DPDK patches and discussions
 help / color / mirror / Atom feed
* [PATCH] app: fix mbuf_autotest in case of defined RTE_LIBRTE_MBUF_DEBUG
@ 2023-03-13 16:56 Pavel Ivashchenko
  2023-03-15 10:29 ` David Marchand
  2023-03-16 19:14 ` [PATCH v2 1/1] test/mbuf: fix mbuf autotest when mbuf debug is enabled Pavel Ivashchenko
  0 siblings, 2 replies; 6+ messages in thread
From: Pavel Ivashchenko @ 2023-03-13 16:56 UTC (permalink / raw)
  To: olivier.matz, konstantin.ananyev, mb, ajit.khaparde
  Cc: dev, Pavel Ivashchenko, stable

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: stable@dpdk.org

Signed-off-by: Pavel Ivashchenko <pivashchenko@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


^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2023-03-17  8:09 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-03-13 16:56 [PATCH] app: fix mbuf_autotest in case of defined RTE_LIBRTE_MBUF_DEBUG Pavel Ivashchenko
2023-03-15 10:29 ` David Marchand
2023-03-15 16:02   ` Olivier Matz
2023-03-16 19:14 ` [PATCH v2 1/1] test/mbuf: fix mbuf autotest when mbuf debug is enabled Pavel Ivashchenko
2023-03-17  8:02   ` Olivier Matz
2023-03-17  8:09     ` David Marchand

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).