The patch titled
Subject: scsi: fnic: fix format string overflow warning
has been added to the -mm tree. Its filename is
scsi-fnic-fix-format-string-overflow-warning.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/scsi-fnic-fix-format-string-overflow-warning.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/scsi-fnic-fix-format-string-overflow-warning.patch
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------------------------------------------------------
From: Arnd Bergmann <arnd@xxxxxxxx>
Subject: scsi: fnic: fix format string overflow warning
The MSI interrupt name can require 11 bytes in addition to the device name,
for a total of 23 bytes:
drivers/scsi/fnic/fnic_isr.c: In function 'fnic_request_intr':
drivers/scsi/fnic/fnic_isr.c:192:4: error: '-fcs-rq' directive writing 7 bytes into a region of size between 5 and 16 [-Werror=format-overflow=]
"%.11s-fcs-rq", fnic->name);
drivers/scsi/fnic/fnic_isr.c:206:3: note: 'sprintf' output between 12 and 23 bytes into a destination of size 16
sprintf(fnic->msix[FNIC_MSIX_ERR_NOTIFY].devname,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
"%.11s-err-notify", fnic->name);
This extends the buffer to fit any possible value.
Link: http://lkml.kernel.org/r/20170714120720.906842-7-arnd@xxxxxxxx
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/scsi/fnic/fnic.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN drivers/scsi/fnic/fnic.h~scsi-fnic-fix-format-string-overflow-warning drivers/scsi/fnic/fnic.h
--- a/drivers/scsi/fnic/fnic.h~scsi-fnic-fix-format-string-overflow-warning
+++ a/drivers/scsi/fnic/fnic.h
@@ -180,7 +180,7 @@ enum fnic_msix_intr_index {
struct fnic_msix_entry {
int requested;
- char devname[IFNAMSIZ];
+ char devname[IFNAMSIZ + 11];
irqreturn_t (*isr)(int, void *);
void *devid;
};
_
Patches currently in -mm which might be from arnd@xxxxxxxx are
kbuild-disable-wformat-truncation-warnings-by-default.patch
scsi-megaraid-fix-format-overflow-warning.patch
scsi-mpt3sas-fix-format-overflow-warning.patch
scsi-fusion-fix-string-overflow-warning.patch
scsi-gdth-avoid-buffer-overflow-warning.patch
scsi-fnic-fix-format-string-overflow-warning.patch
scsi-gdth-increase-the-procfs-event-buffer-size.patch
usbvision-i2c-fix-format-overflow-warning.patch
hwmon-applesmc-fix-format-string-overflow.patch
x86-intel-mid-fix-a-format-string-overflow-warning.patch
platform-x86-alienware-wmi-fix-format-string-overflow-warning.patch
block-dac960-shut-up-format-overflow-warning.patch
fscache-fix-fscache_objlist_show-format-processing.patch
ib-mlx4-fix-sprintf-format-warning.patch
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