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eina log - handle possible overflow from high mem (last few bytes) or env 

fixes CID 1361219
if you had an env var a few gb in size or we had stuff in the last bit
of memory address space this might be an issue, but that won't happen.

@fix
This commit is contained in:
Carsten Haitzler 2016-08-06 15:53:18 +09:00
parent 20c6bd296b
commit 83752435cf
1 changed files with 5 additions and 2 deletions
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7
src/lib/eina/eina_log.c
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@ -1021,9 +1021,12 @@ eina_log_domain_parse_pending_globs(void)
level = strtol((char *)(end + 1), &tmp, 10);
if (tmp == (end + 1))
goto parse_end;
// If the name of the log is more than 64k it's silly so give up
// as it's pointless and in theory could overflow pointer
if ((end - start) > 0xffff)
break;
// Parse name
p = malloc(sizeof(Eina_Log_Domain_Level_Pending) + end - start + 1);
p = malloc(sizeof(Eina_Log_Domain_Level_Pending) + (end - start) + 1);
if (!p)
break;