Re: [PATCH net] net: qed: prevent buffer overflow when collecting debug data

2020-07-03 Thread Alexander Lobakin
From: David Miller Date: Fri, 03 Jul 2020 12:59:33 -0700 (PDT) > From: Alexander Lobakin > Date: Fri, 3 Jul 2020 12:02:58 +0300 > > > When generating debug dump, driver firstly collects all data in binary > > form, and then performs per-feature formatting to human-readable if it > > is supp

Re: [PATCH net] net: qed: prevent buffer overflow when collecting debug data

2020-07-03 Thread David Miller
From: Alexander Lobakin Date: Fri, 3 Jul 2020 12:02:58 +0300 > When generating debug dump, driver firstly collects all data in binary > form, and then performs per-feature formatting to human-readable if it > is supported. > The size of the new formatted data is often larger than the raw's. This

[PATCH net] net: qed: prevent buffer overflow when collecting debug data

2020-07-03 Thread Alexander Lobakin
When generating debug dump, driver firstly collects all data in binary form, and then performs per-feature formatting to human-readable if it is supported. The size of the new formatted data is often larger than the raw's. This becomes critical when user requests dump via ethtool (-d/-w), as output