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| author | Nicholas Piggin <npiggin@gmail.com> | 2022-11-16 14:39:53 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2022-11-16 21:37:14 +1100 |
| commit | eb761a1760bf30cf64e98ee8d914866e62ec9e8a (patch) | |
| tree | e068bcd5afdf00bc995b779bb1a05ccf5b38ba67 | |
| parent | 02a771c9a68a9f08cce4ec5e324fb1bc4dce7202 (diff) | |
| download | linux-trace-eb761a1760bf30cf64e98ee8d914866e62ec9e8a.tar.gz | |
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
| -rw-r--r-- | arch/powerpc/kernel/vmlinux.lds.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S index 7786e3ac7611cf..8c3862b4c259d6 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) { |