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authorWei Yongjun <yjwei@cn.fujitsu.com>2008-09-30 05:32:24 -0700
committerDavid S. Miller <davem@davemloft.net>2008-09-30 05:32:24 -0700
commitba0166708ef4da7eeb61dd92bbba4d5a749d6561 (patch)
tree0e28c1d17b67d24125df4f05cbcca94c7e90ccd3 /include/net
parent8b122efd13a227d35d5ca242561770db1b5e3658 (diff)
sctp: Fix kernel panic while process protocol violation parameter
Since call to function sctp_sf_abort_violation() need paramter 'arg' with 'struct sctp_chunk' type, it will read the chunk type and chunk length from the chunk_hdr member of chunk. But call to sctp_sf_violation_paramlen() always with 'struct sctp_paramhdr' type's parameter, it will be passed to sctp_sf_abort_violation(). This may cause kernel panic. sctp_sf_violation_paramlen() |-- sctp_sf_abort_violation() |-- sctp_make_abort_violation() This patch fixed this problem. This patch also fix two place which called sctp_sf_violation_paramlen() with wrong paramter type. Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/sctp/sm.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h
index 24811732bdb..029a54a0239 100644
--- a/include/net/sctp/sm.h
+++ b/include/net/sctp/sm.h
@@ -227,6 +227,9 @@ struct sctp_chunk *sctp_make_abort_violation(const struct sctp_association *,
const struct sctp_chunk *,
const __u8 *,
const size_t );
+struct sctp_chunk *sctp_make_violation_paramlen(const struct sctp_association *,
+ const struct sctp_chunk *,
+ struct sctp_paramhdr *);
struct sctp_chunk *sctp_make_heartbeat(const struct sctp_association *,
const struct sctp_transport *,
const void *payload,