lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite for Android: free password hash cracker in your pocket
[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Date:   Thu, 18 Jul 2019 15:49:08 +0800
From:   Jacob Wen <jian.w.wen@...cle.com>
To:     netdev@...r.kernel.org
Cc:     herbert@...dor.apana.org.au
Subject: IP GRO verifies csum again?

Hi,

inet_gro_receive verifies IP csum but a NIC already did so and set 
CHECKSUM_UNNECESSARY.


https://github.com/torvalds/linux/blob/v5.2/net/ipv4/af_inet.c#L1432-L1433

if (unlikely(ip_fast_csum((u8 *)iph, 5)))

         goto out_unlock;


Is this a bug?

Powered by blists - more mailing lists