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| author | YueHaibing | 2019-03-21 08:02:50 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2019-04-03 06:26:15 +0200 |
| commit | 9b8ef421b481d6e648438131d867986c649c297c (patch) | |
| tree | a29c64a83c8be2e7f8e03d2ce7c11f6e444e6f1d /net | |
| parent | dccp: do not use ipv6 header for ipv4 flow (diff) | |
| download | kernel-qcow2-linux-9b8ef421b481d6e648438131d867986c649c297c.tar.gz kernel-qcow2-linux-9b8ef421b481d6e648438131d867986c649c297c.tar.xz kernel-qcow2-linux-9b8ef421b481d6e648438131d867986c649c297c.zip | |
genetlink: Fix a memory leak on error path
[ Upstream commit ceabee6c59943bdd5e1da1a6a20dc7ee5f8113a2 ]
In genl_register_family(), when idr_alloc() fails,
we forget to free the memory we possibly allocate for
family->attrbuf.
Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: 2ae0f17df1cd ("genetlink: use idr to track families")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/netlink/genetlink.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index 25eeb6d2a75a..f0ec068e1d02 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c @@ -366,7 +366,7 @@ int genl_register_family(struct genl_family *family) start, end + 1, GFP_KERNEL); if (family->id < 0) { err = family->id; - goto errout_locked; + goto errout_free; } err = genl_validate_assign_mc_groups(family); @@ -385,6 +385,7 @@ int genl_register_family(struct genl_family *family) errout_remove: idr_remove(&genl_fam_idr, family->id); +errout_free: kfree(family->attrbuf); errout_locked: genl_unlock_all(); |