Hi ZhaoLong, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 95bc69473a373c2e578d4fc39734e5811a03ead3 commit: 1119ec49ac4ac643e6d7c9a5a834040aef87612e [1559/1559] mm, fs: Add BPF_READAHEAD build option for bpf readhead config: arm64-randconfig-004-20241129 (https://download.01.org/0day-ci/archive/20241129/202411290526.4JBRte8h-lkp@i...) compiler: aarch64-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241129/202411290526.4JBRte8h-lkp@i...) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202411290526.4JBRte8h-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from drivers/usb/host/xhci-trace.h:25, from drivers/usb/host/xhci-trace.c:12: In function 'xhci_decode_ep_context', inlined from 'trace_raw_output_xhci_log_ep_ctx' at drivers/usb/host/./xhci-trace.h:312:1:

...

drivers/usb/host/xhci.h:2801:15: warning: argument 1 null where non-null expected [-Wnonnull] 2801 | ret = sprintf(str, "State %s mult %d max P. Streams %d %s", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2802 | xhci_ep_state_string(ep_state), mult, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2803 | max_pstr, lsa ? "LSA " : ""); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/kernel.h:32, from include/linux/cpumask.h:10, from include/linux/smp.h:13, from include/linux/tracepoint.h:15, from drivers/usb/host/xhci-trace.h:24: include/linux/sprintf.h: In function 'trace_raw_output_xhci_log_ep_ctx': include/linux/sprintf.h:10:20: note: in a call to function 'sprintf' declared 'nonnull' 10 | __printf(2, 3) int sprintf(char *buf, const char * fmt, ...); | ^~~~~~~ In function 'xhci_decode_ep_context', inlined from 'trace_raw_output_xhci_log_ep_ctx' at drivers/usb/host/./xhci-trace.h:312:1: drivers/usb/host/xhci.h:2801:15: warning: null destination pointer [-Wformat-overflow=] 2801 | ret = sprintf(str, "State %s mult %d max P. Streams %d %s", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2802 | xhci_ep_state_string(ep_state), mult, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2803 | max_pstr, lsa ? "LSA " : ""); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from include/trace/define_trace.h:102, from drivers/usb/host/xhci-trace.h:622: drivers/usb/host/./xhci-trace.h: In function 'trace_raw_output_xhci_log_ep_ctx': drivers/usb/host/./xhci-trace.h:327:19: warning: '%s' directive argument is null [-Wformat-overflow=] 327 | TP_printk("%s", xhci_decode_ep_context(__get_buf(XHCI_MSG_MAX), | ^~~~ include/trace/trace_events.h:203:34: note: in definition of macro 'DECLARE_EVENT_CLASS' 203 | trace_event_printf(iter, print); \ | ^~~~~ drivers/usb/host/./xhci-trace.h:327:9: note: in expansion of macro 'TP_printk' 327 | TP_printk("%s", xhci_decode_ep_context(__get_buf(XHCI_MSG_MAX), | ^~~~~~~~~ In file included from include/trace/trace_events.h:237: drivers/usb/host/./xhci-trace.h:327:20: note: format string is defined here 327 | TP_printk("%s", xhci_decode_ep_context(__get_buf(XHCI_MSG_MAX), | ^~ In function 'xhci_decode_doorbell', inlined from 'trace_raw_output_xhci_log_doorbell' at drivers/usb/host/./xhci-trace.h:543:1: drivers/usb/host/xhci.h:2706:17: warning: argument 1 null where non-null expected [-Wnonnull] 2706 | sprintf(str, "Command Ring %d", doorbell); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/sprintf.h: In function 'trace_raw_output_xhci_log_doorbell': include/linux/sprintf.h:10:20: note: in a call to function 'sprintf' declared 'nonnull' 10 | __printf(2, 3) int sprintf(char *buf, const char * fmt, ...); | ^~~~~~~ In function 'xhci_decode_doorbell', inlined from 'trace_raw_output_xhci_log_doorbell' at drivers/usb/host/./xhci-trace.h:543:1: drivers/usb/host/xhci.h:2709:15: warning: argument 1 null where non-null expected [-Wnonnull] 2709 | ret = sprintf(str, "Slot %d ", slot); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/sprintf.h: In function 'trace_raw_output_xhci_log_doorbell': include/linux/sprintf.h:10:20: note: in a call to function 'sprintf' declared 'nonnull' 10 | __printf(2, 3) int sprintf(char *buf, const char * fmt, ...); | ^~~~~~~ In function 