powerpc: Fix writable sections being moved into the rodata region

.data.rel.ro* catches .data.rel.root_cpuacct, and the kernel crashes on a store in css_clear_dir. At least we know read-only data protection is working... Fixes: b6adc6d ("powerpc/build: move .data.rel.ro, .sdata2 to read-only") Signed-off-by: Nicholas Piggin <[email protected]> Reviewed-by: Christophe Leroy <[email protected]> Signed-off-by: Michael Ellerman <[email protected]> Link: https://lore.kernel.org/r/[email protected]
AMDESE · Nov 16, 2022 · eb761a1 · eb761a1
1 parent 02a771c
commit eb761a1
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S
@@ -142,7 +142,7 @@ SECTIONS
 #endif
 
 	.data.rel.ro : AT(ADDR(.data.rel.ro) - LOAD_OFFSET) {
-		*(.data.rel.ro*)
+		*(.data.rel.ro .data.rel.ro.*)
 	}
 
 	.branch_lt : AT(ADDR(.branch_lt) - LOAD_OFFSET) {