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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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16
examples/samplesshd-kbdint.c
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@ -174,8 +174,8 @@ static error_t parse_opt (int key, char *arg, struct argp_state *state) {
static struct argp argp = {options, parse_opt, args_doc, doc, NULL, NULL, NULL};
#endif /* HAVE_ARGP_H */
static const char *name;
static const char *instruction;
static const char *name = NULL;
static const char *instruction = NULL;
static const char *prompts[2];
static char echo[] = { 1, 0 };
@ -279,11 +279,12 @@ static int authenticate(ssh_session session) {
return 0;
}
int main(int argc, char **argv){
ssh_session session;
ssh_bind sshbind;
ssh_message message;
ssh_channel chan=0;
int main(int argc, char **argv)
{
ssh_session session = NULL;
ssh_bind sshbind = NULL;
ssh_message message = NULL;
ssh_channel chan = NULL;
char buf[BUF_SIZE];
int auth=0;
int shell=0;
@ -411,4 +412,3 @@ int main(int argc, char **argv){
ssh_finalize();
return 0;
}