https://bugs.exim.org/show_bug.cgi?id=2320
Petr Pisar <[email protected]> changed: What |Removed |Added ---------------------------------------------------------------------------- Attachment #1125|0 |1 is obsolete| | --- Comment #2 from Petr Pisar <[email protected]> --- Created attachment 1126 --> https://bugs.exim.org/attachment.cgi?id=1126&action=edit Reduced test case The input file can be reduced to: $ hexdump -C /tmp/test 00000000 2f 2c 7c 5c 58 7b 33 2c 33 7d 7c 2f 0a 2f 0d 5c |/,|\X{3,3}|/./.\| 00000010 6e 0a |n.| 00000012 and reproduced with PCRE2 10.32: $ libtool --mode=execute valgrind ./pcre2test -8 -jit /tmp/test ==23259== Memcheck, a memory error detector ==23259== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al. ==23259== Using Valgrind-3.14.0.GIT and LibVEX; rerun with -h for copyright info ==23259== Command: /home/test/fedora/pcre2/pcre2-10.32/.libs/lt-pcre2test -8 -jit /tmp/test ==23259== PCRE2 version 10.32 2018-09-10 /,|\X{3,3}|/ \n ==23259== Invalid read of size 1 ==23259== at 0x48BBABE: do_extuni_no_utf (pcre2_jit_compile.c:7291) ==23259== by 0x5036135: ??? ==23259== by 0x4C5AB8C: ??? ==23259== Address 0x4c5ab90 is 0 bytes after a block of size 16,384 alloc'd ==23259== at 0x4838748: malloc (vg_replace_malloc.c:298) ==23259== by 0x483AD63: realloc (vg_replace_malloc.c:826) ==23259== by 0x11F8D9: process_data (pcre2test.c:6422) ==23259== by 0x111D75: main (pcre2test.c:8655) ==23259== 0: ERROR: bad value(s) for offset(s): 0x0 0x4 ==23259== ==23259== HEAP SUMMARY: ==23259== in use at exit: 0 bytes in 0 blocks ==23259== total heap usage: 32 allocs, 32 frees, 148,230 bytes allocated ==23259== ==23259== All heap blocks were freed -- no leaks are possible ==23259== ==23259== For counts of detected and suppressed errors, rerun with: -v ==23259== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0) -- You are receiving this mail because: You are on the CC list for the bug. -- ## List details at https://lists.exim.org/mailman/listinfo/pcre-dev
