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Fix auditing of canonical mode (rhbz 1188695)

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Laura Abbott 2015-06-03 10:10:19 -07:00 committed by Josh Boyer
parent 1fb2ddd2bd
commit a7c7ac3b2b
2 changed files with 67 additions and 0 deletions
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9
kernel.spec
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@ -609,6 +609,9 @@ Patch26214: acpi_video-Add-enable_native_backlight-quirk-for-Mac.patch
#rhbz 1225563 #rhbz 1225563
Patch26215: HID-lenovo-set-INPUT_PROP_POINTING_STICK.patch Patch26215: HID-lenovo-set-INPUT_PROP_POINTING_STICK.patch
#rhbz 1188695
Patch26218: n_tty-Fix-auditing-support-for-cannonical-mode.patch
# END OF PATCH DEFINITIONS # END OF PATCH DEFINITIONS
%endif %endif
@ -1336,6 +1339,9 @@ ApplyPatch acpi_video-Add-enable_native_backlight-quirk-for-Mac.patch
#rhbz 1225563 #rhbz 1225563
ApplyPatch HID-lenovo-set-INPUT_PROP_POINTING_STICK.patch ApplyPatch HID-lenovo-set-INPUT_PROP_POINTING_STICK.patch
#rhbz 1188695
ApplyPatch n_tty-Fix-auditing-support-for-cannonical-mode.patch
# END OF PATCH APPLICATIONS # END OF PATCH APPLICATIONS
%endif %endif
@ -2200,6 +2206,9 @@ fi
# #
# #
%changelog %changelog
* Wed Jun 03 2015 Laura Abbott <labbott@fedoraproject.org>
- Fix auditing of canonical mode (rhbz 1188695)
* Wed Jun 03 2015 Josh Boyer <jwboyer@fedoraproject.org> * Wed Jun 03 2015 Josh Boyer <jwboyer@fedoraproject.org>
- Fix from Ngo Than for perf build on ppc64le (rhbz 1227260) - Fix from Ngo Than for perf build on ppc64le (rhbz 1227260)

58
n_tty-Fix-auditing-support-for-cannonical-mode.patch Normal file
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@ -0,0 +1,58 @@
From: Laura Abbott <labbott@fedoraproject.org>
Date: Wed, 13 May 2015 17:03:06 -0700
Subject: [PATCH] n_tty: Fix auditing support for cannonical mode
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Commit 32f13521ca68bc624ff6effc77f308a52b038bf0
("n_tty: Line copy to user buffer in canonical mode")
changed cannonical mode copying to use copy_to_user
but missed adding the call to the audit framework.
Add in the appropriate functions to get audit support.
Fixes: 32f13521ca68 ("n_tty: Line copy to user buffer in canonical mode")
Reported-by: Miloslav Trmač <mitr@redhat.com>
Signed-off-by: Laura Abbott <labbott@fedoraproject.org>
---
drivers/tty/n_tty.c | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index cc57a3a6b02b..eee40b5cb025 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -162,6 +162,17 @@ static inline int tty_put_user(struct tty_struct *tty, unsigned char x,
return put_user(x, ptr);
}
+static inline int tty_copy_to_user(struct tty_struct *tty,
+ void __user *to,
+ const void *from,
+ unsigned long n)
+{
+ struct n_tty_data *ldata = tty->disc_data;
+
+ tty_audit_add_data(tty, to, n, ldata->icanon);
+ return copy_to_user(to, from, n);
+}
+
/**
* n_tty_kick_worker - start input worker (if required)
* @tty: terminal
@@ -2084,12 +2095,12 @@ static int canon_copy_from_read_buf(struct tty_struct *tty,
__func__, eol, found, n, c, size, more);
if (n > size) {
- ret = copy_to_user(*b, read_buf_addr(ldata, tail), size);
+ ret = tty_copy_to_user(tty, *b, read_buf_addr(ldata, tail), size);
if (ret)
return -EFAULT;
- ret = copy_to_user(*b + size, ldata->read_buf, n - size);
+ ret = tty_copy_to_user(tty, *b + size, ldata->read_buf, n - size);
} else
- ret = copy_to_user(*b, read_buf_addr(ldata, tail), n);
+ ret = tty_copy_to_user(tty, *b, read_buf_addr(ldata, tail), n);
if (ret)
return -EFAULT;