This is a note to let you know that I've just added the patch titled crypto: chacha20-ssse3 - Align stack pointer to 64 bytes to the 4.3-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: crypto-chacha20-ssse3-align-stack-pointer-to-64-bytes.patch and it can be found in the queue-4.3 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From cbe09bd51bf23b42c3a94c5fb6815e1397c5fc3f Mon Sep 17 00:00:00 2001 From: Eli Cooper <elicooper@xxxxxxx> Date: Fri, 22 Jan 2016 00:24:08 +0800 Subject: crypto: chacha20-ssse3 - Align stack pointer to 64 bytes From: Eli Cooper <elicooper@xxxxxxx> commit cbe09bd51bf23b42c3a94c5fb6815e1397c5fc3f upstream. This aligns the stack pointer in chacha20_4block_xor_ssse3 to 64 bytes. Fixes general protection faults and potential kernel panics. Signed-off-by: Eli Cooper <elicooper@xxxxxxx> Acked-by: Martin Willi <martin@xxxxxxxxxxxxxx> Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- arch/x86/crypto/chacha20-ssse3-x86_64.S | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) --- a/arch/x86/crypto/chacha20-ssse3-x86_64.S +++ b/arch/x86/crypto/chacha20-ssse3-x86_64.S @@ -157,7 +157,9 @@ ENTRY(chacha20_4block_xor_ssse3) # done with the slightly better performing SSSE3 byte shuffling, # 7/12-bit word rotation uses traditional shift+OR. - sub $0x40,%rsp + mov %rsp,%r11 + sub $0x80,%rsp + and $~63,%rsp # x0..15[0-3] = s0..3[0..3] movq 0x00(%rdi),%xmm1 @@ -620,6 +622,6 @@ ENTRY(chacha20_4block_xor_ssse3) pxor %xmm1,%xmm15 movdqu %xmm15,0xf0(%rsi) - add $0x40,%rsp + mov %r11,%rsp ret ENDPROC(chacha20_4block_xor_ssse3) Patches currently in stable-queue which might be from elicooper@xxxxxxx are queue-4.3/crypto-chacha20-ssse3-align-stack-pointer-to-64-bytes.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html