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kernel BUG at fs/btrfs/extent-tree.c:3462!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 PID: 24220 Comm: syz-executor.2 Not tainted 6.8.0-rc7-syzkaller-00130-g135288b73cef #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+0x845/0xb60 fs/btrfs/extent-tree.c:3462
Code: 02 00 00 48 8b 13 41 b8 01 00 00 00 4c 89 e7 48 89 ee e8 1e 80 fe ff 48 89 ef e8 56 4d 27 00 e9 74 fb ff ff e8 0c 7c 0d fe 90 <0f> 0b e8 04 7c 0d fe 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1
RSP: 0018:ffffc9002aacef70 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff88801ada4d20 RCX: ffffc90006735000
RDX: 0000000000040000 RSI: ffffffff837dd2d4 RDI: 0000000000000005
RBP: 0000000000000005 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000fffffff4 R11: 000000000000000b R12: ffff888031f98b90
R13: ffff88801ada4d28 R14: 00000000fffffff4 R15: 0000000000000001
FS:  00007feee5b8d6c0(0000) GS:ffff88806b200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555635b938 CR3: 000000005dddc000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 btrfs_force_cow_block+0xb42/0x19e0 fs/btrfs/ctree.c:654
 btrfs_cow_block+0x2b6/0xb30 fs/btrfs/ctree.c:749
 btrfs_search_slot+0x11bd/0x3010 fs/btrfs/ctree.c:2104
 btrfs_lookup_file_extent+0xcb/0x110 fs/btrfs/file-item.c:270
 btrfs_drop_extents+0x433/0x2be0 fs/btrfs/file.c:254
 btrfs_replace_file_extents+0x4b4/0x1b80 fs/btrfs/file.c:2392
 btrfs_clone+0x1015/0x1400 fs/btrfs/reflink.c:504
 btrfs_clone_files.isra.0+0x219/0x2f0 fs/btrfs/reflink.c:770
 btrfs_remap_file_range+0xba0/0xfb0 fs/btrfs/reflink.c:908
 vfs_clone_file_range+0x2b8/0xd10 fs/remap_range.c:403
 ioctl_file_clone fs/ioctl.c:240 [inline]
 ioctl_file_clone_range fs/ioctl.c:259 [inline]
 do_vfs_ioctl+0x952/0x1940 fs/ioctl.c:824
 __do_sys_ioctl fs/ioctl.c:869 [inline]
 __se_sys_ioctl fs/ioctl.c:857 [inline]
 __x64_sys_ioctl+0x116/0x220 fs/ioctl.c:857
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xd5/0x270 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7feee4e7dda9
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:00007feee5b8d0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007feee4fac050 RCX: 00007feee4e7dda9
RDX: 0000000020000000 RSI: 000000004020940d RDI: 0000000000000006
RBP: 00007feee5b8d120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 000000000000006e R14: 00007feee4fac050 R15: 00007ffe0126e578
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:btrfs_free_tree_block+0x845/0xb60 fs/btrfs/extent-tree.c:3462
Code: 02 00 00 48 8b 13 41 b8 01 00 00 00 4c 89 e7 48 89 ee e8 1e 80 fe ff 48 89 ef e8 56 4d 27 00 e9 74 fb ff ff e8 0c 7c 0d fe 90 <0f> 0b e8 04 7c 0d fe 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1
RSP: 0018:ffffc9002aacef70 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff88801ada4d20 RCX: ffffc90006735000
RDX: 0000000000040000 RSI: ffffffff837dd2d4 RDI: 0000000000000005
RBP: 0000000000000005 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000fffffff4 R11: 000000000000000b R12: ffff888031f98b90
R13: ffff88801ada4d28 R14: 00000000fffffff4 R15: 0000000000000001
FS:  00007feee5b8d6c0(0000) GS:ffff88806b200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f59193324a8 CR3: 000000005dddc000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400