hw/block/nvme: fix log page offset check
Return error if the requested offset starts after the size of the log being returned. Also, move the check for earlier in the function so we're not doing unnecessary calculations. Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed- by: Dmitry Fomichev <dmitry.fomichev@wdc.com> Signed-off-by: Keith Busch <kbusch@kernel.org> Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
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@ -1179,6 +1179,10 @@ static uint16_t nvme_smart_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len,
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return NVME_INVALID_FIELD | NVME_DNR;
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return NVME_INVALID_FIELD | NVME_DNR;
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}
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}
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if (off >= sizeof(smart)) {
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return NVME_INVALID_FIELD | NVME_DNR;
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}
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for (int i = 1; i <= n->num_namespaces; i++) {
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for (int i = 1; i <= n->num_namespaces; i++) {
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NvmeNamespace *ns = nvme_ns(n, i);
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NvmeNamespace *ns = nvme_ns(n, i);
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if (!ns) {
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if (!ns) {
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@ -1193,10 +1197,6 @@ static uint16_t nvme_smart_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len,
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write_commands += s->nr_ops[BLOCK_ACCT_WRITE];
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write_commands += s->nr_ops[BLOCK_ACCT_WRITE];
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}
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}
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if (off > sizeof(smart)) {
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return NVME_INVALID_FIELD | NVME_DNR;
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}
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trans_len = MIN(sizeof(smart) - off, buf_len);
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trans_len = MIN(sizeof(smart) - off, buf_len);
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memset(&smart, 0x0, sizeof(smart));
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memset(&smart, 0x0, sizeof(smart));
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@ -1234,12 +1234,11 @@ static uint16_t nvme_fw_log_info(NvmeCtrl *n, uint32_t buf_len, uint64_t off,
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.afi = 0x1,
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.afi = 0x1,
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};
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};
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strpadcpy((char *)&fw_log.frs1, sizeof(fw_log.frs1), "1.0", ' ');
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if (off >= sizeof(fw_log)) {
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if (off > sizeof(fw_log)) {
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return NVME_INVALID_FIELD | NVME_DNR;
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return NVME_INVALID_FIELD | NVME_DNR;
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}
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}
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strpadcpy((char *)&fw_log.frs1, sizeof(fw_log.frs1), "1.0", ' ');
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trans_len = MIN(sizeof(fw_log) - off, buf_len);
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trans_len = MIN(sizeof(fw_log) - off, buf_len);
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return nvme_dma(n, (uint8_t *) &fw_log + off, trans_len,
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return nvme_dma(n, (uint8_t *) &fw_log + off, trans_len,
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@ -1252,16 +1251,15 @@ static uint16_t nvme_error_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len,
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uint32_t trans_len;
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uint32_t trans_len;
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NvmeErrorLog errlog;
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NvmeErrorLog errlog;
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if (off >= sizeof(errlog)) {
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return NVME_INVALID_FIELD | NVME_DNR;
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}
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if (!rae) {
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if (!rae) {
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nvme_clear_events(n, NVME_AER_TYPE_ERROR);
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nvme_clear_events(n, NVME_AER_TYPE_ERROR);
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}
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}
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if (off > sizeof(errlog)) {
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return NVME_INVALID_FIELD | NVME_DNR;
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}
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memset(&errlog, 0x0, sizeof(errlog));
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memset(&errlog, 0x0, sizeof(errlog));
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trans_len = MIN(sizeof(errlog) - off, buf_len);
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trans_len = MIN(sizeof(errlog) - off, buf_len);
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return nvme_dma(n, (uint8_t *)&errlog, trans_len,
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return nvme_dma(n, (uint8_t *)&errlog, trans_len,
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