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Description of problem: NetworkManager core dumps if the root filesystem is read-only due to incorrect handling of errors when updating /etc/resolv.conf. Version-Release number of selected component (if applicable): FC6, probably all others. How reproducible: Allow NetworkManager to bring up an interface on a system with a readonly root filesystem. In nm-named-manager.c::rewrite_resolv_conf we try to fopen a temporary file to hold the new contents for /etc/resolv.conf. If that fopen fails "f" will be set to NULL and we "goto lose" to gracefully handle the error condition. Unfortunately, the error handling code blindly does an "fclose (f)", which will core dump if "f" is NULL. The right thing to do is close the stream if and only if it is non-NULL. Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info:
Created attachment 140031 [details] close stream iff it is non-null on error
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This bug is open for a Fedora version that is no longer maintained and will not be fixed by Fedora. Therefore we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen thus bug against that version. Thank you for reporting this bug and we are sorry it could not be fixed.