Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752074AbcLSGFR convert rfc822-to-8bit (ORCPT ); Mon, 19 Dec 2016 01:05:17 -0500 Received: from mga11.intel.com ([192.55.52.93]:59112 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750809AbcLSGFP (ORCPT ); Mon, 19 Dec 2016 01:05:15 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.33,372,1477983600"; d="scan'208";a="1083911281" From: "Zheng, Lv" To: Kees Cook , "Moore, Robert" CC: "linux-kernel@vger.kernel.org" , "Wysocki, Rafael J" , Len Brown , "linux-acpi@vger.kernel.org" , Emese Revfy , "devel@acpica.org" Subject: RE: [PATCH] acpi: Fix format string type mistakes Thread-Topic: [PATCH] acpi: Fix format string type mistakes Thread-Index: AQHSV+aXteaDe/TI0kiBnuatDRU9CKEOy0SQ Date: Mon, 19 Dec 2016 06:05:09 +0000 Message-ID: <1AE640813FDE7649BE1B193DEA596E886CDFF331@SHSMSX101.ccr.corp.intel.com> References: <20161216215137.GA96800@beast> In-Reply-To: <20161216215137.GA96800@beast> Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsMyIsImlkIjoiMDRmYzY1OWYtOWM4NC00NTAxLWEzM2QtNTc1MDViYTQxZTczIiwicHJvcHMiOlt7Im4iOiJDVFBDbGFzc2lmaWNhdGlvbiIsInZhbHMiOlt7InZhbHVlIjoiQ1RQX0lDIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE1LjkuNi42IiwiVHJ1c3RlZExhYmVsSGFzaCI6IlZSY0ZDYkJWaWVqZ1FwRnczbWNBTTFmVTlUZ0JNcnJHSXFKYXJOR3NXWms9In0= x-ctpclassification: CTP_IC x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 12280 Lines: 300 Hi, > From: Kees Cook [mailto:keescook@chromium.org] > Subject: [PATCH] acpi: Fix format string type mistakes > > From: Emese Revfy > > This adds the missing __printf attribute which allows compile time > format string checking (and will be used by the coming initify gcc > plugin). Additionally, this fixes the warnings exposed by the attribute. > > Signed-off-by: Emese Revfy > [kees: split scsi/acpi, merged attr and fix, new commit messages] > Signed-off-by: Kees Cook > --- > drivers/acpi/acpica/dbhistry.c | 2 +- > drivers/acpi/acpica/dbinput.c | 10 ++--- > drivers/acpi/acpica/dbstats.c | 88 +++++++++++++++++++++--------------------- > drivers/acpi/acpica/utdebug.c | 2 +- > include/acpi/acpiosxf.h | 3 +- > 5 files changed, 53 insertions(+), 52 deletions(-) > > diff --git a/drivers/acpi/acpica/dbhistry.c b/drivers/acpi/acpica/dbhistry.c > index 46bd65d38df9..ec9da4830f6a 100644 > --- a/drivers/acpi/acpica/dbhistry.c > +++ b/drivers/acpi/acpica/dbhistry.c > @@ -155,7 +155,7 @@ void acpi_db_display_history(void) > > for (i = 0; i < acpi_gbl_num_history; i++) { > if (acpi_gbl_history_buffer[history_index].command) { > - acpi_os_printf("%3ld %s\n", > + acpi_os_printf("%3u %s\n", > acpi_gbl_history_buffer[history_index]. > cmd_num, > acpi_gbl_history_buffer[history_index]. > diff --git a/drivers/acpi/acpica/dbinput.c b/drivers/acpi/acpica/dbinput.c > index 068214f9cc9d..43be06bdb790 100644 > --- a/drivers/acpi/acpica/dbinput.c > +++ b/drivers/acpi/acpica/dbinput.c > @@ -608,7 +608,7 @@ static u32 acpi_db_get_line(char *input_buffer) > (acpi_gbl_db_parsed_buf, sizeof(acpi_gbl_db_parsed_buf), > input_buffer)) { > acpi_os_printf > - ("Buffer overflow while