[Nasm-bugs] [Bug 3392524] New: There are seious memory leaks in nasm2.14rc16.

[noreply-nasm at gorcunov.org]

https://bugzilla.nasm.us/show_bug.cgi?id=3392524

            Bug ID: 3392524
           Summary: There are seious memory leaks in nasm2.14rc16.
           Product: NASM
           Version: 2.14 (development)
          Hardware: All
                OS: All
            Status: OPEN
          Severity: normal
          Priority: Medium
         Component: Assembler
          Assignee: nobody at nasm.us
          Reporter: ganshuitao at gmail.com
                CC: gorcunov at gmail.com, hpa at zytor.com, nasm-bugs at nasm.us
     Obtained from: Build from source archive using configure

version:nasm2.14rc16
Summary: 

There are seious memory leaks in nasm2.14rc16. 

Description:

The asan debug is as follows:

$./nasm -f bin POC3 -o xxx
...
poc3:51: error: parser: instruction expected
poc3:40: ... from macro `proc' defined here
poc3:52: error: (arg:2) expression syntax error
poc3:45: ... from macro `arg' defined here
poc3:70: error: `%%to1': not in a macro call

=================================================================
==65340==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 512 byte(s) in 7 object(s) allocated from:
    #0 0x7ff7b336c9aa in malloc
(/usr/lib/x86_64-linux-gnu/libasan.so.2+0x989aa)
    #1 0x40e478 in nasm_malloc nasmlib/malloc.c:59
    #2 0x4bd707 
(/home/company/real_sanitize/poc_check/nasm/nasm_new_addr+0x4bd707)

Direct leak of 182 byte(s) in 30 object(s) allocated from:
    #0 0x7ff7b336c9aa in malloc
(/usr/lib/x86_64-linux-gnu/libasan.so.2+0x989aa)
    #1 0x40e478 in nasm_malloc nasmlib/malloc.c:59

Indirect leak of 144 byte(s) in 6 object(s) allocated from:
    #0 0x7ff7b336c9aa in malloc
(/usr/lib/x86_64-linux-gnu/libasan.so.2+0x989aa)
    #1 0x40e478 in nasm_malloc nasmlib/malloc.c:59

Indirect leak of 128 byte(s) in 4 object(s) allocated from:
    #0 0x7ff7b336c9aa in malloc
(/usr/lib/x86_64-linux-gnu/libasan.so.2+0x989aa)
    #1 0x40e478 in nasm_malloc nasmlib/malloc.c:59
    #2 0x4bd707 
(/home/company/real_sanitize/poc_check/nasm/nasm_new_addr+0x4bd707)

SUMMARY: AddressSanitizer: 966 byte(s) leaked in 47 allocation(s).

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