Hi Baoquan, First bad commit (maybe != root cause): tree: https://github.com/davidhildenbrand/linux fork_rmap_batching_mm_unstable head: b652ec55c236cca5d0247cf66864971cc2ffea2d commit: 21b8f7d4d9d70fec7ff6bbd973e485fa1226b156 [104/141] crash: remove dependency of FA_DUMP on CRASH_DUMP compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240129/202401292018.RTtZWk0P-lkp@xxxxxxxxx/reproduce) 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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202401292018.RTtZWk0P-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): kernel/irq/irqdomain.c:1052: warning: Function parameter or struct member 'out_type' not described in 'irq_domain_translate_onecell' kernel/irq/irqdomain.c:1073: warning: Function parameter or struct member 'd' not described in 'irq_domain_translate_twocell' kernel/irq/irqdomain.c:1073: warning: Function parameter or struct member 'fwspec' not described in 'irq_domain_translate_twocell' kernel/irq/irqdomain.c:1073: warning: Function parameter or struct member 'out_hwirq' not described in 'irq_domain_translate_twocell' kernel/irq/irqdomain.c:1073: warning: Function parameter or struct member 'out_type' not described in 'irq_domain_translate_twocell' net/8021q/vlan.c: In function 'register_vlan_device': net/8021q/vlan.c:247:46: warning: '%i' directive output may be truncated writing between 1 and 4 bytes into a region of size between 0 and 15 [-Wformat-truncation=] 247 | snprintf(name, IFNAMSIZ, "%s.%i", real_dev->name, vlan_id); | ^~ net/8021q/vlan.c:247:42: note: directive argument in the range [0, 4094] 247 | snprintf(name, IFNAMSIZ, "%s.%i", real_dev->name, vlan_id); | ^~~~~~~ net/8021q/vlan.c:247:17: note: 'snprintf' output between 3 and 21 bytes into a destination of size 16 247 | snprintf(name, IFNAMSIZ, "%s.%i", real_dev->name, vlan_id); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ net/8021q/vlan.c:235:46: warning: '%.4i' directive output may be truncated writing 4 bytes into a region of size between 0 and 15 [-Wformat-truncation=] 235 | snprintf(name, IFNAMSIZ, "%s.%.4i", real_dev->name, vlan_id); | ^~~~ net/8021q/vlan.c:235:42: note: directive argument in the range [0, 4094] 235 | snprintf(name, IFNAMSIZ, "%s.%.4i", real_dev->name, vlan_id); | ^~~~~~~~~ net/8021q/vlan.c:235:17: note: 'snprintf' output between 6 and 21 bytes into a destination of size 16 235 | snprintf(name, IFNAMSIZ, "%s.%.4i", real_dev->name, vlan_id); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ net/9p/trans_fd.c:133: warning: Excess struct member 'req' description in 'p9_conn' arch/x86/kernel/apic/apic.c:2170: warning: Function parameter or struct member 'spurious_interrupt' not described in 'DEFINE_IDTENTRY_IRQ' arch/x86/kernel/apic/apic.c:2170: warning: expecting prototype for spurious_interrupt(). Prototype was for DEFINE_IDTENTRY_IRQ() instead kernel/time/hrtimer.c:120:35: warning: initialized field overwritten [-Woverride-init] 120 | [CLOCK_REALTIME] = HRTIMER_BASE_REALTIME, | ^~~~~~~~~~~~~~~~~~~~~ kernel/time/hrtimer.c:120:35: note: (near initialization for 'hrtimer_clock_to_base_table[0]') kernel/time/hrtimer.c:121:35: warning: initialized field overwritten [-Woverride-init] 121 | [CLOCK_MONOTONIC] = HRTIMER_BASE_MONOTONIC, | ^~~~~~~~~~~~~~~~~~~~~~ kernel/time/hrtimer.c:121:35: note: (near initialization for 'hrtimer_clock_to_base_table[1]') kernel/time/hrtimer.c:122:35: warning: initialized field overwritten [-Woverride-init] 122 | [CLOCK_BOOTTIME] = HRTIMER_BASE_BOOTTIME, | ^~~~~~~~~~~~~~~~~~~~~ kernel/time/hrtimer.c:122:35: note: (near initialization for 'hrtimer_clock_to_base_table[7]') kernel/time/hrtimer.c:123:35: warning: initialized field overwritten [-Woverride-init] 123 | [CLOCK_TAI] = HRTIMER_BASE_TAI, | ^~~~~~~~~~~~~~~~ kernel/time/hrtimer.c:123:35: note: (near initialization for 'hrtimer_clock_to_base_table[11]') kernel/time/hrtimer.c: In function '__run_hrtimer': kernel/time/hrtimer.c:1651:14: warning: variable 'expires_in_hardirq' set but not used [-Wunused-but-set-variable] 1651 | bool expires_in_hardirq; | ^~~~~~~~~~~~~~~~~~ kernel/time/timekeeping.c:2423: warning: Function parameter or struct member 'txc' not described in 'do_adjtimex' kernel/time/timekeeping.c:2491: warning: Function parameter or struct member 'phase_ts' not described in 'hardpps' kernel/time/timekeeping.c:2491: warning: Function parameter or struct member 'raw_ts' not described in 'hardpps' drivers/dma-buf/dma-heap.c:44: warning: Function parameter or struct member 'priv' not described in 'dma_heap' drivers/dma-buf/dma-heap.c:44: warning: Function parameter or struct member 'heap_devt' not described in 'dma_heap' drivers/dma-buf/dma-heap.c:44: warning: Function parameter or struct member 'list' not described in 'dma_heap' drivers/dma-buf/dma-heap.c:44: warning: Function parameter or struct member 'heap_cdev' not described in 'dma_heap' drivers/base/power/runtime.c:363: warning: Excess function parameter 'dev' description in '__rpm_callback' fs/proc/proc_net.c:161: warning: Function parameter or struct member 'state_size' not described in 'proc_create_net_data_write' In file included from include/asm-generic/bug.h:22, from arch/x86/include/asm/bug.h:87, from include/linux/bug.h:5, from include/linux/thread_info.h:13, from include/linux/spinlock.h:60, from include/linux/wait.h:9, from include/linux/wait_bit.h:8, from include/linux/fs.h:6, from include/linux/highmem.h:5, from include/linux/bvec.h:10, from include/linux/blk_types.h:10, from include/linux/blkdev.h:9, from drivers/scsi/scsi_devinfo.c:3: drivers/scsi/scsi_devinfo.c: In function 'scsi_dev_info_list_add_str': include/linux/kern_levels.h:5:25: warning: '%s' directive argument is null [-Wformat-overflow=] 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ | ^~~~~~ include/linux/printk.h:427:25: note: in definition of macro 'printk_index_wrap' 427 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~ drivers/scsi/scsi_devinfo.c:554:25: note: in expansion of macro 'printk' 554 | printk(KERN_ERR "%s: bad dev info string '%s' '%s'" | ^~~~~~ include/linux/kern_levels.h:11:25: note: in expansion of macro 'KERN_SOH' 11 | #define KERN_ERR KERN_SOH "3" /* error conditions */ | ^~~~~~~~ drivers/scsi/scsi_devinfo.c:554:32: note: in expansion of macro 'KERN_ERR' 554 | printk(KERN_ERR "%s: bad dev info string '%s' '%s'" | ^~~~~~~~ kernel/time/tick-oneshot.c:24: warning: Function parameter or struct member 'expires' not described in 'tick_program_event' kernel/time/tick-oneshot.c:24: warning: Function parameter or struct member 'force' not described in 'tick_program_event' kernel/time/tick-oneshot.c:64: warning: Function parameter or struct member 'newdev' not described in 'tick_setup_oneshot' kernel/time/tick-oneshot.c:64: warning: Function parameter or struct member 'handler' not described in 'tick_setup_oneshot' kernel/time/tick-oneshot.c:64: warning: Function parameter or struct member 'next_event' not described in 'tick_setup_oneshot' kernel/time/tick-oneshot.c:74: warning: Function parameter or struct member 'handler' not described in 'tick_switch_to_oneshot' kernel/time/tick-broadcast.c:1026: warning: Function parameter or struct member 'bc' not described in 'tick_broadcast_setup_oneshot' kernel/time/tick-broadcast.c:1026: warning: Function parameter or struct member 'from_periodic' not described in 'tick_broadcast_setup_oneshot' drivers/firewire/init_ohci1394_dma.c:178: warning: Function parameter or struct member 'ohci' not described in 'init_ohci1394_wait_for_busresets' drivers/firewire/init_ohci1394_dma.c:196: