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net: dsa: mv88e6xxx: Fix out-of-bound access
authorJoseph Huang <Joseph.Huang@garmin.com>
Mon, 19 Aug 2024 23:52:50 +0000 (19:52 -0400)
committerJakub Kicinski <kuba@kernel.org>
Tue, 20 Aug 2024 23:53:21 +0000 (16:53 -0700)
commit528876d867a23b5198022baf2e388052ca67c952
treec73801ce3c37b648acb1b5c22c01a49ed0017c2dtree
parent6efea5135417ae8194485d1d05ea79a21cf1a11ccommit | diff
net: dsa: mv88e6xxx: Fix out-of-bound access

If an ATU violation was caused by a CPU Load operation, the SPID could
be larger than DSA_MAX_PORTS (the size of mv88e6xxx_chip.ports[] array).

Fixes: 75c05a74e745 ("net: dsa: mv88e6xxx: Fix counting of ATU violations")
Signed-off-by: Joseph Huang <Joseph.Huang@garmin.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20240819235251.1331763-1-Joseph.Huang@garmin.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
drivers/net/dsa/mv88e6xxx/global1_atu.c diff | blob | history
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