panic: missing alias
Stopped at      db_enter+0x25:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*185978  48833      0         0x2          0    0  syz-executor
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff832ef257) at panic+0x1cf sys/kern/subr_prf.c:198
vgonel(fffffd805f6ea0e8,ffff80002a803c50) at vgonel+0x681 sys/kern/vfs_subr.c:1218
vrecycle(fffffd805f6ea0e8,ffff80002a803c50) at vrecycle+0x7c sys/kern/vfs_subr.c:1144
ufs_inactive(ffff80003ca2b208) at ufs_inactive+0x35d sys/ufs/ufs/ufs_inode.c:107
VOP_INACTIVE(fffffd805f6ea0e8,ffff80002a803c50) at VOP_INACTIVE+0xfe sys/kern/vfs_vops.c:495
vput(fffffd805f6ea0e8) at vput+0xdc sys/kern/vfs_subr.c:797
VOP_REMOVE(fffffd806a84d0e0,fffffd805f6ea0e8,ffff80003ca2b388) at VOP_REMOVE+0x19d sys/kern/vfs_vops.c:336
dounlinkat(ffff80002a803c50,ffffff9c,777570a8d190,0) at dounlinkat+0x177 sys/kern/vfs_syscalls.c:1902
syscall(ffff80003ca2b500) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x777570a8d640, count: 4
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