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| author | Douglas Bagnall <douglas.bagnall@catalyst.net.nz> | 2019-05-03 16:15:30 +1200 |
|---|---|---|
| committer | Douglas Bagnall <dbagnall@samba.org> | 2019-05-09 22:39:27 +0000 |
| commit | 6c01ff465bcdf34cbd4a090c810764e5227a2abe (patch) | |
| tree | 4f8c51303440088e1142dd25b404eccde2b4df02 /lib/texpect | |
| parent | 9fd3939a718ce051bf006b474bb7cbe1d6f8db3a (diff) | |
| download | samba-6c01ff465bcdf34cbd4a090c810764e5227a2abe.tar.gz | |
lib/texpect: avoid theoretical NULL dereference (CID 1273099)
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Diffstat (limited to 'lib/texpect')
| -rw-r--r-- | lib/texpect/texpect.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/texpect/texpect.c b/lib/texpect/texpect.c index 3f6278bbb10..8ced5638c67 100644 --- a/lib/texpect/texpect.c +++ b/lib/texpect/texpect.c @@ -424,6 +424,11 @@ int main(int argc, const char **argv) instruction_file = poptGetArg(pc); args = poptGetArgs(pc); + if (args == NULL) { + poptPrintHelp(pc, stderr, 0); + return 1; + } + program_args = (char * const *)discard_const_p(char *, args); program = program_args[0]; @@ -432,7 +437,7 @@ int main(int argc, const char **argv) printf("Using instruction_file: %s\n", instruction_file); printf("Executing '%s' ", program); - for (i = 0; program_args && program_args[i] != NULL; i++) { + for (i = 0; program_args[i] != NULL; i++) { printf("'%s' ", program_args[i]); } printf("\n"); |