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X-CSE-ConnectionGUID: RI2co96HQrK//6NaUJ9NHg== X-CSE-MsgGUID: SaJWA5nfRaWDoQMWSmY4UQ== X-IronPort-AV: E=McAfee;i="6800,10657,11912"; a="101230203" X-IronPort-AV: E=Sophos;i="6.27,116,1787036400"; d="scan'208";a="101230203" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Sep 2026 00:23:11 -0700 X-CSE-ConnectionGUID: cH0olBJBTGy/6woawrGjpQ== X-CSE-MsgGUID: 5kYOOCXET7GNklhLXKQ4dg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,116,1787036400"; d="scan'208";a="300941614" Received: from ly-workstation.sh.intel.com (HELO ly-workstation) ([10.239.182.64]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Sep 2026 00:23:08 -0700 Date: Tue, 22 Sep 2026 15:23:00 +0800 From: kernel test robot To: Arnd Bergmann Cc: oe-lkp@lists.linux.dev, lkp@intel.com, linux-arm-kernel@lists.infradead.org, arm@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, brcm80211@lists.linux.dev, brcm80211-dev-list.pdl@broadcom.com, yi1.lai@intel.com Subject: [soc:board-remove-7.3] [net] 8d91a5ecce: EIP:kernfs_remove_by_name_ns Message-ID: <202609221423.71fce5fb-lkp@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hello, kernel test robot noticed "EIP:kernfs_remove_by_name_ns" on: commit: 8d91a5ecce11412c646ad1f1637334ef9546ea90 ("net: wireless: brcmfmac: remove platform data based probe") https://git.kernel.org/cgit/linux/kernel/git/soc/soc.git board-remove-7.3 in testcase: boot config: i386-randconfig-011-20260914 compiler: clang-22 test machine: qemu-system-i386 -enable-kvm -cpu SandyBridge -smp 4 -m 4G 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 | Closes: https://lore.kernel.org/oe-lkp/202609221423.71fce5fb-lkp@intel.com [ 5.486950][ T1] ------------[ cut here ]------------ [ 5.488426][ T1] kernfs: can not remove 'uevent', no directory [ 5.489919][ T1] WARNING: fs/kernfs/dir.c:1786 at kernfs_remove_by_name_ns+0x7b/0xc0, CPU#0: swapper/0/1 [ 5.492378][ T1] Modules linked in: [ 5.493281][ T1] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted 7.3.0-rc2-00073-g8d91a5ecce11 #1 PREEMPTLAZY [ 5.495837][ T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 5.498316][ T1] EIP: kernfs_remove_by_name_ns (kernfs/dir.c:1785) [ 5.499706][ T1] Code: 74 5a a8 03 75 5c ff 00 89 c1 89 c6 e8 5e f9 ff ff 89 f0 e8 d7 d8 ff ff 31 f6 eb 1c 53 68 30 84 07 c3 e8 08 1b d4 ff 83 c4 08 <0f> 0b be fe ff ff ff eb 14 be fe ff ff ff 89 f8 e8 70 da da ff 8b All code ======== 0: 74 5a je 0x5c 2: a8 03 test $0x3,%al 4: 75 5c jne 0x62 6: ff 00 incl (%rax) 8: 89 c1 mov %eax,%ecx a: 89 c6 mov %eax,%esi c: e8 5e f9 ff ff call 0xfffffffffffff96f 11: 89 f0 mov %esi,%eax 13: e8 d7 d8 ff ff call 0xffffffffffffd8ef 18: 31 f6 xor %esi,%esi 1a: eb 1c jmp 0x38 1c: 53 push %rbx 1d: 68 30 84 07 c3 push $0xffffffffc3078430 22: e8 08 1b d4 ff call 0xffffffffffd41b2f 27: 83 c4 08 add $0x8,%esp 2a:* 0f 0b ud2 <-- trapping instruction 2c: be fe ff ff ff mov $0xfffffffe,%esi 31: eb 14 jmp 0x47 33: be fe ff ff ff mov $0xfffffffe,%esi 38: 89 f8 mov %edi,%eax 3a: e8 70 da da ff call 0xffffffffffdadaaf 3f: 8b .byte 0x8b Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: be fe ff ff ff mov $0xfffffffe,%esi 7: eb 14 jmp 0x1d 9: be fe ff ff ff mov $0xfffffffe,%esi e: 89 f8 mov %edi,%eax 10: e8 70 da da ff call 0xffffffffffdada85 15: 8b .byte 0x8b [ 5.504411][ T1] EAX: 00000000 EBX: c3095d8c ECX: 00000000 EDX: 00000000 [ 5.506084][ T1] ESI: c35f2608 EDI: c01dd42c EBP: c0245c1c ESP: c0245c08 [ 5.507830][ T1] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 EFLAGS: 00010282 [ 5.509606][ T1] CR0: 80050033 CR2: ffd97000 CR3: 0386e000 CR4: 000406d0 [ 5.511412][ T1] Call Trace: [ 5.512419][ T1] driver_remove_file (sysfs/file.c:515 linux/sysfs.h:780 base/driver.c:126) [ 5.513635][ T1] bus_remove_driver (base/bus.c:830) [ 5.514785][ T1] driver_unregister (base/driver.c:202) [ 5.515927][ T1] brcmfmac_module_init (base/platform.c:1005 net/wireless/broadcom/brcm80211/brcmfmac/common.c:580) [ 5.517104][ T1] __initstub__kmod_brcmfmac__510_591_brcmfmac_module_init6 (net/wireless/broadcom/brcm80211/brcmfmac/common.c:591) [ 5.519013][ T1] do_one_initcall (main.c:1357) [ 5.520164][ T1] ? __initstub__kmod_ath6kl_sdio__508_1430_ath6kl_sdio_driver_init6 (usercopy_32.c:?) [ 5.522289][ T1] ? __lock_acquire (locking/lockdep.c:4718) [ 5.523491][ T1] ? __lock_acquire (locking/lockdep.c:4718) [ 5.525180][ T1] ? lock_acquire (locking/lockdep.c:5942) [ 5.526824][ T1] ? __lock_acquire (locking/lockdep.c:4718) [ 5.530956][ T1] ? __lock_acquire (locking/lockdep.c:4718) [ 5.532755][ T1] ? lock_acquire (locking/lockdep.c:5942) [ 5.534332][ T1] ? lock_acquire (locking/lockdep.c:5942) [ 5.536001][ T1] ? __this_cpu_preempt_check (smp_processor_id.c:64) [ 5.537894][ T1] ? __this_cpu_preempt_check (smp_processor_id.c:64) [ 5.539914][ T1] ? ktime_get (time/timekeeping.c:1002) [ 5.541408][ T1] ? ktime_get (time/timekeeping.c:1002) [ 5.542911][ T1] ? ktime_get (time/timekeeping.c:321 time/timekeeping.c:482 time/timekeeping.c:1004) [ 5.544554][ T1] ? clockevents_program_event (time/clockevents.c:372) [ 5.546602][ T1] ? irqentry_exit (linux/irq-entry-common.h:507) [ 5.548377][ T1] ? __this_cpu_preempt_check (smp_processor_id.c:64) [ 5.550315][ T1] ? lockdep_hardirqs_on (locking/lockdep.c:4516) [ 5.552128][ T1] ? irqentry_exit (linux/irq-entry-common.h:507) [ 5.553774][ T1] ? sysvec_apic_timer_interrupt (x86/kernel/apic/apic.c:1062) [ 5.559179][ T1] ? trace_hardirqs_on (trace/trace_preemptirq.c:79) [ 5.560942][ T1] ? vmware_sched_clock (vmware.c:?) [ 5.562784][ T1] ? irqentry_exit (linux/irq-entry-common.h:507) [ 5.564594][ T1] ? vmware_sched_clock (vmware.c:?) [ 5.566492][ T1] ? sysvec_apic_timer_interrupt (x86/kernel/apic/apic.c:1062) [ 5.568555][ T1] ? handle_exception (x86/entry/entry_32.S:1044) [ 5.570285][ T1] ? parameq (params.c:98) [ 5.571797][ T1] ? next_arg (cmdline.c:283) [ 5.573381][ T1] ? parameq (linux/fortify-string.h:218 params.c:99) [ 5.574711][ T1] ? parse_args (params.c:153) [ 5.579714][ T1] do_initcall_level (main.c:1419) [ 5.581382][ T1] do_initcalls (main.c:1435) [ 5.582841][ T1] ? rest_init (main.c:?) [ 5.584478][ T1] do_basic_setup (main.c:1455) [ 5.586016][ T1] kernel_init_freeable (main.c:1670) [ 5.587875][ T1] ? rest_init (main.c:?) [ 5.589472][ T1] kernel_init (main.c:1560) [ 5.590987][ T1] ret_from_fork (x86/kernel/process.c:158) [ 5.592643][ T1] ? rest_init (main.c:?) [ 5.594157][ T1] ret_from_fork_asm (x86/entry/entry_32.S:736) [ 5.595882][ T1] entry_INT80_32 (x86/entry/entry_32.S:940) [ 5.597546][ T1] irq event stamp: 90237 [ 5.598888][ T1] hardirqs last enabled at (90251): __console_unlock (printk/printk.c:347) [ 5.600980][ T1] hardirqs last disabled at (90266): __console_unlock (printk/printk.c:345) [ 5.603033][ T1] softirqs last enabled at (90070): __do_softirq (softirq.c:679) [ 5.604968][ T1] softirqs last disabled at (90061): __do_softirq (softirq.c:679) [ 5.606947][ T1] ---[ end trace 0000000000000000 ]--- The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20260922/202609221423.71fce5fb-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki