ERROR: (device loop0): dbAllocAG: allocation request is larger than the allocation group size
ERROR: (device loop0): dbDiscardAG: -EIO
================================================================================
UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:1567:26
index 128 is out of range for type 's64 [128]'
CPU: 1 PID: 3610 Comm: syz-executor248 Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 ubsan_epilogue+0xb/0x50 lib/ubsan.c:151
 __ubsan_handle_out_of_bounds.cold+0x62/0x6c lib/ubsan.c:283
 dbDiscardAG+0x6eb/0x790 fs/jfs/jfs_dmap.c:1567
 jfs_ioc_trim+0x3fd/0x5c0 fs/jfs/jfs_discard.c:100
 jfs_ioctl+0x31d/0x400 fs/jfs/ioctl.c:131
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f3c9f7c3da9
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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdde31b648 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3c9f7c3da9
RDX: 0000000020000140 RSI: 00000000c0185879 RDI: 0000000000000003
RBP: 00007f3c9f783570 R08: 0000000000000000 R09: 00007f3c9f783570
R10: 00005555571582c0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00083878000000f8 R15: 0000000000000000
 </TASK>
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