panic: kernel diagnostic assertion "ps->ps_uvncount == 0" failed: file "/syzkaller/managers/multico
re/kernel/sys/kern/kern_unveil.c", line 188
Starting stack trace...
panic(ffffffff8279c7bf) at panic+0x16f sys/kern/subr_prf.c:229
__assert(ffffffff8281f037,ffffffff8282537a,bc,ffffffff827bb2af) at __assert+0x29 sys/kern/subr_prf.c:157
unveil_destroy(ffff8000261ce1a0) at unveil_destroy+0x1a4 sys/kern/kern_unveil.c:188
exit1(ffff8000212ab5c0,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:220
sys_exit(ffff8000212ab5c0,ffff800026175b30,ffff800026175b80) at sys_exit+0x1a sys/kern/kern_exit.c:89
syscall(ffff800026175c00) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline]
syscall(ffff800026175c00) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x70152a0527c0, count: 250
End of stack trace.