proxmox-mirrors/mirror_frr
1
0
Fork 0
mirror of https://git.proxmox.com/git/mirror_frr synced 2025-08-08 01:47:29 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

vtysh: protect null deref for cli completions

Browse Source 
cmd_describe_command() returns NULL when there is no matched command, so
check the return value before trying to free it

Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
This commit is contained in:
Quentin Young 2017-11-02 11:50:13 -04:00
parent e919cf55bd
commit 9320658c0d
No known key found for this signature in database
GPG Key ID: DAF48E0F57E0834F
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
vtysh/vtysh.c
View File

@ -820,7 +820,8 @@ static int vtysh_rl_describe(void)
break; break;
case CMD_ERR_NO_MATCH: case CMD_ERR_NO_MATCH:
cmd_free_strvec(vline); cmd_free_strvec(vline);
vector_free(describe); if (describe)
vector_free(describe);
fprintf(stdout, "%% There is no matched command.\n"); fprintf(stdout, "%% There is no matched command.\n");
rl_on_new_line(); rl_on_new_line();
return 0; return 0;