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File _service:tar_scm:backport-memory-allocation-updates-341.patch of Package audit
From b92027ac9e29659483a5e920e548fe74126f72af Mon Sep 17 00:00:00 2001 From: cgzones <cgzones@googlemail.com> Date: Wed, 1 Nov 2023 22:15:40 +0100 Subject: [PATCH] memory allocation updates (#341) * Check memory allocation Avoid later NULL dereference. * Check memory allocation and merge zeroing Avoid later NULL dereference. Reference:https://github.com/linux-audit/audit-userspace/commit/b92027ac9e29659483a5e920e548fe74126f72af Conflict:NA --- auparse/interpret.c | 2 ++ lib/libaudit.c | 7 +++++-- 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/auparse/interpret.c b/auparse/interpret.c index ecde07ae..76ca2814 100644 --- a/auparse/interpret.c +++ b/auparse/interpret.c @@ -366,6 +366,8 @@ char *au_unescape(char *buf) // strlen(buf) / 2. olen = strlen(buf); str = malloc(olen+1); + if (!str) + return NULL; saved = *ptr; *ptr = 0; diff --git a/lib/libaudit.c b/lib/libaudit.c index 6a42871b..d90d83b8 100644 --- a/lib/libaudit.c +++ b/lib/libaudit.c @@ -891,9 +891,12 @@ int audit_make_equivalent(int fd, const char *mount_point, struct { uint32_t sizes[2]; unsigned char buf[]; - } *cmd = malloc(sizeof(*cmd) + len1 + len2); + } *cmd = calloc(1, sizeof(*cmd) + len1 + len2); - memset(cmd, 0, sizeof(*cmd) + len1 + len2); + if (!cmd) { + audit_msg(LOG_ERR, "Cannot allocate memory!"); + return -ENOMEM; + } cmd->sizes[0] = len1; cmd->sizes[1] = len2; -- 2.33.0
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