diff options
| author | Pan Bian <bianpan2016@163.com> | 2019-11-05 11:34:07 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-11-12 21:17:53 +0300 |
| commit | 5f311e37e9592bbfebac148135ed39ede2ad0d10 (patch) | |
| tree | dc1e76959793644d3d1da085cd3dd0fdbce2c26a /drivers/nfc | |
| parent | c7c24046c8e970fdda5c6f3998b728fb7f0b49df (diff) | |
| download | linux-5f311e37e9592bbfebac148135ed39ede2ad0d10.tar.xz | |
NFC: fdp: fix incorrect free object
[ Upstream commit 517ce4e93368938b204451285e53014549804868 ]
The address of fw_vsc_cfg is on stack. Releasing it with devm_kfree() is
incorrect, which may result in a system crash or other security impacts.
The expected object to free is *fw_vsc_cfg.
Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/nfc')
| -rw-r--r-- | drivers/nfc/fdp/i2c.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/nfc/fdp/i2c.c b/drivers/nfc/fdp/i2c.c index c4da50e07bbc..4020c11a9415 100644 --- a/drivers/nfc/fdp/i2c.c +++ b/drivers/nfc/fdp/i2c.c @@ -267,7 +267,7 @@ static void fdp_nci_i2c_read_device_properties(struct device *dev, *fw_vsc_cfg, len); if (r) { - devm_kfree(dev, fw_vsc_cfg); + devm_kfree(dev, *fw_vsc_cfg); goto vsc_read_err; } } else { |