ODEBUG: object df801d04 is NOT on stack df934000, but annotated. ------------[ cut here ]------------ WARNING: lib/debugobjects.c:672 at debug_object_is_on_stack lib/debugobjects.c:672 [inline], CPU#0: kworker/u8:3/52 WARNING: lib/debugobjects.c:672 at lookup_object_or_alloc.part.0+0x180/0x1ec lib/debugobjects.c:705, CPU#0: kworker/u8:3/52 Modules linked in: Kernel panic - not syncing: kernel: panic_on_warn set ... CPU: 0 UID: 0 PID: 52 Comm: kworker/u8:3 Tainted: G L syzkaller #0 PREEMPT Tainted: [L]=SOFTLOCKUP Hardware name: ARM-Versatile Express Workqueue: events_unbound call_usermodehelper_exec_work Call trace: frame pointer underflow [<80201a08>] (dump_backtrace) from [<80201afc>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:8321c4bc r6:00000000 r5:82329988 r4:00000001 [<80201ae4>] (show_stack) from [<8021e88c>] (__dump_stack lib/dump_stack.c:94 [inline]) [<80201ae4>] (show_stack) from [<8021e88c>] (dump_stack_lvl+0x5c/0x70 lib/dump_stack.c:120) [<8021e830>] (dump_stack_lvl) from [<8021e8b8>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r7:8321c4bc r6:00000000 r5:84071900 r4:83483d7c [<8021e8a0>] (dump_stack) from [<802026b8>] (vpanic+0x114/0x320 kernel/panic.c:651) [<802025a4>] (vpanic) from [<802028f8>] (trace_suspend_resume+0x0/0x100 kernel/panic.c:788) r7:80996194 [<802028c4>] (panic) from [<80251b98>] (check_panic_on_warn kernel/panic.c:525 [inline]) [<802028c4>] (panic) from [<80251b98>] (get_taint+0x0/0x1c kernel/panic.c:520) r3:8320b188 r2:00000001 r1:8230f3b4 r0:82316d38 [<80251b20>] (check_panic_on_warn) from [<80251d14>] (__warn+0x98/0x1a4 kernel/panic.c:1104) [<80251c7c>] (__warn) from [<80251f98>] (warn_slowpath_fmt+0x178/0x1f4 kernel/panic.c:1136) r8:00000009 r7:8238cc74 r6:df801c1c r5:84071900 r4:00000000 [<80251e24>] (warn_slowpath_fmt) from [<80996194>] (debug_object_is_on_stack lib/debugobjects.c:672 [inline]) [<80251e24>] (warn_slowpath_fmt) from [<80996194>] (lookup_object_or_alloc.part.0+0x180/0x1ec lib/debugobjects.c:705) r10:00000001 r9:81c04448 r8:df801d04 r7:00000000 r6:8350b3e8 r5:834fc8bc r4:86f19de0 [<80996014>] (lookup_object_or_alloc.part.0) from [<809967a4>] (lookup_object_or_alloc lib/debugobjects.c:682 [inline]) [<80996014>] (lookup_object_or_alloc.part.0) from [<809967a4>] (__debug_object_init+0x140/0x1d8 lib/debugobjects.c:798) r10:0000eaf0 r9:834fc8f8 r8:00000001 r7:81c04448 r6:20000113 r5:8350b3ec r4:df801d04 r3:00000001 [<80996664>] (__debug_object_init) from [<80996890>] (debug_object_init_on_stack lib/debugobjects.c:849 [inline]) [<80996664>] (__debug_object_init) from [<80996890>] (debug_object_init_on_stack+0x28/0x2c lib/debugobjects.c:844) r10:df801eb0 r9:0006c830 r8:00000101 r7:00000000 r6:dddcff80 r5:00000000 r4:83361778 [<80996868>] (debug_object_init_on_stack) from [<803021c8>] (init_rcu_head_on_stack+0x18/0x1c kernel/rcu/update.c:487) [<803021b0>] (init_rcu_head_on_stack) from [<80308074>] (__synchronize_srcu+0x8c/0x11c kernel/rcu/srcutree.c:1680) [<80307fe8>] (__synchronize_srcu) from [<803081a4>] (synchronize_srcu_expedited kernel/rcu/srcutree.c:1707 [inline]) [<80307fe8>] (__synchronize_srcu) from [<803081a4>] (synchronize_srcu+0x7c/0x150 kernel/rcu/srcutree.c:1763) r5:60000113 r4:83361778 [<80308128>] (synchronize_srcu) from [<80c2dcc8>] (wakeup_source_remove drivers/base/power/wakeup.c:201 [inline]) [<80308128>] (synchronize_srcu) from [<80c2dcc8>] (wakeup_source_unregister.part.0+0x64/0x1b4 