Date: Mon, 17 Aug 2015 22:32:36 GMT From: def@FreeBSD.org To: svn-soc-all@FreeBSD.org Subject: socsvn commit: r289847 - soc2013/def/crashdump-head/sys/kern Message-ID: <201508172232.t7HMWa7M061766@socsvn.freebsd.org>
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Author: def Date: Mon Aug 17 22:32:35 2015 New Revision: 289847 URL: http://svnweb.FreeBSD.org/socsvn/?view=rev&rev=289847 Log: Remove key as soon as it's not needed. Modified: soc2013/def/crashdump-head/sys/kern/kern_shutdown.c Modified: soc2013/def/crashdump-head/sys/kern/kern_shutdown.c ============================================================================== --- soc2013/def/crashdump-head/sys/kern/kern_shutdown.c Mon Aug 17 21:07:21 2015 (r289846) +++ soc2013/def/crashdump-head/sys/kern/kern_shutdown.c Mon Aug 17 22:32:35 2015 (r289847) @@ -925,15 +925,13 @@ return (error); bcopy(kds.kds_key, dumpcrypto.kdc_key, sizeof(dumpcrypto.kdc_key)); + bzero(kds.kds_key, sizeof(kds.kds_key)); arc4rand(dumpcrypto.kdc_iv, sizeof(dumpcrypto.kdc_iv), 0); kdksize = ((sizeof(*kdk) + kds.kds_encryptedkeylen + KERNELDUMP_BLOCK_SIZE - 1) / KERNELDUMP_BLOCK_SIZE) * KERNELDUMP_BLOCK_SIZE; - kdk = (struct kerneldumpkey *)malloc(kdksize, M_KDK, M_WAITOK); - if (kdk == NULL) - return (ENOMEM); - + kdk = malloc(kdksize, M_KDK, M_WAITOK | M_ZERO); kdk->kdk_size = kdksize; kdk->kdk_algorithm = CRYPTO_AES_CBC; kdk->kdk_keysize = KERNELDUMP_KEY_SIZE;
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