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| author |   Jason A. Donenfeld <Jason@zx2c4.com> | 2017-11-03 19:22:13 +0100 |
|---|---|---|
| committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2017-11-10 15:49:28 +0900 |
| commit | 218824866beb9669e198101c7fda4c8bcce7c11c (patch) | |
| tree | 8e3870f2537766da144c5b58ec5794e41681e636 /src/tests/qemu/init.c | |
| parent | netlink: plug memory leak (diff) | |
| download | wireguard-monolithic-historical-218824866beb9669e198101c7fda4c8bcce7c11c.tar.xz wireguard-monolithic-historical-218824866beb9669e198101c7fda4c8bcce7c11c.zip | |
qemu: check for memory leaks
Diffstat (limited to '')
| -rw-r--r-- | src/tests/qemu/init.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/tests/qemu/init.c b/src/tests/qemu/init.c index afbc611..8f46e6c 100644 --- a/src/tests/qemu/init.c +++ b/src/tests/qemu/init.c @@ -17,6 +17,7 @@ #include <sys/ioctl.h> #include <sys/reboot.h> #include <sys/utsname.h> +#include <sys/sendfile.h> #include <linux/random.h> #include <linux/version.h> @@ -207,6 +208,28 @@ static void ensure_console(void) panic("Unable to open console device"); } +static void check_leaks(void) +{ + int fd; + + if (mount("none", "/sys/kernel/debug", "debugfs", 0, NULL) < 0) + return; + fd = open("/sys/kernel/debug/kmemleak", O_WRONLY); + if (fd < 0) + return; + pretty_message("[+] Scanning for memory leaks..."); + sleep(2); /* Wait for any grace periods. */ + write(fd, "scan\n", 5); + close(fd); + + fd = open("/sys/kernel/debug/kmemleak", O_RDONLY); + if (fd < 0) + return; + if (sendfile(1, fd, NULL, 0x7ffff000) > 0) + panic("Memory leaks encountered"); + close(fd); +} + int main(int argc, char *argv[]) { seed_rng(); @@ -216,6 +239,7 @@ int main(int argc, char *argv[]) kmod_selftests(); enable_logging(); launch_tests(); + check_leaks(); poweroff(); return 1; } |