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| /openbmc/linux/net/core/ |
| H A D | skbuff.c | cfe34d86 Sat Apr 27 13:24:19 CDT 2024 Felix Fietkau <nbd@nbd.name> net: core: reject skb_copy(_expand) for fraglist GSO skbs
[ Upstream commit d091e579b864fa790dd6a0cd537a22c383126681 ]
SKB_GSO_FRAGLIST skbs must not be linearized, otherwise they become
invalid. Return NULL if such an skb is passed to skb_copy or
skb_copy_expand, in order to prevent a crash on a potential later
call to skb_gso_segment.
Fixes: 3a1296a38d0c ("net: Support GRO/GSO fraglist chaining.")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
cfe34d86 Sat Apr 27 13:24:19 CDT 2024 Felix Fietkau <nbd@nbd.name> net: core: reject skb_copy(_expand) for fraglist GSO skbs
[ Upstream commit d091e579b864fa790dd6a0cd537a22c383126681 ]
SKB_GSO_FRAGLIST skbs must not be linearized, otherwise they become
invalid. Return NULL if such an skb is passed to skb_copy or
skb_copy_expand, in order to prevent a crash on a potential later
call to skb_gso_segment.
Fixes: 3a1296a38d0c ("net: Support GRO/GSO fraglist chaining.")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
cfe34d86 Sat Apr 27 13:24:19 CDT 2024 Felix Fietkau <nbd@nbd.name> net: core: reject skb_copy(_expand) for fraglist GSO skbs
[ Upstream commit d091e579b864fa790dd6a0cd537a22c383126681 ]
SKB_GSO_FRAGLIST skbs must not be linearized, otherwise they become
invalid. Return NULL if such an skb is passed to skb_copy or
skb_copy_expand, in order to prevent a crash on a potential later
call to skb_gso_segment.
Fixes: 3a1296a38d0c ("net: Support GRO/GSO fraglist chaining.")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
cfe34d86 Sat Apr 27 13:24:19 CDT 2024 Felix Fietkau <nbd@nbd.name> net: core: reject skb_copy(_expand) for fraglist GSO skbs
[ Upstream commit d091e579b864fa790dd6a0cd537a22c383126681 ]
SKB_GSO_FRAGLIST skbs must not be linearized, otherwise they become
invalid. Return NULL if such an skb is passed to skb_copy or
skb_copy_expand, in order to prevent a crash on a potential later
call to skb_gso_segment.
Fixes: 3a1296a38d0c ("net: Support GRO/GSO fraglist chaining.")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
cfe34d86 Sat Apr 27 13:24:19 CDT 2024 Felix Fietkau <nbd@nbd.name> net: core: reject skb_copy(_expand) for fraglist GSO skbs
[ Upstream commit d091e579b864fa790dd6a0cd537a22c383126681 ]
SKB_GSO_FRAGLIST skbs must not be linearized, otherwise they become
invalid. Return NULL if such an skb is passed to skb_copy or
skb_copy_expand, in order to prevent a crash on a potential later
call to skb_gso_segment.
Fixes: 3a1296a38d0c ("net: Support GRO/GSO fraglist chaining.")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
cfe34d86 Sat Apr 27 13:24:19 CDT 2024 Felix Fietkau <nbd@nbd.name> net: core: reject skb_copy(_expand) for fraglist GSO skbs
[ Upstream commit d091e579b864fa790dd6a0cd537a22c383126681 ]
SKB_GSO_FRAGLIST skbs must not be linearized, otherwise they become
invalid. Return NULL if such an skb is passed to skb_copy or
skb_copy_expand, in order to prevent a crash on a potential later
call to skb_gso_segment.
Fixes: 3a1296a38d0c ("net: Support GRO/GSO fraglist chaining.")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
cfe34d86 Sat Apr 27 13:24:19 CDT 2024 Felix Fietkau <nbd@nbd.name> net: core: reject skb_copy(_expand) for fraglist GSO skbs
[ Upstream commit d091e579b864fa790dd6a0cd537a22c383126681 ]
SKB_GSO_FRAGLIST skbs must not be linearized, otherwise they become
invalid. Return NULL if such an skb is passed to skb_copy or
skb_copy_expand, in order to prevent a crash on a potential later
call to skb_gso_segment.
Fixes: 3a1296a38d0c ("net: Support GRO/GSO fraglist chaining.")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
cfe34d86 Sat Apr 27 13:24:19 CDT 2024 Felix Fietkau <nbd@nbd.name> net: core: reject skb_copy(_expand) for fraglist GSO skbs
[ Upstream commit d091e579b864fa790dd6a0cd537a22c383126681 ]
SKB_GSO_FRAGLIST skbs must not be linearized, otherwise they become
invalid. Return NULL if such an skb is passed to skb_copy or
skb_copy_expand, in order to prevent a crash on a potential later
call to skb_gso_segment.
Fixes: 3a1296a38d0c ("net: Support GRO/GSO fraglist chaining.")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
cfe34d86 Sat Apr 27 13:24:19 CDT 2024 Felix Fietkau <nbd@nbd.name> net: core: reject skb_copy(_expand) for fraglist GSO skbs
[ Upstream commit d091e579b864fa790dd6a0cd537a22c383126681 ]
SKB_GSO_FRAGLIST skbs must not be linearized, otherwise they become
invalid. Return NULL if such an skb is passed to skb_copy or
skb_copy_expand, in order to prevent a crash on a potential later
call to skb_gso_segment.
Fixes: 3a1296a38d0c ("net: Support GRO/GSO fraglist chaining.")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
cfe34d86 Sat Apr 27 13:24:19 CDT 2024 Felix Fietkau <nbd@nbd.name> net: core: reject skb_copy(_expand) for fraglist GSO skbs
[ Upstream commit d091e579b864fa790dd6a0cd537a22c383126681 ]
SKB_GSO_FRAGLIST skbs must not be linearized, otherwise they become
invalid. Return NULL if such an skb is passed to skb_copy or
skb_copy_expand, in order to prevent a crash on a potential later
call to skb_gso_segment.
Fixes: 3a1296a38d0c ("net: Support GRO/GSO fraglist chaining.")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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