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[ 45.445246][ T194] The code is fine but needs lockdep annotation, or maybe [ 45.452244][ T194] you didn't initialize this object before use? [ 45.458370][ T194] turning off the locking correctness validator. [ 45.464586][ T194] CPU: 3 PID: 194 Comm: (udev-worker) Tainted: G S 6.10.0-rc3-00133-ga236f4d92e21 #1 [ 45.475322][ T194] Hardware name: HP HP Z238 Microtower Workstation/8183, BIOS N51 Ver. 01.63 10/05/2017 [ 45.484923][ T194] Call Trace: [ 45.488094][ T194] [ 45.490908][ T194] dump_stack_lvl (lib/dump_stack.c:118) [ 45.495297][ T194] register_lock_class (kernel/locking/lockdep.c:1290) [ 45.500377][ T194] ? lock_acquire (kernel/locking/lockdep.c:467 (discriminator 4) kernel/locking/lockdep.c:5756 (discriminator 4) kernel/locking/lockdep.c:5719 (discriminator 4)) [ 45.504938][ T194] ? intel_display_power_get (drivers/gpu/drm/i915/display/intel_display_power.c:504 drivers/gpu/drm/i915/display/intel_display_power.c:532) i915 [ 45.511333][ T194] ? __pfx_register_lock_class (kernel/locking/lockdep.c:1276) [ 45.516848][ T194] ? __pfx_lock_acquire (kernel/locking/lockdep.c:5722) [ 45.521748][ T194] ? lock_is_held_type (kernel/locking/lockdep.c:5495 (discriminator 1) kernel/locking/lockdep.c:5825 (discriminator 1)) [ 45.526654][ T194] ? find_held_lock (kernel/locking/lockdep.c:5244 (discriminator 1)) [ 45.531306][ T194] __lock_acquire (kernel/locking/lockdep.c:5015) [ 45.535870][ T194] ? trace_contention_end (include/trace/events/lock.h:122 (discriminator 2)) [ 45.541042][ T194] ? __mutex_lock (arch/x86/include/asm/preempt.h:94 (discriminator 1) kernel/locking/mutex.c:618 (discriminator 1) kernel/locking/mutex.c:752 (discriminator 1)) [ 45.545688][ T194] lock_acquire (kernel/locking/lockdep.c:467 (discriminator 4) kernel/locking/lockdep.c:5756 (discriminator 4) kernel/locking/lockdep.c:5719 (discriminator 4)) [ 45.550069][ T194] ? i915_pmu_gt_unparked (drivers/gpu/drm/i915/i915_pmu.c:336) i915 [ 45.556233][ T194] ? __pfx_lock_acquire (kernel/locking/lockdep.c:5722) [ 45.561162][ T194] ? __pfx___mutex_unlock_slowpath (kernel/locking/mutex.c:907) [ 45.567023][ T194] ? __pfx_intel_display_power_grab_async_put_ref (drivers/gpu/drm/i915/display/intel_display_power.c:471) i915 [ 45.575181][ T194] _raw_spin_lock_irq (include/linux/spinlock_api_smp.h:120 kernel/locking/spinlock.c:170) [ 45.579937][ T194] ? i915_pmu_gt_unparked (drivers/gpu/drm/i915/i915_pmu.c:336) i915 [ 45.586041][ T194] i915_pmu_gt_unparked (drivers/gpu/drm/i915/i915_pmu.c:336) i915 [ 45.591960][ T194] __gt_unpark (drivers/gpu/drm/i915/gt/intel_gt_pm.c:93) i915 [ 45.597075][ T194] __intel_wakeref_get_first (drivers/gpu/drm/i915/intel_wakeref.c:32) i915 [ 45.603498][ T194] intel_gt_resume (drivers/gpu/drm/i915/gt/intel_gt_pm.c:259) i915 [ 45.609021][ T194] ? __pfx_intel_execlists_submission_setup (drivers/gpu/drm/i915/gt/intel_execlists_submission.c:3541) i915 [ 45.616560][ T194] intel_gt_init (drivers/gpu/drm/i915/gt/intel_gt.c:740) i915 [ 45.621888][ T194] i915_gem_init (drivers/gpu/drm/i915/i915_gem.c:1193) i915 [ 45.627261][ T194] i915_driver_probe (drivers/gpu/drm/i915/i915_driver.c:798) i915 [ 45.632922][ T194] ? __pfx_i915_driver_probe (drivers/gpu/drm/i915/i915_driver.c:750) i915 [ 45.639091][ T194] ? drm_privacy_screen_get (drivers/gpu/drm/drm_privacy_screen.c:168) drm [ 45.645110][ T194] ? intel_display_driver_probe_defer (drivers/gpu/drm/i915/display/intel_display_driver.c:81) i915 [ 45.652258][ T194] ? i915_pci_probe (drivers/gpu/drm/i915/i915_pci.c:998 (discriminator 1)) i915 [ 45.657875][ T194] ? __pfx_i915_pci_probe (drivers/gpu/drm/i915/i915_pci.c:959) i915 [ 45.663785][ T194] local_pci_probe (drivers/pci/pci-driver.c:324) [ 45.668340][ T194] pci_call_probe (drivers/pci/pci-driver.c:392 (discriminator 1)) [ 45.672893][ T194] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 45.678141][ T194] ? __pfx_pci_call_probe (drivers/pci/pci-driver.c:352) [ 