drivers/base/power/wakeup.c:237) r7:00000000 r6:8700a640 r5:00000113 r4:86598d00 [<80c2dc64>] (wakeup_source_unregister.part.0) from [<80c2de30>] (wakeup_source_unregister+0x18/0x1c drivers/base/power/wakeup.c:236) r7:00000000 r6:8700a640 r5:838e9000 r4:838e9008 [<80c2de18>] (wakeup_source_unregister) from [<81338098>] (mmc_host_classdev_release+0x1c/0x58 drivers/mmc/core/host.c:69) [<8133807c>] (mmc_host_classdev_release) from [<80c0a394>] (device_release+0x40/0xb0 drivers/base/core.c:2640) r5:873c1f00 r4:838e9008 [<80c0a354>] (device_release) from [<81b91ad0>] (kobject_cleanup lib/kobject.c:689 [inline]) [<80c0a354>] (device_release) from [<81b91ad0>] (kobject_release lib/kobject.c:720 [inline]) [<80c0a354>] (device_release) from [<81b91ad0>] (kref_put include/linux/kref.h:65 [inline]) [<80c0a354>] (device_release) from [<81b91ad0>] (kobject_put+0xa0/0x258 lib/kobject.c:737) r5:81d5e268 r4:838e9008 [<81b91a30>] (kobject_put) from [<80c0a508>] (put_device+0x18/0x1c drivers/base/core.c:3884) r8:00000101 r7:81356884 r6:838e9000 r5:00000000 r4:838e9000 [<80c0a4f0>] (put_device) from [<813387fc>] (mmc_free_host+0x30/0x34 drivers/mmc/core/host.c:703) [<813387cc>] (mmc_free_host) from [<813569e4>] (vub300_delete drivers/mmc/host/vub300.c:379 [inline]) [<813387cc>] (mmc_free_host) from [<813569e4>] (kref_put include/linux/kref.h:65 [inline]) [<813387cc>] (mmc_free_host) from [<813569e4>] (vub300_inactivity_timer_expired drivers/mmc/host/vub300.c:747 [inline]) [<813387cc>] (mmc_free_host) from [<813569e4>] (vub300_inactivity_timer_expired+0x160/0x1b8 drivers/mmc/host/vub300.c:742) r5:00000000 r4:838e9aec [<81356884>] (vub300_inactivity_timer_expired) from [<80332b3c>] (call_timer_fn+0x30/0x268 kernel/time/timer.c:1748) r7:81356884 r6:84071900 r5:838e9aec r4:838e9aec [<80332b0c>] (call_timer_fn) from [<80333010>] (expire_timers kernel/time/timer.c:1799 [inline]) [<80332b0c>] (call_timer_fn) from [<80333010>] (__run_timers+0x29c/0x420 kernel/time/timer.c:2374) r10:df801eb0 r9:0006c830 r8:00000000 r7:81356884 r6:8320b194 r5:838e9aec r4:dddc7000 [<80332d74>] (__run_timers) from [<803331fc>] (__run_timer_base kernel/time/timer.c:2386 [inline]) [<80332d74>] (__run_timers) from [<803331fc>] (__run_timer_base kernel/time/timer.c:2378 [inline]) [<80332d74>] (__run_timers) from [<803331fc>] (run_timer_base+0x68/0x78 kernel/time/timer.c:2395) r10:84071900 r9:00000101 r8:00000004 r7:00000002 r6:00000001 r5:00000202 r4:dddc7000 [<80333194>] (run_timer_base) from [<80333228>] (run_timer_softirq+0x1c/0x34 kernel/time/timer.c:2405) r4:83203084 [<8033320c>] (run_timer_softirq) from [<8025b338>] (handle_softirqs+0x194/0x5c8 kernel/softirq.c:669) [<8025b1a4>] (handle_softirqs) from [<8025b914>] (__do_softirq kernel/softirq.c:703 [inline]) [<8025b1a4>] (handle_softirqs) from [<8025b914>] (invoke_softirq kernel/softirq.c:542 [inline]) [<8025b1a4>] (handle_softirqs) from [<8025b914>] (__irq_exit_rcu+0x15c/0x1e0 kernel/softirq.c:786) r10:8082635c r9:84071900 r8:00000000 r7:df935b48 r6:824e78bc r5:825220c0 r4:84071900 [<8025b7b8>] (__irq_exit_rcu) from [<8025bc5c>] (irq_exit+0x10/0x18 kernel/softirq.c:821) r5:825220c0 r4:830d70ec [<8025bc4c>] (irq_exit) from [<81bb71a4>] (generic_handle_arch_irq+0x7c/0x80 kernel/irq/handle.c:293) [<81bb7128>] (generic_handle_arch_irq) from [<81b86e08>] (call_with_stack+0x1c/0x20 arch/arm/lib/call_with_stack.S:40) r9:84071900 r8:000002da r7:df935b7c