Tidy up patches that aren't being applied
This commit is contained in:
Jeremy Cline
parent
a23ced99bd
commit
2d37685605
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@ -1,99 +0,0 @@
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From 714fe15daa07e7691c9731c88de71aa57f84b6c2 Mon Sep 17 00:00:00 2001
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From: Hans de Goede <hdegoede@redhat.com>
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Date: Wed, 3 Jan 2018 11:13:54 +0100
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Subject: [PATCH] platform/x86: dell-laptop: Filter out spurious keyboard
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backlight change events
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On some Dell XPS models WMI events of type 0x0000 reporting a keycode of
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0xe00c get reported when the brightness of the LCD panel changes.
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This leads to us reporting false-positive kbd_led change events to
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userspace which in turn leads to the kbd backlight OSD showing when it
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should not.
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We already read the current keyboard backlight brightness value when
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reporting events because the led_classdev_notify_brightness_hw_changed
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API requires this. Compare this value to the last known value and filter
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out duplicate events, fixing this.
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Note the fixed issue is esp. a problem on XPS models with an ambient light
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sensor and automatic brightness adjustments turned on, this causes the kbd
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backlight OSD to show all the time there.
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BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1514969
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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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---
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drivers/platform/x86/dell-laptop.c | 24 ++++++++++++++++++++++--
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1 file changed, 22 insertions(+), 2 deletions(-)
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diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
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index cd4725e7e0b5..2ef3297a9efc 100644
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--- a/drivers/platform/x86/dell-laptop.c
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+++ b/drivers/platform/x86/dell-laptop.c
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@@ -1133,6 +1133,7 @@ static u8 kbd_previous_mode_bit;
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static bool kbd_led_present;
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static DEFINE_MUTEX(kbd_led_mutex);
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+static enum led_brightness kbd_led_level;
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/*
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* NOTE: there are three ways to set the keyboard backlight level.
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@@ -1947,6 +1948,7 @@ static enum led_brightness kbd_led_level_get(struct led_classdev *led_cdev)
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static int kbd_led_level_set(struct led_classdev *led_cdev,
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enum led_brightness value)
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{
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+ enum led_brightness new_value = value;
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struct kbd_state state;
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struct kbd_state new_state;
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u16 num;
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@@ -1976,6 +1978,9 @@ static int kbd_led_level_set(struct led_classdev *led_cdev,
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}
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out:
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+ if (ret == 0)
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+ kbd_led_level = new_value;
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+
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mutex_unlock(&kbd_led_mutex);
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return ret;
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}
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@@ -2003,6 +2008,9 @@ static int __init kbd_led_init(struct device *dev)
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if (kbd_led.max_brightness)
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kbd_led.max_brightness--;
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}
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+
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+ kbd_led_level = kbd_led_level_get(NULL);
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+
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ret = led_classdev_register(dev, &kbd_led);
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if (ret)
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kbd_led_present = false;
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@@ -2027,13 +2035,25 @@ static void kbd_led_exit(void)
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static int dell_laptop_notifier_call(struct notifier_block *nb,
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unsigned long action, void *data)
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{
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+ bool changed = false;
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+ enum led_brightness new_kbd_led_level;
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+
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switch (action) {
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case DELL_LAPTOP_KBD_BACKLIGHT_BRIGHTNESS_CHANGED:
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if (!kbd_led_present)
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break;
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- led_classdev_notify_brightness_hw_changed(&kbd_led,
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- kbd_led_level_get(&kbd_led));
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+ mutex_lock(&kbd_led_mutex);
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+ new_kbd_led_level = kbd_led_level_get(&kbd_led);
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+ if (kbd_led_level != new_kbd_led_level) {
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+ kbd_led_level = new_kbd_led_level;
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+ changed = true;
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+ }
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+ mutex_unlock(&kbd_led_mutex);
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+
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+ if (changed)
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+ led_classdev_notify_brightness_hw_changed(&kbd_led,
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+ kbd_led_level);
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break;
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}
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--
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2.14.3
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@ -1,44 +0,0 @@
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From 85721e6bfc5da3c8f7971c4acb1a0ad16fb2c16a Mon Sep 17 00:00:00 2001
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From: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
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Date: Thu, 1 Feb 2018 13:29:38 +1100
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Subject: [PATCH] tools/lib/subcmd/pager.c: do not alias select() params
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Use a separate fd set for select()-s exception fds param to fix the
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following gcc warning:
