loop2: detected capacity change from 0 to 32768
------------[ cut here ]------------
UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dtree.c:3622:7
index -6 is out of range for type 'struct dtslot[128]'
CPU: 0 PID: 9135 Comm: syz-executor.2 Not tainted 6.8.0-rc2-syzkaller-00055-g6764c317b6bb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e7/0x2e0 lib/dump_stack.c:106
 ubsan_epilogue lib/ubsan.c:217 [inline]
 __ubsan_handle_out_of_bounds+0x120/0x150 lib/ubsan.c:347
 dtInsertEntry+0x1735/0x1780 fs/jfs/jfs_dtree.c:3622
 dtInsert+0xbf1/0x6b00 fs/jfs/jfs_dtree.c:891
 jfs_mkdir+0x7fb/0xb90 fs/jfs/namei.c:270
 vfs_mkdir+0x2f9/0x4b0 fs/namei.c:4122
 do_mkdirat+0x264/0x3a0 fs/namei.c:4145
 __do_sys_mkdir fs/namei.c:4165 [inline]
 __se_sys_mkdir fs/namei.c:4163 [inline]
 __x64_sys_mkdir+0x6e/0x80 fs/namei.c:4163
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f99b367dda9
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:00007f99b29ff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f99b37abf80 RCX: 00007f99b367dda9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0
RBP: 00007f99b36ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f99b37abf80 R15: 00007ffc88079388
 </TASK>
---[ end trace ]---