login: panic: kernel diagnostic assertion "ps->ps_uvncount == 0" failed: file "/syzkaller/managers/multicore/kernel/sys/kern/kern_unveil.c", line 188
Starting stack trace...
panic(ffffffff825a6142) at panic+0x16b sys/kern/subr_prf.c:229
__assert(ffffffff82619d50,ffffffff8261d9c7,bc,ffffffff825ba70a) at __assert+0x25 sys/kern/subr_prf.c:157
unveil_destroy(ffff800023d9c020) at unveil_destroy+0x1a4 sys/kern/kern_unveil.c:188
exit1(ffff8000212ff270,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:219
sys_exit(ffff8000212ff270,ffff80002b02e290,ffff80002b02e2e0) at sys_exit+0x16 sys/kern/kern_exit.c:89
syscall(ffff80002b02e360) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff80002b02e360) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffffb7c0, count: 250
End of stack trace.
syncing disks...28 19 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1  giving up