On 25-Jul-19 2:27 PM, Aaron Conole wrote:
hgovindh <hariprasad.govindhara...@intel.com> writes:
Fix unaligned memory access when reading IPv6 header which
leads to segmentation fault by changing aligned memory read
to unaligned memory read.
Bugzilla ID: 279
Fixes: 64d3955de1de ("examples/l3fwd: fix ARM build")
Cc: maciej.cze...@caviumnetworks.com
Cc: sta...@dpdk.org
Signed-off-by: hgovindh <hariprasad.govindhara...@intel.com>
---
examples/l3fwd/l3fwd_em.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/examples/l3fwd/l3fwd_em.c b/examples/l3fwd/l3fwd_em.c
index fa8f82be6..f0c443dae 100644
--- a/examples/l3fwd/l3fwd_em.c
+++ b/examples/l3fwd/l3fwd_em.c
@@ -285,7 +285,7 @@ em_get_ipv6_dst_port(void *ipv6_hdr, uint16_t portid, void
*lookup_struct)
* Get part of 5 tuple: dst IP address lower 96 bits
* and src IP address higher 32 bits.
*/
- key.xmm[1] = *(xmm_t *)data1;
+ key.xmm[1] = _mm_loadu_si128((xmm_t *)data1);
Nak. Please use a generic unaligned load, rather than an intel specific
one. Otherwise, supported platforms like arm64 will have broken builds.
Additionally, which chip and compiler did you use to get this error?
I have reproduced this error on Intel Xeon E5-2699 and GCC 7.4 (Ubuntu
18.04).
/*
* Get part of 5 tuple: dst port and src port
--
Thanks,
Anatoly
