https://bugzilla.mindrot.org/show_bug.cgi?id=2790
Bug ID: 2790
Summary: parameter ssh of function ssh
channel_clear_permitted_opens could be NULL
Product: Portable OpenSSH
Version: 7.6p1
Hardware: Other
OS: Other
Status: NEW
Severity: critical
Priority: P5
Component: Miscellaneous
Assignee: [email protected]
Reporter: [email protected]
key base auth fail on windows because parameter ssh ssh-agent on
windows is null and the demon crashes. ssh-agent does not call
auth_clear_options but it does not need to call packet_set_connection.
void
channel_clear_permitted_opens(struct ssh *ssh)
{
struct ssh_channels *sc = ssh->chanctxt;
sc->permitted_opens = xrecallocarray(sc->permitted_opens,
sc->num_permitted_opens, 0, sizeof(*sc->permitted_opens));
sc->num_permitted_opens = 0;
}
Please add parameter check.
if(ssh == NULL)
return;
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