4.19-stable patches

added patches:
	edac-fix-calculation-of-returned-address-and-next-offset-in-edac_align_ptr.patch

diff --git a/queue-4.19/edac-fix-calculation-of-returned-address-and-next-offset-in-edac_align_ptr.patch b/queue-4.19/edac-fix-calculation-of-returned-address-and-next-offset-in-edac_align_ptr.patch
new file mode 100644 (file)
index 0000000..07297ba
--- /dev/null
+++ b/queue-4.19/edac-fix-calculation-of-returned-address-and-next-offset-in-edac_align_ptr.patch
@@ -0,0 +1,45 @@
+From f8efca92ae509c25e0a4bd5d0a86decea4f0c41e Mon Sep 17 00:00:00 2001
+From: Eliav Farber <farbere@amazon.com>
+Date: Thu, 13 Jan 2022 10:06:19 +0000
+Subject: EDAC: Fix calculation of returned address and next offset in edac_align_ptr()
+
+From: Eliav Farber <farbere@amazon.com>
+
+commit f8efca92ae509c25e0a4bd5d0a86decea4f0c41e upstream.
+
+Do alignment logic properly and use the "ptr" local variable for
+calculating the remainder of the alignment.
+
+This became an issue because struct edac_mc_layer has a size that is not
+zero modulo eight, and the next offset that was prepared for the private
+data was unaligned, causing an alignment exception.
+
+The patch in Fixes: which broke this actually wanted to "what we
+actually care about is the alignment of the actual pointer that's about
+to be returned." But it didn't check that alignment.
+
+Use the correct variable "ptr" for that.
+
+  [ bp: Massage commit message. ]
+
+Fixes: 8447c4d15e35 ("edac: Do alignment logic properly in edac_align_ptr()")
+Signed-off-by: Eliav Farber <farbere@amazon.com>
+Signed-off-by: Borislav Petkov <bp@suse.de>
+Cc: <stable@vger.kernel.org>
+Link: https://lore.kernel.org/r/20220113100622.12783-2-farbere@amazon.com
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+---
+ drivers/edac/edac_mc.c |    2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/drivers/edac/edac_mc.c
++++ b/drivers/edac/edac_mc.c
+@@ -265,7 +265,7 @@ void *edac_align_ptr(void **p, unsigned
+       else
+               return (char *)ptr;
+ 
+-      r = (unsigned long)p % align;
++      r = (unsigned long)ptr % align;
+ 
+       if (r == 0)
+               return (char *)ptr;

diff --git a/queue-4.19/series b/queue-4.19/series
index fe9a1ba6e576c3e3a4de8f59ae2b236f9e5c541e..46755f148b856a5c1426fb8d83fea088617e56e2 100644 (file)
--- a/queue-4.19/series
+++ b/queue-4.19/series
@@ -38,6 +38,7 @@ block-wbt-fix-negative-inflight-counter-when-remove-scsi-device.patch
 nfs-lookup_directory-is-also-ok-with-symlinks.patch
 nfs-do-not-report-writeback-errors-in-nfs_getattr.patch
 mtd-rawnand-qcom-fix-clock-sequencing-in-qcom_nandc_probe.patch
+edac-fix-calculation-of-returned-address-and-next-offset-in-edac_align_ptr.patch
 mtd-rawnand-brcmnand-refactored-code-to-introduce-he.patch
 mtd-rawnand-brcmnand-fixed-incorrect-sub-page-ecc-st.patch
 drivers-hv-vmbus-expose-monitor-data-only-when-monit.patch