3b92f36d15
The debug/pe package assumes there are always 16 entries in DataDirectory in OptionalHeader32/64 ref pe.go: ... NumberOfRvaAndSizes uint32 DataDirectory [16]DataDirectory } ... But that is not always the case, there could be less no of entries (PE signed linux kernel for example): $ sudo pev /boot/vmlinuz-4.15.0-47-generic .... Data-dictionary entries: 6 .... In such case, the parsing gives incorrect results. This changes aims to fix that by: 1. Determining type of optional header by looking at header magic instead of size 2. Parsing optional header in 2 steps: a. Fixed part b. Variable data directories part Testing: 1. Fixed existing test cases to reflect the change 2. Added new file (modified linux kernel image) which has smaller number of data directories Fixes #32126 Change-Id: Iee56ecc4369a0e75a4be805e7cb8555c7d81ae2f Reviewed-on: https://go-review.googlesource.com/c/go/+/177959 Run-TryBot: Alex Brainman <alex.brainman@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Alex Brainman <alex.brainman@gmail.com> |
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README.md
The Go Programming Language
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