------------[ cut here ]------------
UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:661:7
index 128 is out of range for type 's64[128]' (aka 'long long[128]')
CPU: 1 UID: 0 PID: 9907 Comm: syz.4.880 Not tainted 6.10.0-rc6-next-20240703-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 ubsan_epilogue lib/ubsan.c:231 [inline]
 __ubsan_handle_out_of_bounds+0x121/0x150 lib/ubsan.c:429
 dbNextAG+0x3f3/0x630 fs/jfs/jfs_dmap.c:661
 diAlloc+0x6c6/0x1760 fs/jfs/jfs_imap.c:1372
 ialloc+0x8f/0x900 fs/jfs/jfs_inode.c:56
 jfs_create+0x1be/0xbb0 fs/jfs/namei.c:92
 lookup_open fs/namei.c:3535 [inline]
 open_last_lookups fs/namei.c:3604 [inline]
 path_openat+0x1a9a/0x3470 fs/namei.c:3840
 do_filp_open+0x235/0x490 fs/namei.c:3870
 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: 0033:0x7f29ebf75bd9
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:00007f29ecc8c048 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f29ec103f60 RCX: 00007f29ebf75bd9
RDX: 000000000000275a RSI: 00000000200005c0 RDI: ffffffffffffff9c
RBP: 00007f29ebfe4aa1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f29ec103f60 R15: 00007ffc95e91d78
 </TASK>
---[ end trace ]---