diff options
Diffstat (limited to 'arch/arm64/kernel')
-rw-r--r-- | arch/arm64/kernel/process.c | 4 | ||||
-rw-r--r-- | arch/arm64/kernel/ptrace.c | 2 |
2 files changed, 4 insertions, 2 deletions
diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c index a5ca15daeb8a..5954cec19660 100644 --- a/arch/arm64/kernel/process.c +++ b/arch/arm64/kernel/process.c @@ -288,7 +288,9 @@ static void flush_gcs(void) if (!system_supports_gcs()) return; - gcs_free(current); + current->thread.gcspr_el0 = 0; + current->thread.gcs_base = 0; + current->thread.gcs_size = 0; current->thread.gcs_el0_mode = 0; write_sysreg_s(GCSCRE0_EL1_nTR, SYS_GCSCRE0_EL1); write_sysreg_s(0, SYS_GCSPR_EL0); diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c index a360e52db02f..ee94b72bf8fb 100644 --- a/arch/arm64/kernel/ptrace.c +++ b/arch/arm64/kernel/ptrace.c @@ -141,7 +141,7 @@ unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs, unsigned int n) addr += n; if (regs_within_kernel_stack(regs, (unsigned long)addr)) - return *addr; + return READ_ONCE_NOCHECK(*addr); else return 0; } |