loop0: detected capacity change from 0 to 32768
================================================================================
UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:2951:16
index 1381 is out of range for type 's8[1365]' (aka 'signed char[1365]')
CPU: 0 PID: 5432 Comm: syz-executor.0 Not tainted 6.5.0-rc7-syzkaller-00018-g89bf6209cad6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
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_out_of_bounds+0x11c/0x150 lib/ubsan.c:348
 dbFindLeaf+0x2f3/0x430 fs/jfs/jfs_dmap.c:2951
 dbAllocDmapLev+0xd1/0x490 fs/jfs/jfs_dmap.c:1959
 dbAllocCtl+0x113/0x920 fs/jfs/jfs_dmap.c:1815
 dbAllocAG+0x28f/0x10b0 fs/jfs/jfs_dmap.c:1356
 dbAlloc+0x658/0xca0 fs/jfs/jfs_dmap.c:880
 dtSplitUp fs/jfs/jfs_dtree.c:974 [inline]
 dtInsert+0xda7/0x6b00 fs/jfs/jfs_dtree.c:863
 jfs_mkdir+0x7f7/0xbb0 fs/jfs/namei.c:270
 vfs_mkdir+0x29d/0x450 fs/namei.c:4117
 do_mkdirat+0x264/0x520 fs/namei.c:4140
 __do_sys_mkdirat fs/namei.c:4155 [inline]
 __se_sys_mkdirat fs/namei.c:4153 [inline]
 __x64_sys_mkdirat+0x89/0xa0 fs/namei.c:4153
 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: 0033:0x7f663407c859
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6634d0a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f663419bf80 RCX: 00007f663407c859
RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000004
RBP: 00007f66340d8ad0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f663419bf80 R15: 00007ffe33592c28
 </TASK>
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