panic: ufs_rename: lost dir entry
Stopped at      db_enter+0x25:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*288428  59860      0   0x8000000  0x4000000    0  syz-executor
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff82fbc49e) at panic+0x1cf sys/kern/subr_prf.c:198
ufs_rename(ffff80003745d538) at ufs_rename+0x18b2
VOP_RENAME(fffffd806e45e990,fffffd8076200560,ffff80003745d708,fffffd806f4bc610,0,ffff80003745d658) at VOP_RENAME+0x13c sys/kern/vfs_vops.c:376
dorenameat(ffff80002a4c6f78,ffffff9c,20000540,ffffff9c,200005c0) at dorenameat+0x3f8 sys/kern/vfs_syscalls.c:3021
syscall(ffff80003745d8a0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xe26d2ccfaf0, count: 8
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