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56063823b9
Add a team selftest that sets up: g0 (gre) -> b0 (bond) -> t0 (team) and triggers IPv6 traffic on t0. This reproduces the non-Ethernet header_ops confusion scenario and protects against regressions in stacked team/bond/gre configurations. Using this script, the panic reported by syzkaller can be reproduced [1]. After the fix: # ./non_ether_header_ops.sh PASS: non-Ethernet header_ops stacking did not crash [1] https://syzkaller.appspot.com/bug?extid=3d8bc31c45e11450f24c Cc: Jiayuan Chen <jiayuan.chen@linux.dev> Signed-off-by: Jiayuan Chen <jiayuan.chen@shopee.com> Link: https://patch.msgid.link/20260320072139.134249-3-jiayuan.chen@linux.dev Signed-off-by: Paolo Abeni <pabeni@redhat.com>