diff options
| author | Jiri Slaby <jslaby@suse.cz> | 2016-06-20 11:36:28 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-06-22 16:32:23 -0400 |
| commit | d19af0a76444fde629667ecb823c0ee28f9f67d8 (patch) | |
| tree | 0508b9333a07bd6f6b7da264b571d0d4fac7b49e /scripts/mksysmap | |
| parent | 942f64c4c2be19a1b4a0c4295182b42d153899bf (diff) | |
kcm: fix /proc memory leak
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 <jslaby@suse.cz>
Fixes: cd6e111bf5 (kcm: Add statistics and proc interfaces)
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Tom Herbert <tom@herbertland.com>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'scripts/mksysmap')
0 files changed, 0 insertions, 0 deletions