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CVE-2025-4878 Initialize pointers where possible

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This is mostly mechanical change initializing all the pointers I was able to
find with some grep and manual review of sources and examples.

Used the following greps (which yield some false positives though):

    git grep "    \w* *\* *\w*;$"
    git grep " ssh_session \w*;"
    git grep " ssh_channel \w*;"
    git grep " struct ssh_iterator \*\w*;"
    git grep " ssh_bind \w*;"
    git grep " ssh_key \w*;"
    git grep " ssh_string \w*;"
    git grep " ssh_buffer \w*;"
    git grep " HMACCTX \w*;"
    git grep " SHACTX \w*;"
    grep -rinP '^(?!.*=)\s*(?:\w+\s+)*\w+\s*\*\s*\w+\s*;'

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Jakub Jelen
2025-04-23 17:57:11 +02:00
committed by Andreas Schneider
parent 5504ff4051
commit 697650caa9
62 changed files with 348 additions and 332 deletions
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4
doc/forwarding.dox
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@@ -100,7 +100,7 @@ used to retrieve google's home page from the remote SSH server.
@code
int direct_forwarding(ssh_session session)
{
ssh_channel forwarding_channel;
ssh_channel forwarding_channel = NULL;
int rc = SSH_ERROR;
char *http_get = "GET / HTTP/1.1\nHost: www.google.com\n\n";
int nbytes, nwritten;
@@ -161,7 +161,7 @@ local libssh application, which handles them:
int web_server(ssh_session session)
{
int rc;
ssh_channel channel;
ssh_channel channel = NULL;
char buffer[256];
int nbytes, nwritten;
int port = 0;