Open bastischubert opened 5 years ago
This patch should fix the "free(): invalid pointer" crash:
--- a/src/pam_linotp.c
+++ b/src/pam_linotp.c
@@ -784,7 +784,7 @@ int pam_linotp_get_config(int argc, const char *argv[], LinOTPConfig * config, i
log_error("Your prompt definition is to long: %s [%]", argv[i], RESMAXLEN);
return (PAM_AUTH_ERR);
} else {
- config->prompt = temp;
+ config->prompt = strdup(temp);
}
}
else {
Hi,
we compiled the current HEAD and noticed that setting a custom prompt (prompt=2FA-Token:) the pam plugin crashes.
last famous words from strace:
[pid 3555] 10:44:40.730946 writev(2</dev/null>, [{" Error in `", 14}, {"sshd: adm [pam]", 15}, {"': ", 3}, {"free(): invalid pointer", 23}, {": 0x", 4}, {"000055e8ab1f6ecf", 16}, {" \n", 5}], 7) = 80 <0.000044> [pid 3555] 10:44:40.731118 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7faf2ef24000 <0.000046>
@floh116 @cron2