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To work around a misbehavior of the compiler's ability to see into composite flexible array structs (as detailed in the coming memcpy() hardening series[1]), split the memcpy() of the header and the payload so no false positive run-time overflow warning will be generated. This split already existed for the "firstfrag" case, so just generalize the logic further. [1] https://lore.kernel.org/linux-hardening/20220901065914.1417829-2-keescook@chromium.org/ Cc: Eric Dumazet <edumazet@google.com> Cc: Paolo Abeni <pabeni@redhat.com> Reported-by: "Gustavo A. R. Silva" <gustavoars@kernel.org> Signed-off-by: Kees Cook <keescook@chromium.org> Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20220924040835.3364912-1-keescook@chromium.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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| hci | ||
| nci | ||
| af_nfc.c | ||
| core.c | ||
| digital.h | ||
| digital_core.c | ||
| digital_dep.c | ||
| digital_technology.c | ||
| Kconfig | ||
| llcp.h | ||
| llcp_commands.c | ||
| llcp_core.c | ||
| llcp_sock.c | ||
| Makefile | ||
| netlink.c | ||
| nfc.h | ||
| rawsock.c | ||