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Jul 5 00:41:06 sen-fw1 kernel: [274422.060695] conntrackd[4821]: segfault at 0 ip 000000000040c660 sp 00007fffebb098a8 error 4 in conntrackd[400000+3d000]
> #0 0x000000000040f217 in jhash2 (k=0x0, length=4, initval=0) at ../include/jhash.h:99
> a = 2654435769 b = 2654435769 c = 0 len = 4
> #1 0x000000000040f564 in ct_filter_hash6 (data=0x0, table=0x16ef630) at filter.c:57
> #2 0x000000000040ad34 in hashtable_hash (table=0x16ef630, data=0x0) at hash.c:63
> #3 0x000000000040fd19 in __ct_filter_test_ipv6 (f=0x16eeba0, ct=0x1703760) at filter.c:265
> id_src = 51 id_dst = 24051376 src = 0x1703760 dst = 0x0
The master conntrack of the expectation has no reply tuple. However, the
filtering routine needs it. To avoid this issue, emulate the source
address in the reply tuple.
While at it, fix incorrect sanity checking that should have caught
this issue.
Thanks to Florian Westphal for initial diagnosing of this bug.
Reported-by: Bill Fink <billfink@mindspring.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Several includes are missing when netfilter libs are not in the
standard path.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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I'll need for the upcoming cthelper infrastructure. Moreover, we avoid
more fragmentation in the netfilter user-space utilities. And the plan
is that `nfct' will replace `conntrack' at some point.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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PKG_CHECK_MODULES already produces its own (and more verbose)
messsage when a module cannot be found.
Mucking around with CFLAGS and LIBS is also not needed since
pkgconfig takes care of providing variables, so let's use them in
Makefile.am.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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This patch replaces INCLUDES by AM_CPPFLAGS according to a
suggestion from autoreconf.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch removes the -Werror option during the compilation. Some users
have reported problems related to the code generated by flex and bison.
This results in useless reports and a bad experience for end-users.
Ideally, it would be great to have something like 'autoconf prettify'
for less verbose output.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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enable gcc warnings, including -Werror
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chain
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- use Make_global.am
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