loop0: detected capacity change from 0 to 32768
 ... Log Wrap ... Log Wrap ... Log Wrap ...
netlink: 'syz.0.0': attribute type 21 has an invalid length.
netlink: 128 bytes leftover after parsing attributes in process `syz.0.0'.
netlink: 'syz.0.0': attribute type 4 has an invalid length.
netlink: 'syz.0.0': attribute type 5 has an invalid length.
netlink: 3 bytes leftover after parsing attributes in process `syz.0.0'.
ERROR: (device loop0): diWrite: ixpxd invalid
ERROR: (device loop0): txCommit: 
loop0: detected capacity change from 32768 to 32704
ERROR: (device loop0): diWrite: ixpxd invalid
ERROR: (device loop0): txCommit: 
 ... Log Wrap ... Log Wrap ... Log Wrap ...
 ... Log Wrap ... Log Wrap ... Log Wrap ...
------------[ cut here ]------------
UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:2344:2
index 134217728 is out of range for type 's64[128]' (aka 'long long[128]')
CPU: 0 UID: 0 PID: 5322 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 ubsan_epilogue+0xa/0x30 lib/ubsan.c:233
 __ubsan_handle_out_of_bounds+0xe8/0xf0 lib/ubsan.c:455
 dbAllocBits+0xa07/0xa60 fs/jfs/jfs_dmap.c:2344
 dbAllocDmap fs/jfs/jfs_dmap.c:2121 [inline]
 dbAllocDmapLev+0x1bf/0x3c0 fs/jfs/jfs_dmap.c:2075
 dbAllocCtl+0x14a/0x9c0 fs/jfs/jfs_dmap.c:1912
 dbAllocAG+0x1e6/0xf80 fs/jfs/jfs_dmap.c:1440
 dbAlloc+0x5ab/0xba0 fs/jfs/jfs_dmap.c:964
 dtSplitUp fs/jfs/jfs_dtree.c:979 [inline]
 dtInsert+0xb27/0x5cd0 fs/jfs/jfs_dtree.c:868
 jfs_create+0x75b/0xb10 fs/jfs/namei.c:138
 lookup_open fs/namei.c:4511 [inline]
 open_last_lookups fs/namei.c:4611 [inline]
 path_openat+0x1395/0x3860 fs/namei.c:4855
 do_file_open+0x23e/0x4a0 fs/namei.c:4887
 do_sys_openat2+0x113/0x200 fs/open.c:1364
 do_sys_open fs/open.c:1370 [inline]
 __do_sys_openat fs/open.c:1386 [inline]
 __se_sys_openat fs/open.c:1381 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1381
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f330059cdd9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3301387fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f3300815fa0 RCX: 00007f330059cdd9
RDX: 0000000000143042 RSI: 0000200000000000 RDI: ffffffffffffff9c
RBP: 00007f3300632d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000080 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3300816038 R14: 00007f3300815fa0 R15: 00007fff8fa698c8
 </TASK>
---[ end trace ]---