02057906f7
This commit makes it impossible to create derived contexts with nil parents.
Previously it was possible to create derived contexts with nil parents, and
invalid contexts could propogate through the program. Eventually this can
cause a panic downstream, which is difficult to trace back to the source
of the error.
Although `WithCancel` and `WithDeadline` already panic if `parent` is `nil`, this adds explicit checks to give a useful message in the panic.
Fixes #37908
Change-Id: I70fd01f6539c1b0da0e775fc5457e32e7075e52c
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SECURITY.md |
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