Jeff Epler 4b013ec3ff extmod/vfs_reader: Check that open() resulted in a file-like object. ...

That is, an object whose type defines the protocol slot.

Note that due to protocol confusion, a variant of the original crasher that
returned e.g., a machine.Pin instance could still lead to a crash (#17852).

Fixes issue #17841.

Signed-off-by: Jeff Epler <jepler@gmail.com>
Signed-off-by: Jeff Epler <jepler@unpythonic.net>

2025-09-28 22:45:30 +10:00

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