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authorNicholas Piggin <npiggin@gmail.com>2022-11-16 14:39:53 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2022-11-16 21:37:14 +1100
commiteb761a1760bf30cf64e98ee8d914866e62ec9e8a (patch)
treee068bcd5afdf00bc995b779bb1a05ccf5b38ba67 /arch
parent02a771c9a68a9f08cce4ec5e324fb1bc4dce7202 (diff)
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: b6adc6d6d3272 ("powerpc/build: move .data.rel.ro, .sdata2 to read-only") Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20221116043954.3307852-1-npiggin@gmail.com
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/kernel/vmlinux.lds.S2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S
index 7786e3ac7611..8c3862b4c259 100644
--- 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) {