ODEBUG: object df805d04 is NOT on stack df864000, but annotated. ------------[ cut here ]------------ WARNING: lib/debugobjects.c:672 at debug_object_is_on_stack lib/debugobjects.c:672 [inline], CPU#1: swapper/1/0 WARNING: lib/debugobjects.c:672 at lookup_object_or_alloc.part.0+0x180/0x1ec lib/debugobjects.c:705, CPU#1: swapper/1/0 Modules linked in: Kernel panic - not syncing: kernel: panic_on_warn set ... CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Tainted: G L syzkaller #0 PREEMPT Tainted: [L]=SOFTLOCKUP Hardware name: ARM-Versatile Express Call trace: frame pointer underflow [<80201a08>] (dump_backtrace) from [<80201afc>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:8321c4bc r6:00000000 r5:82328334 r4:00000001 [<80201ae4>] (show_stack) from [<8021e804>] (__dump_stack lib/dump_stack.c:94 [inline]) [<80201ae4>] (show_stack) from [<8021e804>] (dump_stack_lvl+0x5c/0x70 lib/dump_stack.c:120) [<8021e7a8>] (dump_stack_lvl) from [<8021e830>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r7:8321c4bc r6:00000000 r5:8398e400 r4:83483d7c [<8021e818>] (dump_stack) from [<802026b8>] (vpanic+0x114/0x320 kernel/panic.c:651) [<802025a4>] (vpanic) from [<802028f8>] (trace_suspend_resume+0x0/0x100 kernel/panic.c:788) r7:8098e454 [<802028c4>] (panic) from [<80251bdc>] (check_panic_on_warn kernel/panic.c:525 [inline]) [<802028c4>] (panic) from [<80251bdc>] (get_taint+0x0/0x1c kernel/panic.c:520) r3:8320b188 r2:00000001 r1:8230dea4 r0:82315828 [<80251b64>] (check_panic_on_warn) from [<80251d58>] (__warn+0x98/0x1a4 kernel/panic.c:1104) [<80251cc0>] (__warn) from [<80251fdc>] (warn_slowpath_fmt+0x178/0x1f4 kernel/panic.c:1136) r8:00000009 r7:8238b378 r6:df805c1c r5:8398e400 r4:00000000 [<80251e68>] (warn_slowpath_fmt) from [<8098e454>] (debug_object_is_on_stack lib/debugobjects.c:672 [inline]) [<80251e68>] (warn_slowpath_fmt) from [<8098e454>] (lookup_object_or_alloc.part.0+0x180/0x1ec lib/debugobjects.c:705) r10:00000001 r9:81c04448 r8:df805d04 r7:00000000 r6:8351c080 r5:834fc714 r4:86e0c4b0 [<8098e2d4>] (lookup_object_or_alloc.part.0) from [<8098ea64>] (lookup_object_or_alloc lib/debugobjects.c:682 [inline]) [<8098e2d4>] (lookup_object_or_alloc.part.0) from [<8098ea64>] (__debug_object_init+0x140/0x1d8 lib/debugobjects.c:798) r10:0001f930 r9:834fc750 r8:00000001 r7:81c04448 r6:20000113 r5:8351c084 r4:df805d04 r3:00000001 [<8098e924>] (__debug_object_init) from [<8098eb50>] (debug_object_init_on_stack lib/debugobjects.c:849 [inline]) [<8098e924>] (__debug_object_init) from [<8098eb50>] (debug_object_init_on_stack+0x28/0x2c lib/debugobjects.c:844) r10:df805eb0 r9:ffffd628 r8:00000101 r7:00000000 r6:ddde3f80 r5:833617b8 r4:00000000 [<8098eb28>] (debug_object_init_on_stack) from [<8030184c>] (init_rcu_head_on_stack+0x18/0x1c kernel/rcu/update.c:487) [<80301834>] (init_rcu_head_on_stack) from [<80305830>] (__synchronize_srcu+0x7c/0xcc kernel/rcu/srcutree.c:1475) [<803057b4>] (__synchronize_srcu) from [<8030591c>] (synchronize_srcu_expedited kernel/rcu/srcutree.c:1502 [inline]) [<803057b4>] (__synchronize_srcu) from [<8030591c>] (synchronize_srcu+0x78/0x14c kernel/rcu/srcutree.c:1558) r5:60000113 r4:833617b8 [<803058a4>] (synchronize_srcu) from [<80c25a80>] (wakeup_source_remove drivers/base/power/wakeup.c:201 [inline]) [<803058a4>] (synchronize_srcu) from [<80c25a80>] (wakeup_source_unregister.part.0+0x64/0x1b4 drivers/base/power/wakeup.c:237) r7:00000000 r6:86e83b80 r5:00000113 r4:86db7e80 [<80c25a1c>] (wakeup_source_unregister.part.0) from [<80c25be8>] (wakeup_source_unregister+0x18/0x1c drivers/base/power/wakeup.c:236) r7:00000000 r6:86e83b80 r5:869f2000 r4:869f2008 [<80c25bd0>] (wakeup_source_unregister) from [<8132fb08>] (mmc_host_classdev_release+0x1c/0x58 drivers/mmc/core/host.c:69) [<8132faec>] (mmc_host_classdev_release) from [<80c0238c>] (device_release+0x40/0xb0 drivers/base/core.c:2640) r5:86edd780 r4:869f2008 [<80c0234c>] (device_release) from [<81b88910>] (kobject_cleanup lib/kobject.c:689 [inline]) [<80c0234c>] (device_release) from [<81b88910>] (kobject_release lib/kobject.c:720 [inline]) [<80c0234c>] (device_release) from [<81b88910>] (kref_put include/linux/kref.h:65 [inline]) [<80c0234c>] (device_release) from [<81b88910>] (kobject_put+0xa0/0x258 lib/kobject.c:737) r5:81d5e160 r4:869f2008 [<81b88870>] (kobject_put) from [<80c02500>] (put_device+0x18/0x1c drivers/base/core.c:3884) r8:00000101 r7:8134e2f4 r6:869f2000 r5:00000000 r4:869f2000 [<80c024e8>] (put_device) from [<8133026c>] (mmc_free_host+0x30/0x34 drivers/mmc/core/host.c:703) [<8133023c>] (mmc_free_host) from [<8134e454>] (vub300_delete drivers/mmc/host/vub300.c:379 [inline]) [<8133023c>] (mmc_free_host) from [<8134e454>] (kref_put include/linux/kref.h:65 [inline]) [<8133023c>] (mmc_free_host) from [<8134e454>] (vub300_inactivity_timer_expired drivers/mmc/host/vub300.c:747 [inline]) [<8133023c>] (mmc_free_host) from [<8134e454>] (vub300_inactivity_timer_expired+0x160/0x1b8 drivers/mmc/host/vub300.c:742) r5:00000000 r4:869f2aec [<8134e2f4>] (vub300_inactivity_timer_expired) from [<803311c8>] (call_timer_fn+0x30/0x268 kernel/time/timer.c:1748) r7:8134e2f4 r6:8398e400 r5:869f2aec r4:869f2aec [<80331198>] (call_timer_fn) from [<8033169c>] (expire_timers kernel/time/timer.c:1799 [inline]) [<80331198>] (call_timer_fn) from [<8033169c>] (__run_timers+0x29c/0x420 kernel/time/timer.c:2374) r10:df805eb0 r9:ffffd628 r8:00000000 r7:8134e2f4 r6:8320b194 r5:869f2aec r4:ddddb000 [<80331400>] (__run_timers) from [<80331888>] (__run_timer_base kernel/time/timer.c:2386 [inline]) [<80331400>] (__run_timers) from [<80331888>] (__run_timer_base kernel/time/timer.c:2378 [inline]) [<80331400>] (__run_timers) from [<80331888>] (run_timer_base+0x68/0x78 kernel/time/timer.c:2395) r10:8398e400 r9:00000082 r8:00000101 r7:00000004 r6:00000002 r5:00000001 r4:ddddb000 [<80331820>] (run_timer_base) from [<803318b4>] (run_timer_softirq+0x1c/0x34 kernel/time/timer.c:2405) r4:83203084 [<80331898>] (run_timer_softirq) from [<8025b344>] (handle_softirqs+0x160/0x4e8 kernel/softirq.c:645) [<8025b1e4>] (handle_softirqs) from [<8025b868>] (__do_softirq kernel/softirq.c:679 [inline]) [<8025b1e4>] (handle_softirqs) from [<8025b868>] (invoke_softirq kernel/softirq.c:519 [inline]) [<8025b1e4>] (handle_softirqs) from [<8025b868>] (__irq_exit_rcu+0x150/0x1d4 kernel/softirq.c:758) r10:824e5f68 r9:8398e400 r8:00000000 r7:df865f18 r6:824e5f68 r5:8252076c r4:8398e400 [<8025b718>] (__irq_exit_rcu) from [<8025bbb0>] (irq_exit+0x10/0x18 kernel/softirq.c:787) r5:8252076c r4:830d70ec [<8025bba0>] (irq_exit) from [<81bb0c1c>] (generic_handle_arch_irq+0x7c/0x80 kernel/irq/handle.c:293) [<81bb0ba0>] (generic_handle_arch_irq) from [<81b7dc38>] (call_with_stack+0x1c/0x20 arch/arm/lib/call_with_stack.S:40) r9:8398e400 r8:00000000 r7:df865f4c r6:ffffffff r5:20000013 r4:81bb2490 [<81b7dc1c>] (call_with_stack) from [<80200bec>] (__irq_svc+0x8c/0xbc arch/arm/kernel/entry-armv.S:228) Exception stack(0xdf865f18 to 0xdf865f60) 5f00: 00000001 82328334 5f20: 000a917c 00000001 8398e400 00000001 00000000 830d62f0 00000000 8320b20c 5f40: 824e5f68 df865f84 df865f58 df865f68 81bb18c0 81bb2490 20000013 ffffffff [<81bb2444>] (default_idle_call) from [<802b8a60>] (cpuidle_idle_call kernel/sched/idle.c:199 [inline]) [<81bb2444>] (default_idle_call) from [<802b8a60>] (do_idle+0x240/0x3c0 kernel/sched/idle.c:355) r7:830d62f0 r6:00000000 r5:8320b1e8 r4:8398e400 [<802b8820>] (do_idle) from [<802b8ef0>] (cpu_startup_entry+0x30/0x34 kernel/sched/idle.c:454) r10:00000000 r9:414fc0f0 r8:80003000 r7:834834e4 r6:30c0387d r5:00000001 r4:0000008f [<802b8ec0>] (cpu_startup_entry) from [<8022fc34>] (secondary_start_kernel+0x12c/0x198 arch/arm/kernel/smp.c:478) [<8022fb08>] (secondary_start_kernel) from [<80220094>] (__enable_mmu+0x0/0xc arch/arm/kernel/head.S:446) r5:00000000 r4:838fd140 Rebooting in 86400 seconds..