diff options
| -rw-r--r-- | arch/x86/kernel/uprobes.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/arch/x86/kernel/uprobes.c b/arch/x86/kernel/uprobes.c index d74bb54543b6..3af979fb41d3 100644 --- a/arch/x86/kernel/uprobes.c +++ b/arch/x86/kernel/uprobes.c @@ -761,9 +761,9 @@ void arch_uprobe_clear_state(struct mm_struct *mm) destroy_uprobe_trampoline(tramp); } -static bool __in_uprobe_trampoline(unsigned long ip) +static bool __in_uprobe_trampoline(struct mm_struct *mm, unsigned long ip) { - struct vm_area_struct *vma = vma_lookup(current->mm, ip); + struct vm_area_struct *vma = vma_lookup(mm, ip); return vma && vma_is_special_mapping(vma, &tramp_mapping); } @@ -776,14 +776,14 @@ static bool in_uprobe_trampoline(unsigned long ip) rcu_read_lock(); if (mmap_lock_speculate_try_begin(mm, &seq)) { - found = __in_uprobe_trampoline(ip); + found = __in_uprobe_trampoline(mm, ip); retry = mmap_lock_speculate_retry(mm, seq); } rcu_read_unlock(); if (retry) { mmap_read_lock(mm); - found = __in_uprobe_trampoline(ip); + found = __in_uprobe_trampoline(mm, ip); mmap_read_unlock(mm); } return found; @@ -1044,7 +1044,7 @@ static int copy_from_vaddr(struct mm_struct *mm, unsigned long vaddr, void *dst, return 0; } -static bool __is_optimized(uprobe_opcode_t *insn, unsigned long vaddr) +static bool __is_optimized(struct mm_struct *mm, uprobe_opcode_t *insn, unsigned long vaddr) { struct __packed __arch_relative_insn { u8 op; @@ -1053,7 +1053,7 @@ static bool __is_optimized(uprobe_opcode_t *insn, unsigned long vaddr) if (!is_call_insn(insn)) return false; - return __in_uprobe_trampoline(vaddr + 5 + call->raddr); + return __in_uprobe_trampoline(mm, vaddr + 5 + call->raddr); } static int is_optimized(struct mm_struct *mm, unsigned long vaddr) @@ -1064,7 +1064,7 @@ static int is_optimized(struct mm_struct *mm, unsigned long vaddr) err = copy_from_vaddr(mm, vaddr, &insn, 5); if (err) return err; - return __is_optimized((uprobe_opcode_t *)&insn, vaddr); + return __is_optimized(mm, (uprobe_opcode_t *)&insn, vaddr); } static bool should_optimize(struct arch_uprobe *auprobe) |