| Message ID | 20240619132816.11526-1-oneukum@suse.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | fba383985354e83474f95f36d7c65feb75dba19d |
| Headers | show |
| Series | [net] net: usb: rtl8150 fix unintiatilzed variables in rtl8150_get_link_ksettings | expand |
On 24-06-19 15:28:03, Oliver Neukum wrote: > This functions retrieves values by passing a pointer. As the function that > retrieves them can fail before touching the pointers, the variables must be > initialized. ACK. Petko > Reported-by: syzbot+5186630949e3c55f0799@syzkaller.appspotmail.com > Signed-off-by: Oliver Neukum <oneukum@suse.com> > --- > drivers/net/usb/rtl8150.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/net/usb/rtl8150.c b/drivers/net/usb/rtl8150.c > index 97afd7335d86..01a3b2417a54 100644 > --- a/drivers/net/usb/rtl8150.c > +++ b/drivers/net/usb/rtl8150.c > @@ -778,7 +778,8 @@ static int rtl8150_get_link_ksettings(struct net_device *netdev, > struct ethtool_link_ksettings *ecmd) > { > rtl8150_t *dev = netdev_priv(netdev); > - short lpa, bmcr; > + short lpa = 0; > + short bmcr = 0; > u32 supported; > > supported = (SUPPORTED_10baseT_Half | > -- > 2.45.1 > >
Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski <kuba@kernel.org>: On Wed, 19 Jun 2024 15:28:03 +0200 you wrote: > This functions retrieves values by passing a pointer. As the function > that retrieves them can fail before touching the pointers, the variables > must be initialized. > > Reported-by: syzbot+5186630949e3c55f0799@syzkaller.appspotmail.com > Signed-off-by: Oliver Neukum <oneukum@suse.com> > > [...] Here is the summary with links: - [net] net: usb: rtl8150 fix unintiatilzed variables in rtl8150_get_link_ksettings https://git.kernel.org/netdev/net/c/fba383985354 You are awesome, thank you!
diff --git a/drivers/net/usb/rtl8150.c b/drivers/net/usb/rtl8150.c index 97afd7335d86..01a3b2417a54 100644 --- a/drivers/net/usb/rtl8150.c +++ b/drivers/net/usb/rtl8150.c @@ -778,7 +778,8 @@ static int rtl8150_get_link_ksettings(struct net_device *netdev, struct ethtool_link_ksettings *ecmd) { rtl8150_t *dev = netdev_priv(netdev); - short lpa, bmcr; + short lpa = 0; + short bmcr = 0; u32 supported; supported = (SUPPORTED_10baseT_Half |
This functions retrieves values by passing a pointer. As the function that retrieves them can fail before touching the pointers, the variables must be initialized. Reported-by: syzbot+5186630949e3c55f0799@syzkaller.appspotmail.com Signed-off-by: Oliver Neukum <oneukum@suse.com> --- drivers/net/usb/rtl8150.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)