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sctp: hold the inp lock while calling ip6_output

Description

sctp: hold the inp lock while calling ip6_output

This fixes an issue with handling IPPROTO_IPV6 level socket
options.

Reported by: syzbot+66ede232c3d1271c6226@syzkaller.appspotmail.com
MFC after: 3 days

(cherry picked from commit a12d89332efe0b02307c580a6f3025652374cd47)

Details

Provenance
tuexenAuthored on Apr 19 2022, 11:03 AM
Parents
rG126767e314cc: if_vtnet: improve dumping a kernel
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