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pager.c:36:12: error: passing argument 2 to restrict-qualified
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parameter aliases with argument 4 [-Werror=restrict]
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select(1, &in, NULL, &in, NULL);
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^~~ ~~~
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Link: http://lkml.kernel.org/r/20180101105626.7168-1-sergey.senozhatsky@gmail.com
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Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
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Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
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Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
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---
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tools/lib/subcmd/pager.c | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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diff --git a/tools/lib/subcmd/pager.c b/tools/lib/subcmd/pager.c
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index 5ba754d17952..9997a8805a82 100644
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--- a/tools/lib/subcmd/pager.c
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+++ b/tools/lib/subcmd/pager.c
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@@ -30,10 +30,13 @@ static void pager_preexec(void)
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* have real input
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*/
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fd_set in;
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+ fd_set exception;
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FD_ZERO(&in);
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+ FD_ZERO(&exception);
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FD_SET(0, &in);
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- select(1, &in, NULL, &in, NULL);
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+ FD_SET(0, &exception);
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+ select(1, &in, NULL, &exception, NULL);
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setenv("LESS", "FRSX", 0);
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}
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--
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2.14.3
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@ -1,180 +0,0 @@
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From: "J. Bruce Fields" <bfields@redhat.com>
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Date: 2017-04-14 15:04:40
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Subject: [PATCH] nfsd: check for oversized NFSv2/v3 arguments
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A client can append random data to the end of an NFSv2 or NFSv3 RPC call
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without our complaining; we'll just stop parsing at the end of the
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expected data and ignore the rest.
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Encoded arguments and replies are stored together in an array of pages,
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and if a call is too large it could leave inadequate space for the
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reply. This is normally OK because NFS RPC's typically have either
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short arguments and long replies (like READ) or long arguments and short
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replies (like WRITE). But a client that sends an incorrectly long reply
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can violate those assumptions. This was observed to cause crashes.
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So, insist that the argument not be any longer than we expect.
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Also, several operations increment rq_next_page in the decode routine
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before checking the argument size, which can leave rq_next_page pointing
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well past the end of the page array, causing trouble later in
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svc_free_pages.
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As followup we may also want to rewrite the encoding routines to check
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more carefully that they aren't running off the end of the page array.
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Reported-by: Tuomas Haanpää <thaan@synopsys.com>
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Reported-by: Ari Kauppi <ari@synopsys.com>
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Cc: stable@vger.kernel.org
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Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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---
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fs/nfsd/nfs3xdr.c | 23 +++++++++++++++++------
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fs/nfsd/nfsxdr.c | 13 ++++++++++---
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include/linux/sunrpc/svc.h | 3 +--
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3 files changed, 28 insertions(+), 11 deletions(-)
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diff --git a/fs/nfsd/nfs3xdr.c b/fs/nfsd/nfs3xdr.c
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index dba2ff8eaa68..be66bcadfaea 100644
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--- a/fs/nfsd/nfs3xdr.c
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+++ b/fs/nfsd/nfs3xdr.c
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@@ -334,8 +334,11 @@ nfs3svc_decode_readargs(struct svc_rqst *rqstp, __be32 *p,
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if (!p)
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return 0;
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p = xdr_decode_hyper(p, &args->offset);
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-
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args->count = ntohl(*p++);
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+
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+ if (!xdr_argsize_check(rqstp, p))
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+ return 0;
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+
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len = min(args->count, max_blocksize);
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/* set up the kvec */
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@@ -349,7 +352,7 @@ nfs3svc_decode_readargs(struct svc_rqst *rqstp, __be32 *p,
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v++;
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}
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args->vlen = v;
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- return xdr_argsize_check(rqstp, p);
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+ return 1;
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}
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int
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@@ -536,9 +539,11 @@ nfs3svc_decode_readlinkargs(struct svc_rqst *rqstp, __be32 *p,
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p = decode_fh(p, &args->fh);
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if (!p)
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return 0;
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+ if (!xdr_argsize_check(rqstp, p))
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+ return 0;
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args->buffer = page_address(*(rqstp->rq_next_page++));
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- return xdr_argsize_check(rqstp, p);
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+ return 1;
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}
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int
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@@ -564,10 +569,14 @@ nfs3svc_decode_readdirargs(struct svc_rqst *rqstp, __be32 *p,
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args->verf = p; p += 2;
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args->dircount = ~0;
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args->count = ntohl(*p++);
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+
