frr/SOURCES/0014-bfd-profile-crash.patch

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2023-10-17 13:49:46 +00:00
From 4b793d1eb35ab5794db12725a28fcdb4fef23af7 Mon Sep 17 00:00:00 2001
From: Igor Ryzhov <iryzhov@nfware.com>
Date: Thu, 1 Apr 2021 15:29:18 +0300
Subject: [PATCH] bfdd: remove profiles when removing bfd node
Fixes #8379.
Signed-off-by: Igor Ryzhov <iryzhov@nfware.com>
---
bfdd/bfd.c | 8 ++++++++
bfdd/bfd.h | 1 +
bfdd/bfdd_nb_config.c | 1 +
3 files changed, 10 insertions(+)
diff --git a/bfdd/bfd.c b/bfdd/bfd.c
index c966efd8ea71..cf292a836354 100644
--- a/bfdd/bfd.c
+++ b/bfdd/bfd.c
@@ -1889,6 +1889,14 @@ void bfd_sessions_remove_manual(void)
hash_iterate(bfd_key_hash, _bfd_session_remove_manual, NULL);
}
+void bfd_profiles_remove(void)
+{
+ struct bfd_profile *bp;
+
+ while ((bp = TAILQ_FIRST(&bplist)) != NULL)
+ bfd_profile_free(bp);
+}
+
/*
* Profile related hash functions.
*/
diff --git a/bfdd/bfd.h b/bfdd/bfd.h
index af3f92d6a8f8..9ee1da728717 100644
--- a/bfdd/bfd.h
+++ b/bfdd/bfd.h
@@ -596,6 +596,7 @@ void bfd_session_free(struct bfd_session *bs);
const struct bfd_session *bfd_session_next(const struct bfd_session *bs,
bool mhop);
void bfd_sessions_remove_manual(void);
+void bfd_profiles_remove(void);
/**
* Set the BFD session echo state.
diff --git a/bfdd/bfdd_nb_config.c b/bfdd/bfdd_nb_config.c
index 0046bc625b45..77f8cbd09c07 100644
--- a/bfdd/bfdd_nb_config.c
+++ b/bfdd/bfdd_nb_config.c
@@ -203,6 +203,7 @@ int bfdd_bfd_destroy(struct nb_cb_destroy_args *args)
case NB_EV_APPLY:
bfd_sessions_remove_manual();
+ bfd_profiles_remove();
break;
case NB_EV_ABORT:
diff --git a/bfdd/bfdd_nb_config.c b/bfdd/bfdd_nb_config.c
index 77f8cbd09c07..4030e2eefa50 100644
--- a/bfdd/bfdd_nb_config.c
+++ b/bfdd/bfdd_nb_config.c
@@ -186,7 +186,15 @@ static int bfd_session_destroy(enum nb_event event,
*/
int bfdd_bfd_create(struct nb_cb_create_args *args)
{
- /* NOTHING */
+ if (args->event != NB_EV_APPLY)
+ return NB_OK;
+
+ /*
+ * Set any non-NULL value to be able to call
+ * nb_running_unset_entry in bfdd_bfd_destroy.
+ */
+ nb_running_set_entry(args->dnode, (void *)0x1);
+
return NB_OK;
}
@@ -202,6 +210,12 @@ int bfdd_bfd_destroy(struct nb_cb_destroy_args *args)
return NB_OK;
case NB_EV_APPLY:
+ /*
+ * We need to call this to unset pointers from
+ * the child nodes - sessions and profiles.
+ */
+ nb_running_unset_entry(args->dnode);
+
bfd_sessions_remove_manual();
bfd_profiles_remove();
break;
diff --git a/bfdd/bfdd_cli.c b/bfdd/bfdd_cli.c
index b64e36b36a44..5a844e56e121 100644
--- a/bfdd/bfdd_cli.c
+++ b/bfdd/bfdd_cli.c
@@ -486,7 +486,7 @@ void bfd_cli_show_echo_interval(struct vty *vty, struct lyd_node *dnode,
* Profile commands.
*/
DEFPY_YANG_NOSH(bfd_profile, bfd_profile_cmd,
- "profile WORD$name",
+ "profile BFDPROF$name",
BFD_PROFILE_STR
BFD_PROFILE_NAME_STR)
{
diff --git a/vtysh/vtysh.c b/vtysh/vtysh.c
index 74f13e1a44e8..cf1811bb1f2f 100644
--- a/vtysh/vtysh.c
+++ b/vtysh/vtysh.c
@@ -1959,7 +1959,7 @@ DEFUNSH(VTYSH_BFDD, bfd_peer_enter, bfd_peer_enter_cmd,
}
DEFUNSH(VTYSH_BFDD, bfd_profile_enter, bfd_profile_enter_cmd,
- "profile WORD",
+ "profile BFDPROF",
BFD_PROFILE_STR
BFD_PROFILE_NAME_STR)
{