login: panic: missing alias Stopped at db_enter+0xa: popq %rbp TID PID UID PRFLAGS PFLAGS CPU COMMAND *138549 77536 0 0x2 0 0 syz-executor0 db_enter() at db_enter+0xa panic() at panic+0x147 vgonel(ffffff0063550618,ffff8000210c3c30) at vgonel+0x39f vrecycle(ffff8000210c3c30,ffffff0063550618) at vrecycle+0x33 ufs_inactive(ffffff0063550618) at ufs_inactive+0x207 VOP_INACTIVE(ffffff0063550618,ffffff0063550618) at VOP_INACTIVE+0x49 vput(ffffff0065739ea8) at vput+0x63 ufs_remove(ffffffff81e20630) at ufs_remove+0xbd VOP_REMOVE(0,ffffff0063550618,0) at VOP_REMOVE+0x5c dounlinkat(ffff800021168d90,ffff8000210c3c30,ffff8000210a5660,a0) at dounlinkat+0x12e syscall(0) at syscall+0x3e4 Xsyscall(6,a,7f7ffffde6d0,a,285b267d1c0,7f7ffffdeb20) at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffdeb10, count: 3 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs.