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openvswitch: Use kmalloc_size_roundup() to match ksize() usage

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[ Upstream commit ab3f7828c9 ]

Round up allocations with kmalloc_size_roundup() so that openvswitch's
use of ksize() is always accurate and no special handling of the memory
is needed by KASAN, UBSAN_BOUNDS, nor FORTIFY_SOURCE.

Cc: Pravin B Shelar <pshelar@ovn.org>
Cc: dev@openvswitch.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20221018090628.never.537-kees@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Kees Cook 2022-10-18 02:06:33 -07:00 committed by Greg Kroah-Hartman
parent 79a124b588
commit bde272c875
1 changed files with 1 additions and 1 deletions
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2
net/openvswitch/flow_netlink.c
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@ -2309,7 +2309,7 @@ static struct sw_flow_actions *nla_alloc_flow_actions(int size)
WARN_ON_ONCE(size > MAX_ACTIONS_BUFSIZE);
sfa = kmalloc(sizeof(*sfa) + size, GFP_KERNEL);
sfa = kmalloc(kmalloc_size_roundup(sizeof(*sfa) + size), GFP_KERNEL);
if (!sfa)
return ERR_PTR(-ENOMEM);