[ 15.728849][ T84] (udev-worker) (84) used greatest stack depth: 24320 bytes left [ 15.728867][ T84] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 15.728869][ T84] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 84, name: (udev-worker) [ 15.728871][ T84] preempt_count: 2, expected: 0 [ 15.728872][ T84] RCU nest depth: 0, expected: 0 [ 15.728873][ T84] INFO: lockdep is turned off. [ 15.728874][ T84] irq event stamp: 529256 [ 15.728875][ T84] hardirqs last enabled at (529255): [] _raw_spin_unlock_irq+0x28/0x50 [ 15.728884][ T84] hardirqs last disabled at (529256): [] __schedule+0x1246/0x20e0 [ 15.728886][ T84] softirqs last enabled at (529192): [] unix_release_sock+0x446/0xe50 [ 15.728889][ T84] softirqs last disabled at (529190): [] unix_release_sock+0x39f/0xe50 [ 15.728892][ T84] Preemption disabled at: [ 15.728892][ T84] [<0000000000000000>] 0x0 [ 15.728899][ T84] CPU: 1 UID: 0 PID: 84 Comm: (udev-worker) Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 15.728902][ T84] Tainted: [W]=WARN [ 15.728903][ T84] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.728904][ T84] Call Trace: [ 15.728906][ T84] [ 15.728907][ T84] dump_stack_lvl+0x6f/0xa0 [ 15.728913][ T84] __might_resched.cold+0x1fe/0x2c1 [ 15.728917][ T84] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 15.728921][ T84] ? rcu_is_watching+0x16/0xd0 [ 15.728925][ T84] __kmalloc_noprof+0x443/0x760 [ 15.728928][ T84] ? __rwlock_init+0x150/0x150 [ 15.728930][ T84] ? alloc_buf.isra.0+0x4b/0x260 [ 15.728934][ T84] ? do_raw_spin_unlock+0x59/0x250 [ 15.728936][ T84] alloc_buf.isra.0+0x4b/0x260 [ 15.728937][ T84] put_chars+0x1e1/0x2f0 [ 15.728939][ T84] ? __send_to_port+0x420/0x420 [ 15.728941][ T84] ? printk_get_next_message+0x2fe/0x7d0 [ 15.728943][ T84] ? console_prepend_replay+0x20/0x20 [ 15.728945][ T84] ? desc_read+0x219/0x2f0 [ 15.728947][ T84] hvc_console_print+0x292/0x780 [ 15.728951][ T84] ? hvc_write+0x3a0/0x3a0 [ 15.728952][ T84] ? __rwlock_init+0x150/0x150 [ 15.728953][ T84] ? rcu_is_watching+0x16/0xd0 [ 15.728955][ T84] ? rcu_is_watching+0x16/0xd0 [ 15.728956][ T84] ? lock_acquire+0x13c/0x160 [ 15.728958][ T84] console_emit_next_record+0x252/0x4f0 [ 15.728960][ T84] ? devkmsg_read+0x4e0/0x4e0 [ 15.728961][ T84] ? _prb_read_valid+0x6e0/0x6e0 [ 15.728963][ T84] ? __asan_memmove+0x3c/0x60 [ 15.728966][ T84] ? rcu_is_watching+0x16/0xd0 [ 15.728968][ T84] ? rcu_is_watching+0x16/0xd0 [ 15.728969][ T84] ? rcu_is_watching+0x16/0xd0 [ 15.728970][ T84] ? lock_acquire+0x13c/0x160 [ 15.728972][ T84] ? console_flush_one_record+0x111/0x710 [ 15.728973][ T84] console_flush_one_record+0x46f/0x710 [ 15.728975][ T84] ? console_emit_next_record+0x4f0/0x4f0 [ 15.728978][ T84] console_unlock+0xee/0x1f0 [ 15.728979][ T84] ? lock_acquire+0x13c/0x160 [ 15.728980][ T84] ? console_flush_one_record+0x710/0x710 [ 15.728982][ T84] ? rcu_is_watching+0x16/0xd0 [ 15.728983][ T84] ? lock_release+0x184/0x1f0 [ 15.728984][ T84] ? lock_acquire+0x60/0x160 [ 15.728985][ T84] ? sync_exp_reset_tree_hotplug+0x3a0/0x3f0 [ 15.728987][ T84] ? __down_trylock_console_sem+0x5e/0xa0 [ 15.728988][ T84] ? vprintk_emit+0x320/0x3e0 [ 15.728990][ T84] vprintk_emit+0x37c/0x3e0 [ 15.728992][ T84] ? wake_up_klogd_work_func+0x90/0x90 [ 15.728994][ T84] ? do_raw_read_unlock+0x70/0x70 [ 15.728995][ T84] ? forget_original_parent+0x5c/0xdb0 [ 15.728999][ T84] _printk+0xc7/0x100 [ 15.729002][ T84] ? snapshot_read.cold+0x21/0x21 [ 15.729003][ T84] ? do_raw_spin_lock+0x131/0x280 [ 15.729005][ T84] ? do_raw_spin_lock+0x131/0x280 [ 15.729006][ T84] ? __rwlock_init+0x150/0x150 [ 15.729008][ T84] ? do_raw_spin_lock+0x131/0x280 [ 15.729009][ T84] do_exit.cold+0x82/0x9c [ 15.729012][ T84] ? vfs_read+0x3dd/0x7b0 [ 15.729014][ T84] ? exit_notify+0x890/0x890 [ 15.729016][ T84] ? posixtimer_sig_unignore.isra.0+0x5f0/0x5f0 [ 15.729019][ T84] ? rcu_is_watching+0x16/0xd0 [ 15.729021][ T84] do_group_exit+0xb8/0x370 [ 15.729023][ T84] __x64_sys_exit_group+0x3c/0x50 [ 15.729025][ T84] x64_sys_call+0x1567/0x1570 [ 15.729027][ T84] do_syscall_64+0xff/0x530 [ 15.729029][ T84] ? irq_exit_rcu+0x1a/0x30 [ 15.729032][ T84] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 15.729034][ T84] RIP: 0033:0x7f67546b61b8 [ 15.729036][ T84] Code: Unable to access opcode bytes at 0x7f67546b618e. [ 15.729038][ T84] RSP: 002b:00007ffdce533838 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 15.729041][ T84] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f67546b61b8 [ 15.729042][ T84] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 15.729043][ T84] RBP: 00007ffdce5339c0 R08: 0000560ab24b7358 R09: 0000000000000000 [ 15.729044][ T84] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 [ 15.729045][ T84] R13: 00007f6753f14050 R14: 00007f6754be7d9e R15: 0000560ab24ae6b0 [ 15.729047][ T84] [ 115.761487][ T111] su (111)