warning: Function parameter or struct member 'ohci' not described in 'init_ohci1394_enable_physical_dma' drivers/firewire/init_ohci1394_dma.c:207: warning: Function parameter or struct member 'ohci' not described in 'init_ohci1394_reset_and_init_dma' drivers/firewire/init_ohci1394_dma.c:236: warning: Function parameter or struct member 'num' not described in 'init_ohci1394_controller' drivers/firewire/init_ohci1394_dma.c:236: warning: Function parameter or struct member 'slot' not described in 'init_ohci1394_controller' drivers/firewire/init_ohci1394_dma.c:236: warning: Function parameter or struct member 'func' not described in 'init_ohci1394_controller' drivers/firewire/init_ohci1394_dma.c:289: warning: Function parameter or struct member 'opt' not described in 'setup_ohci1394_dma' >> make[4]: *** No rule to make target 'kernel/elfcorehdr.o', needed by 'kernel/built-in.a'. kernel/time/tick-sched.c:650: warning: Function parameter or struct member 'now' not described in 'tick_nohz_update_jiffies' kernel/time/tick-sched.c:1285: warning: Function parameter or struct member 'cpu' not described in 'tick_nohz_get_idle_calls_cpu' drivers/base/module.c: In function 'module_add_driver': drivers/base/module.c:36:13: warning: variable 'no_warn' set but not used [-Wunused-but-set-variable] 36 | int no_warn; | ^~~~~~~ arch/x86/kernel/cpu/sgx/main.c:740: warning: Function parameter or struct member 'low' not described in 'sgx_calc_section_metric' arch/x86/kernel/cpu/sgx/main.c:740: warning: Function parameter or struct member 'high' not described in 'sgx_calc_section_metric' arch/x86/kernel/cpu/sgx/main.c:740: warning: expecting prototype for A section metric is concatenated in a way that @low bits 12(). Prototype was for sgx_calc_section_metric() instead In file included from drivers/net/usb/asix.h:28, from drivers/net/usb/ax88172a.c:15: drivers/net/usb/ax88172a.c: In function 'ax88172a_reset': include/linux/phy.h:300:20: warning: '%s' directive output may be truncated writing up to 60 bytes into a region of size 20 [-Wformat-truncation=] 300 | #define PHY_ID_FMT "%s:%02x" | ^~~~~~~~~ drivers/net/usb/ax88172a.c:311:38: note: in expansion of macro 'PHY_ID_FMT' 311 | snprintf(priv->phy_name, 20, PHY_ID_FMT, | ^~~~~~~~~~ include/linux/phy.h:300:21: note: format string is defined here 300 | #define PHY_ID_FMT "%s:%02x" | ^~ include/linux/phy.h:300:20: note: directive argument in the range [0, 65535] 300 | #define PHY_ID_FMT "%s:%02x" | ^~~~~~~~~ drivers/net/usb/ax88172a.c:311:38: note: in expansion of macro 'PHY_ID_FMT' 311 | snprintf(priv->phy_name, 20, PHY_ID_FMT, | ^~~~~~~~~~ drivers/net/usb/ax88172a.c:311:9: note: 'snprintf' output between 4 and 66 bytes into a destination of size 20 311 | snprintf(priv->phy_name, 20, PHY_ID_FMT, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 312 | priv->mdio->id, priv->phy_addr); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/usb/core/usb.c: In function 'usb_alloc_dev': drivers/usb/core/usb.c:706:37: warning: '%d' directive output may be truncated writing between 1 and 11 bytes into a region of size between 0 and 15 [-Wformat-truncation=] 706 | "%s.%d", parent->devpath, port1); | ^~ drivers/usb/core/usb.c:706:33: note: using the range [-2147483648, 2147483647] for directive argument 706 | "%s.%d", parent->devpath, port1); | ^~~~~~~ drivers/usb/core/usb.c:705:25: note: 'snprintf' output between 3 and 28 bytes into a destination of size 16 705 | snprintf(dev->devpath, sizeof dev->devpath, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 706 | "%s.