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pkg/ccn-lite: Fix use after free bug

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This fixes compilation with GCC >= 12.x, which is unhappy about the use
after free:

    /home/maribu/Repos/software/RIOT/build/pkg/ccn-lite/src/ccnl-core/src/ccnl-relay.c: In function 'ccnl_fib_rem_entry':
    /home/maribu/Repos/software/RIOT/build/pkg/ccn-lite/src/ccnl-core/src/ccnl-relay.c:916:16: error: pointer 'fwd' used after 'free' [-Werror=use-after-free]
      916 |         if (fwd->face) {
          |             ~~~^~~~~~
    In file included from /home/maribu/Repos/software/RIOT/build/pkg/ccn-lite/src/ccnl-core/src/ccnl-relay.c:33:
    /home/maribu/Repos/software/RIOT/build/pkg/ccn-lite/src/ccnl-core/../ccnl-riot/include/ccn-lite-riot.h:52:41: note: call to 'free' here
       52 | #define ccnl_free(p)                    free(p)
          |                                         ^~~~~~~
    /home/maribu/Repos/software/RIOT/build/pkg/ccn-lite/src/ccnl-core/src/ccnl-relay.c:910:13: note: in expansion of macro 'ccnl_free'
      910 |             ccnl_free(fwd);
          |             ^~~~~~~~~
    /home/maribu/Repos/software/RIOT/build/pkg/ccn-lite/src/ccnl-core/src/ccnl-relay.c: In function 'ccnl_fib_rem_entry':
    /home/maribu/Repos/software/RIOT/build/pkg/ccn-lite/src/ccnl-core/src/ccnl-relay.c:916:16: error: pointer 'fwd' used after 'free' [-Werror=use-after-free]
      916 |         if (fwd->face) {
          |             ~~~^~~~~~
    In file included from /home/maribu/Repos/software/RIOT/build/pkg/ccn-lite/src/ccnl-core/src/ccnl-relay.c:33:
    /home/maribu/Repos/software/RIOT/build/pkg/ccn-lite/src/ccnl-riot/include/ccn-lite-riot.h:52:41: note: call to free' here
       52 | #define ccnl_free(p)                    free(p)
          |                                         ^~~~~~~
    /home/maribu/Repos/software/RIOT/build/pkg/ccn-lite/src/ccnl-core/src/ccnl-relay.c:910:13: note: in expansion of macro 'ccnl_free'
      910 |             ccnl_free(fwd);
          |             ^~~~~~~~~
This commit is contained in:
Marian Buschsieweke 2022-11-11 22:16:47 +01:00
parent 225521efa0
commit d605b58a91
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1 changed files with 0 additions and 0 deletions
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