tools/testing/selftests/ftrace/test.d/kprobe/uprobe_syntax_errors.tc

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0
   3 # description: Uprobe event parser error log check
   4 # requires: uprobe_events error_log
   5
   6 check_error() { # command-with-error-pos-by-^
   7     ftrace_errlog_check 'trace_uprobe' "$1" 'uprobe_events'
   8 }
   9
  10 check_error 'p ^/non_exist_file:100'    # FILE_NOT_FOUND
  11 check_error 'p ^/sys:100'               # NO_REGULAR_FILE
  12 check_error 'p /bin/sh:^10a'            # BAD_UPROBE_OFFS
  13 check_error 'p /bin/sh:10(^1a)'         # BAD_REFCNT
  14 check_error 'p /bin/sh:10(10^'          # REFCNT_OPEN_BRACE
  15 check_error 'p /bin/sh:10(10)^a'        # BAD_REFCNT_SUFFIX
  16
  17 check_error 'p /bin/sh:10 ^@+ab'        # BAD_FILE_OFFS
  18 check_error 'p /bin/sh:10 ^@symbol'     # SYM_ON_UPROBE
  19
  20 # %return suffix error
  21 if grep -q "place (uprobe): .*%return.*" README; then
  22 check_error 'p /bin/sh:10^%hoge'        # BAD_ADDR_SUFFIX
  23 check_error 'p /bin/sh:10(10)^%return'  # BAD_REFCNT_SUFFIX
  24 fi
  25
  26 # symstr is not supported by uprobe
  27 if grep -q ".*symstr.*" README; then
  28 check_error 'p /bin/sh:10 $stack0:^symstr'      # BAD_TYPE
  29 fi
  30
  31 exit 0