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Open Source and information security mailing list archives
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Date: Sat, 29 Aug 2020 11:23:43 -0700
From: Joe Perches <joe@...ches.com>
To: LKML <linux-kernel@...r.kernel.org>,
Denis Efremov <efremov@...ux.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
"Rafael J. Wysocki" <rafael@...nel.org>,
Kees Cook <keescook@...omium.org>,
"Gustavo A . R . Silva" <gustavoars@...nel.org>,
Julia Lawall <julia.lawall@...ia.fr>,
Alex Dewar <alex.dewar90@...il.com>
Cc: York Sun <york.sun@....com>, Borislav Petkov <bp@...en8.de>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Tony Luck <tony.luck@...el.com>,
James Morse <james.morse@....com>,
Robert Richter <rric@...nel.org>,
Michal Simek <michal.simek@...inx.com>,
Boris Brezillon <bbrezillon@...nel.org>,
Maxim Levitsky <maximlevitsky@...il.com>,
Alex Dubov <oakad@...oo.com>,
Ulf Hansson <ulf.hansson@...aro.org>,
Tomas Winkler <tomas.winkler@...el.com>,
Arnd Bergmann <arnd@...db.de>,
Madalin Bucur <madalin.bucur@....com>,
"David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Douglas Miller <dougmill@...ux.ibm.com>,
Stanislav Yakovlev <stas.yakovlev@...il.com>,
Kalle Valo <kvalo@...eaurora.org>,
Darren Hart <dvhart@...radead.org>,
Andy Shevchenko <andy@...radead.org>,
Kai Mäkisara <Kai.Makisara@...umbus.fi>,
"James E.J. Bottomley" <jejb@...ux.ibm.com>,
"Martin K. Petersen" <martin.petersen@...cle.com>,
Mark Brown <broonie@...nel.org>,
Oliver Neukum <oneukum@...e.com>,
Pete Zaitcev <zaitcev@...hat.com>, linux-edac@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-i3c@...ts.infradead.org, linux-mmc@...r.kernel.org,
netdev@...r.kernel.org, linux-wireless@...r.kernel.org,
platform-driver-x86@...r.kernel.org, linux-scsi@...r.kernel.org,
linux-spi@...r.kernel.org, linux-usb@...r.kernel.org
Subject: sysfs output without newlines
While doing an investigation for a possible treewide conversion of
sysfs output using sprintf/snprintf/scnprintf, I discovered
several instances of sysfs output without terminating newlines.
It seems likely all of these should have newline terminations
or have the \n\r termination changed to a single newline.
Anyone have any objection to patches adding newlines to these
in their original forms using sprintf/snprintf/scnprintf?
A few of these might be false positives as
"%s", string
might already have string with a newline termination.
+++ drivers/edac/fsl_ddr_edac.c
+ return sysfs_emit(data, "0x%08x",
+ return sysfs_emit(data, "0x%08x",
+ return sysfs_emit(data, "0x%08x",
+++ drivers/edac/synopsys_edac.c
+ return sysfs_emit(data, "Data Poisoning: %s\n\r",
+ return sysfs_emit(buf, "1");
+ return sysfs_emit(buf, "0");
+ return sysfs_emit(buf, "1");
+ return sysfs_emit(buf, "0");
+ return sysfs_emit(buf, "0");
+ return sysfs_emit(buf, "1");
+ return sysfs_emit(buf, "0");
+ return sysfs_emit(buf, "%u", !!(data->status & mask));
+ return sysfs_emit(buf, "%u", data->tcrit2[index] * 1000);
+ return sysfs_emit(buf, "%d",
+ return sysfs_emit(buf, "%u", data->tcrit1[index] * 1000);
