From: James Simmons <jsimmons@infradead.org>
To: Andreas Dilger <adilger@whamcloud.com>,
Oleg Drokin <green@whamcloud.com>, NeilBrown <neilb@suse.de>
Cc: Cyril Bordage <cbordage@whamcloud.com>,
Lustre Development List <lustre-devel@lists.lustre.org>
Subject: [lustre-devel] [PATCH 31/40] lnet: remove crash with UDSP
Date: Sun, 9 Apr 2023 08:13:11 -0400 [thread overview]
Message-ID: <1681042400-15491-32-git-send-email-jsimmons@infradead.org> (raw)
In-Reply-To: <1681042400-15491-1-git-send-email-jsimmons@infradead.org>
From: Cyril Bordage <cbordage@whamcloud.com>
The following sequence of commands caused a crash:
# lnetctl udsp add --dst tcp --prio 1
# lnetctl discover 192.168.122.60@tcp
Pointer to lnet_peer_net in udsp_info is checked before used.
WC-bug-id: https://jira.whamcloud.com/browse/LU-15944
Lustre-commit: c56b9455f05f760ae ("LU-15944 lnet: remove crash with UDSP")
Signed-off-by: Cyril Bordage <cbordage@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/48801
Reviewed-by: Chris Horn <chris.horn@hpe.com>
Reviewed-by: Serguei Smirnov <ssmirnov@whamcloud.com>
Reviewed-by: Frank Sehr <fsehr@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
---
net/lnet/lnet/udsp.c | 21 +++++++++++++--------
1 file changed, 13 insertions(+), 8 deletions(-)
diff --git a/net/lnet/lnet/udsp.c b/net/lnet/lnet/udsp.c
index deaca51..eb9a614 100644
--- a/net/lnet/lnet/udsp.c
+++ b/net/lnet/lnet/udsp.c
@@ -74,13 +74,17 @@
* from the policy list.
*
* Generally, the syntax is as follows
- * lnetctl policy <add | del | show>
- * --src: ip2nets syntax specifying the local NID to match
- * --dst: ip2nets syntax specifying the remote NID to match
- * --rte: ip2nets syntax specifying the router NID to match
- * --priority: Priority to apply to rule matches
- * --idx: Index of where to insert or delete the rule
- * By default add appends to the end of the rule list
+ * lnetctl udsp add: add a udsp
+ * --src: ip2nets syntax specifying the local NID to match
+ * --dst: ip2nets syntax specifying the remote NID to match
+ * --rte: ip2nets syntax specifying the router NID to match
+ * --priority: priority value (0 - highest priority)
+ * --idx: index of where to insert the rule.
+ * By default, appends to the end of the rule list.
+ * lnetctl udsp del: delete a udsp
+ * --idx: index of the Policy.
+ * lnetctl udsp show: show udsps
+ * --idx: index of the policy to show.
*
* Author: Amir Shehata
*/
@@ -536,7 +540,8 @@ enum udsp_apply {
/* check if looking for a net match */
if (!rc &&
- (lnet_get_list_len(&lp_match->ud_addr_range) ||
+ (!udi->udi_lpn ||
+ lnet_get_list_len(&lp_match->ud_addr_range) ||
!cfs_match_net(udi->udi_lpn->lpn_net_id,
lp_match->ud_net_id.udn_net_type,
&lp_match->ud_net_id.udn_net_num_range))) {
--
1.8.3.1
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next prev parent reply other threads:[~2023-04-09 12:40 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-09 12:12 [lustre-devel] [PATCH 00/40] lustre: backport OpenSFS changes from March XX, 2023 James Simmons
2023-04-09 12:12 ` [lustre-devel] [PATCH 01/40] lustre: protocol: basic batching processing framework James Simmons
2023-04-09 12:12 ` [lustre-devel] [PATCH 02/40] lustre: lov: fiemap improperly handles fm_extent_count=0 James Simmons
2023-04-09 12:12 ` [lustre-devel] [PATCH 03/40] lustre: llite: SIGBUS is possible on a race with page reclaim James Simmons
2023-04-09 12:12 ` [lustre-devel] [PATCH 04/40] lustre: osc: page fault in osc_release_bounce_pages() James Simmons
2023-04-09 12:12 ` [lustre-devel] [PATCH 05/40] lustre: readahead: add stats for read-ahead page count James Simmons
2023-04-09 12:12 ` [lustre-devel] [PATCH 06/40] lustre: quota: enforce project quota for root James Simmons
