How to reproduce:
1. Define RTE_LIBRTE_MBUF_DEBUG
2. MALLOC_PERTURB_=178 DPDK_TEST=mbuf_autotest gdb --args
obj-x86_64-linux-gnu/app/test/dpdk-test --file-prefix=mbuf_autotest
PANIC in rte_mbuf_sanity_check():
bad pkt_len
...
#6 0x00007ffff7d3d4cc in rte_mbuf_sanity_check (m=m@entry=0x17f8c3400,
is_header=is_header@entry=1) at ../lib/mbuf/rte_mbuf.c:384
#7 0x0000555555653d57 in rte_pktmbuf_free (m=0x17f8c3400) at
../lib/mbuf/rte_mbuf.h:1385
#8 0x000055555565c7a6 in test_nb_segs_and_next_reset () at
../app/test/test_mbuf.c:2752
#9 test_mbuf () at ../app/test/test_mbuf.c:2967
...
(gdb) frame 6
#6 0x00007ffff7d3d4cc in rte_mbuf_sanity_check (m=m@entry=0x17f8c3400,
is_header=is_header@entry=1) at ../lib/mbuf/rte_mbuf.c:384
384 rte_panic("%s\n", reason);
(gdb) p/d m->pkt_len
$4 = 1500
Fixes: efc6f9104c80 ("mbuf: fix reset on mbuf free")
Cc: sta...@dpdk.org
Signed-off-by: Pavel Ivashchenko <pivashche...@nfware.com>
---
app/test/test_mbuf.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/app/test/test_mbuf.c b/app/test/test_mbuf.c
index 6cbb03b0af..d471a23805 100644
--- a/app/test/test_mbuf.c
+++ b/app/test/test_mbuf.c
@@ -2744,6 +2744,7 @@ test_nb_segs_and_next_reset(void)
/* split m0 chain in two, between m1 and m2 */
m0->nb_segs = 2;
+ m0->pkt_len -= 500;
m1->next = NULL;
m2->nb_segs = 1;
--
2.39.0