parsing input line (max %u characters)\n", > + ("Buffer overflow while parsing input line (max %lu characters)\n", > sizeof(acpi_gbl_db_parsed_buf)); > return (0); > } > @@ -864,24 +864,24 @@ acpi_db_command_dispatch(char *input_buffer, > > if (param_count == 0) { > acpi_os_printf > - ("Current debug level for file output is: %8.8lX\n", > + ("Current debug level for file output is: %8.8X\n", > acpi_gbl_db_debug_level); > acpi_os_printf > - ("Current debug level for console output is: %8.8lX\n", > + ("Current debug level for console output is: %8.8X\n", > acpi_gbl_db_console_debug_level); > } else if (param_count == 2) { > temp = acpi_gbl_db_console_debug_level; > acpi_gbl_db_console_debug_level = > strtoul(acpi_gbl_db_args[1], NULL, 16); > acpi_os_printf > - ("Debug Level for console output was %8.8lX, now %8.8lX\n", > + ("Debug Level for console output was %8.8X, now %8.8X\n", > temp, acpi_gbl_db_console_debug_level); > } else { > temp = acpi_gbl_db_debug_level; > acpi_gbl_db_debug_level = > strtoul(acpi_gbl_db_args[1], NULL, 16); > acpi_os_printf > - ("Debug Level for file output was %8.8lX, now %8.8lX\n", > + ("Debug Level for file output was %8.8X, now %8.8X\n", > temp, acpi_gbl_db_debug_level); > } > break; > diff --git a/drivers/acpi/acpica/dbstats.c b/drivers/acpi/acpica/dbstats.c > index a414e1fa6f9d..de7023024b12 100644 > --- a/drivers/acpi/acpica/dbstats.c > +++ b/drivers/acpi/acpica/dbstats.c > @@ -377,17 +377,17 @@ acpi_status acpi_db_display_statistics(char *type_arg) > "ACPI_TYPE", "NODES", "OBJECTS"); > > for (i = 0; i < ACPI_TYPE_NS_NODE_MAX; i++) { > - acpi_os_printf("%16.16s % 10ld% 10ld\n", > + acpi_os_printf("%16.16s % 10d% 10d\n", > acpi_ut_get_type_name(i), > acpi_gbl_node_type_count[i], > acpi_gbl_obj_type_count[i]); > } > > - acpi_os_printf("%16.16s % 10ld% 10ld\n", "Misc/Unknown", > + acpi_os_printf("%16.16s % 10d% 10d\n", "Misc/Unknown", > acpi_gbl_node_type_count_misc, > acpi_gbl_obj_type_count_misc); > > - acpi_os_printf("%16.16s % 10ld% 10ld\n", "TOTALS:", > + acpi_os_printf("%16.16s % 10d% 10d\n", "TOTALS:", > acpi_gbl_num_nodes, acpi_gbl_num_objects); > break; > > @@ -415,16 +415,16 @@ acpi_status acpi_db_display_statistics(char *type_arg) > case CMD_STAT_MISC: > > acpi_os_printf("\nMiscellaneous Statistics:\n\n"); > - acpi_os_printf("Calls to AcpiPsFind:.. ........% 7ld\n", > + acpi_os_printf("Calls to AcpiPsFind:.. ........% 7u\n", > acpi_gbl_ps_find_count); > - acpi_os_printf("Calls to AcpiNsLookup:..........% 7ld\n", > + acpi_os_printf("Calls to AcpiNsLookup:..........% 7u\n", > acpi_gbl_ns_lookup_count); > > acpi_os_printf("\n"); > > acpi_os_printf("Mutex usage:\n\n"); > for (i = 0; i < ACPI_NUM_MUTEX; i++) { > - acpi_os_printf("%-28s: % 7ld\n", > + acpi_os_printf("%-28s: % 7u\n", > acpi_ut_get_mutex_name(i), > acpi_gbl_mutex_info[i].use_count); > } > @@ -434,87 +434,87 @@ acpi_status acpi_db_display_statistics(char *type_arg) > > acpi_os_printf("\nInternal object sizes:\n\n"); > > - acpi_os_printf("Common %3d\n", > + acpi_os_printf("Common %3lu\n", > sizeof(struct