[ 10.935209][ T197] ip (197) used greatest stack depth: 23712 bytes left [ 10.935226][ T197] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.935228][ T197] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 197, name: ip [ 10.935229][ T197] preempt_count: 2, expected: 0 [ 10.935230][ T197] RCU nest depth: 0, expected: 0 [ 10.935231][ T197] locks held by ip/197: 5, last CPU#3: [ 10.935234][ T197] #0: ffffffffa2a02f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0 [ 10.935246][ T197] #1: ffffffffa2b6a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.935250][ T197] #2: ffffffffa2b6a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.935254][ T197] #3: ffffffffa2a89de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.935257][ T197] #4: ffffffffa2a89ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.935261][ T197] irq event stamp: 34460 [ 10.935261][ T197] hardirqs last enabled at (34459): [] __down_trylock_console_sem+0x86/0xa0 [ 10.935265][ T197] hardirqs last disabled at (34460): [] console_emit_next_record+0x3d4/0x4c0 [ 10.935266][ T197] softirqs last enabled at (33560): [] handle_softirqs+0x67c/0x900 [ 10.935269][ T197] softirqs last disabled at (33551): [] __irq_exit_rcu+0x145/0x1c0 [ 10.935271][ T197] Preemption disabled at: [ 10.935272][ T197] [<0000000000000000>] 0x0 [ 10.935279][ T197] CPU: 3 UID: 0 PID: 197 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.935283][ T197] Tainted: [W]=WARN [ 10.935284][ T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.935285][ T197] Call Trace: [ 10.935287][ T197] [ 10.935288][ T197] dump_stack_lvl+0x6f/0xa0 [ 10.935294][ T197] __might_resched.cold+0x1fe/0x2c1 [ 10.935299][ T197] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.935302][ T197] ? __kmalloc_noprof+0xdb/0x760 [ 10.935307][ T197] __kmalloc_noprof+0x443/0x760 [ 10.935310][ T197] ? alloc_buf.isra.0+0x4b/0x260 [ 10.935316][ T197] ? do_raw_spin_unlock+0x59/0x250 [ 10.935320][ T197] alloc_buf.isra.0+0x4b/0x260 [ 10.935323][ T197] put_chars+0x1e1/0x2f0 [ 10.935326][ T197] ? __send_to_port+0x420/0x420 [ 10.935333][ T197] hvc_console_print+0x292/0x780 [ 10.935339][ T197] ? hvc_write+0x3a0/0x3a0 [ 10.935342][ T197] ? lock_acquire+0x13c/0x160 [ 10.935347][ T197] console_emit_next_record+0x22f/0x4c0 [ 10.935350][ T197] ? devkmsg_read+0x4b0/0x4b0 [ 10.935352][ T197] ? console_flush_one_record+0x106/0x710 [ 10.935354][ T197] ? rcu_is_watching+0x16/0xd0 [ 10.935358][ T197] ? lock_acquire+0x13c/0x160 [ 10.935362][ T197] console_flush_one_record+0x46f/0x710 [ 10.935366][ T197] ? console_emit_next_record+0x4c0/0x4c0 [ 10.935367][ T197] ? __lock_acquire+0x518/0xc20 [ 10.935373][ T197] console_unlock+0xee/0x1f0 [ 10.935375][ T197] ? console_flush_one_record+0x710/0x710 [ 10.935376][ T197] ? rcu_is_watching+0x16/0xd0 [ 10.935378][ T197] ? lock_acquire+0x60/0x160 [ 10.935382][ T197] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.935384][ T197] ? vprintk_emit+0x320/0x3e0 [ 10.935387][ T197] vprintk_emit+0x37c/0x3e0 [ 10.935390][ T197] ? wake_up_klogd_work_func+0x90/0x90 [ 10.935393][ T197] ? __lock_acquire+0x518/0xc20 [ 10.935397][ T197] _printk+0xc7/0x100 [ 10.935401][ T197] ? snapshot_read.cold+0x21/0x21 [ 10.935404][ T197] ? do_raw_spin_lock+0x131/0x280 [ 10.935407][ T197] ? __rwlock_init+0x150/0x150 [ 10.935411][ T197] ? do_raw_spin_lock+0x131/0x280 [ 10.935414][ T197] do_exit.cold+0x82/0x9c [ 10.935418][ T197] ? exit_notify+0x890/0x890 [ 10.935419][ T197] ? __lock_release.isra.0+0x69/0x1a0 [ 10.935422][ T197] ? rcu_is_watching+0x16/0xd0 [ 10.935426][ T197] do_group_exit+0xb8/0x370 [ 10.935429][ T197] __x64_sys_exit_group+0x3c/0x50 [ 10.935431][ T197] x64_sys_call+0x1567/0x1570 [ 10.935434][ T197] do_syscall_64+0x10e/0x570 [ 10.935437][ T197] ? exc_page_fault+0xee/0x100 [ 10.935441][ T197] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.935443][ T197] RIP: 0033:0x7fd19b6681b8 [ 10.935445][ T197] Code: Unable to access opcode bytes at 0x7fd19b66818e. [ 10.935446][ T197] RSP: 002b:00007ffd69a7e498 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.935449][ T197] RAX: ffffffffffffffda RBX: 00007fd19b798f88 RCX: 00007fd19b6681b8 [ 10.935450][ T197] RDX: 00007fd19b3b2fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.935451][ T197] RBP: 00007ffd69a7e4f0 R08: 0000000000000000 R09: 0000000000000000 [ 10.935452][ T197] R10: 00007ffd69a7e2b0 R11: 0000000000000246 R12: 0000000000000001 [ 10.935452][ T197] R13: 0000000000000000 R14: 00007fd19b797680 R15: 00007fd19b798fa0 [ 10.935459][ T197]