2023-04-09 12:12 ` [lustre-devel] [PATCH 07/40] lustre: ldlm: send the cancel RPC asap James Simmons
2023-04-09 12:12 ` [lustre-devel] [PATCH 08/40] lustre: enc: align Base64 encoding with RFC 4648 base64url James Simmons
2023-04-09 12:12 ` [lustre-devel] [PATCH 09/40] lustre: quota: fix insane grant quota James Simmons
2023-04-09 12:12 ` [lustre-devel] [PATCH 10/40] lustre: llite: check truncated page in ->readpage() James Simmons
2023-04-09 12:12 ` [lustre-devel] [PATCH 11/40] lnet: o2iblnd: Fix key mismatch issue James Simmons
2023-04-09 12:12 ` [lustre-devel] [PATCH 12/40] lustre: sec: fid2path for encrypted files James Simmons
2023-04-09 12:12 ` [lustre-devel] [PATCH 13/40] lustre: sec: Lustre/HSM on enc file with enc key James Simmons
2023-04-09 12:12 ` [lustre-devel] [PATCH 14/40] lustre: llite: check read page past requested James Simmons
2023-04-09 12:12 ` [lustre-devel] [PATCH 15/40] lustre: llite: fix relatime support James Simmons
2023-04-09 12:12 ` [lustre-devel] [PATCH 16/40] lustre: ptlrpc: clarify AT error message James Simmons
2023-04-09 12:12 ` [lustre-devel] [PATCH 17/40] lustre: update version to 2.15.54 James Simmons
2023-04-09 12:12 ` [lustre-devel] [PATCH 18/40] lustre: tgt: skip free inodes in OST weights James Simmons
2023-04-09 12:12 ` [lustre-devel] [PATCH 19/40] lustre: fileset: check fileset for operations by fid James Simmons
2023-04-09 12:13 ` [lustre-devel] [PATCH 20/40] lustre: clio: Remove cl_page_size() James Simmons
2023-04-09 12:13 ` [lustre-devel] [PATCH 21/40] lustre: fid: clean up OBIF_MAX_OID and IDIF_MAX_OID James Simmons
2023-04-09 12:13 ` [lustre-devel] [PATCH 22/40] lustre: llog: fix processing of a wrapped catalog James Simmons
2023-04-09 12:13 ` [lustre-devel] [PATCH 23/40] lustre: llite: replace lld_nfs_dentry flag with opencache handling James Simmons
2023-04-09 12:13 ` [lustre-devel] [PATCH 24/40] lustre: llite: match lock in corresponding namespace James Simmons
2023-04-09 12:13 ` [lustre-devel] [PATCH 25/40] lnet: libcfs: remove unused hash code James Simmons
2023-04-09 12:13 ` [lustre-devel] [PATCH 26/40] lustre: client: -o network needs add_conn processing James Simmons
2023-04-09 12:13 ` [lustre-devel] [PATCH 27/40] lnet: Lock primary NID logic James Simmons
2023-04-09 12:13 ` [lustre-devel] [PATCH 28/40] lnet: Peers added via kernel API should be permanent James Simmons
2023-04-09 12:13 ` [lustre-devel] [PATCH 29/40] lnet: don't delete peer created by Lustre James Simmons
2023-04-09 12:13 ` [lustre-devel] [PATCH 30/40] lnet: memory leak in copy_ioc_udsp_descr James Simmons
2023-04-09 12:13 ` James Simmons [this message]
2023-04-09 12:13 ` [lustre-devel] [PATCH 32/40] lustre: ptlrpc: fix clang build errors James Simmons
2023-04-09 12:13 ` [lustre-devel] [PATCH 33/40] lustre: ldlm: remove client_import_find_conn() James Simmons
2023-04-09 12:13 ` [lustre-devel] [PATCH 34/40] lnet: add 'force' option to lnetctl peer del James Simmons
2023-04-09 12:13 ` [lustre-devel] [PATCH 35/40] lustre: ldlm: BL_AST lock cancel still can be batched James Simmons
2023-04-09 12:13 ` [lustre-devel] [PATCH 36/40] lnet: lnet_parse_route uses wrong loop var James Simmons
2023-04-09 12:13 ` [lustre-devel] [PATCH 37/40] lustre: tgt: add qos debug James Simmons
2023-04-09 12:13 ` [lustre-devel] [PATCH 38/40] lustre: enc: file names encryption when using secure boot James Simmons
2023-04-09 12:13 ` [lustre-devel] [PATCH 39/40] lustre: uapi: add DMV_IMP_INHERIT connect flag James Simmons
2023-04-09 12:13 ` [lustre-devel] [PATCH 40/40] lustre: llite: dir layout inheritance fixes James Simmons
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