loop4: detected capacity change from 0 to 32768
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UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:2222:2
index 4718592 is out of range for type 's64 [128]'
CPU: 1 PID: 13568 Comm: syz-executor.4 Not tainted 6.1.0-rc7-syzkaller-00200-gc2bf05db6c78 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106
 ubsan_epilogue lib/ubsan.c:151 [inline]
 __ubsan_handle_out_of_bounds+0xdb/0x130 lib/ubsan.c:283
 dbAllocBits+0x988/0x9c0 fs/jfs/jfs_dmap.c:2222
 dbAllocDmap fs/jfs/jfs_dmap.c:1999 [inline]
 dbAllocDmapLev+0x240/0x420 fs/jfs/jfs_dmap.c:1953
 dbAllocCtl+0x113/0x970 fs/jfs/jfs_dmap.c:1793
 dbAllocAG+0x28b/0x1100 fs/jfs/jfs_dmap.c:1334
 dbAlloc+0x661/0xc90 fs/jfs/jfs_dmap.c:858
 diNewExt+0xaad/0x3e00 fs/jfs/jfs_imap.c:2251
 diAllocExt fs/jfs/jfs_imap.c:1945 [inline]
 diAllocAG+0xc6a/0x1f80 fs/jfs/jfs_imap.c:1662
 diAlloc+0x3dd/0x1700 fs/jfs/jfs_imap.c:1583
 ialloc+0x8c/0xa80 fs/jfs/jfs_inode.c:56
 jfs_mkdir+0x141/0xb00 fs/jfs/namei.c:225
 vfs_mkdir+0x3b3/0x590 fs/namei.c:4036
 do_mkdirat+0x279/0x550 fs/namei.c:4061
 __do_sys_mkdirat fs/namei.c:4076 [inline]
 __se_sys_mkdirat fs/namei.c:4074 [inline]
 __x64_sys_mkdirat+0x85/0x90 fs/namei.c:4074
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fed2fa8c0d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fed3078c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007fed2fbabf80 RCX: 00007fed2fa8c0d9
RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000008
RBP: 00007fed2fae7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc3fd05e0f R14: 00007fed3078c300 R15: 0000000000022000
 </TASK>
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