| #!/bin/sh |
| # SPDX-License-Identifier: GPL-2.0 |
| # description: Tracepoint probe event parser error log check |
| # requires: dynamic_events "t[:[<group>/][<event>]] <tracepoint> [<args>]":README |
| |
| check_error() { # command-with-error-pos-by-^ |
| ftrace_errlog_check 'trace_fprobe' "$1" 'dynamic_events' |
| } |
| |
| check_error 't^100 kfree' # BAD_MAXACT_TYPE |
| |
| check_error 't ^non_exist_tracepoint' # NO_TRACEPOINT |
| check_error 't:^/bar kfree' # NO_GROUP_NAME |
| check_error 't:^12345678901234567890123456789012345678901234567890123456789012345/bar kfree' # GROUP_TOO_LONG |
| |
| check_error 't:^foo.1/bar kfree' # BAD_GROUP_NAME |
| check_error 't:^ kfree' # NO_EVENT_NAME |
| check_error 't:foo/^12345678901234567890123456789012345678901234567890123456789012345 kfree' # EVENT_TOO_LONG |
| check_error 't:foo/^bar.1 kfree' # BAD_EVENT_NAME |
| |
| check_error 't kfree ^$retval' # RETVAL_ON_PROBE |
| check_error 't kfree ^$stack10000' # BAD_STACK_NUM |
| |
| check_error 't kfree ^$arg10000' # BAD_ARG_NUM |
| |
| check_error 't kfree ^$none_var' # BAD_VAR |
| check_error 't kfree ^%rax' # BAD_VAR |
| |
| check_error 't kfree ^@12345678abcde' # BAD_MEM_ADDR |
| check_error 't kfree ^@+10' # FILE_ON_KPROBE |
| |
| grep -q "imm-value" README && \ |
| check_error 't kfree arg1=\^x' # BAD_IMM |
| grep -q "imm-string" README && \ |
| check_error 't kfree arg1=\"abcd^' # IMMSTR_NO_CLOSE |
| |
| check_error 't kfree ^+0@0)' # DEREF_NEED_BRACE |
| check_error 't kfree ^+0ab1(@0)' # BAD_DEREF_OFFS |
| check_error 't kfree +0(+0(@0^)' # DEREF_OPEN_BRACE |
| |
| if grep -A1 "fetcharg:" README | grep -q '\$comm' ; then |
| check_error 't kfree +0(^$comm)' # COMM_CANT_DEREF |
| fi |
| |
| check_error 't kfree ^&1' # BAD_FETCH_ARG |
| |
| |
| # We've introduced this limitation with array support |
| if grep -q ' <type>\\\[<array-size>\\\]' README; then |
| check_error 't kfree +0(^+0(+0(+0(+0(+0(+0(+0(+0(+0(+0(+0(+0(+0(@0))))))))))))))' # TOO_MANY_OPS? |
| check_error 't kfree +0(@11):u8[10^' # ARRAY_NO_CLOSE |
| check_error 't kfree +0(@11):u8[10]^a' # BAD_ARRAY_SUFFIX |
| check_error 't kfree +0(@11):u8[^10a]' # BAD_ARRAY_NUM |
| check_error 't kfree +0(@11):u8[^256]' # ARRAY_TOO_BIG |
| fi |
| |
| check_error 't kfree @11:^unknown_type' # BAD_TYPE |
| check_error 't kfree $stack0:^string' # BAD_STRING |
| check_error 't kfree @11:^b10@a/16' # BAD_BITFIELD |
| |
| check_error 't kfree ^arg123456789012345678901234567890=@11' # ARG_NAME_TOO_LOG |
| check_error 't kfree ^=@11' # NO_ARG_NAME |
| check_error 't kfree ^var.1=@11' # BAD_ARG_NAME |
| check_error 't kfree var1=@11 ^var1=@12' # USED_ARG_NAME |
| check_error 't kfree ^+1234567(+1234567(+1234567(+1234567(+1234567(+1234567(@1234))))))' # ARG_TOO_LONG |
| check_error 't kfree arg1=^' # NO_ARG_BODY |
| |
| |
| # multiprobe errors |
| if grep -q "Create/append/" README && grep -q "imm-value" README; then |
| echo "t:tracepoint/testevent kfree" > dynamic_events |
| check_error '^f:tracepoint/testevent kfree' # DIFF_PROBE_TYPE |
| |
| # Explicitly use printf "%s" to not interpret \1 |
| printf "%s" "t:tracepoints/testevent kfree abcd=\\1" > dynamic_events |
| check_error "t:tracepoints/testevent kfree ^bcd=\\1" # DIFF_ARG_TYPE |
| check_error "t:tracepoints/testevent kfree ^abcd=\\1:u8" # DIFF_ARG_TYPE |
| check_error "t:tracepoints/testevent kfree ^abcd=\\\"foo\"" # DIFF_ARG_TYPE |
| check_error "^t:tracepoints/testevent kfree abcd=\\1" # SAME_PROBE |
| fi |
| |
| exit 0 |
