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tools/hv: Add memory allocation check in hv_fcopy_start

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[ Upstream commit 94e86b174d ]

Added error handling for memory allocation failures
of file_name and path_name.

Signed-off-by: Zhu Jun <zhujun2@cmss.chinamobile.com>
Reviewed-by: Dexuan Cui <decui@microsoft.com>
Tested-by: Saurabh Sengar <ssengar@linux.microsoft.com>
Link: https://lore.kernel.org/r/20240906091333.11419-1-zhujun2@cmss.chinamobile.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <20240906091333.11419-1-zhujun2@cmss.chinamobile.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Zhu Jun
2024-09-06 02:13:33 -07:00
committed by Greg Kroah-Hartman
parent f6d50dd3ed
commit bf050cc4ba
1 changed files with 7 additions and 0 deletions
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tools/hv/hv_fcopy_uio_daemon.c
+7
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@@ -296,6 +296,13 @@ static int hv_fcopy_start(struct hv_start_fcopy *smsg_in)
file_name = (char *)malloc(file_size * sizeof(char));
path_name = (char *)malloc(path_size * sizeof(char));
if (!file_name || !path_name) {
free(file_name);
free(path_name);
syslog(LOG_ERR, "Can't allocate memory for file name and/or path name");
return HV_E_FAIL;
}
wcstoutf8(file_name, (__u16 *)in_file_name, file_size);
wcstoutf8(path_name, (__u16 *)in_path_name, path_size);