loop0: detected capacity change from 0 to 32768
loop0: detected capacity change from 32768 to 32639
ERROR: (device loop0): diRead: i_ino != di_number
jfs_lookup: iget failed on inum 32
ERROR: (device loop0): diRead: i_ino != di_number
jfs_lookup: iget failed on inum 32
------------[ cut here ]------------
UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:2257:2
index 2048 is out of range for type 's64[128]' (aka 'long long[128]')
CPU: 0 UID: 0 PID: 5110 Comm: syz.0.0 Not tainted 6.11.0-rc7-syzkaller-00021-g7c6a3a65ace7 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:93 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119
 ubsan_epilogue lib/ubsan.c:231 [inline]
 __ubsan_handle_out_of_bounds+0x121/0x150 lib/ubsan.c:429
 dbAllocBits+0x95f/0x990 fs/jfs/jfs_dmap.c:2257
 dbAllocDmap fs/jfs/jfs_dmap.c:2034 [inline]
 dbAllocDmapLev+0x250/0x4a0 fs/jfs/jfs_dmap.c:1988
 dbAllocCtl+0x113/0x920 fs/jfs/jfs_dmap.c:1825
 dbAllocAG+0x28f/0x10b0 fs/jfs/jfs_dmap.c:1364
 dbAlloc+0x658/0xca0 fs/jfs/jfs_dmap.c:888
 dtSplitUp fs/jfs/jfs_dtree.c:981 [inline]
 dtInsert+0xd7a/0x6c10 fs/jfs/jfs_dtree.c:870
 jfs_create+0x7ba/0xbb0 fs/jfs/namei.c:137
 lookup_open fs/namei.c:3578 [inline]
 open_last_lookups fs/namei.c:3647 [inline]
 path_openat+0x1a9a/0x3470 fs/namei.c:3883
 do_filp_open+0x235/0x490 fs/namei.c:3913
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1416
 do_sys_open fs/open.c:1431 [inline]
 __do_sys_openat fs/open.c:1447 [inline]
 __se_sys_openat fs/open.c:1442 [inline]
 __x64_sys_openat+0x247/0x2a0 fs/open.c:1442
 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: 0033:0x7f6d5057def9
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:00007f6d513a9038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f6d50735f80 RCX: 00007f6d5057def9
RDX: 000000000000275a RSI: 0000000020000280 RDI: ffffffffffffff9c
RBP: 00007f6d505f0b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f6d50735f80 R15: 00007ffc466b6ac8
 </TASK>
---[ end trace ]---