The patch titled
Subject: powerpc: add .data..Lubsan_data*/.data..Lubsan_type* sections explicitly
has been added to the -mm tree. Its filename is
ubsan-enable-for-allconfig-builds-fix.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/ubsan-enable-for-allconfig-builds-fix.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/ubsan-enable-for-allconfig-builds-fix.patch
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------------------------------------------------------
From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Subject: powerpc: add .data..Lubsan_data*/.data..Lubsan_type* sections explicitly
Similarly to commit
beba24ac5913 ("powerpc/32: Add .data..Lubsan_data*/.data..Lubsan_type* se=
ctions explicitly")
since CONFIG_UBSAN bits can now be enabled for all*config.
Link: https://lkml.kernel.org/r/20201208230157.42c42789@xxxxxxxxxxxxxxxx
Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: Mathieu Malaterre <malat@xxxxxxxxxx>
Cc: Nicholas Piggin <npiggin@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/powerpc/kernel/vmlinux.lds.S | 4 ++++
1 file changed, 4 insertions(+)
--- a/arch/powerpc/kernel/vmlinux.lds.S~ubsan-enable-for-allconfig-builds-fix
+++ a/arch/powerpc/kernel/vmlinux.lds.S
@@ -313,6 +313,10 @@ SECTIONS
#else
.data : AT(ADDR(.data) - LOAD_OFFSET) {
DATA_DATA
+#ifdef CONFIG_UBSAN
+ *(.data..Lubsan_data*)
+ *(.data..Lubsan_type*)
+#endif
*(.data.rel*)
*(.toc1)
*(.branch_lt)
_
Patches currently in -mm which might be from sfr@xxxxxxxxxxxxxxxx are
kernelh-split-out-mathematical-helpers-fix.patch
ubsan-enable-for-allconfig-builds-fix.patch
mm-simplify-follow_ptepmd-fix.patch
