Subject: Re: [PATCH v2 net] ip6_gre: use skb_vlan_inet_prepare() instead of pskb_inet_may_pull()

From: Jakub Kicinski <[email-masked]>
Date: Tue, 6 Jan 2026 09:56:48 -0800

On Tue,  6 Jan 2026 14:45:29 +0000 Eric Dumazet wrote:
> v2: invert the conditions (Jakub)

Thanks! Much better now, but still failing 
tools/testing/selftests/net/gre_gso.sh

TAP version 13
1..1
# timeout set to 3600
# selftests: net: gre_gso.sh
# 2.16 [+2.16]     TEST: GREv6/v4 - copy file w/ TSO                                   [ OK ]
# 3.16 [+1.01] 2026/01/06 10:32:57 socat[20546] W exiting on signal 15
# 3.17 [+0.01] 2026/01/06 10:32:57 socat[20546] W exiting on signal 15
# 3.17 [+0.00]     TEST: GREv6/v4 - copy file w/ GSO                                   [FAIL]
# 3.18 [+0.01] 2026/01/06 10:32:57 socat[20533] W exiting on signal 15
# 3.19 [+0.00]     TEST: GREv6/v6 - copy file w/ TSO                                   [ OK ]
# 4.19 [+1.00] 2026/01/06 10:32:59 socat[20559] W exiting on signal 15
# 4.19 [+0.01]     TEST: GREv6/v6 - copy file w/ GSO                                   [FAIL]
# 4.20 [+0.01] 2026/01/06 10:32:59 socat[20549] W exiting on signal 15
# 4.22 [+0.02] 2026/01/06 10:32:59 socat[20560] W exiting on signal 15
# 4.23 [+0.01] 
# 4.23 [+0.00] Tests passed:   2
# 4.23 [+0.00] Tests failed:   2
not ok 1 selftests: net: gre_gso.sh # exit=1

https://netdev-ctrl.bots.linux.dev/logs/vmksft/net/results/461862/65-gre-gso-sh/stdout