gistfile1.txt

valgrind
segmentation fault

gistfile2.txt

fixed in valgrind: r11813 - trunk

gistfile3.txt

svn co svn://svn.valgrind.org/valgrind/trunk valgrind && cd valgrind && ./autogen.sh && ./configure && make && make install

gistfile4.txt

valgrind --leak-check=yes ./main
==30652== Memcheck, a memory error detector
==30652== Copyright (C) 2002-2010, and GNU GPL'd, by Julian Seward et al.
==30652== Using Valgrind-3.7.0.SVN and LibVEX; rerun with -h for copyright info
==30652== Command: ./main
==30652== 
==30652== Invalid write of size 4
==30652==    at 0x100000EEE: f (main.c:6)
==30652==    by 0x100000EFE: main (main.c:11)
==30652==  Address 0x100004108 is 0 bytes after a block of size 40 alloc'd
==30652==    at 0xE3A5: malloc (vg_replace_malloc.c:236)
==30652==    by 0x100000EE1: f (main.c:5)
==30652==    by 0x100000EFE: main (main.c:11)
==30652== 
==30652== 
==30652== HEAP SUMMARY:
==30652==     in use at exit: 128 bytes in 2 blocks
==30652==   total heap usage: 2 allocs, 0 frees, 128 bytes allocated
==30652== 
==30652== 40 bytes in 1 blocks are definitely lost in loss record 1 of 2
==30652==    at 0xE3A5: malloc (vg_replace_malloc.c:236)
==30652==    by 0x100000EE1: f (main.c:5)
==30652==    by 0x100000EFE: main (main.c:11)
==30652== 
==30652== LEAK SUMMARY:
==30652==    definitely lost: 40 bytes in 1 blocks
==30652==    indirectly lost: 0 bytes in 0 blocks
==30652==      possibly lost: 0 bytes in 0 blocks
==30652==    still reachable: 0 bytes in 0 blocks
==30652==         suppressed: 88 bytes in 1 blocks
==30652== 
==30652== For counts of detected and suppressed errors, rerun with: -v
==30652== ERROR SUMMARY: 2 errors from 2 contexts (suppressed: 0 from 0)