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socket: Check return value to avoid NULL deref

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** CID 1551665:  Null pointer dereferences  (NULL_RETURNS)

Thanks coverity.

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Sahana Prasad <sahana@redhat.com>
Reviewed-by: Eshan Kelkar <eshankelkar@galorithm.com>
This commit is contained in:
Jakub Jelen
2024-07-15 11:30:22 +02:00
committed by Sahana Prasad
parent 97e9289271
commit eacab52789
1 changed files with 4 additions and 0 deletions
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4
src/socket.c
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@@ -1083,6 +1083,10 @@ jump_thread_func(void *arg)
/* Pop the information about the current jump */
jis = ssh_list_pop_head(struct ssh_jump_info_struct *,
jump_session->opts.proxy_jumps);
if (jis == NULL) {
SSH_LOG(SSH_LOG_WARN, "Inconsistent list of proxy jumps received");
goto exit;
}
ssh_options_set(jump_session, SSH_OPTIONS_HOST, jis->hostname);
ssh_options_set(jump_session, SSH_OPTIONS_USER, jis->username);