sctp: distinguish sequence zero from wildcard in reconf lookup

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Zero is a valid response sequence after strreset_outseq wraps, but
sctp_chunk_lookup_strreset_param() currently treats it as a wildcard.

Add match_seq so response lookups match zero exactly while the one
type-only lookup can still ignore the sequence.

Fixes: 50a41591f1 ("sctp: implement receiver-side procedures for the Add Outgoing Streams Request Parameter")
Cc: stable@kernel.org
Suggested-by: Simon Horman <horms@kernel.org>
Acked-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: Jun Yang <junvyyang@tencent.com>
Link: https://patch.msgid.link/20260824081832.98717-2-juny24602@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

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Jun Yang 2026-08-24 16:18:19 +08:00 • committed by Paolo Abeni

parent a687f2ae99

commit 63f44178f0

1 changed files with 6 additions and 5 deletions

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net/sctp/stream.c

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