On Mon, Feb 13, 2023 at 09:32:56PM +0100, Patrice Dumas wrote: > > May be fixed in > https://git.savannah.gnu.org/cgit/texinfo.git/commit/?id=606f3c94201213524b0f1a776b559126dfc973c9 > > But not sure that it is exactly the same error as the one valgrind > reports.
It doesn't segfault anymore but there is still an error. I simplified the test case to \input texinfo @deffn NNN @bye which is invalid input, but still shouldn't have valgrind errors. In the log file there is: ==309255== Invalid read of size 4 ==309255== at 0x6EB0093: relocate_source_marks (source_marks.c:215) ==309255== by 0x6EADF19: split_def_args (def.c:284) ==309255== by 0x6EADF19: parse_def (def.c:309) ==309255== by 0x6EA4511: end_line_def_line (end_line.c:2121) ==309255== by 0x6EA4D9F: end_line_starting_block (end_line.c:1027) ==309255== by 0x6EA7257: end_line (end_line.c:2392) ==309255== by 0x6E9CAB3: process_remaining_on_line (parser.c:2212) ==309255== by 0x6E9DE9E: parse_texi (parser.c:2342) ==309255== by 0x6E9688C: parse_file (api.c:210) ==309255== by 0x6E94DB3: XS_Texinfo__Parser_parse_file (Parsetexi.c:222) ==309255== by 0x2119D7: Perl_pp_entersub (in /usr/bin/perl) ==309255== by 0x208135: Perl_runops_standard (in /usr/bin/perl) ==309255== by 0x17B8DB: perl_run (in /usr/bin/perl) ==309255== Address 0x4e08fe0 is 0 bytes after a block of size 0 alloc'd ==309255== at 0x483DD99: calloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so) ==309255== by 0x6EAFFF4: relocate_source_marks (source_marks.c:194) ==309255== by 0x6EADF19: split_def_args (def.c:284) ==309255== by 0x6EADF19: parse_def (def.c:309) ==309255== by 0x6EA4511: end_line_def_line (end_line.c:2121) ==309255== by 0x6EA4D9F: end_line_starting_block (end_line.c:1027) ==309255== by 0x6EA7257: end_line (end_line.c:2392) ==309255== by 0x6E9CAB3: process_remaining_on_line (parser.c:2212) ==309255== by 0x6E9DE9E: parse_texi (parser.c:2342) ==309255== by 0x6E9688C: parse_file (api.c:210) ==309255== by 0x6E94DB3: XS_Texinfo__Parser_parse_file (Parsetexi.c:222) ==309255== by 0x2119D7: Perl_pp_entersub (in /usr/bin/perl) ==309255== by 0x208135: Perl_runops_standard (in /usr/bin/perl) ==309255== ==309255== ==309255== HEAP SUMMARY: ==309255== in use at exit: 17,072,077 bytes in 61,701 blocks ==309255== total heap usage: 200,510 allocs, 138,809 frees, 40,497,199 bytes allocated ==309255== ==309255== LEAK SUMMARY: ==309255== definitely lost: 37,016 bytes in 36 blocks ==309255== indirectly lost: 61,240 bytes in 28 blocks ==309255== possibly lost: 16,707,290 bytes in 61,365 blocks ==309255== still reachable: 266,531 bytes in 272 blocks ==309255== of which reachable via heuristic: ==309255== newarray : 151,240 bytes in 4,248 blocks ==309255== suppressed: 0 bytes in 0 blocks Also, "a block of size 0" allocated looks unusual.
