loop0: detected capacity change from 0 to 32768
================================================================================
UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:2632:11
shift exponent 109 is too large for 32-bit type 'int'
CPU: 1 PID: 5444 Comm: syz-executor.0 Not tainted 6.6.0-syzkaller-03474-gcd063c8b9e1e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
 ubsan_epilogue lib/ubsan.c:217 [inline]
 __ubsan_handle_shift_out_of_bounds+0x3c3/0x420 lib/ubsan.c:387
 dbSplit+0x1e5/0x1f0 fs/jfs/jfs_dmap.c:2632
 dbAllocBits+0x4df/0x990 fs/jfs/jfs_dmap.c:2184
 dbAllocDmap fs/jfs/jfs_dmap.c:2025 [inline]
 dbAllocNear+0x262/0x390 fs/jfs/jfs_dmap.c:1251
 dbAlloc+0xa23/0xca0 fs/jfs/jfs_dmap.c:836
 diNewExt+0xae0/0x4000 fs/jfs/jfs_imap.c:2252
 diAllocExt fs/jfs/jfs_imap.c:1946 [inline]
 diAllocAG+0xbe8/0x1e50 fs/jfs/jfs_imap.c:1663
 diAlloc+0x3e1/0x1720 fs/jfs/jfs_imap.c:1584
 ialloc+0x8f/0x900 fs/jfs/jfs_inode.c:56
 jfs_mkdir+0x1c5/0xb90 fs/jfs/namei.c:225
 vfs_mkdir+0x2f1/0x4b0 fs/namei.c:4106
 do_mkdirat+0x264/0x3a0 fs/namei.c:4129
 __do_sys_mkdir fs/namei.c:4149 [inline]
 __se_sys_mkdir fs/namei.c:4147 [inline]
 __x64_sys_mkdir+0x6e/0x80 fs/namei.c:4147
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f03d447ad39
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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f03d56ca0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f03d459bf80 RCX: 00007f03d447ad39
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200052c0
RBP: 00007f03d44d7567 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f03d459bf80 R15: 00007fffd4a0ced8
 </TASK>
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