>From kmemleak: hex dump (first 32 bytes): 03 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff8175f5f6>] kmemleak_alloc+0x26/0x50 [<ffffffff8118f284>] kmem_cache_alloc+0x114/0x200 [<ffffffff81219281>] sysfs_new_dirent+0x51/0x130 [<ffffffff812196d2>] create_dir+0x42/0xd0 [<ffffffff812199ff>] sysfs_create_subdir+0x1f/0x30 [<ffffffff8121b50e>] internal_create_group+0x5e/0x270 [<ffffffff8121b753>] sysfs_create_group+0x13/0x20 [<ffffffffa069c99e>] btrfs_sysfs_add_one+0x7e/0x280 [btrfs] [<ffffffffa0682792>] open_ctree+0x17d2/0x21f0 [btrfs] [<ffffffffa065883a>] btrfs_mount+0x53a/0x7d0 [btrfs] [<ffffffff811a3ad3>] mount_fs+0x43/0x1b0 [<ffffffff811bfa56>] vfs_kern_mount+0x76/0x120 [<ffffffff811c1d77>] do_mount+0x237/0xa70 [<ffffffff811c2640>] SyS_mount+0x90/0xe0 [<ffffffff8177ef12>] system_call_fastpath+0x16/0x1b [<ffffffffffffffff>] 0xffffffffffffffff unreferenced object 0xffff8804e37d45b8 (size 160): Signed-off-by: Filipe David Borba Manana <fdmanana@xxxxxxxxx> --- fs/btrfs/sysfs.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index 669fdf7..9576771 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -424,6 +424,8 @@ void btrfs_sysfs_remove_one(struct btrfs_fs_info *fs_info) kobject_put(fs_info->device_dir_kobj); kobject_del(fs_info->space_info_kobj); kobject_put(fs_info->space_info_kobj); + sysfs_remove_group(&fs_info->super_kobj, + &btrfs_feature_attr_group); kobject_del(&fs_info->super_kobj); kobject_put(&fs_info->super_kobj); wait_for_completion(&fs_info->kobj_unregister); -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html