[Olsr-dev] olsrd-v1 / crashes on LEDE

[Henning Rogge]

On Thu, Sep 1, 2016 at 12:07 PM, Bastian Bittorf <(spam-protected)> wrote:

> today i tried a recent LEDE-project build
> and the daemon is crashing around every 3 minutes:
>
> it is:
> olsr.org-0.9.0.3-git_07ce883-hash_1643a845a3f42d0c0f9a329d69df70d6
>
> here the backtrace. i dont think it is oom... (enough resources)
>
> (spam-protected):/home/bastian/ledebot/lede-staging/staging$
> ./scripts/remote-gdb r148313.mips.olsrd.5825.11.1472722278.core
> build_dir/target-mips_24kc_musl-1.1.15/olsrd-0.9.0.3/
> ipkg-mips_24kc/olsrd/usr/sbin/olsrd
> Using target mips_24kc (musl-1.1.15)
> GNU gdb (GDB) 7.11.1
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> --target=mips-openwrt-linux-musl".
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> Reading symbols from
> build_dir/target-mips_24kc_musl-1.1.15/olsrd-0.9.0.3/
> ipkg-mips_24kc/olsrd/usr/sbin/olsrd...(no
> debugging symbols found)...done.
> [New LWP 5825]
> warning: Can't read pathname for load map: Unknown error -1.
> Core was generated by `/usr/sbin/olsrd -f /var/etc/olsrd.conf -nofork'.
> Program terminated with signal SIGSEGV, Segmentation fault.
> #0  a_crash () at ./src/internal/atomic.h:250
> 250             *(volatile char *)0=0;
> (gdb) bt full
> #0  a_crash () at ./src/internal/atomic.h:250
> No locals.
> #1  free (p=0x9795c0) at src/malloc/malloc.c:464
>         self = 0x9795b8
>         next = 0x9795d8
>         final_size = 32
>         new_size = 32
>         size = <optimized out>
>         reclaim = 0
> #2  0x0040983d in olsr_destroy_parser ()
>

Hmm... this would mean the routing agent is already in the process of
shutting down when this happens.

A segfault in a free() call which is not NULL should either be a "double
free()" or just memory corruption.

No symbol table info available.
> Backtrace stopped: frame did not save the PC
> (gdb)
>
>
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