[ 9.356788][ T134] netdev (134) used greatest stack depth: 24416 bytes left [ 9.356808][ T134] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.356810][ T134] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 134, name: netdev [ 9.356812][ T134] preempt_count: 2, expected: 0 [ 9.356813][ T134] RCU nest depth: 0, expected: 0 [ 9.356814][ T134] locks held by netdev/134: 5, last CPU#0: [ 9.356816][ T134] #0: ffffffff932027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.356830][ T134] #1: ffffffff93369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.356836][ T134] #2: ffffffff93369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.356839][ T134] #3: ffffffff93289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.356843][ T134] #4: ffffffff93289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.356847][ T134] irq event stamp: 43730 [ 9.356848][ T134] hardirqs last enabled at (43729): [] __down_trylock_console_sem+0x86/0xa0 [ 9.356850][ T134] hardirqs last disabled at (43730): [] console_emit_next_record+0x3d4/0x4c0 [ 9.356852][ T134] softirqs last enabled at (41096): [] handle_softirqs+0x67c/0x900 [ 9.356855][ T134] softirqs last disabled at (41089): [] __irq_exit_rcu+0x145/0x1c0 [ 9.356858][ T134] Preemption disabled at: [ 9.356859][ T134] [<0000000000000000>] 0x0 [ 9.356866][ T134] CPU: 0 UID: 0 PID: 134 Comm: netdev Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.356869][ T134] Tainted: [W]=WARN [ 9.356870][ T134] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.356873][ T134] Call Trace: [ 9.356874][ T134] [ 9.356876][ T134] dump_stack_lvl+0x6f/0xa0 [ 9.356882][ T134] __might_resched.cold+0x1fe/0x2c1 [ 9.356887][ T134] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.356891][ T134] ? __kmalloc_noprof+0xdb/0x760 [ 9.356896][ T134] __kmalloc_noprof+0x443/0x760 [ 9.356899][ T134] ? alloc_buf.isra.0+0x4b/0x260 [ 9.356906][ T134] ? do_raw_spin_unlock+0x59/0x250 [ 9.356908][ T134] alloc_buf.isra.0+0x4b/0x260 [ 9.356912][ T134] put_chars+0x1e1/0x2f0 [ 9.356916][ T134] ? __send_to_port+0x420/0x420 [ 9.356918][ T134] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.356922][ T134] ? validate_chain+0x38b/0xc20 [ 9.356928][ T134] hvc_console_print+0x292/0x780 [ 9.356936][ T134] ? hvc_write+0x3a0/0x3a0 [ 9.356939][ T134] ? rcu_is_watching+0x16/0xd0 [ 9.356941][ T134] ? lock_acquire+0x13c/0x160 [ 9.356946][ T134] console_emit_next_record+0x22f/0x4c0 [ 9.356950][ T134] ? devkmsg_read+0x4b0/0x4b0 [ 9.356952][ T134] ? console_flush_one_record+0x106/0x710 [ 9.356955][ T134] ? rcu_is_watching+0x16/0xd0 [ 9.356958][ T134] ? lock_acquire+0x13c/0x160 [ 9.356962][ T134] console_flush_one_record+0x46f/0x710 [ 9.356967][ T134] ? console_emit_next_record+0x4c0/0x4c0 [ 9.356968][ T134] ? __lock_acquire+0x518/0xc20 [ 9.356974][ T134] console_unlock+0xee/0x1f0 [ 9.356977][ T134] ? console_flush_one_record+0x710/0x710 [ 9.356979][ T134] ? rcu_is_watching+0x16/0xd0 [ 9.356981][ T134] ? lock_acquire+0x60/0x160 [ 9.356985][ T134] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.356987][ T134] ? vprintk_emit+0x320/0x3e0 [ 9.356990][ T134] vprintk_emit+0x37c/0x3e0 [ 9.356994][ T134] ? wake_up_klogd_work_func+0x90/0x90 [ 9.356997][ T134] ? __lock_acquire+0x518/0xc20 [ 9.357001][ T134] _printk+0xc7/0x100 [ 9.357005][ T134] ? snapshot_read.cold+0x21/0x21 [ 9.357008][ T134] ? do_raw_spin_lock+0x131/0x280 [ 9.357010][ T134] ? __rwlock_init+0x150/0x150 [ 9.357014][ T134] ? do_raw_spin_lock+0x131/0x280 [ 9.357017][ T134] do_exit.cold+0x82/0x9c [ 9.357020][ T134] ? exit_notify+0x890/0x890 [ 9.357022][ T134] ? __lock_release.isra.0+0x69/0x1a0 [ 9.357025][ T134] ? rcu_is_watching+0x16/0xd0 [ 9.357029][ T134] do_group_exit+0xb8/0x370 [ 9.357032][ T134] __x64_sys_exit_group+0x3c/0x50 [ 9.357035][ T134] x64_sys_call+0x1567/0x1570 [ 9.357037][ T134] do_syscall_64+0xff/0x530 [ 9.357041][ T134] ? exc_page_fault+0xee/0x100 [ 9.357044][ T134] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.357047][ T134] RIP: 0033:0x7f1c7b9881b8 [ 9.357049][ T134] Code: Unable to access opcode bytes at 0x7f1c7b98818e. [ 9.357050][ T134] RSP: 002b:00007ffebe696d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.357053][ T134] RAX: ffffffffffffffda RBX: 00007f1c7b3dd000 RCX: 00007f1c7b9881b8 [ 9.357054][ T134] RDX: 00007f1c7b3f0000 RSI: ffffffffffffff60 RDI: 0000000000000000 [ 9.357055][ T134] RBP: 00007f1c7b3dd030 R08: 00007f1c7ba2bb00 R09: 0000000000000000 [ 9.357056][ T134] R10: 0000000000000018 R11: 0000000000000246 R12: 00007f1c7b356800 [ 9.357057][ T134] R13: 00007b4c7ade00d0 R14: 00007b1c79bd04c0 R15: 00007b1c79bd0030 [ 9.357065][ T134]