diff options
Diffstat (limited to 'kernel/trace/trace_probe_tmpl.h')
| -rw-r--r-- | kernel/trace/trace_probe_tmpl.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/kernel/trace/trace_probe_tmpl.h b/kernel/trace/trace_probe_tmpl.h index c30c61f12ddd..2e9e4dae8839 100644 --- a/kernel/trace/trace_probe_tmpl.h +++ b/kernel/trace/trace_probe_tmpl.h @@ -59,6 +59,9 @@ process_fetch_insn(struct fetch_insn *code, struct pt_regs *regs, static nokprobe_inline int fetch_store_strlen(unsigned long addr); static nokprobe_inline int fetch_store_string(unsigned long addr, void *dest, void *base); +static nokprobe_inline int fetch_store_strlen_user(unsigned long addr); +static nokprobe_inline int +fetch_store_string_user(unsigned long addr, void *dest, void *base); static nokprobe_inline int probe_mem_read(void *dest, void *src, size_t size); @@ -91,6 +94,10 @@ stage3: ret = fetch_store_strlen(val + code->offset); code++; goto array; + } else if (code->op == FETCH_OP_ST_USTRING) { + ret += fetch_store_strlen_user(val + code->offset); + code++; + goto array; } else return -EILSEQ; } @@ -106,6 +113,10 @@ stage3: loc = *(u32 *)dest; ret = fetch_store_string(val + code->offset, dest, base); break; + case FETCH_OP_ST_USTRING: + loc = *(u32 *)dest; + ret = fetch_store_string_user(val + code->offset, dest, base); + break; default: return -EILSEQ; } @@ -123,7 +134,8 @@ array: total += ret; if (++i < code->param) { code = s3; - if (s3->op != FETCH_OP_ST_STRING) { + if (s3->op != FETCH_OP_ST_STRING && + s3->op != FETCH_OP_ST_USTRING) { dest += s3->size; val += s3->size; goto stage3; |