panic: missing alias
Stopped at      db_enter+0x25:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
 435676  80805      0           0          0    0  syz-executor
*397182  74519      0         0x2          0    1K syz-executor
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83340b62) at panic+0x1e5 sys/kern/subr_prf.c:198
vgonel(fffffd805d3a5490,ffff8000ffff0020) at vgonel+0x681 sys/kern/vfs_subr.c:1217
checkalias(fffffd806ad0eca8,0,ffff800000b49800) at checkalias+0x1ab sys/kern/vfs_subr.c:-1
ffs_vinit(ffff800000b49800,ffff80002a3cdfb0) at ffs_vinit+0x13d sys/ufs/ffs/ffs_subr.c:-1
ffs_vget(ffff800000b49800,19658,ffff80002a3ce098) at ffs_vget+0x429 sys/ufs/ffs/ffs_vfsops.c:1283
ufs_lookup() at ufs_lookup+0x16bc sys/ufs/ufs/ufs_lookup.c:573
VOP_LOOKUP(fffffd805e939120,ffff80002a3ce318,ffff80002a3ce348) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
vfs_lookup(ffff80002a3ce2e8) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566
namei(ffff80002a3ce2e8) at namei+0x7aa sys/kern/vfs_lookup.c:250
dofstatat(ffff8000ffff0020,ffffff9c,745788026a70,745788026e70,2) at dofstatat+0xe0 sys/kern/vfs_syscalls.c:2082
syscall(ffff80002a3ce560) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a3ce560) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x745788026f20, count: 2
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