[ 11.350579][ T208] u32 classifier [ 11.350601][ T208] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.350605][ T208] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 208, name: modprobe [ 11.350607][ T208] preempt_count: 1, expected: 0 [ 11.350609][ T208] RCU nest depth: 0, expected: 0 [ 11.350610][ T208] locks held by modprobe/208: 4, last CPU#0: [ 11.350613][ T208] #0: ffffffff8c97ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.350629][ T208] #1: ffffffff8c97de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.350636][ T208] #2: ffffffff8c89d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.350642][ T208] #3: ffffffff8c89d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.350649][ T208] irq event stamp: 27044 [ 11.350650][ T208] hardirqs last enabled at (27043): [] __down_trylock_console_sem+0x86/0xa0 [ 11.350654][ T208] hardirqs last disabled at (27044): [] console_emit_next_record+0x3d4/0x4c0 [ 11.350657][ T208] softirqs last enabled at (25262): [] handle_softirqs+0x67c/0x900 [ 11.350662][ T208] softirqs last disabled at (25253): [] __irq_exit_rcu+0x145/0x1c0 [ 11.350665][ T208] Preemption disabled at: [ 11.350666][ T208] [] vprintk_emit+0x31b/0x3e0 [ 11.350673][ T208] CPU: 0 UID: 0 PID: 208 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.350677][ T208] Tainted: [W]=WARN [ 11.350678][ T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.350681][ T208] Call Trace: [ 11.350683][ T208] [ 11.350685][ T208] dump_stack_lvl+0x6f/0xa0 [ 11.350692][ T208] ? vprintk_emit+0x31b/0x3e0 [ 11.350695][ T208] __might_resched.cold+0x1fe/0x2c1 [ 11.350701][ T208] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.350706][ T208] ? __kmalloc_noprof+0xdb/0x760 [ 11.350713][ T208] __kmalloc_noprof+0x443/0x760 [ 11.350716][ T208] ? alloc_buf.isra.0+0x4b/0x260 [ 11.350726][ T208] ? do_raw_spin_unlock+0x59/0x250 [ 11.350729][ T208] alloc_buf.isra.0+0x4b/0x260 [ 11.350735][ T208] put_chars+0x1e1/0x2f0 [ 11.350739][ T208] ? __send_to_port+0x420/0x420 [ 11.350741][ T208] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.350747][ T208] ? validate_chain+0x38b/0xc20 [ 11.350756][ T208] hvc_console_print+0x292/0x780 [ 11.350768][ T208] ? hvc_write+0x3a0/0x3a0 [ 11.350771][ T208] ? rcu_is_watching+0x16/0xd0 [ 11.350775][ T208] ? lock_acquire+0x13c/0x160 [ 11.350781][ T208] console_emit_next_record+0x22f/0x4c0 [ 11.350788][ T208] ? devkmsg_read+0x4b0/0x4b0 [ 11.350791][ T208] ? console_flush_one_record+0x106/0x710 [ 11.350796][ T208] ? rcu_is_watching+0x16/0xd0 [ 11.350799][ T208] ? lock_acquire+0x13c/0x160 [ 11.350806][ T208] console_flush_one_record+0x46f/0x710 [ 11.350814][ T208] ? console_emit_next_record+0x4c0/0x4c0 [ 11.350816][ T208] ? __lock_acquire+0x518/0xc20 [ 11.350826][ T208] console_unlock+0xee/0x1f0 [ 11.350830][ T208] ? console_flush_one_record+0x710/0x710 [ 11.350833][ T208] ? rcu_is_watching+0x16/0xd0 [ 11.350836][ T208] ? lock_acquire+0xe0/0x160 [ 11.350843][ T208] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.350846][ T208] ? vprintk_emit+0x320/0x3e0 [ 11.350851][ T208] vprintk_emit+0x37c/0x3e0 [ 11.350857][ T208] ? wake_up_klogd_work_func+0x90/0x90 [ 11.350866][ T208] ? exit_u32+0x460/0x460 [cls_u32] [ 11.350872][ T208] _printk+0xc7/0x100 [ 11.350877][ T208] ? snapshot_read.cold+0x21/0x21 [ 11.350888][ T208] ? do_one_initcall+0x113/0x4f0 [ 11.350893][ T208] init_u32+0x1e/0x1000 [cls_u32] [ 11.350899][ T208] do_one_initcall+0x124/0x4f0 [ 11.350903][ T208] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 11.350911][ T208] ? do_init_module+0xae/0x8a0 [ 11.350915][ T208] ? kasan_unpoison+0x44/0x70 [ 11.350924][ T208] do_init_module+0x2ad/0x8a0 [ 11.350929][ T208] ? lockdep_hardirqs_on+0x91/0x130 [ 11.350935][ T208] ? free_module+0x470/0x470 [ 11.350939][ T208] ? kfree+0x123/0x590 [ 11.350946][ T208] load_module+0x1424/0x1bb0 [ 11.350956][ T208] ? security_kernel_post_read_file+0x2f/0x60 [ 11.350963][ T208] ? layout_and_allocate.isra.0+0x680/0x680 [ 11.350969][ T208] ? __ia32_sys_fsconfig+0x180/0x180 [ 11.350975][ T208] ? backing_file_read_iter+0x541/0x790 [ 11.350980][ T208] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.350986][ T208] init_module_from_file+0x11f/0x1a0 [ 11.350990][ T208] ? __do_sys_init_module+0x270/0x270 [ 11.351004][ T208] ? __rwlock_init+0x150/0x150 [ 11.351011][ T208] ? do_raw_spin_unlock+0x59/0x250 [ 11.351016][ T208] idempotent_init_module+0x37b/0x7c0 [ 11.351021][ T208] ? init_module_from_file+0x1a0/0x1a0 [ 11.351031][ T208] ? cap_capable+0x1d7/0x3d0 [ 11.351035][ T208] ? __x64_sys_pread64+0x18d/0x250 [ 11.351044][ T208] __x64_sys_finit_module+0xdf/0x190 [ 11.351046][ T208] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 11.351052][ T208] do_syscall_64+0xff/0x530 [ 11.351056][ T208] ? exc_page_fault+0xee/0x100 [ 11.351060][ T208] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.351063][ T208] RIP: 0033:0x7f47e546237d [ 11.351068][ T208] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 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 4b aa 0f 00 f7 d8 64 89 01 48 [ 11.351071][ T208] RSP: 002b:00007ffd7a2d5388 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 11.351074][ T208] RAX: ffffffffffffffda RBX: 000055fcd74b4810 RCX: 00007f47e546237d [ 11.351076][ T208] RDX: 0000000000000000 RSI: 000055fcac465ffd RDI: 0000000000000000 [ 11.351078][ T208] RBP: 00007ffd7a2d5420 R08: 0000000000000000 R09: 0000000000000000 [ 11.351079][ T208] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fcac465ffd [ 11.351081][ T208] R13: 000055fcd74b4950 R14: 0000000000040000 R15: 0000000000000000 [ 11.351094][ T208] [ 11.386301][ T208] input device check on [ 11.386616][ T208] Actions configured [ 11.437297][ T209] Mirror/redirect action on [ 11.452362][ T207] tc (207) used greatest stack depth: 23872 bytes left