loop0: detected capacity change from 0 to 32768
------------[ cut here ]------------
UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:2257:2
index 2000 is out of range for type 's64[128]' (aka 'long long[128]')
CPU: 0 UID: 0 PID: 5408 Comm: syz-executor.0 Not tainted 6.12.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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
 dbAllocBits+0x95f/0x990 fs/jfs/jfs_dmap.c:2257
 dbAllocDmap fs/jfs/jfs_dmap.c:2034 [inline]
 dbAllocNear+0x264/0x390 fs/jfs/jfs_dmap.c:1258
 dbAlloc+0xa27/0xca0 fs/jfs/jfs_dmap.c:843
 ea_get+0x9ec/0x12c0 fs/jfs/xattr.c:516
 __jfs_setxattr+0x4ba/0x1190 fs/jfs/xattr.c:722
 __jfs_set_acl+0x12a/0x1b0 fs/jfs/acl.c:87
 jfs_set_acl+0x2bc/0x4c0 fs/jfs/acl.c:115
 set_posix_acl fs/posix_acl.c:955 [inline]
 vfs_set_acl+0x7fd/0xa60 fs/posix_acl.c:1134
 do_set_acl+0xf4/0x180 fs/posix_acl.c:1279
 do_setxattr fs/xattr.c:626 [inline]
 path_setxattr+0x3bd/0x4d0 fs/xattr.c:658
 __do_sys_lsetxattr fs/xattr.c:683 [inline]
 __se_sys_lsetxattr fs/xattr.c:679 [inline]
 __x64_sys_lsetxattr+0xb8/0xd0 fs/xattr.c:679
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x82/0x160 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fc90c27cb29
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc90cf9e0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd
RAX: ffffffffffffffda RBX: 00007fc90c39bf80 RCX: 00007fc90c27cb29
RDX: 0000000020000180 RSI: 0000000020000040 RDI: 0000000020000000
RBP: 00007fc90c2c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000024 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fc90c39bf80 R15: 00007fff8cae0ba8
 </TASK>
---[ end trace ]---