[063/190] Revert "hdlcdrv: replace unnecessary assertion in hdlcdrv_register"
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Message ID 20210421130105.1226686-64-gregkh@linuxfoundation.org
State New, archived
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Series
  • Revertion of all of the umn.edu commits
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Commit Message

Greg KH April 21, 2021, 12:58 p.m. UTC
This reverts commit a886ca6fcfffd337482352f383c1002c72786b17.

Commits from @umn.edu addresses have been found to be submitted in "bad
faith" to try to test the kernel community's ability to review "known
malicious" changes.  The result of these submissions can be found in a
paper published at the 42nd IEEE Symposium on Security and Privacy
entitled, "Open Source Insecurity: Stealthily Introducing
Vulnerabilities via Hypocrite Commits" written by Qiushi Wu (University
of Minnesota) and Kangjie Lu (University of Minnesota).

Because of this, all submissions from this group must be reverted from
the kernel tree and will need to be re-reviewed again to determine if
they actually are a valid fix.  Until that work is complete, remove this
change to ensure that no problems are being introduced into the
codebase.

Cc: Aditya Pakki <pakki001@umn.edu>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/net/hamradio/hdlcdrv.c | 2 ++
 1 file changed, 2 insertions(+)

Comments

Greg KH April 27, 2021, 6:39 p.m. UTC | #1
On Wed, Apr 21, 2021 at 02:58:58PM +0200, Greg Kroah-Hartman wrote:
> This reverts commit a886ca6fcfffd337482352f383c1002c72786b17.
> 
> Commits from @umn.edu addresses have been found to be submitted in "bad
> faith" to try to test the kernel community's ability to review "known
> malicious" changes.  The result of these submissions can be found in a
> paper published at the 42nd IEEE Symposium on Security and Privacy
> entitled, "Open Source Insecurity: Stealthily Introducing
> Vulnerabilities via Hypocrite Commits" written by Qiushi Wu (University
> of Minnesota) and Kangjie Lu (University of Minnesota).
> 
> Because of this, all submissions from this group must be reverted from
> the kernel tree and will need to be re-reviewed again to determine if
> they actually are a valid fix.  Until that work is complete, remove this
> change to ensure that no problems are being introduced into the
> codebase.
> 
> Cc: Aditya Pakki <pakki001@umn.edu>
> Cc: David S. Miller <davem@davemloft.net>
> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> ---
>  drivers/net/hamradio/hdlcdrv.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/net/hamradio/hdlcdrv.c b/drivers/net/hamradio/hdlcdrv.c
> index 9e0058154ac3..d8df4e2b162e 100644
> --- a/drivers/net/hamradio/hdlcdrv.c
> +++ b/drivers/net/hamradio/hdlcdrv.c
> @@ -687,6 +687,8 @@ struct net_device *hdlcdrv_register(const struct hdlcdrv_ops *ops,
>  	struct hdlcdrv_state *s;
>  	int err;
>  
> +	BUG_ON(ops == NULL);
> +
>  	if (privsize < sizeof(struct hdlcdrv_state))
>  		privsize = sizeof(struct hdlcdrv_state);
>  
> -- 
> 2.31.1
> 

Original was fine, dropping the revert now.

greg k-h

Patch
diff mbox series

diff --git a/drivers/net/hamradio/hdlcdrv.c b/drivers/net/hamradio/hdlcdrv.c
index 9e0058154ac3..d8df4e2b162e 100644
--- a/drivers/net/hamradio/hdlcdrv.c
+++ b/drivers/net/hamradio/hdlcdrv.c
@@ -687,6 +687,8 @@  struct net_device *hdlcdrv_register(const struct hdlcdrv_ops *ops,
 	struct hdlcdrv_state *s;
 	int err;
 
+	BUG_ON(ops == NULL);
+
 	if (privsize < sizeof(struct hdlcdrv_state))
 		privsize = sizeof(struct hdlcdrv_state);