[ 11.194741][ T185] ip (185) used greatest stack depth: 23920 bytes left [ 11.194761][ T185] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.194764][ T185] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 185, name: ip [ 11.194766][ T185] preempt_count: 2, expected: 0 [ 11.194767][ T185] RCU nest depth: 0, expected: 0 [ 11.194769][ T185] locks held by ip/185: 5, last CPU#2: [ 11.194772][ T185] #0: ffffffffbce02f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0 [ 11.194786][ T185] #1: ffffffffbcf6a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.194794][ T185] #2: ffffffffbcf6a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.194799][ T185] #3: ffffffffbce89de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.194804][ T185] #4: ffffffffbce89ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.194810][ T185] irq event stamp: 34258 [ 11.194816][ T185] hardirqs last enabled at (34257): [] __down_trylock_console_sem+0x86/0xa0 [ 11.194821][ T185] hardirqs last disabled at (34258): [] console_emit_next_record+0x3d4/0x4c0 [ 11.194823][ T185] softirqs last enabled at (33884): [] handle_softirqs+0x67c/0x900 [ 11.194827][ T185] softirqs last disabled at (33877): [] __irq_exit_rcu+0x145/0x1c0 [ 11.194831][ T185] Preemption disabled at: [ 11.194832][ T185] [<0000000000000000>] 0x0 [ 11.194841][ T185] CPU: 2 UID: 0 PID: 185 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.194848][ T185] Tainted: [W]=WARN [ 11.194849][ T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.194852][ T185] Call Trace: [ 11.194855][ T185] [ 11.194857][ T185] dump_stack_lvl+0x6f/0xa0 [ 11.194864][ T185] __might_resched.cold+0x1fe/0x2c1 [ 11.194871][ T185] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.194876][ T185] ? __kmalloc_noprof+0xdb/0x760 [ 11.194884][ T185] __kmalloc_noprof+0x443/0x760 [ 11.194888][ T185] ? alloc_buf.isra.0+0x4b/0x260 [ 11.194897][ T185] ? do_raw_spin_unlock+0x59/0x250 [ 11.194901][ T185] alloc_buf.isra.0+0x4b/0x260 [ 11.194907][ T185] put_chars+0x1e1/0x2f0 [ 11.194912][ T185] ? __send_to_port+0x420/0x420 [ 11.194924][ T185] hvc_console_print+0x292/0x780 [ 11.194935][ T185] ? hvc_write+0x3a0/0x3a0 [ 11.194940][ T185] ? lock_acquire+0x13c/0x160 [ 11.194949][ T185] console_emit_next_record+0x22f/0x4c0 [ 11.194955][ T185] ? devkmsg_read+0x4b0/0x4b0 [ 11.194957][ T185] ? console_flush_one_record+0x106/0x710 [ 11.194962][ T185] ? rcu_is_watching+0x16/0xd0 [ 11.194966][ T185] ? lock_acquire+0x13c/0x160 [ 11.194974][ T185] console_flush_one_record+0x46f/0x710 [ 11.194981][ T185] ? console_emit_next_record+0x4c0/0x4c0 [ 11.194983][ T185] ? __lock_acquire+0x518/0xc20 [ 11.194993][ T185] console_unlock+0xee/0x1f0 [ 11.194997][ T185] ? console_flush_one_record+0x710/0x710 [ 11.194999][ T185] ? rcu_is_watching+0x16/0xd0 [ 11.195002][ T185] ? lock_acquire+0x60/0x160 [ 11.195009][ T185] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.195012][ T185] ? vprintk_emit+0x320/0x3e0 [ 11.195017][ T185] vprintk_emit+0x37c/0x3e0 [ 11.195023][ T185] ? wake_up_klogd_work_func+0x90/0x90 [ 11.195029][ T185] ? __lock_acquire+0x518/0xc20 [ 11.195035][ T185] _printk+0xc7/0x100 [ 11.195041][ T185] ? snapshot_read.cold+0x21/0x21 [ 11.195045][ T185] ? do_raw_spin_lock+0x131/0x280 [ 11.195050][ T185] ? __rwlock_init+0x150/0x150 [ 11.195057][ T185] ? do_raw_spin_lock+0x131/0x280 [ 11.195062][ T185] do_exit.cold+0x82/0x9c [ 11.195068][ T185] ? exit_notify+0x890/0x890 [ 11.195071][ T185] ? __lock_release.isra.0+0x69/0x1a0 [ 11.195076][ T185] ? rcu_is_watching+0x16/0xd0 [ 11.195082][ T185] do_group_exit+0xb8/0x370 [ 11.195088][ T185] __x64_sys_exit_group+0x3c/0x50 [ 11.195091][ T185] x64_sys_call+0x1567/0x1570 [ 11.195095][ T185] do_syscall_64+0x10e/0x570 [ 11.195100][ T185] ? exc_page_fault+0xee/0x100 [ 11.195105][ T185] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.195109][ T185] RIP: 0033:0x7f46efb031b8 [ 11.195112][ T185] Code: Unable to access opcode bytes at 0x7f46efb0318e. [ 11.195114][ T185] RSP: 002b:00007ffe5f48f178 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.195117][ T185] RAX: ffffffffffffffda RBX: 00007f46efc33f88 RCX: 00007f46efb031b8 [ 11.195119][ T185] RDX: 00007f46ef84dfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.195121][ T185] RBP: 00007ffe5f48f1d0 R08: 0000000000000000 R09: 0000000000008010 [ 11.195122][ T185] R10: 00007ffe5f48ef90 R11: 0000000000000246 R12: 0000000000000001 [ 11.195124][ T185] R13: 0000000000000000 R14: 00007f46efc32680 R15: 00007f46efc33fa0 [ 11.195137][ T185] [ 11.862154][ T223] ip_local_port_range: prefer different parity for start/end values.