loop1: detected capacity change from 0 to 32768
------------[ 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: 6261 Comm: syz.1.115 Not tainted 6.11.0-rc6-syzkaller-00026-g88fac17500f4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
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
 dbNextAG+0x3f3/0x630 fs/jfs/jfs_dmap.c:661
 dbAlloc+0x62d/0xca0 fs/jfs/jfs_dmap.c:882
 xtSplitUp+0x53a/0x1fd0 fs/jfs/jfs_xtree.c:745
 xtInsert+0x583/0xfb0 fs/jfs/jfs_xtree.c:593
 extAlloc+0xa74/0x1010 fs/jfs/jfs_extent.c:145
 jfs_get_block+0x41b/0xe60 fs/jfs/inode.c:248
 get_more_blocks fs/direct-io.c:649 [inline]
 do_direct_IO fs/direct-io.c:937 [inline]
 __blockdev_direct_IO+0x1c90/0x4890 fs/direct-io.c:1249
 blockdev_direct_IO include/linux/fs.h:3218 [inline]
 jfs_direct_IO+0xf8/0x1e0 fs/jfs/inode.c:331
 generic_file_direct_write+0x130/0x350 mm/filemap.c:3941
 __generic_file_write_iter+0x129/0x230 mm/filemap.c:4107
 generic_file_write_iter+0xaf/0x310 mm/filemap.c:4147
 new_sync_write fs/read_write.c:497 [inline]
 vfs_write+0xa72/0xc90 fs/read_write.c:590
 ksys_write+0x1a0/0x2c0 fs/read_write.c:643
 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: 0033:0x7fb9d137cef9
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:00007fb9d2100038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fb9d1535f80 RCX: 00007fb9d137cef9
RDX: 000000000f642e7e RSI: 0000000020000200 RDI: 0000000000000004
RBP: 00007fb9d13ef01e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fb9d1535f80 R15: 00007fff3954d598
 </TASK>
---[ end trace ]---