Commit eb761a17 authored by Nicholas Piggin's avatar Nicholas Piggin Committed by Michael Ellerman
Browse files

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: b6adc6d6 ("powerpc/build: move .data.rel.ro, .sdata2 to read-only")
Signed-off-by: default avatarNicholas Piggin <npiggin@gmail.com>
Reviewed-by: default avatarChristophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20221116043954.3307852-1-npiggin@gmail.com
parent 02a771c9

arch/powerpc/kernel/vmlinux.lds.S

+1 −1
Original line number Diff line number Diff line
@@ -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) {