abrt 1.0.9 detected a crash. architecture: x86_64 Attached file: backtrace cmdline: rpmbuild -bb jboss.spec component: rpm crash_function: fdGetFp executable: /usr/bin/rpmbuild global_uuid: 3177ee6dd4fd223bc9ee11d26cbb69006628037e kernel: 2.6.32.12-115.fc12.x86_64 package: rpm-build-4.7.2-1.fc12 rating: 4 reason: Process /usr/bin/rpmbuild was killed by signal 11 (SIGSEGV) release: Fedora release 12 (Constantine) comment ----- The definition of jboss.spec has the following macro (BAD): BuildRoot: %(mktemp -ud %{_tmppath}/%{name}-%{version}-%{release}-XXXXXX} Should be: BuildRoot: %(mktemp -ud %{_tmppath}/%{name}-%{version}-%{release}-XXXXXX) Last ")" was bad replaced by "}". How to reproduce ----- 1. rpmbuild -bb jboss.spec
Created attachment 421635 [details] File: backtrace
Where can I find this particular jboss.spec to reproduce the issue?
(In reply to comment #2) > Where can I find this particular jboss.spec to reproduce the issue? The segmentation fault is immediately and happens even before the %prep phase. It happens because the BuildRoot line: # BAD syntax: Last ")" was bad replaced by "}". BuildRoot: %(mktemp -ud %{_tmppath}/%{name}-%{version}-%{release}-XXXXXX} # Should be and works fine BuildRoot: %(mktemp -ud %{_tmppath}/%{name}-%{version}-%{release}-XXXXXX) I think the jboss.spec has a lot of information that I believe isn't important for analysis. However I'll try to create a simpler one just with the sufficient information to generate the crash (I'll post here soon as I can).
Created attachment 421987 [details] the jboss.spec file
Thanks, easily reproduced with that.
As I kinda suspected, there's no "minimal" reproducer for this: the spec parser is looking for the closing parenthesis and overruns the spec linebuffer while doing so (case of a missing bounds check), and this wont happen with the "minimal reproducer" spec sizes.
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