question about california's voting system

[Bacon King]

Let's say Kamala Harris withdrew from the Senate race for some reason - what would that mean for the ballot in November?

Do they replace her with whoever got third place in the primary? Do they let Sanchez run unopposed? Do they have a special election to replace her or something? Or do they just keep Harris's name on the ballot even if she withdraws more than three months before the election?

[Interlocutor is just not there yet]

According to the CA secretary of state website, September 1 is when the general election candidates are verified for the counties to print out ballots and voter guides.

Unfortunately, the actual proposition law passed doesn't address that scenario. I assume if Harris were to die before the polls close or she was forced to drop out for whatever reason in August, only Sanchez votes would count