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Bug #18880
closedIO#sysread on Windows does not validate arguments
Status:
Closed
Assignee:
-
Target version:
-
ruby -v:
ruby 3.1.2p20 (2022-04-12 revision 4491bb740a) [x64-mingw-ucrt]
Description
When passing an invalid number of bytes to read, such as -1
, to IO#sysread
on Linux, an ArgumentError
is raised. On Windows Errno::EINVAL
is raised instead.
r, w = IO.pipe
r.sysread(-1)
This raises ArgumentError
on non-Windows and Errno::EINVAL
on Windows.
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