Package: foomatic-filters Version: 4.0.17-3 Usertags: goto-cc During a rebuild of all Debian packages in a clean sid chroot (using cowbuilder and pbuilder) the build failed with the following error. Please note that we use our research compiler tool-chain (using tools from the cbmc package), which permits extended reporting on type inconsistencies at link time.
gcc -I/usr/include/dbus-1.0 -I/usr/lib/x86_64-linux-gnu/dbus-1.0/include -DHAVE_DBUS -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -Wl,-z,relro -o foomatic-rip foomatic_rip-foomaticrip.o foomatic_rip-options.o foomatic_rip-pdf.o foomatic_rip-postscript.o foomatic_rip-util.o foomatic_rip-spooler.o foomatic_rip-process.o foomatic_rip-renderer.o foomatic_rip-fileconverter.o foomatic_rip-colord.o -ldbus-1 -lm error: conflicting function declarations "print_pdf" old definition in module foomaticrip file pdf.h line 27 signed int (struct _IO_FILE *, const char *, unsigned long int, const char *, signed int) new definition in module pdf file pdf.c line 263 signed int (struct _IO_FILE *s, const char *alreadyread, unsigned long int len, const char *filename, unsigned long int startpos) Makefile:330: recipe for target 'foomatic-rip' failed make[3]: *** [foomatic-rip] Error 64 make[3]: Leaving directory '/srv/jenkins-slave/workspace/sid-goto-cc-foomatic-filters/foomatic-filters-4.0.17' Makefile:233: recipe for target 'all' failed For all platforms with sizeof(int)!=sizeof(unsigned long) this code has undefined behaviour as several bytes of the parameter startpos will take an arbitrary value. Assuming the parameter is used for what its name suggests, this will most likely be invalid memory accesses. Best, Michael
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