drivers: ipmi: fix off-by-one bounds check that leads to a out-of-bounds write

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commit e0354d147e upstream.

The end of buffer check is off-by-one since the check is against
an index that is pre-incremented before a store to buf[]. Fix this
adjusting the bounds check appropriately.

Addresses-Coverity: ("Out-of-bounds write")
Fixes: 51bd6f2915 ("Add support for IPMB driver")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Message-Id: <20200114144031.358003-1-colin.king@canonical.com>
Reviewed-by: Asmaa Mnebhi <asmaa@mellanox.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Colin Ian King 2020-01-14 14:40:31 +00:00 • committed by Greg Kroah-Hartman

parent 1ed2570a02

commit 6e473f58d9

1 changed files with 1 additions and 1 deletions

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drivers/char/ipmi/ipmb_dev_int.c

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