[Bug 878] New: segfault running example/sets_and_maps

[bugzilla-daemon at netfilter.org]

https://bugzilla.netfilter.org/show_bug.cgi?id=878

           Summary: segfault running example/sets_and_maps
           Product: nftables
           Version: unspecified
          Platform: x86_64
        OS/Version: All
            Status: NEW
          Severity: major
          Priority: P5
         Component: nft
        AssignedTo: pablo at netfilter.org
        ReportedBy: bjornar.ness at gmail.com
   Estimated Hours: 0.0


running current git of libmnl/libnftables/nftables and 3.13-rc1

valgrind output:

Memcheck, a memory error detector
Copyright (C) 2002-2012, and GNU GPL'd, by Julian Seward et al.
Using Valgrind-3.8.1 and LibVEX; rerun with -h for copyright info
Command: ./sets_and_maps

Invalid write of size 8
   at 0x4062B1: symbol_bind (list.h:49)
   by 0x418B62: nft_parse (parser.y:489)
   by 0x4054DD: nft_run (main.c:205)
   by 0x405189: main (main.c:321)
 Address 0x0 is not stack'd, malloc'd or (recently) free'd


Process terminating with default action of signal 11 (SIGSEGV)
 Access not within mapped region at address 0x0
   at 0x4062B1: symbol_bind (list.h:49)
   by 0x418B62: nft_parse (parser.y:489)
   by 0x4054DD: nft_run (main.c:205)
   by 0x405189: main (main.c:321)
 If you believe this happened as a result of a stack
 overflow in your program's main thread (unlikely but
 possible), you can try to increase the size of the
 main thread stack using the --main-stacksize= flag.
 The main thread stack size used in this run was 8388608.

HEAP SUMMARY:
    in use at exit: 153,142 bytes in 17 blocks
  total heap usage: 20 allocs, 3 frees, 154,283 bytes allocated

LEAK SUMMARY:
   definitely lost: 0 bytes in 0 blocks
   indirectly lost: 0 bytes in 0 blocks
     possibly lost: 0 bytes in 0 blocks
   still reachable: 153,142 bytes in 17 blocks
        suppressed: 0 bytes in 0 blocks
Rerun with --leak-check=full to see details of leaked memory

For counts of detected and suppressed errors, rerun with: -v
ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 2 from 2)

Segmentation fault (core dumped)

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