[Bug-gsl] [bug #39101] valgrind finds errors in block/test.c

[Patrick Alken]

URL:
  <http://savannah.gnu.org/bugs/?39101>

                 Summary: valgrind finds errors in block/test.c
                 Project: GNU Scientific Library
            Submitted by: psa
            Submitted on: Tue 28 May 2013 05:50:41 PM GMT
                Category: Runtime error
                Severity: 3 - Normal
        Operating System: all
                  Status: Confirmed
             Assigned to: None
             Open/Closed: Open
                 Release: 
         Discussion Lock: Any

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Details:

==8495== Syscall param write(buf) points to uninitialised byte(s)
==8495==    at 0x30008DB650: __write_nocancel (in /lib64/libc-2.12.so)
==8495==    by 0x3000871D52: _IO_file_write@@GLIBC_2.2.5 (in
/lib64/libc-2.12.so)
==8495==    by 0x3000871C19: _IO_file_xsputn@@GLIBC_2.2.5 (in
/lib64/libc-2.12.so)
==8495==    by 0x3000867CCC: fwrite (in /lib64/libc-2.12.so)
==8495==    by 0x408C67: gsl_block_long_double_fwrite (fwrite_source.c:44)
==8495==    by 0x403198: test_long_double_binary (test_source.c:85)
==8495==    by 0x40431E: main (test.c:184)
==8495==  Address 0x4cc097c is 12 bytes inside a block of size 16,432 alloc'd
==8495==    at 0x4A069EE: malloc (vg_replace_malloc.c:270)
==8495==    by 0x405033: gsl_block_long_double_alloc (init_source.c:39)
==8495==    by 0x4050C8: gsl_block_long_double_calloc (init_source.c:59)
==8495==    by 0x40312F: test_long_double_binary (test_source.c:76)
==8495==    by 0x40431E: main (test.c:184)
==8495== 
==8495== Syscall param write(buf) points to uninitialised byte(s)
==8495==    at 0x30008DB650: __write_nocancel (in /lib64/libc-2.12.so)
==8495==    by 0x3000871D52: _IO_file_write@@GLIBC_2.2.5 (in
/lib64/libc-2.12.so)
==8495==    by 0x3000873304: _IO_do_write@@GLIBC_2.2.5 (in
/lib64/libc-2.12.so)
==8495==    by 0x3000872ADF: _IO_file_close_it@@GLIBC_2.2.5 (in
/lib64/libc-2.12.so)
==8495==    by 0x3000866777: fclose@@GLIBC_2.2.5 (in /lib64/libc-2.12.so)
==8495==    by 0x4031A0: test_long_double_binary (test_source.c:87)
==8495==    by 0x40431E: main (test.c:184)
==8495==  Address 0x4c0e00c is not stack'd, malloc'd or (recently) free'd
==8495== 
Completed [168/168]
==8495== 
==8495== HEAP SUMMARY:
==8495==     in use at exit: 0 bytes in 0 blocks
==8495==   total heap usage: 224 allocs, 224 frees, 735,620 bytes allocated
==8495== 
==8495== All heap blocks were freed -- no leaks are possible
==8495== 
==8495== For counts of detected and suppressed errors, rerun with: -v
==8495== Use --track-origins=yes to see where uninitialised values come from
==8495== ERROR SUMMARY: 4 errors from 2 contexts (suppressed: 6 from 6)





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