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-rw-r--r--tests/bugs/bug-1058663.c111
-rw-r--r--tests/bugs/bug-1058663.t29
2 files changed, 140 insertions, 0 deletions
diff --git a/tests/bugs/bug-1058663.c b/tests/bugs/bug-1058663.c
new file mode 100644
index 000000000..631afecce
--- /dev/null
+++ b/tests/bugs/bug-1058663.c
@@ -0,0 +1,111 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+#include <signal.h>
+
+#define FILE_SIZE 1048576
+
+/* number of tests to run */
+#define RUN_LOOP 1000
+
+/* number of SIGBUS before exiting */
+#define MAX_SIGBUS 1
+static int expect_sigbus = 0;
+static int sigbus_received = 0;
+
+/* test for truncate()/seek()/write()/mmap()
+ * There should ne no SIGBUS triggered.
+ */
+void seek_write(char *filename)
+{
+ int fd;
+ uint8_t* map;
+ int i;
+
+ fd = open(filename, O_RDWR|O_CREAT|O_TRUNC, 0600);
+ lseek(fd, FILE_SIZE - 1, SEEK_SET);
+ write(fd, "\xff", 1);
+
+ map = mmap(NULL, FILE_SIZE, PROT_READ, MAP_PRIVATE, fd, 0);
+ for (i = 0; i < (FILE_SIZE - 1); i++) {
+ if (map[i] != 0) /* should never be true */
+ abort();
+ }
+ munmap(map, FILE_SIZE);
+
+ close(fd);
+}
+
+int read_after_eof(char *filename)
+{
+ int ret = 0;
+ int fd;
+ char* data;
+ uint8_t* map;
+
+ fd = open(filename, O_RDWR|O_CREAT|O_TRUNC, 0600);
+ lseek(fd, FILE_SIZE - 1, SEEK_SET);
+ write(fd, "\xff", 1);
+
+ /* trigger verify that reading after EOF fails */
+ ret = read(fd, data, FILE_SIZE / 2);
+ if (ret != 0)
+ return 1;
+
+ /* map an area of 1 byte after FILE_SIZE */
+ map = mmap(NULL, 1, PROT_READ, MAP_PRIVATE, fd, FILE_SIZE);
+ /* map[0] is an access after EOF, it should trigger SIGBUS */
+ if (map[0] != 0)
+ /* it is expected that we exit before we get here */
+ if (!sigbus_received)
+ return 1;
+ munmap(map, FILE_SIZE);
+
+ close(fd);
+
+ return ret;
+}
+
+/* signal handler for SIGBUS */
+void catch_sigbus(int signum)
+{
+ switch (signum) {
+ case SIGBUS:
+ sigbus_received++;
+ if (!expect_sigbus)
+ exit(EXIT_FAILURE);
+ if (sigbus_received >= MAX_SIGBUS)
+ exit(EXIT_SUCCESS);
+ break;
+ default:
+ printf("Unexpected signal received: %d\n", signum);
+ }
+}
+
+int main(int argc, char** argv)
+{
+ int i = 0;
+
+ if (argc == 1) {
+ printf("Usage: %s <filename>\n", argv[0]);
+ return EXIT_FAILURE;
+ }
+
+ signal(SIGBUS, catch_sigbus);
+
+ /* the next test should not trigger SIGBUS */
+ expect_sigbus = 0;
+ for (i = 0; i < RUN_LOOP; i++) {
+ seek_write(argv[1]);
+ }
+
+ /* the next test should trigger SIGBUS */
+ expect_sigbus = 1;
+ if (read_after_eof(argv[1]))
+ return EXIT_FAILURE;
+
+ return EXIT_SUCCESS;
+}
diff --git a/tests/bugs/bug-1058663.t b/tests/bugs/bug-1058663.t
new file mode 100644
index 000000000..5ca348e77
--- /dev/null
+++ b/tests/bugs/bug-1058663.t
@@ -0,0 +1,29 @@
+#!/bin/bash
+
+. $(dirname $0)/../include.rc
+. $(dirname $0)/../volume.rc
+
+cleanup;
+
+## Start and create a volume
+TEST glusterd;
+TEST pidof glusterd;
+TEST $CLI volume info;
+
+TEST $CLI volume create $V0 $H0:$B0/$V0;
+TEST $CLI volume start $V0;
+
+TEST glusterfs --entry-timeout=0 --attribute-timeout=0 -s $H0 --volfile-id $V0 $M0
+
+# compile the test program and run it
+gcc $(dirname $0)/bug-1058663.c -o $(dirname $0)/bug-1058663;
+TEST $(dirname $0)/bug-1058663 $M0/bug-1058663.bin;
+rm -f $(dirname $0)/M0/bug-1058663.bin;
+
+TEST umount $M0;
+
+TEST $CLI volume stop $V0;
+TEST $CLI volume delete $V0;
+
+cleanup;
+