[ 9.517935][ T198] ip (198) used greatest stack depth: 23840 bytes left [ 9.517952][ T198] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.517954][ T198] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 198, name: ip [ 9.517956][ T198] preempt_count: 2, expected: 0 [ 9.517957][ T198] RCU nest depth: 0, expected: 0 [ 9.517958][ T198] locks held by ip/198: 5, last CPU#2: [ 9.517960][ T198] #0: ffffffffaee167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.517971][ T198] #1: ffffffffaef7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.517975][ T198] #2: ffffffffaef7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.517980][ T198] #3: ffffffffaee9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.517983][ T198] #4: ffffffffaee9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.517987][ T198] irq event stamp: 27754 [ 9.517988][ T198] hardirqs last enabled at (27753): [] __down_trylock_console_sem+0x86/0xa0 [ 9.517991][ T198] hardirqs last disabled at (27754): [] console_emit_next_record+0x3d4/0x4c0 [ 9.517993][ T198] softirqs last enabled at (26164): [] netlink_release+0x17b/0xcf0 [ 9.517997][ T198] softirqs last disabled at (26162): [] netlink_release+0xd2/0xcf0 [ 9.518000][ T198] Preemption disabled at: [ 9.518000][ T198] [<0000000000000000>] 0x0 [ 9.518008][ T198] CPU: 2 UID: 0 PID: 198 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.518011][ T198] Tainted: [W]=WARN [ 9.518012][ T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.518013][ T198] Call Trace: [ 9.518015][ T198] [ 9.518016][ T198] dump_stack_lvl+0x6f/0xa0 [ 9.518022][ T198] __might_resched.cold+0x1fe/0x2c1 [ 9.518027][ T198] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.518031][ T198] ? __kmalloc_noprof+0xdb/0x760 [ 9.518035][ T198] __kmalloc_noprof+0x443/0x760 [ 9.518037][ T198] ? alloc_buf.isra.0+0x4b/0x260 [ 9.518044][ T198] ? do_raw_spin_unlock+0x59/0x250 [ 9.518047][ T198] alloc_buf.isra.0+0x4b/0x260 [ 9.518050][ T198] put_chars+0x1e1/0x2f0 [ 9.518053][ T198] ? __send_to_port+0x420/0x420 [ 9.518054][ T198] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.518058][ T198] ? validate_chain+0x38b/0xc20 [ 9.518063][ T198] hvc_console_print+0x292/0x780 [ 9.518071][ T198] ? hvc_write+0x3a0/0x3a0 [ 9.518073][ T198] ? rcu_is_watching+0x16/0xd0 [ 9.518075][ T198] ? lock_acquire+0x13c/0x160 [ 9.518079][ T198] console_emit_next_record+0x22f/0x4c0 [ 9.518083][ T198] ? devkmsg_read+0x4b0/0x4b0 [ 9.518085][ T198] ? console_flush_one_record+0x106/0x710 [ 9.518088][ T198] ? rcu_is_watching+0x16/0xd0 [ 9.518090][ T198] ? lock_acquire+0x13c/0x160 [ 9.518094][ T198] console_flush_one_record+0x46f/0x710 [ 9.518098][ T198] ? console_emit_next_record+0x4c0/0x4c0 [ 9.518100][ T198] ? __lock_acquire+0x518/0xc20 [ 9.518106][ T198] console_unlock+0xee/0x1f0 [ 9.518109][ T198] ? console_flush_one_record+0x710/0x710 [ 9.518110][ T198] ? rcu_is_watching+0x16/0xd0 [ 9.518112][ T198] ? lock_acquire+0xe0/0x160 [ 9.518116][ T198] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.518118][ T198] ? vprintk_emit+0x320/0x3e0 [ 9.518120][ T198] vprintk_emit+0x37c/0x3e0 [ 9.518123][ T198] ? wake_up_klogd_work_func+0x90/0x90 [ 9.518126][ T198] ? __lock_acquire+0x518/0xc20 [ 9.518130][ T198] _printk+0xc7/0x100 [ 9.518134][ T198] ? snapshot_read.cold+0x21/0x21 [ 9.518137][ T198] ? do_raw_spin_lock+0x131/0x280 [ 9.518139][ T198] ? __rwlock_init+0x150/0x150 [ 9.518143][ T198] ? do_raw_spin_lock+0x131/0x280 [ 9.518146][ T198] do_exit.cold+0x82/0x9c [ 9.518150][ T198] ? exit_notify+0x890/0x890 [ 9.518151][ T198] ? __lock_release.isra.0+0x69/0x1a0 [ 9.518154][ T198] ? rcu_is_watching+0x16/0xd0 [ 9.518157][ T198] do_group_exit+0xb8/0x370 [ 9.518160][ T198] __x64_sys_exit_group+0x3c/0x50 [ 9.518162][ T198] x64_sys_call+0x1567/0x1570 [ 9.518164][ T198] do_syscall_64+0xff/0x530 [ 9.518168][ T198] ? exc_page_fault+0xee/0x100 [ 9.518171][ T198] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.518176][ T198] RIP: 0033:0x7f25647611b8 [ 9.518178][ T198] Code: Unable to access opcode bytes at 0x7f256476118e. [ 9.518179][ T198] RSP: 002b:00007ffd81696738 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.518181][ T198] RAX: ffffffffffffffda RBX: 00007f2564891f88 RCX: 00007f25647611b8 [ 9.518183][ T198] RDX: 00007f25644abfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.518184][ T198] RBP: 00007ffd81696790 R08: 0000000000000000 R09: 0000000000000050 [ 9.518185][ T198] R10: 00007ffd81696550 R11: 0000000000000246 R12: 0000000000000001 [ 9.518185][ T198] R13: 0000000000000000 R14: 00007f2564890680 R15: 00007f2564891fa0 [ 9.518192][ T198]