acpi_object_common)); > - acpi_os_printf("Number %3d\n", > + acpi_os_printf("Number %3lu\n", > sizeof(struct acpi_object_integer)); > - acpi_os_printf("String %3d\n", > + acpi_os_printf("String %3lu\n", > sizeof(struct acpi_object_string)); > - acpi_os_printf("Buffer %3d\n", > + acpi_os_printf("Buffer %3lu\n", > sizeof(struct acpi_object_buffer)); > - acpi_os_printf("Package %3d\n", > + acpi_os_printf("Package %3lu\n", > sizeof(struct acpi_object_package)); > - acpi_os_printf("BufferField %3d\n", > + acpi_os_printf("BufferField %3lu\n", > sizeof(struct acpi_object_buffer_field)); > - acpi_os_printf("Device %3d\n", > + acpi_os_printf("Device %3lu\n", > sizeof(struct acpi_object_device)); > - acpi_os_printf("Event %3d\n", > + acpi_os_printf("Event %3lu\n", > sizeof(struct acpi_object_event)); > - acpi_os_printf("Method %3d\n", > + acpi_os_printf("Method %3lu\n", > sizeof(struct acpi_object_method)); > - acpi_os_printf("Mutex %3d\n", > + acpi_os_printf("Mutex %3lu\n", > sizeof(struct acpi_object_mutex)); > - acpi_os_printf("Region %3d\n", > + acpi_os_printf("Region %3lu\n", > sizeof(struct acpi_object_region)); > - acpi_os_printf("PowerResource %3d\n", > + acpi_os_printf("PowerResource %3lu\n", > sizeof(struct acpi_object_power_resource)); > - acpi_os_printf("Processor %3d\n", > + acpi_os_printf("Processor %3lu\n", > sizeof(struct acpi_object_processor)); > - acpi_os_printf("ThermalZone %3d\n", > + acpi_os_printf("ThermalZone %3lu\n", > sizeof(struct acpi_object_thermal_zone)); > - acpi_os_printf("RegionField %3d\n", > + acpi_os_printf("RegionField %3lu\n", > sizeof(struct acpi_object_region_field)); > - acpi_os_printf("BankField %3d\n", > + acpi_os_printf("BankField %3lu\n", > sizeof(struct acpi_object_bank_field)); > - acpi_os_printf("IndexField %3d\n", > + acpi_os_printf("IndexField %3lu\n", > sizeof(struct acpi_object_index_field)); > - acpi_os_printf("Reference %3d\n", > + acpi_os_printf("Reference %3lu\n", > sizeof(struct acpi_object_reference)); > - acpi_os_printf("Notify %3d\n", > + acpi_os_printf("Notify %3lu\n", > sizeof(struct acpi_object_notify_handler)); > - acpi_os_printf("AddressSpace %3d\n", > + acpi_os_printf("AddressSpace %3lu\n", > sizeof(struct acpi_object_addr_handler)); > - acpi_os_printf("Extra %3d\n", > + acpi_os_printf("Extra %3lu\n", > sizeof(struct acpi_object_extra)); > - acpi_os_printf("Data %3d\n", > + acpi_os_printf("Data %3lu\n", > sizeof(struct acpi_object_data)); > > acpi_os_printf("\n"); > > - acpi_os_printf("ParseObject %3d\n", > + acpi_os_printf("ParseObject %3lu\n", > sizeof(struct acpi_parse_obj_common)); > - acpi_os_printf("ParseObjectNamed %3d\n", > + acpi_os_printf("ParseObjectNamed %3lu\n", > sizeof(struct acpi_parse_obj_named)); > - acpi_os_printf("ParseObjectAsl %3d\n", > + acpi_os_printf("ParseObjectAsl %3lu\n", > sizeof(struct acpi_parse_obj_asl)); > - acpi_os_printf("OperandObject %3d\n", > + acpi_os_printf("OperandObject %3lu\n", > sizeof(union acpi_operand_object)); > - acpi_os_printf("NamespaceNode %3d\n", > + acpi_os_printf("NamespaceNode %3lu\n", > sizeof(struct acpi_namespace_node)); > - acpi_os_printf("AcpiObject %3d\n", > + acpi_os_printf("AcpiObject %3lu\n", > sizeof(union acpi_object)); > > acpi_os_printf("\n"); > > - acpi_os_printf("Generic State %3d\n", > + acpi_os_printf("Generic State %3lu\n", > sizeof(union acpi_generic_state)); > - acpi_os_printf("Common State %3d\n", > + acpi_os_printf("Common State %3lu\n", > sizeof(struct acpi_common_state)); > - acpi_os_printf("Control State %3d\n", > + acpi_os_printf("Control State %3lu\n", > sizeof(struct acpi_control_state)); > - acpi_os_printf("Update State %3d\n", > + acpi_os_printf("Update State %3lu\n", > sizeof(struct acpi_update_state)); > - acpi_os_printf("Scope State %3d\n", > + acpi_os_printf("Scope State %3lu\n", > sizeof(struct acpi_scope_state)); > - acpi_os_printf("Parse Scope %3d\n", > + acpi_os_printf("Parse Scope %3lu\n", > sizeof(struct acpi_pscope_state)); > - acpi_os_printf("Package State %3d\n", > + acpi_os_printf("Package State %3lu\n", > sizeof(struct acpi_pkg_state)); > - acpi_os_printf("Thread State %3d\n", > + acpi_os_printf("Thread State %3lu\n", > sizeof(struct acpi_thread_state)); > - acpi_os_printf("Result Values %3d\n", > + acpi_os_printf("Result Values %3lu\n", > sizeof(struct acpi_result_values)); > - acpi_os_printf("Notify Info %3d\n", > + acpi_os_printf("Notify Info %3lu\n", > sizeof(struct acpi_notify_info)); > break; > > diff --git a/drivers/acpi/acpica/utdebug.c b/drivers/acpi/acpica/utdebug.c > index 044df9b0356e..b4cdb9c14a87 100644 > --- a/drivers/acpi/acpica/utdebug.c > +++ b/drivers/acpi/acpica/utdebug.c > @@ -189,7 +189,7 @@ acpi_debug_print(u32 requested_debug_level, > * Display the module name, current line number, thread ID (if requested), > * current procedure nesting level, and the current procedure name > */ > - acpi_os_printf("%9s-%04ld ", module_name, line_number); > + acpi_os_printf("%9s-%04u ", module_name, line_number); > > #ifdef ACPI_APPLICATION > /* Please split above changes into a separate patch. I'm not sure if the changes can break other compilers. Please clone https://github.com/acpica/acpica, and submit a pull request there to have more ACPICA reviewers. > diff --git a/include/acpi/acpiosxf.h b/include/acpi/acpiosxf.h > index f3414c83abb1..48b21490bbeb 100644 > --- a/include/acpi/acpiosxf.h > +++ b/include/acpi/acpiosxf.h > @@ -337,11 +337,12 @@ acpi_status acpi_os_signal(u32 function, void *info); > * Debug print routines > */ > #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_printf > +__printf(1, 2) > void ACPI_INTERNAL_VAR_XFACE acpi_os_printf(const char *format, ...); > #endif > > #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_vprintf > -void acpi_os_vprintf(const char *format, va_list args); > +__printf(1, 0) void acpi_os_vprintf(const char *format, va_list args); > #endif > > #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_redirect_output You can use ACPI_PRINTF_LIKE macro instead. This can directly go into Linux upstream. You can prepare a different pull request for ACPICA upstream or I can help to back port the change. Thanks Lv > -- > 2.7.4 > > > -- > Kees Cook > Nexus Security