r6:ffffffff r5:60000113 r4:81bc4d2c [<81b86dec>] (call_with_stack) from [<80200bec>] (__irq_svc+0x8c/0xbc arch/arm/kernel/entry-armv.S:228) Exception stack(0xdf935b48 to 0xdf935b90) 5b40: 834f778c 60000113 84071900 00002e72 834f7c24 834f7c2c 5b60: 00000000 834f6f88 000002da 834f7c28 8082635c df935ba4 df935ba8 df935b98 5b80: 80826764 81bc4d2c 60000113 ffffffff [<81bc4d04>] (_raw_spin_unlock_irqrestore) from [<80826764>] (spin_unlock_irqrestore include/linux/spinlock.h:425 [inline]) [<81bc4d04>] (_raw_spin_unlock_irqrestore) from [<80826764>] (avc_reclaim_node security/selinux/avc.c:491 [inline]) [<81bc4d04>] (_raw_spin_unlock_irqrestore) from [<80826764>] (avc_alloc_node+0x198/0x1c8 security/selinux/avc.c:510) [<808265cc>] (avc_alloc_node) from [<80826860>] (avc_insert security/selinux/avc.c:622 [inline]) [<808265cc>] (avc_alloc_node) from [<80826860>] (avc_compute_av+0x78/0x278 security/selinux/avc.c:997) r10:df935cf0 r9:df935c48 r8:00000002 r7:00000001 r6:834f6c24 r5:00000001 r4:00000003 [<808267e8>] (avc_compute_av) from [<80826e80>] (avc_perm_nonode+0x60/0xc4 security/selinux/avc.c:1121) r10:843abe80 r9:00000002 r8:df935cf0 r7:df935c48 r6:00000001 r5:00000001 r4:00000001 [<80826e20>] (avc_perm_nonode) from [<80827d48>] (avc_has_perm_noaudit+0x1bc/0x1f4 security/selinux/avc.c:1167) r9:cc9e2d51 r8:00000002 r7:00000001 r6:00000001 r5:00000001 r4:df935cf0 [<80827b8c>] (avc_has_perm_noaudit) from [<80827ddc>] (avc_has_perm+0x5c/0xf4 security/selinux/avc.c:1202) r9:00000000 r8:00000002 r7:00800100 r6:00000001 r5:00000001 r4:00000001 [<80827d80>] (avc_has_perm) from [<8082dad0>] (selinux_task_alloc+0x68/0x70 security/selinux/hooks.c:4422) r9:00000000 r8:00000000 r7:00800100 r6:00000000 r5:843abe80 r4:00000001 [<8082da68>] (selinux_task_alloc) from [<8081a040>] (security_task_alloc+0xc0/0x224 security/security.c:2810) r4:00000000 [<80819f80>] (security_task_alloc) from [<8024eb84>] (copy_process+0x810/0x1e14 kernel/fork.c:2301) r7:84071900 r6:00000000 r5:df935e60 r4:00800100 [<8024e374>] (copy_process) from [<802502f4>] (kernel_clone+0xc4/0x440 kernel/fork.c:2785) r10:84071900 r9:02000000 r8:00000000 r7:00000000 r6:80271454 r5:df935e60 r4:00800100 [<80250230>] (kernel_clone) from [<802508b8>] (user_mode_thread+0x78/0x9c kernel/fork.c:2862) r10:83829a05 r9:02000000 r8:84071900 r7:83812a00 r6:80271454 r5:8700a540 r4:00000011 [<80250840>] (user_mode_thread) from [<802715ec>] (call_usermodehelper_exec_sync kernel/umh.c:130 [inline]) [<80250840>] (user_mode_thread) from [<802715ec>] (call_usermodehelper_exec_work+0x3c/0x98 kernel/umh.c:161) r6:83829a00 r5:8700a540 r4:8700a540 [<802715b0>] (call_usermodehelper_exec_work) from [<80277284>] (process_one_work+0x1f8/0x5cc kernel/workqueue.c:3396) r5:8700a540 r4:83b35380 [<8027708c>] (process_one_work) from [<80277fac>] (process_scheduled_works kernel/workqueue.c:3479 [inline]) [<8027708c>] (process_one_work) from [<80277fac>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3560) r10:00000000 r9:83b353b0 r8:84071900 r7:83203d80 r6:83812a20 r5:83812a00 r4:83b35380 [<80277e40>] (worker_thread) from [<80282a08>] (kthread+0x11c/0x154 kernel/kthread.c:436) r10:00000000 r9:df849e88 r8:83b35300 r7:83b35380 r6:80277e40 r5:84071900 r4:83b29fc0 [<802828ec>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf935fb0 to 0xdf935ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802828ec r4:83b29fc0 Rebooting in 86400 seconds..