Author: vangyzen
Date: Mon May 28 03:14:36 2018
New Revision: 334273
URL: https://svnweb.freebsd.org/changeset/base/334273
Log:
cam nvme: fix array overrun
Fix a classic array overrun where the index could be one past the end.
Reported by: Coverity
CID: 1356596
MFC after: 3 days
Sponsored by: Dell EMC
Modified:
head/sys/cam/nvme/nvme_all.c
Modified: head/sys/cam/nvme/nvme_all.c
==============================================================================
--- head/sys/cam/nvme/nvme_all.c Mon May 28 03:09:09 2018
(r334272)
+++ head/sys/cam/nvme/nvme_all.c Mon May 28 03:14:36 2018
(r334273)
@@ -120,7 +120,7 @@ nvme_op_string(const struct nvme_command *cmd)
uint8_t opc;
opc = (cmd->opc_fuse >> NVME_CMD_OPC_SHIFT) & NVME_CMD_OPC_MASK;
- if (opc > nitems(nvme_opc2str))
+ if (opc >= nitems(nvme_opc2str))
return "UNKNOWN";
return nvme_opc2str[opc];
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