Skip error files in file walk for registry scan(image)

[varanasikalyan]

Description

While doing a file walk with image scan(registry scan). I see we stop the scan with err when we couldn't open any file.

Desired Behavior

I expected the scan should continue even when there is an err while opening the file.

Actual Behavior

scan failed with an err stating couldn't open file

Reproduction Steps

This issue happens when we perform image scan for an windows based image especially large windows images.

Target

None

Scanner

None

Output Format

None

Mode

None

Debug Output

error in image inspect: analyze error: failed to analyze layer (sha256:358be10862ccbc3296389103d497dd7cd28b08c7931b4a545c88d7f7cd6): walk error: failed to process the file: failed to analyze file: failed to analyze Files/ProgramData/Microsoft/Windows Defender/Scans/mpcache-9164CD33A9A0DE10CD61559674A64B239F07C4.bin.5B: unable to open Files/ProgramData/Microsoft/Windows Defender/Scans/mpcache
9164CD33A9AFODE10CD61559674A64B239F07C4.bin.5B: failed to open: unable to read the file: unexpected EOF

Operating System

windows

Version

v0.41.1

Checklist

• Run trivy image --reset
• Read the troubleshooting

[knqyf263]

Is it reproducible?

[varanasikalyan]

I've not run the reproduction yet @knqyf263. Shall update you soon.

[varanasikalyan]

Hi @knqyf263 I've provided the details of the windows image for which the file walk is erroring out. As this is a private registry.