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fix: free in garbage data pointer; fix: Zygiskd wrong message length

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This commit fixes the issue where "free" would be executed in a pointer which has garbage data, leading to crashes. This was fixed by setting to NULL, so that it's clean.
It also fixes the issue where Zygiskd messages for "DAEMON_SET_INFO" would not count the NULL-terminator, causing crashes.
This commit is contained in:
ThePedroo
2024-11-12 20:38:28 -03:00
parent 21325ec409
commit f4af759aab
2 changed files with 3 additions and 3 deletions
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2
zygiskd/src/zygiskd.c
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@@ -394,7 +394,7 @@ void zygiskd_start(char *restrict argv[]) {
size_t msg_length = strlen("Root: , Modules: ") + strlen(impl_name) + module_list_len + 1;
struct MsgHead *msg = malloc(sizeof(struct MsgHead) + msg_length);
msg->length = snprintf(msg->data, msg_length, "Root: %s, Modules: %s", impl_name, module_list);
msg->length = snprintf(msg->data, msg_length, "Root: %s, Modules: %s", impl_name, module_list) + 1;
msg->cmd = DAEMON_SET_INFO;
unix_datagram_sendto(CONTROLLER_SOCKET, (void *)msg, sizeof(struct MsgHead) + msg->length);