'xhci_decode_doorbell', inlined from 'trace_raw_output_xhci_log_doorbell' at drivers/usb/host/./xhci-trace.h:543:1: drivers/usb/host/xhci.h:2709:15: warning: null destination pointer [-Wformat-overflow=] 2709 | ret = sprintf(str, "Slot %d ", slot); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/usb/host/xhci.h:2706:17: warning: null destination pointer [-Wformat-overflow=] 2706 | sprintf(str, "Command Ring %d", doorbell); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/usb/host/./xhci-trace.h: In function 'trace_raw_output_xhci_log_doorbell': drivers/usb/host/./xhci-trace.h:554:19: warning: '%s' directive argument is null [-Wformat-overflow=] 554 | TP_printk("Ring doorbell for %s", | ^~~~~~~~~~~~~~~~~~~~~~ include/trace/trace_events.h:203:34: note: in definition of macro 'DECLARE_EVENT_CLASS' 203 | trace_event_printf(iter, print); \ | ^~~~~ drivers/usb/host/./xhci-trace.h:554:9: note: in expansion of macro 'TP_printk' 554 | TP_printk("Ring doorbell for %s", | ^~~~~~~~~ drivers/usb/host/./xhci-trace.h:554:38: note: format string is defined here 554 | TP_printk("Ring doorbell for %s", | ^~ drivers/usb/host/xhci.h: In function 'xhci_decode_portsc.constprop': drivers/usb/host/xhci.h:2624:15: warning: argument 1 null where non-null expected [-Wnonnull] 2624 | ret = sprintf(str, "%s %s %s Link:%s PortSpeed:%d ", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2625 | portsc & PORT_POWER ? "Powered" : "Powered-off", | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2626 | portsc & PORT_CONNECT ? "Connected" : "Not-connected", | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2627 | portsc & PORT_PE ? "Enabled" : "Disabled", | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2628 | xhci_portsc_link_state_string(portsc), | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2629 | DEV_PORT_SPEED(portsc)); | ~~~~~~~~~~~~~~~~~~~~~~~ include/linux/sprintf.h:10:20: note: in a call to function 'sprintf' declared 'nonnull' 10 | __printf(2, 3) int sprintf(char *buf, const char * fmt, ...); | ^~~~~~~ drivers/usb/host/xhci.h:2624:15: warning: null destination pointer [-Wformat-overflow=] 2624 | ret = sprintf(str, "%s %s %s Link:%s PortSpeed:%d ", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2625 | portsc & PORT_POWER ? "Powered" : "Powered-off", | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2626 | portsc & PORT_CONNECT ? "Connected" : "Not-connected", | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2627 | portsc & PORT_PE ? "Enabled" : "Disabled", | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2628 | xhci_portsc_link_state_string(portsc), | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2629 | DEV_PORT_SPEED(portsc)); | ~~~~~~~~~~~~~~~~~~~~~~~ drivers/usb/host/./xhci-trace.h: In function 'trace_raw_output_xhci_log_portsc': drivers/usb/host/./xhci-trace.h:522:31: warning: '%s' directive argument is null [-Wformat-overflow=] 522 | TP_printk("port-%d: %s", | ^~~~~~~~~~~~~ include/trace/trace_events.h:203:34: note: in definition of macro 'DECLARE_EVENT_CLASS' 203 | trace_event_printf(iter, print); \ | ^~~~~ drivers/usb/host/./xhci-trace.h:522:21: note: in expansion of macro 'TP_printk' 522 | TP_printk("port-%d: %s", | ^~~~~~~~~ drivers/usb/host/./xhci-trace.h:522:41: note: format string is defined here 522 | TP_printk("port-%d: %s", | ^~ In function 'xhci_decode_slot_context', inlined from 'trace_raw_output_xhci_log_slot_ctx' at drivers/usb/host/./xhci-trace.h:357:1: drivers/usb/host/xhci.h:2546:15: warning: argument 1 null where non-null expected [-Wnonnull] 2546 | ret = sprintf(str, "RS %05x %s%s%s Ctx Entries %d MEL %d us Port# %d/%d", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2547 | info & ROUTE_STRING_MASK,

