loop0: detected capacity change from 0 to 32768
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UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:2707:11
shift exponent 121 is too large for 32-bit type 'int'
CPU: 1 PID: 4995 Comm: syz.0.15 Not tainted 5.15.170-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:88 [inline]
 dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
 ubsan_epilogue lib/ubsan.c:151 [inline]
 __ubsan_handle_shift_out_of_bounds+0x3bf/0x420 lib/ubsan.c:321
 dbSplit+0x21a/0x220 fs/jfs/jfs_dmap.c:2707
 dbAllocBits+0x4e5/0x9a0 fs/jfs/jfs_dmap.c:2259
 dbAllocDmap fs/jfs/jfs_dmap.c:2100 [inline]
 dbAllocDmapLev+0x24c/0x490 fs/jfs/jfs_dmap.c:2054
 dbAllocCtl+0x113/0x920 fs/jfs/jfs_dmap.c:1891
 dbAllocAG+0x28b/0x10b0 fs/jfs/jfs_dmap.c:1432
 dbAlloc+0x654/0xc90 fs/jfs/jfs_dmap.c:888
 dtSplitUp fs/jfs/jfs_dtree.c:979 [inline]
 dtInsert+0xda3/0x6b00 fs/jfs/jfs_dtree.c:868
 jfs_create+0x7b2/0xbb0 fs/jfs/namei.c:137
 lookup_open fs/namei.c:3462 [inline]
 open_last_lookups fs/namei.c:3532 [inline]
 path_openat+0x130a/0x2f20 fs/namei.c:3739
 do_filp_open+0x21c/0x460 fs/namei.c:3769
 do_sys_openat2+0x13b/0x4f0 fs/open.c:1253
 do_sys_open fs/open.c:1269 [inline]
 __do_sys_open fs/open.c:1277 [inline]
 __se_sys_open fs/open.c:1273 [inline]
 __x64_sys_open+0x221/0x270 fs/open.c:1273
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fcd002a7ff9
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fccff528038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fcd0045ff80 RCX: 00007fcd002a7ff9
RDX: 0000000000000000 RSI: 0000000000000040 RDI: 0000000020000400
RBP: 00007fcd0031a296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fcd0045ff80 R15: 00007ffd6492c648
 </TASK>
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