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socket: check for malloc failure before dereference

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Signed-off-by: David Disseldorp <ddiss@suse.de>
This commit is contained in:
David Disseldorp
2018-10-25 22:41:41 +02:00
parent d7530757df
commit 96dc6e7ebd
1 changed files with 5 additions and 1 deletions
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6
lib/socket.c
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@@ -601,11 +601,15 @@ iscsi_read_from_socket(struct iscsi_context *iscsi)
do {
if (iscsi->incoming == NULL) {
iscsi->incoming = iscsi_szmalloc(iscsi, sizeof(struct iscsi_in_pdu));
iscsi->incoming->hdr = iscsi_smalloc(iscsi, ISCSI_HEADER_SIZE);
if (iscsi->incoming == NULL) {
iscsi_set_error(iscsi, "Out-of-memory: failed to malloc iscsi_in_pdu");
return -1;
}
iscsi->incoming->hdr = iscsi_smalloc(iscsi, ISCSI_HEADER_SIZE);
if (iscsi->incoming->hdr == NULL) {
iscsi_set_error(iscsi, "Out-of-memory");
return -1;
}
}
in = iscsi->incoming;