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+ if (!xdr_argsize_check(rqstp, p))
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+ return 0;
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+
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args->count = min_t(u32, args->count, PAGE_SIZE);
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args->buffer = page_address(*(rqstp->rq_next_page++));
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- return xdr_argsize_check(rqstp, p);
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+ return 1;
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}
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int
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@@ -585,6 +594,9 @@ nfs3svc_decode_readdirplusargs(struct svc_rqst *rqstp, __be32 *p,
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args->dircount = ntohl(*p++);
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args->count = ntohl(*p++);
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+ if (!xdr_argsize_check(rqstp, p))
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+ return 0;
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+
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len = args->count = min(args->count, max_blocksize);
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while (len > 0) {
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struct page *p = *(rqstp->rq_next_page++);
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@@ -592,8 +604,7 @@ nfs3svc_decode_readdirplusargs(struct svc_rqst *rqstp, __be32 *p,
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args->buffer = page_address(p);
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len -= PAGE_SIZE;
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}
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-
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- return xdr_argsize_check(rqstp, p);
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+ return 1;
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}
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int
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diff --git a/fs/nfsd/nfsxdr.c b/fs/nfsd/nfsxdr.c
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index 41b468a6a90f..79268369f7b3 100644
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--- a/fs/nfsd/nfsxdr.c
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+++ b/fs/nfsd/nfsxdr.c
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@@ -257,6 +257,9 @@ nfssvc_decode_readargs(struct svc_rqst *rqstp, __be32 *p,
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len = args->count = ntohl(*p++);
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p++; /* totalcount - unused */
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+ if (!xdr_argsize_check(rqstp, p))
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+ return 0;
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+
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len = min_t(unsigned int, len, NFSSVC_MAXBLKSIZE_V2);
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/* set up somewhere to store response.
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@@ -272,7 +275,7 @@ nfssvc_decode_readargs(struct svc_rqst *rqstp, __be32 *p,
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v++;
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}
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args->vlen = v;
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- return xdr_argsize_check(rqstp, p);
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+ return 1;
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}
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int
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@@ -360,9 +363,11 @@ nfssvc_decode_readlinkargs(struct svc_rqst *rqstp, __be32 *p, struct nfsd_readli
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p = decode_fh(p, &args->fh);
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if (!p)
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return 0;
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+ if (!xdr_argsize_check(rqstp, p))
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+ return 0;
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args->buffer = page_address(*(rqstp->rq_next_page++));
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- return xdr_argsize_check(rqstp, p);
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+ return 1;
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}
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int
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@@ -400,9 +405,11 @@ nfssvc_decode_readdirargs(struct svc_rqst *rqstp, __be32 *p,
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args->cookie = ntohl(*p++);
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args->count = ntohl(*p++);
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args->count = min_t(u32, args->count, PAGE_SIZE);
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+ if (!xdr_argsize_check(rqstp, p))
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+ return 0;
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args->buffer = page_address(*(rqstp->rq_next_page++));
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- return xdr_argsize_check(rqstp, p);
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+ return 1;
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}
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/*
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diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
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index e770abeed32d..6ef19cf658b4 100644
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--- a/include/linux/sunrpc/svc.h
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+++ b/include/linux/sunrpc/svc.h
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@@ -336,8 +336,7 @@ xdr_argsize_check(struct svc_rqst *rqstp, __be32 *p)
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{
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char *cp = (char *)p;
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struct kvec *vec = &rqstp->rq_arg.head[0];
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- return cp >= (char*)vec->iov_base
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- && cp <= (char*)vec->iov_base + vec->iov_len;
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+ return cp == (char *)vec->iov_base + vec->iov_len;
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}
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static inline int
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--
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2.9.3
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--
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To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
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the body of a message to majordomo@vger.kernel.org
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More majordomo info at http://vger.kernel.org/majordomo-info.html
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@ -1,130 +0,0 @@
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From 7289bfaee2a42bdb56eecab0625907c045d080ba Mon Sep 17 00:00:00 2001
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From: Eric Biggers <ebiggers@google.com>
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Date: Wed, 27 Sep 2017 12:50:41 -0700
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Subject: [PATCH] KEYS: don't let add_key() update an uninstantiated key
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Currently, add_key() will, when passed a key that already exists, call
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the key's ->update() method. But this is heavily broken in the case
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where the key is uninstantiated because it doesn't call
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__key_instantiate_and_link(). Consequently, it doesn't do most of the
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things that are supposed to happen when the key is instantiated, such as
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setting KEY_FLAG_INSTANTIATED, clearing KEY_FLAG_USER_CONSTRUCT and
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awakening tasks waiting on it, and incrementing key->user->nikeys.