vim +2801 drivers/usb/host/xhci.h 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2763 4843b4b5ec64b8 Mathias Nyman 2021-08-20 2764 static inline const char *xhci_decode_ep_context(char *str, u32 info, 4843b4b5ec64b8 Mathias Nyman 2021-08-20 2765 u32 info2, u64 deq, u32 tx_info) 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2766 { 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2767 int ret; 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2768 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2769 u32 esit; 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2770 u16 maxp; 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2771 u16 avg; 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2772 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2773 u8 max_pstr; 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2774 u8 ep_state; 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2775 u8 interval; 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2776 u8 ep_type; 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2777 u8 burst; 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2778 u8 cerr; 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2779 u8 mult; 97ef0faf575e03 Mathias Nyman 2018-03-08 2780 97ef0faf575e03 Mathias Nyman 2018-03-08 2781 bool lsa; 97ef0faf575e03 Mathias Nyman 2018-03-08 2782 bool hid; 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2783 76a14d7bf92960 Mathias Nyman 2017-09-18 2784 esit = CTX_TO_MAX_ESIT_PAYLOAD_HI(info) << 16 | 76a14d7bf92960 Mathias Nyman 2017-09-18 2785 CTX_TO_MAX_ESIT_PAYLOAD(tx_info); 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2786 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2787 ep_state = info & EP_STATE_MASK; 97ef0faf575e03 Mathias Nyman 2018-03-08 2788 max_pstr = CTX_TO_EP_MAXPSTREAMS(info); 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2789 interval = CTX_TO_EP_INTERVAL(info); 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2790 mult = CTX_TO_EP_MULT(info) + 1; 97ef0faf575e03 Mathias Nyman 2018-03-08 2791 lsa = !!(info & EP_HAS_LSA); 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2792 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2793 cerr = (info2 & (3 << 1)) >> 1; 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2794 ep_type = CTX_TO_EP_TYPE(info2); 97ef0faf575e03 Mathias Nyman 2018-03-08 2795 hid = !!(info2 & (1 << 7)); 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2796 burst = CTX_TO_MAX_BURST(info2); 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2797 maxp = MAX_PACKET_DECODED(info2); 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2798 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2799 avg = EP_AVG_TRB_LENGTH(tx_info); 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2800 19a7d0d65c4a81 Felipe Balbi 2017-04-07 @2801 ret = sprintf(str, "State %s mult %d max P. Streams %d %s", 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2802 xhci_ep_state_string(ep_state), mult, 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2803 max_pstr, lsa ? "LSA " : ""); 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2804 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2805 ret += sprintf(str + ret, "interval %d us max ESIT payload %d CErr %d ", 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2806 (1 << interval) * 125, esit, cerr); 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2807 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2808 ret += sprintf(str + ret, "Type %s %sburst %d maxp %d deq %016llx ", 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2809 xhci_ep_type_string(ep_type), hid ? "HID" : "", 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2810 burst, maxp, deq); 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2811 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2812 ret += sprintf(str + ret, "avg trb len %d", avg); 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2813 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2814 return str; 19a7d0d65c4a81 Felipe Balbi 2017-04-07 2815 } a37c3f76e6a6b5 Felipe Balbi 2017-01-23 2816 :::::: The code at line 2801 was first introduced by commit :::::: 19a7d0d65c4a813069f4bc4ca701d6a163c337e9 usb: host: xhci: add Slot and EP Context tracers :::::: TO: Felipe Balbi <felipe.balbi@linux.intel.com> :::::: CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki