fix: incorrect conversion between integer types #2605
Merged
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
if a string is parsed into an int using strconv.Atoi, and subsequently that int is converted into another integer type of a smaller size, the result can produce unexpected values. Signed-off-by: Christopher Phillips <christopher.phillips@anchore.com>
Signed-off-by: Christopher Phillips <christopher.phillips@anchore.com>
Signed-off-by: Christopher Phillips <christopher.phillips@anchore.com>
Signed-off-by: Christopher Phillips <christopher.phillips@anchore.com>
Signed-off-by: Christopher Phillips <christopher.phillips@anchore.com>
wagoodman
approved these changes
Feb 7, 2024
Signed-off-by: Christopher Phillips <christopher.phillips@anchore.com>
Signed-off-by: Christopher Phillips <christopher.phillips@anchore.com>
GijsCalis
pushed a commit
to GijsCalis/syft
that referenced
this pull request
Feb 19, 2024
* chore: match strconv.ParseInt to file mode type if a string is parsed into an int using strconv.Atoi, and subsequently that int is converted into another integer type of a smaller size, the result can produce unexpected values. --------- Signed-off-by: Christopher Phillips <christopher.phillips@anchore.com>
# for free
to join this conversation on GitHub.
Already have an account?
# to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Summary
if a string is parsed into an int using strconv.Atoi, and subsequently that int is converted into another integer type of a smaller size, the result can produce unexpected values.
This PR adds an upper/lower bound check for the
intwhen converting down toint32as the file.Modehttps://pkg.go.dev/os#FileMode <-- Points to
fs.FileModehttps://pkg.go.dev/io/fs#FileMode <--
fs.FileMode