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lib/oe/qa: ELFFile: check that a path is a file before opening it

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When opening an ELF file check that a filename points to a normal file before
attempting to open it, as if the file turns out to be something more exotic like
a FIFO it could hang forever.

(From OE-Core rev: 4b3576bc30d8f8cdcde25189def8b059fc92b27c)

(From OE-Core rev: d3af2058e2753516b9aaf7f6d71162363eea11d4)

Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Ross Burton
2016-02-08 20:35:40 +00:00
committed by Richard Purdie
parent 11359e9d5d
commit 334e1b5e0e
1 changed files with 3 additions and 0 deletions
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meta/lib/oe/qa.py
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@@ -31,6 +31,9 @@ class ELFFile:
self.objdump_output = {} self.objdump_output = {}
def open(self): def open(self):
if not os.path.isfile(self.name):
raise Exception("File is not a normal file")
self.file = file(self.name, "r") self.file = file(self.name, "r")
self.data = self.file.read(ELFFile.EI_NIDENT+4) self.data = self.file.read(ELFFile.EI_NIDENT+4)