summaryrefslogtreecommitdiff
path: root/fs
diff options
context:
space:
mode:
authorPaulo Alcantara <pc@manguebit.com>2024-04-02 16:33:56 -0300
committerSteve French <stfrench@microsoft.com>2024-04-03 14:43:45 -0500
commit0865ffefea197b437ba78b5dd8d8e256253efd65 (patch)
tree098f868fcbf90d063fa3d0bffa5296c1e759d14e /fs
parentd3da25c5ac84430f89875ca7485a3828150a7e0a (diff)
smb: client: fix potential UAF in cifs_stats_proc_show()
Skip sessions that are being teared down (status == SES_EXITING) to avoid UAF. Cc: stable@vger.kernel.org Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.com> Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/smb/client/cifs_debug.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/smb/client/cifs_debug.c b/fs/smb/client/cifs_debug.c
index 8535c9907462..c71ae5c04306 100644
--- a/fs/smb/client/cifs_debug.c
+++ b/fs/smb/client/cifs_debug.c
@@ -759,6 +759,8 @@ static int cifs_stats_proc_show(struct seq_file *m, void *v)
}
#endif /* STATS2 */
list_for_each_entry(ses, &server->smb_ses_list, smb_ses_list) {
+ if (cifs_ses_exiting(ses))
+ continue;
list_for_each_entry(tcon, &ses->tcon_list, tcon_list) {
i++;
seq_printf(m, "\n%d) %s", i, tcon->tree_name);