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net: sctp: fix array overrun read on sctp_timer_tbl
authorColin Ian King <colin.king@canonical.com>
Fri, 20 Jan 2017 13:01:57 +0000 (13:01 +0000)
committerDavid S. Miller <davem@davemloft.net>
Fri, 20 Jan 2017 16:26:01 +0000 (11:26 -0500)
commit0e73fc9a56f22f2eec4d2b2910c649f7af67b74d
tree23560da128b25833d3579b9dd8bafd4628b49502tree
parente363116b90906f326c9cde5473b4b9a99ba476dfcommit | diff
net: sctp: fix array overrun read on sctp_timer_tbl

The comparison on the timeout can lead to an array overrun
read on sctp_timer_tbl because of an off-by-one error. Fix
this by using < instead of <= and also compare to the array
size rather than SCTP_EVENT_TIMEOUT_MAX.

Fixes CoverityScan CID#1397639 ("Out-of-bounds read")

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/sctp/debug.c diff | blob | history
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