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It also never takes key_construction_mutex, which means that
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->instantiate() can run concurrently with ->update() on the same key.
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In the case of the "user" and "logon" key types this causes a memory
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leak, at best. Maybe even worse, the ->update() methods of the
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"encrypted" and "trusted" key types actually just dereference a NULL
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pointer when passed an uninstantiated key.
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Therefore, change find_key_to_update() to return NULL if the found key
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is uninstantiated, so that add_key() replaces the key rather than
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instantiating it. This seems to be better than fixing __key_update() to
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call __key_instantiate_and_link(), since given all the bugs noted above
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as well as that the existing behavior was undocumented and
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keyctl_instantiate() is supposed to be used instead, I doubt anyone was
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relying on the existing behavior.
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This patch only affects *uninstantiated* keys. For now we still allow a
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negatively instantiated key to be updated (thereby positively
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instantiating it), although that's broken too (the next patch fixes it)
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and I'm not sure that anyone actually uses that functionality either.
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Here is a simple reproducer for the bug using the "encrypted" key type
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(requires CONFIG_ENCRYPTED_KEYS=y), though as noted above the bug
|
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pertained to more than just the "encrypted" key type:
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#include <stdlib.h>
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#include <unistd.h>
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#include <keyutils.h>
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int main(void)
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{
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int ringid = keyctl_join_session_keyring(NULL);
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if (fork()) {
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for (;;) {
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const char payload[] = "update user:foo 32";
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usleep(rand() % 10000);
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add_key("encrypted", "desc", payload, sizeof(payload), ringid);
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keyctl_clear(ringid);
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}
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} else {
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for (;;)
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request_key("encrypted", "desc", "callout_info", ringid);
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}
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}
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It causes:
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BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
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IP: encrypted_update+0xb0/0x170
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PGD 7a178067 P4D 7a178067 PUD 77269067 PMD 0
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PREEMPT SMP
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CPU: 0 PID: 340 Comm: reproduce Tainted: G D 4.14.0-rc1-00025-g428490e38b2e #796
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Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
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task: ffff8a467a39a340 task.stack: ffffb15c40770000
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RIP: 0010:encrypted_update+0xb0/0x170
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RSP: 0018:ffffb15c40773de8 EFLAGS: 00010246
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RAX: 0000000000000000 RBX: ffff8a467a275b00 RCX: 0000000000000000
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RDX: 0000000000000005 RSI: ffff8a467a275b14 RDI: ffffffffb742f303
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RBP: ffffb15c40773e20 R08: 0000000000000000 R09: ffff8a467a275b17
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R10: 0000000000000020 R11: 0000000000000000 R12: 0000000000000000
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R13: 0000000000000000 R14: ffff8a4677057180 R15: ffff8a467a275b0f
|
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FS: 00007f5d7fb08700(0000) GS:ffff8a467f200000(0000) knlGS:0000000000000000
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CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
|
||||
CR2: 0000000000000018 CR3: 0000000077262005 CR4: 00000000001606f0
|
||||
Call Trace:
|
||||
key_create_or_update+0x2bc/0x460
|
||||
SyS_add_key+0x10c/0x1d0
|
||||
entry_SYSCALL_64_fastpath+0x1f/0xbe
|
||||
RIP: 0033:0x7f5d7f211259
|
||||
RSP: 002b:00007ffed03904c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000f8
|
||||
RAX: ffffffffffffffda RBX: 000000003b2a7955 RCX: 00007f5d7f211259
|
||||
RDX: 00000000004009e4 RSI: 00000000004009ff RDI: 0000000000400a04
|
||||
RBP: 0000000068db8bad R08: 000000003b2a7955 R09: 0000000000000004
|
||||
R10: 000000000000001a R11: 0000000000000246 R12: 0000000000400868
|
||||
R13: 00007ffed03905d0 R14: 0000000000000000 R15: 0000000000000000
|
||||
Code: 77 28 e8 64 34 1f 00 45 31 c0 31 c9 48 8d 55 c8 48 89 df 48 8d 75 d0 e8 ff f9 ff ff 85 c0 41 89 c4 0f 88 84 00 00 00 4c 8b 7d c8 <49> 8b 75 18 4c 89 ff e8 24 f8 ff ff 85 c0 41 89 c4 78 6d 49 8b
|
||||
RIP: encrypted_update+0xb0/0x170 RSP: ffffb15c40773de8
|
||||
CR2: 0000000000000018
|
||||
|
||||
Cc: <stable@vger.kernel.org> [v2.6.12+]
|
||||
Signed-off-by: Eric Biggers <ebiggers@google.com>
|
||||
---
|
||||
security/keys/keyring.c | 10 ++++++----
|
||||
1 file changed, 6 insertions(+), 4 deletions(-)
|
||||
|
||||
diff --git a/security/keys/keyring.c b/security/keys/keyring.c
|
||||
index 4fa82a8a9c0e..129a4175760b 100644
|
||||
--- a/security/keys/keyring.c
|
||||
+++ b/security/keys/keyring.c
|
||||
@@ -1056,8 +1056,8 @@ EXPORT_SYMBOL(keyring_restrict);
|
||||
* caller must also hold a lock on the keyring semaphore.
