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d19af0a764
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:
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.. | ||
kcmproc.c | ||
kcmsock.c | ||
Kconfig | ||
Makefile |