+ return sysfs_emit(buf, "%d",
+ return sysfs_emit(buf, "%d", data->toffset[index] * 500);
+++ drivers/i3c/master.c
+ return sysfs_emit(buf, "i3c:dcr%02Xmanuf%04X", devinfo.dcr,
+ return sysfs_emit(buf, "i3c:dcr%02Xmanuf%04Xpart%04Xext%04X",
+ return sysfs_emit(buf, "%s", dd->boardversion);
+ return sysfs_emit(buf, "%s", dd->serial);
+ return sysfs_emit(buf, "%s", (char *)ib_qib_version);
+ return sysfs_emit(buf, "%s", dd->boardversion);
+ return sysfs_emit(buf, "%s", dd->lbus_info);
+ return sysfs_emit(buf, "ipac:f%02Xv%08Xd%08X", idev->id_format,
+++ drivers/memstick/core/mspro_block.c
+ return sysfs_emit(buffer, "%s", (char *)s_attr->data);
+ return sysfs_emit(buf, "%s",
+ return sysfs_emit(buf, "%s",
+++ drivers/misc/mei/bus.c
+ return sysfs_emit(buf, "%s", cldev->name);
+ return sysfs_emit(buf, "%pUl", uuid);
+ return sysfs_emit(buf, "%02X", version);
+ return sysfs_emit(buf, "mei:%s:%pUl:%02X:",
+ return sysfs_emit(buf, "%d", maxconn);
+ return sysfs_emit(buf, "%d", fixed);
+ return sysfs_emit(buf, "%d", vt);
+ return sysfs_emit(buf, "%u", maxlen);
+ return sysfs_emit(buf, "%s", mei_dev_state_str(dev_state));
+++ drivers/misc/tifm_core.c
+ return sysfs_emit(buf, "%x", sock->type);
+ return sysfs_emit(buf, "%s",
+ return sysfs_emit(buf, "%d", dev->net_count);
+++ drivers/net/ethernet/freescale/dpaa/dpaa_eth_sysfs.c
+ return sysfs_emit(buf, "%llx",
+ return sysfs_emit(buf, "none");
+++ drivers/net/ethernet/ibm/ehea/ehea_main.c
+ return sysfs_emit(buf, "%d", port->logical_port_id);
+++ drivers/net/wireless/intel/ipw2x00/ipw2200.c
+ return sysfs_emit(buf, "%s", priv->prom_net_dev->name);
+ return sysfs_emit(buf, "0x%04X",
+ return sysfs_emit(buf, "%d", il->retry_rate);
+ return sysfs_emit(buf, "%pOF", np);
+ return sysfs_emit(buf, "pcmcia:m%04Xc%04Xf%02Xfn%02Xpfn%02X"
+++ drivers/platform/x86/dell-smbios-base.c
+ return sysfs_emit(buf, "%08x", da_tokens[i].location);
+ return sysfs_emit(buf, "%08x", da_tokens[i].value);
+ return sysfs_emit(buf, "%08x",
+++ drivers/scsi/st.c
+ return sysfs_emit(buf, "%lld",
+ return sysfs_emit(buf, "%lld",
+ return sysfs_emit(buf, "%lld",
+ return sysfs_emit(buf, "%lld",
+ return sysfs_emit(buf, "%lld",
+ return sysfs_emit(buf, "%lld",
+ return sysfs_emit(buf, "%lld",
+ return sysfs_emit(buf, "%lld",
+ return sysfs_emit(buf, "%lld",
+ return sysfs_emit(buf, "%lld",
+++ drivers/spi/spi-tle62x0.c
+ return sysfs_emit(buf, "%d", value);
+++ drivers/usb/class/cdc-acm.c
+ return sysfs_emit(buf, "%d", acm->ctrl_caps);
+ return sysfs_emit(buf, "%d", acm->country_rel_date);
+++ drivers/usb/class/usblp.c
+ return sysfs_emit(buf, "%s", usblp->device_id_string+2);
+ return sysfs_emit(buf, "usb:v%04Xp%04Xd%04Xdc%02Xdsc%02Xdp%02X"
+++ drivers/usb/misc/cytherm.c
+ return sysfs_emit(buf, "%i", cytherm->brightness);
+ return sysfs_emit(buf, "%c%i.%i", sign ? '-' : '+', temp >> 1,
+ return sysfs_emit(buf, "1");
+ return sysfs_emit(buf, "0");
+ return sysfs_emit(buf, "%d", retval);
+ return sysfs_emit(buf, "%d", retval);
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