 [inline]
 btrfs_setattr+0x7cb/0x1340 fs/btrfs/inode.c:5052
 notify_change+0x742/0x11c0 fs/attr.c:499
 do_truncate+0x15c/0x220 fs/open.c:66
 vfs_truncate+0x3eb/0x4d0 fs/open.c:112
 do_sys_truncate fs/open.c:135 [inline]
 __do_sys_truncate fs/open.c:147 [inline]
 __se_sys_truncate fs/open.c:145 [inline]
 __x64_sys_truncate+0x173/0x1e0 fs/open.c:145
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f1cb327cae9
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:00007f1cb402b0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
RAX: ffffffffffffffda RBX: 00007f1cb339c050 RCX: 00007f1cb327cae9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0
RBP: 00007f1cb402b120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 000000000000006e R14: 00007f1cb339c050 R15: 00007ffc642ff4c8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:btrfs_free_tree_block+0x7e1/0xbd0 fs/btrfs/extent-tree.c:3433
Code: e8 64 9d fb fd 31 ff 89 c5 89 c6 e8 a9 56 13 fe 40 84 ed 0f 85 e6 fb ff ff e8 6b 5b 13 fe 0f 0b e9 da fb ff ff e8 5f 5b 13 fe <0f> 0b e8 58 5b 13 fe 49 8d 7c 24 30 48 b8 00 00 00 00 00 fc ff df
RSP: 0018:ffffc90023c37488 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff88801deb2b50 RCX: ffffc90006131000
RDX: 0000000000040000 RSI: ffffffff83743b41 RDI: 0000000000000005
RBP: 0000000000000005 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000fffffff4 R11: 6637303030302052 R12: ffff888056c16000
R13: ffff88801deb2b58 R14: 00000000fffffff4 R15: 0000000000000001
FS:  00007f1cb402b6c0(0000) GS:ffff88806b900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000560675e02938 CR3: 000000010c35e000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400