| Message ID | 20211026184239.151156-8-krisman@collabora.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Test the new fanotify FAN_FS_ERROR event | expand |
On Tue, Oct 26, 2021 at 9:44 PM Gabriel Krisman Bertazi <krisman@collabora.com> wrote: > > Allocate a test directory and corrupt it with debugfs. The corruption > is done by writing an invalid inode mode. This file can be later > looked up to trigger a corruption error. > > Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.com> Reviewed-by: Amir Goldstein <amir73il@gmail.com> > --- > testcases/kernel/syscalls/fanotify/fanotify20.c | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) > > diff --git a/testcases/kernel/syscalls/fanotify/fanotify20.c b/testcases/kernel/syscalls/fanotify/fanotify20.c > index 7c4b01720654..298bb303a810 100644 > --- a/testcases/kernel/syscalls/fanotify/fanotify20.c > +++ b/testcases/kernel/syscalls/fanotify/fanotify20.c > @@ -43,9 +43,12 @@ static char event_buf[BUF_SIZE]; > int fd_notify; > > #define MOUNT_PATH "test_mnt" > +#define BASE_DIR "internal_dir" > +#define BAD_DIR BASE_DIR"/bad_dir" > > /* These expected FIDs are common to multiple tests */ > static struct fanotify_fid_t null_fid; > +static struct fanotify_fid_t bad_file_fid; > > static void do_debugfs_request(const char *dev, char *request) > { > @@ -182,6 +185,18 @@ static void do_test(unsigned int i) > check_event(event_buf, read_len, tcase); > } > > +static void pre_corrupt_fs(void) > +{ > + SAFE_MKDIR(MOUNT_PATH"/"BASE_DIR, 0777); > + SAFE_MKDIR(MOUNT_PATH"/"BAD_DIR, 0777); > + > + fanotify_save_fid(MOUNT_PATH"/"BAD_DIR, &bad_file_fid); > + > + SAFE_UMOUNT(MOUNT_PATH); > + do_debugfs_request(tst_device->dev, "sif " BAD_DIR " mode 0xff"); > + SAFE_MOUNT(tst_device->dev, MOUNT_PATH, tst_device->fs_type, 0, NULL); > +} > + > static void init_null_fid(void) > { > /* Use fanotify_save_fid to fill the fsid and overwrite the > @@ -201,6 +216,8 @@ static void setup(void) > > init_null_fid(); > > + pre_corrupt_fs(); > + > fd_notify = SAFE_FANOTIFY_INIT(FAN_CLASS_NOTIF|FAN_REPORT_FID, > O_RDONLY); > > -- > 2.33.0 >
diff --git a/testcases/kernel/syscalls/fanotify/fanotify20.c b/testcases/kernel/syscalls/fanotify/fanotify20.c index 7c4b01720654..298bb303a810 100644 --- a/testcases/kernel/syscalls/fanotify/fanotify20.c +++ b/testcases/kernel/syscalls/fanotify/fanotify20.c @@ -43,9 +43,12 @@ static char event_buf[BUF_SIZE]; int fd_notify; #define MOUNT_PATH "test_mnt" +#define BASE_DIR "internal_dir" +#define BAD_DIR BASE_DIR"/bad_dir" /* These expected FIDs are common to multiple tests */ static struct fanotify_fid_t null_fid; +static struct fanotify_fid_t bad_file_fid; static void do_debugfs_request(const char *dev, char *request) { @@ -182,6 +185,18 @@ static void do_test(unsigned int i) check_event(event_buf, read_len, tcase); } +static void pre_corrupt_fs(void) +{ + SAFE_MKDIR(MOUNT_PATH"/"BASE_DIR, 0777); + SAFE_MKDIR(MOUNT_PATH"/"BAD_DIR, 0777); + + fanotify_save_fid(MOUNT_PATH"/"BAD_DIR, &bad_file_fid); + + SAFE_UMOUNT(MOUNT_PATH); + do_debugfs_request(tst_device->dev, "sif " BAD_DIR " mode 0xff"); + SAFE_MOUNT(tst_device->dev, MOUNT_PATH, tst_device->fs_type, 0, NULL); +} + static void init_null_fid(void) { /* Use fanotify_save_fid to fill the fsid and overwrite the @@ -201,6 +216,8 @@ static void setup(void) init_null_fid(); + pre_corrupt_fs(); + fd_notify = SAFE_FANOTIFY_INIT(FAN_CLASS_NOTIF|FAN_REPORT_FID, O_RDONLY);
Allocate a test directory and corrupt it with debugfs. The corruption is done by writing an invalid inode mode. This file can be later looked up to trigger a corruption error. Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.com> --- testcases/kernel/syscalls/fanotify/fanotify20.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)