loop0: detected capacity change from 0 to 32768
================================================================================
UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:2639:11
shift exponent 121 is too large for 32-bit type 'int'
CPU: 1 PID: 5063 Comm: syz-executor173 Not tainted 6.7.0-rc4-syzkaller-00009-gbee0e7762ad2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106
 ubsan_epilogue lib/ubsan.c:217 [inline]
 __ubsan_handle_shift_out_of_bounds+0x2a6/0x480 lib/ubsan.c:387
 dbSplit.cold+0x19/0x1e fs/jfs/jfs_dmap.c:2639
 dbAllocBits+0x146/0x630 fs/jfs/jfs_dmap.c:2191
 dbAllocDmap+0x5c/0x100 fs/jfs/jfs_dmap.c:2032
 dbAllocDmapLev+0x17a/0x2f0 fs/jfs/jfs_dmap.c:1986
 dbAllocCtl+0x12c/0x7b0 fs/jfs/jfs_dmap.c:1823
 dbAllocAG+0x8c5/0xd20 fs/jfs/jfs_dmap.c:1364
 dbAlloc+0x415/0xaa0 fs/jfs/jfs_dmap.c:888
 dtSplitUp+0x3f3/0x5850 fs/jfs/jfs_dtree.c:974
 dtInsert+0x872/0xb00 fs/jfs/jfs_dtree.c:863
 jfs_create+0x63c/0xb40 fs/jfs/namei.c:137
 lookup_open.isra.0+0x1095/0x13b0 fs/namei.c:3477
 open_last_lookups fs/namei.c:3546 [inline]
 path_openat+0x922/0x2c50 fs/namei.c:3776
 do_filp_open+0x1de/0x430 fs/namei.c:3809
 do_sys_openat2+0x176/0x1e0 fs/open.c:1440
 do_sys_open fs/open.c:1455 [inline]
 __do_sys_open fs/open.c:1463 [inline]
 __se_sys_open fs/open.c:1459 [inline]
 __x64_sys_open+0x154/0x1e0 fs/open.c:1459
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f4cc51b09b9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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:00007ffc3c5e0fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007ffc3c5e11c8 RCX: 00007f4cc51b09b9
RDX: 0000000000000000 RSI: 0000000000000040 RDI: 0000000020000400
RBP: 00007f4cc5229610 R08: 00000000000060cc R09: 0000000000000000
R10: 00007ffc3c5e0eb0 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffc3c5e11b8 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
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