This is a note to let you know that I've just added the patch titled
nvme: trace: avoid memcpy overflow warning
to the 6.7-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
nvme-trace-avoid-memcpy-overflow-warning.patch
and it can be found in the queue-6.7 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 892e70744c8ffcfcb6f13552da93964329ff5fb6
Author: Arnd Bergmann <arnd@xxxxxxxx>
Date: Wed Jan 3 16:56:56 2024 +0100
nvme: trace: avoid memcpy overflow warning
[ Upstream commit a7de1dea76cd6a3707707af4ea2f8bc3cdeaeb11 ]
A previous patch introduced a struct_group() in nvme_common_command to help
stringop fortification figure out the length of the fields, but one function
is not currently using them:
In file included from drivers/nvme/target/core.c:7:
In file included from include/linux/string.h:254:
include/linux/fortify-string.h:592:4: error: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Werror,-Wattribute-warning]
__read_overflow2_field(q_size_field, size);
^
Change this one to use the correct field name to avoid the warning.
Fixes: 5c629dc9609dc ("nvme: use struct group for generic command dwords")
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Signed-off-by: Keith Busch <kbusch@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/nvme/target/trace.h b/drivers/nvme/target/trace.h
index 155334ddc13f..974d99d47f51 100644
--- a/drivers/nvme/target/trace.h
+++ b/drivers/nvme/target/trace.h
@@ -84,7 +84,7 @@ TRACE_EVENT(nvmet_req_init,
__entry->flags = cmd->common.flags;
__entry->nsid = le32_to_cpu(cmd->common.nsid);
__entry->metadata = le64_to_cpu(cmd->common.metadata);
- memcpy(__entry->cdw10, &cmd->common.cdw10,
+ memcpy(__entry->cdw10, &cmd->common.cdws,
sizeof(__entry->cdw10));
),
TP_printk("nvmet%s: %sqid=%d, cmdid=%u, nsid=%u, flags=%#x, "
