loop0: detected capacity change from 0 to 32768
================================================================================
UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:2631:11
shift exponent 109 is too large for 32-bit type 'int'
CPU: 0 PID: 5440 Comm: syz-executor.0 Not tainted 6.4.0-next-20230630-syzkaller-g6352a698ca5b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x136/0x150 lib/dump_stack.c:106
 ubsan_epilogue lib/ubsan.c:217 [inline]
 __ubsan_handle_shift_out_of_bounds+0x221/0x5a0 lib/ubsan.c:387
 dbSplit.cold+0x19/0x1e fs/jfs/jfs_dmap.c:2631
 dbAllocBits+0x151/0x630 fs/jfs/jfs_dmap.c:2183
 dbAllocDmap+0x61/0x110 fs/jfs/jfs_dmap.c:2024
 dbAllocNear fs/jfs/jfs_dmap.c:1250 [inline]
 dbAlloc+0x78e/0xab0 fs/jfs/jfs_dmap.c:835
 diNewExt+0x741/0x1ae0 fs/jfs/jfs_imap.c:2251
 diAllocExt fs/jfs/jfs_imap.c:1945 [inline]
 diAllocAG+0x15ff/0x2240 fs/jfs/jfs_imap.c:1662
 diAlloc+0x831/0x17f0 fs/jfs/jfs_imap.c:1583
 ialloc+0x8d/0xad0 fs/jfs/jfs_inode.c:56
 jfs_mkdir+0x1f4/0xb00 fs/jfs/namei.c:225
 vfs_mkdir+0x242/0x460 fs/namei.c:4117
 do_mkdirat+0x28d/0x310 fs/namei.c:4140
 __do_sys_mkdir fs/namei.c:4160 [inline]
 __se_sys_mkdir fs/namei.c:4158 [inline]
 __x64_sys_mkdir+0xf6/0x140 fs/namei.c:4158
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fdc5ee8b5a9
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fdc5fc74168 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007fdc5efabf80 RCX: 00007fdc5ee8b5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200052c0
RBP: 00007fdc5eee67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc486f299f R14: 00007fdc5fc74300 R15: 0000000000022000
 </TASK>
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