[ 9.892195][ T194] ip (194) used greatest stack depth: 24256 bytes left [ 9.892211][ T194] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.892212][ T194] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 194, name: ip [ 9.892214][ T194] preempt_count: 2, expected: 0 [ 9.892215][ T194] RCU nest depth: 0, expected: 0 [ 9.892216][ T194] locks held by ip/194: 5, last CPU#0: [ 9.892218][ T194] #0: ffffffffa2202f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0 [ 9.892229][ T194] #1: ffffffffa236a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.892234][ T194] #2: ffffffffa236a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.892240][ T194] #3: ffffffffa2289de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.892243][ T194] #4: ffffffffa2289ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.892246][ T194] irq event stamp: 35086 [ 9.892247][ T194] hardirqs last enabled at (35085): [] __down_trylock_console_sem+0x86/0xa0 [ 9.892251][ T194] hardirqs last disabled at (35086): [] console_emit_next_record+0x3d4/0x4c0 [ 9.892252][ T194] softirqs last enabled at (33782): [] netlink_release+0x17b/0xcf0 [ 9.892256][ T194] softirqs last disabled at (33780): [] netlink_release+0xd2/0xcf0 [ 9.892259][ T194] Preemption disabled at: [ 9.892259][ T194] [<0000000000000000>] 0x0 [ 9.892266][ T194] CPU: 0 UID: 0 PID: 194 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.892269][ T194] Tainted: [W]=WARN [ 9.892270][ T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.892272][ T194] Call Trace: [ 9.892273][ T194] [ 9.892275][ T194] dump_stack_lvl+0x6f/0xa0 [ 9.892280][ T194] __might_resched.cold+0x1fe/0x2c1 [ 9.892285][ T194] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.892288][ T194] ? __kmalloc_noprof+0xdb/0x760 [ 9.892293][ T194] __kmalloc_noprof+0x443/0x760 [ 9.892295][ T194] ? alloc_buf.isra.0+0x4b/0x260 [ 9.892301][ T194] ? do_raw_spin_unlock+0x59/0x250 [ 9.892304][ T194] alloc_buf.isra.0+0x4b/0x260 [ 9.892307][ T194] put_chars+0x1e1/0x2f0 [ 9.892310][ T194] ? __send_to_port+0x420/0x420 [ 9.892316][ T194] hvc_console_print+0x292/0x780 [ 9.892323][ T194] ? hvc_write+0x3a0/0x3a0 [ 9.892326][ T194] ? lock_acquire+0x13c/0x160 [ 9.892330][ T194] console_emit_next_record+0x22f/0x4c0 [ 9.892334][ T194] ? devkmsg_read+0x4b0/0x4b0 [ 9.892335][ T194] ? console_flush_one_record+0x106/0x710 [ 9.892337][ T194] ? rcu_is_watching+0x16/0xd0 [ 9.892341][ T194] ? lock_acquire+0x13c/0x160 [ 9.892345][ T194] console_flush_one_record+0x46f/0x710 [ 9.892348][ T194] ? console_emit_next_record+0x4c0/0x4c0 [ 9.892349][ T194] ? __lock_acquire+0x518/0xc20 [ 9.892355][ T194] console_unlock+0xee/0x1f0 [ 9.892357][ T194] ? console_flush_one_record+0x710/0x710 [ 9.892358][ T194] ? rcu_is_watching+0x16/0xd0 [ 9.892360][ T194] ? lock_acquire+0x60/0x160 [ 9.892363][ T194] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.892365][ T194] ? vprintk_emit+0x320/0x3e0 [ 9.892368][ T194] vprintk_emit+0x37c/0x3e0 [ 9.892371][ T194] ? wake_up_klogd_work_func+0x90/0x90 [ 9.892374][ T194] ? __lock_acquire+0x518/0xc20 [ 9.892378][ T194] _printk+0xc7/0x100 [ 9.892381][ T194] ? snapshot_read.cold+0x21/0x21 [ 9.892384][ T194] ? do_raw_spin_lock+0x131/0x280 [ 9.892386][ T194] ? __rwlock_init+0x150/0x150 [ 9.892390][ T194] ? do_raw_spin_lock+0x131/0x280 [ 9.892393][ T194] do_exit.cold+0x82/0x9c [ 9.892397][ T194] ? exit_notify+0x890/0x890 [ 9.892398][ T194] ? __lock_release.isra.0+0x69/0x1a0 [ 9.892401][ T194] ? rcu_is_watching+0x16/0xd0 [ 9.892405][ T194] do_group_exit+0xb8/0x370 [ 9.892408][ T194] __x64_sys_exit_group+0x3c/0x50 [ 9.892409][ T194] x64_sys_call+0x1567/0x1570 [ 9.892412][ T194] do_syscall_64+0x10e/0x570 [ 9.892415][ T194] ? exc_page_fault+0xee/0x100 [ 9.892419][ T194] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.892421][ T194] RIP: 0033:0x7fdb9761b1b8 [ 9.892423][ T194] Code: Unable to access opcode bytes at 0x7fdb9761b18e. [ 9.892424][ T194] RSP: 002b:00007ffcf49514a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.892426][ T194] RAX: ffffffffffffffda RBX: 00007fdb9774bf88 RCX: 00007fdb9761b1b8 [ 9.892428][ T194] RDX: 00007fdb97365fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.892429][ T194] RBP: 00007ffcf4951500 R08: 0000000000000000 R09: 0000000000000000 [ 9.892429][ T194] R10: 00007ffcf49512c0 R11: 0000000000000246 R12: 0000000000000001 [ 9.892430][ T194] R13: 0000000000000000 R14: 00007fdb9774a680 R15: 00007fdb9774bfa0 [ 9.892437][ T194] [ 9.961682][ T196] ip (196) used greatest stack depth: 24240 bytes left