When click on "Proceed to checkout" in cart, we are disconnected

[delyriand]

Preconditions (*)

1. Magento 2.2.5
2. sample data

Steps to reproduce (*)

1. I log in with my customer account (go to customer/account/login/ and use customer sample roni_cost@example.com / roni_cost3@example.com)
2. I click on "View and Edit Cart" in the mini cart
3. Before total block is completely loaded, i click on "Proceed to checkout" (just after the first display of total block)

Expected result (*)

1. we arrive at the shipping step of the checkout

Actual result (*)

1. I am disconnected
2. and I arrive on the login page

[magento-engcom-team]

Hi @delyriand. Thank you for your report.
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@delyriand do you confirm that you was able to reproduce the issue on vanilla Magento instance following steps to reproduce?

• yes
• no

[magento-engcom-team]

Hi @engcom-backlog-nazar. Thank you for working on this issue.
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[ghost]

Hi @delyriand i'm not able to reproduce following steps your described, on clean magento instance, this may be related to your custom module.

[ghost]

@delyriand also this may be fixed by this commit -> #17608