|
||||
*
|
||||
* Returns a pointer to the found key with usage count incremented if
|
||||
- * successful and returns NULL if not found. Revoked and invalidated keys are
|
||||
- * skipped over.
|
||||
+ * successful and returns NULL if not found. Revoked, invalidated, and
|
||||
+ * uninstantiated keys are skipped over. (But negative keys are not!)
|
||||
*
|
||||
* If successful, the possession indicator is propagated from the keyring ref
|
||||
* to the returned key reference.
|
||||
@@ -1084,8 +1084,10 @@ key_ref_t find_key_to_update(key_ref_t keyring_ref,
|
||||
|
||||
found:
|
||||
key = keyring_ptr_to_key(object);
|
||||
- if (key->flags & ((1 << KEY_FLAG_INVALIDATED) |
|
||||
- (1 << KEY_FLAG_REVOKED))) {
|
||||
+ if ((key->flags & ((1 << KEY_FLAG_INVALIDATED) |
|
||||
+ (1 << KEY_FLAG_REVOKED) |
|
||||
+ (1 << KEY_FLAG_INSTANTIATED))) !=
|
||||
+ (1 << KEY_FLAG_INSTANTIATED)) {
|
||||
kleave(" = NULL [x]");
|
||||
return NULL;
|
||||
}
|
||||
--
|
||||
2.13.6
|
||||
|
||||
|
|
@ -1,31 +0,0 @@
|
|||
From 3a9fe1504e08824d894bb3a804c6a313f5d1be8a Mon Sep 17 00:00:00 2001
|
||||
From: Josh Boyer <jwboyer@fedoraproject.org>
|
||||
Date: Tue, 25 Oct 2016 12:54:11 -0400
|
||||
Subject: [PATCH 11/20] efi: Add SHIM and image security database GUID
|
||||
definitions
|
||||
|
||||
Add the definitions for shim and image security database, both of which
|
||||
are used widely in various Linux distros.
|
||||
|
||||
Signed-off-by: Josh Boyer <jwboyer@fedoraproject.org>
|
||||
---
|
||||
include/linux/efi.h | 3 +++
|
||||
1 file changed, 3 insertions(+)
|
||||
|
||||
diff --git a/include/linux/efi.h b/include/linux/efi.h
|
||||
index 2d089487d2da..ce943d5accfd 100644
|
||||
--- a/include/linux/efi.h
|
||||
+++ b/include/linux/efi.h
|
||||
@@ -592,6 +592,9 @@ void efi_native_runtime_setup(void);
|
||||
#define EFI_MEMORY_ATTRIBUTES_TABLE_GUID EFI_GUID(0xdcfa911d, 0x26eb, 0x469f, 0xa2, 0x20, 0x38, 0xb7, 0xdc, 0x46, 0x12, 0x20)
|
||||
#define EFI_CONSOLE_OUT_DEVICE_GUID EFI_GUID(0xd3b36f2c, 0xd551, 0x11d4, 0x9a, 0x46, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
|
||||
|
||||
+#define EFI_IMAGE_SECURITY_DATABASE_GUID EFI_GUID(0xd719b2cb, 0x3d3a, 0x4596, 0xa3, 0xbc, 0xda, 0xd0, 0x0e, 0x67, 0x65, 0x6f)
|
||||
+#define EFI_SHIM_LOCK_GUID EFI_GUID(0x605dab50, 0xe046, 0x4300, 0xab, 0xb6, 0x3d, 0xd8, 0x10, 0xdd, 0x8b, 0x23)
|
||||
+
|
||||
/*
|
||||
* This GUID is used to pass to the kernel proper the struct screen_info
|
||||
* structure that was populated by the stub based on the GOP protocol instance
|
||||
--
|
||||
2.9.3
|
||||
|
||||
Loading…
Reference in New Issue