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(syz.0.0,5334,0):ocfs2_find_subtree_root:1777 ERROR: bug expression: i > left->p_tree_depth
(syz.0.0,5334,0):ocfs2_find_subtree_root:1777 ERROR: Owner 17059, left depth 1, right depth 1
left leaf blk 10553, right leaf blk 10553
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kernel BUG at fs/ocfs2/alloc.c:1777!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5334 Comm: syz.0.0 Not tainted 6.14.0-rc5-syzkaller-00039-g848e07631744 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:ocfs2_find_subtree_root+0x5ab/0x5c0 fs/ocfs2/alloc.c:1771
Code: 5b 45 34 8e ba f1 06 00 00 48 c7 c1 40 21 69 8c 4c 8b 44 24 20 45 89 f1 ff 33 41 57 ff 74 24 28 e8 1a 46 23 00 48 83 c4 18 90 <0f> 0b e8 4e ff 0e fe 90 0f 0b e8 46 9d 55 08 66 0f 1f 44 00 00 90
RSP: 0018:ffffc9000d445ec0 EFLAGS: 00010296
RAX: 20d279844b3dde00 RBX: ffff88800c0c6928 RCX: 20d279844b3dde00
RDX: ffffc9000f42c000 RSI: 00000000000fffff RDI: 0000000000100000
RBP: ffffc9000d445fb0 R08: ffffffff81a1252c R09: 1ffff11003f8519a
R10: dffffc0000000000 R11: ffffed1003f8519b R12: 0000000000000001
R13: 0000000000000010 R14: 0000000000000001 R15: 0000000000002939
FS:  00007f51a4d226c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f519f3f0fe0 CR3: 0000000043a16000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ocfs2_insert_path+0xad7/0x12c0 fs/ocfs2/alloc.c:4232
 ocfs2_do_insert_extent+0xae1/0x10d0 fs/ocfs2/alloc.c:4334
 ocfs2_insert_extent+0x1172/0x2270 fs/ocfs2/alloc.c:4757
 ocfs2_add_clusters_in_btree+0x73e/0x1370 fs/ocfs2/alloc.c:4849
 ocfs2_add_inode_data+0xcf/0x120 fs/ocfs2/file.c:550
 ocfs2_write_cluster fs/ocfs2/aops.c:1121 [inline]
 ocfs2_write_cluster_by_desc+0x554/0x1fb0 fs/ocfs2/aops.c:1225
 ocfs2_write_begin_nolock+0x3b28/0x4e40 fs/ocfs2/aops.c:1802
 ocfs2_write_begin+0x205/0x3a0 fs/ocfs2/aops.c:1889
 generic_perform_write+0x346/0x990 mm/filemap.c:4189
 ocfs2_file_write_iter+0x19af/0x2180 fs/ocfs2/file.c:2469
 iter_file_splice_write+0xbfa/0x1510 fs/splice.c:743
 do_splice_from fs/splice.c:941 [inline]
 direct_splice_actor+0x11b/0x220 fs/splice.c:1164
 splice_direct_to_actor+0x586/0xc80 fs/splice.c:1108
 do_splice_direct_actor fs/splice.c:1207 [inline]
 do_splice_direct+0x289/0x3e0 fs/splice.c:1233
 do_sendfile+0x564/0x8a0 fs/read_write.c:1363
 __do_sys_sendfile64 fs/read_write.c:1424 [inline]
 __se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1410
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f51a3f8d169
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:00007f51a4d22038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f51a41a6160 RCX: 00007f51a3f8d169
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000006
RBP: 00007f51a400e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f51a41a6160 R15: 00007fffa4aa3be8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_find_subtree_root+0x5ab/0x5c0 fs/ocfs2/alloc.c:1771
Code: 5b 45 34 8e ba f1 06 00 00 48 c7 c1 40 21 69 8c 4c 8b 44 24 20 45 89 f1 ff 33 41 57 ff 74 24 28 e8 1a 46 23 00 48 83 c4 18 90 <0f> 0b e8 4e ff 0e fe 90 0f 0b e8 46 9d 55 08 66 0f 1f 44 00 00 90
RSP: 0018:ffffc9000d445ec0 EFLAGS: 00010296
RAX: 20d279844b3dde00 RBX: ffff88800c0c6928 RCX: 20d279844b3dde00
RDX: ffffc9000f42c000 RSI: 00000000000fffff RDI: 0000000000100000
RBP: ffffc9000d445fb0 R08: ffffffff81a1252c R09: 1ffff11003f8519a
R10: dffffc0000000000 R11: ffffed1003f8519b R12: 0000000000000001
R13: 0000000000000010 R14: 0000000000000001 R15: 0000000000002939
FS:  00007f51a4d226c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000561a47a280b8 CR3: 0000000043a16000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400