Exiv2

02 Jan 2016

08:29 Exiv2 Bug #1147: writeMetadata overwrites files without the +w bit

Now I'm embarrassed. My MUSL tests were all run in a container and as the root user, and I've just now discovered tha... Dan Fandrich

08:07 Exiv2 Bug #1147: writeMetadata overwrites files without the +w bit

I did some more tests and discovered the attached program fails with MUSL as well, so it looks like a pure MUSL issue. Dan Fandrich

07:30 Exiv2 Bug #1147: writeMetadata overwrites files without the +w bit

I built exiv2 0.25 from source and commented the mmap/munmap lines from exv_conf.h, but it still failed. Since the pr... Dan Fandrich

07:15 Exiv2 Bug #1147: writeMetadata overwrites files without the +w bit

This is the output:
exiv2=0.25.0
platform=linux
compiler=G++
bits=64
dll=1
debug=0
version=5.2.0
date=Nov 1... Dan Fandrich

01 Jan 2016

22:25 Exiv2 Bug #1147: writeMetadata overwrites files without the +w bit

I was able to quickly build the test program against exiv2 0.25 with glibc 2.20, and it works correctly (Permission d... Dan Fandrich

22:05 Exiv2 Bug #1147: writeMetadata overwrites files without the +w bit

Sorry, I forgot to mention it before: this was on Linux 4.1.13 x86_64 with MUSL 1.1. It occurs to me now that the wor... Dan Fandrich

20:57 Exiv2 Bug #1147 (Closed): writeMetadata overwrites files without the +w bit

Exiv2::JpegBase::writeMetadata will overwrite a read-only file instead of returning an error message. If ro.jpg is a ... Dan Fandrich