From: Jiri Slaby <jsl...@suse.cz> Date: Mon, 20 Jun 2016 11:36:28 +0200
> Every open of /proc/net/kcm leaks 16 bytes of memory as is reported by > kmemleak: > unreferenced object 0xffff88059c0e3458 (size 192): > comm "cat", pid 1401, jiffies 4294935742 (age 310.720s) > hex dump (first 32 bytes): > 28 45 71 96 05 88 ff ff 00 10 00 00 00 00 00 00 (Eq............. > 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ > backtrace: > [<ffffffff8156a2de>] kmem_cache_alloc_trace+0x16e/0x230 > [<ffffffff8162a479>] seq_open+0x79/0x1d0 > [<ffffffffa0578510>] kcm_seq_open+0x0/0x30 [kcm] > [<ffffffff8162a479>] seq_open+0x79/0x1d0 > [<ffffffff8162a8cf>] __seq_open_private+0x2f/0xa0 > [<ffffffff81712548>] seq_open_net+0x38/0xa0 > ... > > It is caused by a missing free in the ->release path. So fix it by > providing seq_release_net as the ->release method. > > Signed-off-by: Jiri Slaby <jsl...@suse.cz> > Fixes: cd6e111bf5 (kcm: Add statistics and proc interfaces) Applied and queued up for -stable, thanks.