45.683232][ T194] ? pci_match_device (drivers/pci/pci-driver.c:159) [ 45.688169][ T194] ? pci_match_device (drivers/pci/pci-driver.c:159 (discriminator 1)) [ 45.693077][ T194] ? kernfs_put (arch/x86/include/asm/atomic.h:67 (discriminator 1) include/linux/atomic/atomic-arch-fallback.h:2278 (discriminator 1) include/linux/atomic/atomic-instrumented.h:1384 (discriminator 1) fs/kernfs/dir.c:557 (discriminator 1)) [ 45.697294][ T194] pci_device_probe (drivers/pci/pci-driver.c:452) [ 45.701942][ T194] ? pci_dma_configure (drivers/pci/pci-driver.c:1656) [ 45.706941][ T194] really_probe (drivers/base/dd.c:578 drivers/base/dd.c:656) [ 45.711328][ T194] __driver_probe_device (drivers/base/dd.c:798) [ 45.716492][ T194] driver_probe_device (drivers/base/dd.c:828) [ 45.721401][ T194] __driver_attach (drivers/base/dd.c:1215) [ 45.726051][ T194] ? __pfx___driver_attach (drivers/base/dd.c:1155) [ 45.731235][ T194] bus_for_each_dev (drivers/base/bus.c:367) [ 45.735991][ T194] ? lockdep_init_map_type (kernel/locking/lockdep.c:4892 (discriminator 1)) [ 45.741332][ T194] ? __pfx_bus_for_each_dev (drivers/base/bus.c:356) [ 45.746592][ T194] ? bus_add_driver (drivers/base/bus.c:672) [ 45.751332][ T194] bus_add_driver (drivers/base/bus.c:673) [ 45.755895][ T194] driver_register (drivers/base/driver.c:246) [ 45.760539][ T194] i915_init (drivers/gpu/drm/i915/i915_driver.c:1436) i915 [ 45.765494][ T194] ? __pfx_i915_init (drivers/gpu/drm/i915/i915_config.c:13) i915 [ 45.770985][ T194] do_one_initcall (init/main.c:1267) [ 45.775534][ T194] ? asm_sysvec_apic_timer_interrupt (arch/x86/include/asm/idtentry.h:702) [ 45.781568][ T194] ? __pfx_do_one_initcall (init/main.c:1258) [ 45.786741][ T194] ? kasan_unpoison (mm/kasan/shadow.c:156 mm/kasan/shadow.c:182) [ 45.791304][ T194] do_init_module (kernel/module/main.c:2541) [ 45.795868][ T194] init_module_from_file (kernel/module/main.c:3173) [ 45.800951][ T194] ? __pfx_init_module_from_file (kernel/module/main.c:3149) [ 45.806647][ T194] ? __lock_release+0x103/0x440 [ 45.811991][ T194] ? idempotent_init_module (kernel/module/main.c:3119 kernel/module/main.c:3184) [ 45.817423][ T194] ? idempotent_init_module (kernel/module/main.c:3119 kernel/module/main.c:3184) [ 45.822857][ T194] ? do_raw_spin_unlock (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/atomic/atomic-instrumented.h:33 include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 45.827853][ T194] idempotent_init_module (kernel/module/main.c:3190) [ 45.833104][ T194] ? __pfx_idempotent_init_module (kernel/module/main.c:3177) [ 45.838879][ T194] ? __seccomp_filter (arch/x86/include/asm/bitops.h:227 arch/x86/include/asm/bitops.h:239 include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/seccomp.c:359 kernel/seccomp.c:386 kernel/seccomp.c:418 kernel/seccomp.c:1222) [ 45.843791][ T194] ? security_capable (security/security.c:1036 (discriminator 13)) [ 45.848531][ T194] __x64_sys_finit_module (include/linux/file.h:47 kernel/module/main.c:3212 kernel/module/main.c:3194 kernel/module/main.c:3194) [ 45.853704][ T194] do_syscall_64 (arch/x86/entry/common.c:52 (discriminator 1) arch/x86/entry/common.c:83 (discriminator 1)) [ 45.858092][ T194] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 45.863871][ T194] RIP: 0033:0x7f5179545719 [ 45.868164][ T194] Code: 08 89 e8 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d b7 06 0d 00 f7 d8 64 89 01 48 All code ======== 0: 08 89 e8 5b 5d c3 or %cl,-0x3ca2a418(%rcx) 6: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1) d: 00 00 00 10: 90 nop 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 retq 33: 48 8b 0d b7 06 0d 00 mov 0xd06b7(%rip),%rcx # 0xd06f1 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 retq 9: 48 8b 0d b7 06 0d 00 mov 0xd06b7(%rip),%rcx # 0xd06c7 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240805/202408051423.839b16eb-oliver.sang@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki