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1#!/bin/sh2# SPDX-License-Identifier: GPL-2.03# description: Tracepoint probe event parser error log check4# requires: dynamic_events "t[:[<group>/][<event>]] <tracepoint> [<args>]":README5 6check_error() { # command-with-error-pos-by-^7 ftrace_errlog_check 'trace_fprobe' "$1" 'dynamic_events'8}9 10check_error 't^100 kfree' # BAD_MAXACT_TYPE11 12check_error 't:^/bar kfree' # NO_GROUP_NAME13check_error 't:^12345678901234567890123456789012345678901234567890123456789012345/bar kfree' # GROUP_TOO_LONG14 15check_error 't:^foo.1/bar kfree' # BAD_GROUP_NAME16check_error 't:^ kfree' # NO_EVENT_NAME17check_error 't:foo/^12345678901234567890123456789012345678901234567890123456789012345 kfree' # EVENT_TOO_LONG18check_error 't:foo/^bar.1 kfree' # BAD_EVENT_NAME19 20check_error 't kfree ^$retval' # RETVAL_ON_PROBE21check_error 't kfree ^$stack10000' # BAD_STACK_NUM22 23check_error 't kfree ^$arg10000' # BAD_ARG_NUM24 25check_error 't kfree ^$none_var' # BAD_VAR26check_error 't kfree ^%rax' # BAD_VAR27 28check_error 't kfree ^@12345678abcde' # BAD_MEM_ADDR29check_error 't kfree ^@+10' # FILE_ON_KPROBE30 31grep -q "imm-value" README && \32check_error 't kfree arg1=\^x' # BAD_IMM33grep -q "imm-string" README && \34check_error 't kfree arg1=\"abcd^' # IMMSTR_NO_CLOSE35 36check_error 't kfree ^+0@0)' # DEREF_NEED_BRACE37check_error 't kfree ^+0ab1(@0)' # BAD_DEREF_OFFS38check_error 't kfree +0(+0(@0^)' # DEREF_OPEN_BRACE39 40if grep -A1 "fetcharg:" README | grep -q '\$comm' ; then41check_error 't kfree +0(^$comm)' # COMM_CANT_DEREF42fi43 44check_error 't kfree ^&1' # BAD_FETCH_ARG45 46 47# We've introduced this limitation with array support48if grep -q ' <type>\\\[<array-size>\\\]' README; then49check_error 't kfree +0(^+0(+0(+0(+0(+0(+0(+0(+0(+0(+0(+0(+0(+0(@0))))))))))))))' # TOO_MANY_OPS?50check_error 't kfree +0(@11):u8[10^' # ARRAY_NO_CLOSE51check_error 't kfree +0(@11):u8[10]^a' # BAD_ARRAY_SUFFIX52check_error 't kfree +0(@11):u8[^10a]' # BAD_ARRAY_NUM53check_error 't kfree +0(@11):u8[^256]' # ARRAY_TOO_BIG54fi55 56check_error 't kfree @11:^unknown_type' # BAD_TYPE57check_error 't kfree $stack0:^string' # BAD_STRING58check_error 't kfree @11:^b10@a/16' # BAD_BITFIELD59 60check_error 't kfree ^arg123456789012345678901234567890=@11' # ARG_NAME_TOO_LOG61check_error 't kfree ^=@11' # NO_ARG_NAME62check_error 't kfree ^var.1=@11' # BAD_ARG_NAME63check_error 't kfree var1=@11 ^var1=@12' # USED_ARG_NAME64check_error 't kfree ^+1234567(+1234567(+1234567(+1234567(+1234567(+1234567(@1234))))))' # ARG_TOO_LONG65check_error 't kfree arg1=^' # NO_ARG_BODY66 67 68# multiprobe errors69if grep -q "Create/append/" README && grep -q "imm-value" README; then70echo "t:tracepoint/testevent kfree" > dynamic_events71check_error '^f:tracepoint/testevent kfree' # DIFF_PROBE_TYPE72 73# Explicitly use printf "%s" to not interpret \174printf "%s" "t:tracepoints/testevent kfree abcd=\\1" > dynamic_events75check_error "t:tracepoints/testevent kfree ^bcd=\\1" # DIFF_ARG_TYPE76check_error "t:tracepoints/testevent kfree ^abcd=\\1:u8" # DIFF_ARG_TYPE77check_error "t:tracepoints/testevent kfree ^abcd=\\\"foo\"" # DIFF_ARG_TYPE78check_error "^t:tracepoints/testevent kfree abcd=\\1" # SAME_PROBE79fi80 81exit 082