%d", parent->devpath, port1); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/usb/core/hcd.c: In function 'rh_string': drivers/usb/core/hcd.c:443:48: warning: '%s' directive output may be truncated writing up to 64 bytes into a region of size between 35 and 99 [-Wformat-truncation=] 443 | snprintf (buf, sizeof buf, "%s %s %s", init_utsname()->sysname, | ^~ 444 | init_utsname()->release, hcd->driver->description); | ~~~~~~~~~~~~~~~~~~~~~~~ drivers/usb/core/hcd.c:443:17: note: 'snprintf' output 3 or more bytes (assuming 131) into a destination of size 100 443 | snprintf (buf, sizeof buf, "%s %s %s", init_utsname()->sysname, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 444 | init_utsname()->release, hcd->driver->description); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/audit.c: In function 'audit_log_vformat': kernel/audit.c:1979:9: warning: function 'audit_log_vformat' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format] 1979 | len = vsnprintf(skb_tail_pointer(skb), avail, fmt, args); | ^~~ kernel/audit.c:1988:17: warning: function 'audit_log_vformat' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format] 1988 | len = vsnprintf(skb_tail_pointer(skb), avail, fmt, args2); | ^~~ drivers/input/keyboard/atkbd.c: In function 'atkbd_set_device_attrs': drivers/input/keyboard/atkbd.c:1193:21: warning: '/input0' directive output may be truncated writing 7 bytes into a region of size between 1 and 32 [-Wformat-truncation=] 1193 | "%s/input0", atkbd->ps2dev.serio->phys); | ^~~~~~~ drivers/input/keyboard/atkbd.c:1192:9: note: 'snprintf' output between 8 and 39 bytes into a destination of size 32 1192 | snprintf(atkbd->phys, sizeof(atkbd->phys), | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1193 | "%s/input0", atkbd->ps2dev.serio->phys); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/input/mouse/psmouse-base.c: In function 'psmouse_connect': drivers/input/mouse/psmouse-base.c:1603:59: warning: '/input0' directive output may be truncated writing 7 bytes into a region of size between 1 and 32 [-Wformat-truncation=] 1603 | snprintf(psmouse->phys, sizeof(psmouse->phys), "%s/input0", serio->phys); | ^~~~~~~ drivers/input/mouse/psmouse-base.c:1603:9: note: 'snprintf' output between 8 and 39 bytes into a destination of size 32 1603 | snprintf(psmouse->phys, sizeof(psmouse->phys), "%s/input0", serio->phys); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/input/mouse/alps.c: In function 'alps_register_bare_ps2_mouse': drivers/input/mouse/alps.c:1419:56: warning: '%s' directive output may be truncated writing 6 bytes into a region of size between 0 and 31 [-Wformat-truncation=] 1419 | snprintf(priv->phys3, sizeof(priv->phys3), "%s/%s", | ^~ drivers/input/mouse/alps.c:1419:9: note: 'snprintf' output between 8 and 39 bytes into a destination of size 32 1419 | snprintf(priv->phys3, sizeof(priv->phys3), "%s/%s", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1420 | psmouse->ps2dev.serio->phys, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1421 | (priv->dev2 ? "input2" : "input1")); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/kprobes.c:145: warning: Function parameter or struct member 'c' not described in '__get_insn_slot' drivers/input/mouse/elantech.c: In function 'elantech_setup_ps2': drivers/input/mouse/elantech.c:2090:65: warning: '/input1' directive output may be truncated writing 7 bytes into a region of size between 1 and 32 [-Wformat-truncation=] 2090 | snprintf(etd->tp_phys, sizeof(etd->tp_phys), "%s/input1", | ^~~~~~~ drivers/input/mouse/elantech.c:2090:17: note: 'snprintf' output between 8 and 39 bytes into a destination of size 32 2090 | snprintf(etd->tp_phys, sizeof(etd->tp_phys), "%s/input1", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2091 | psmouse->ps2dev.serio->phys); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/relay.c: In function 'relay_create_buf_file': -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki