[ 9.855811][ T195] ip (195) used greatest stack depth: 23760 bytes left [ 9.855827][ T195] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.855830][ T195] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 195, name: ip [ 9.855831][ T195] preempt_count: 2, expected: 0 [ 9.855832][ T195] RCU nest depth: 0, expected: 0 [ 9.855833][ T195] locks held by ip/195: 5, last CPU#3: [ 9.855835][ T195] #0: ffffffff8dc167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.855847][ T195] #1: ffffffff8dd7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.855852][ T195] #2: ffffffff8dd7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.855857][ T195] #3: ffffffff8dc9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.855861][ T195] #4: ffffffff8dc9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.855865][ T195] irq event stamp: 42306 [ 9.855866][ T195] hardirqs last enabled at (42305): [] __down_trylock_console_sem+0x86/0xa0 [ 9.855870][ T195] hardirqs last disabled at (42306): [] console_emit_next_record+0x3d4/0x4c0 [ 9.855872][ T195] softirqs last enabled at (41016): [] netlink_release+0x17b/0xcf0 [ 9.855876][ T195] softirqs last disabled at (41014): [] netlink_release+0xd2/0xcf0 [ 9.855879][ T195] Preemption disabled at: [ 9.855879][ T195] [<0000000000000000>] 0x0 [ 9.855886][ T195] CPU: 3 UID: 0 PID: 195 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.855890][ T195] Tainted: [W]=WARN [ 9.855891][ T195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.855892][ T195] Call Trace: [ 9.855894][ T195] [ 9.855896][ T195] dump_stack_lvl+0x6f/0xa0 [ 9.855903][ T195] __might_resched.cold+0x1fe/0x2c1 [ 9.855907][ T195] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.855911][ T195] ? __kmalloc_noprof+0xdb/0x760 [ 9.855916][ T195] __kmalloc_noprof+0x443/0x760 [ 9.855917][ T195] ? alloc_buf.isra.0+0x4b/0x260 [ 9.855924][ T195] ? do_raw_spin_unlock+0x59/0x250 [ 9.855927][ T195] alloc_buf.isra.0+0x4b/0x260 [ 9.855931][ T195] put_chars+0x1e1/0x2f0 [ 9.855934][ T195] ? __send_to_port+0x420/0x420 [ 9.855935][ T195] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.855939][ T195] ? validate_chain+0x38b/0xc20 [ 9.855944][ T195] hvc_console_print+0x292/0x780 [ 9.855952][ T195] ? hvc_write+0x3a0/0x3a0 [ 9.855955][ T195] ? rcu_is_watching+0x16/0xd0 [ 9.855957][ T195] ? lock_acquire+0x13c/0x160 [ 9.855961][ T195] console_emit_next_record+0x22f/0x4c0 [ 9.855965][ T195] ? devkmsg_read+0x4b0/0x4b0 [ 9.855967][ T195] ? console_flush_one_record+0x106/0x710 [ 9.855971][ T195] ? rcu_is_watching+0x16/0xd0 [ 9.855973][ T195] ? lock_acquire+0x13c/0x160 [ 9.855977][ T195] console_flush_one_record+0x46f/0x710 [ 9.855981][ T195] ? console_emit_next_record+0x4c0/0x4c0 [ 9.855983][ T195] ? __lock_acquire+0x518/0xc20 [ 9.855989][ T195] console_unlock+0xee/0x1f0 [ 9.855992][ T195] ? console_flush_one_record+0x710/0x710 [ 9.855994][ T195] ? rcu_is_watching+0x16/0xd0 [ 9.855995][ T195] ? lock_acquire+0xe0/0x160 [ 9.855999][ T195] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.856001][ T195] ? vprintk_emit+0x320/0x3e0 [ 9.856004][ T195] vprintk_emit+0x37c/0x3e0 [ 9.856007][ T195] ? wake_up_klogd_work_func+0x90/0x90 [ 9.856010][ T195] ? __lock_acquire+0x518/0xc20 [ 9.856014][ T195] _printk+0xc7/0x100 [ 9.856018][ T195] ? snapshot_read.cold+0x21/0x21 [ 9.856021][ T195] ? do_raw_spin_lock+0x131/0x280 [ 9.856023][ T195] ? __rwlock_init+0x150/0x150 [ 9.856027][ T195] ? do_raw_spin_lock+0x131/0x280 [ 9.856030][ T195] do_exit.cold+0x82/0x9c [ 9.856034][ T195] ? exit_notify+0x890/0x890 [ 9.856035][ T195] ? __lock_release.isra.0+0x69/0x1a0 [ 9.856038][ T195] ? rcu_is_watching+0x16/0xd0 [ 9.856042][ T195] do_group_exit+0xb8/0x370 [ 9.856045][ T195] __x64_sys_exit_group+0x3c/0x50 [ 9.856047][ T195] x64_sys_call+0x1567/0x1570 [ 9.856049][ T195] do_syscall_64+0xff/0x530 [ 9.856053][ T195] ? exc_page_fault+0xee/0x100 [ 9.856056][ T195] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.856059][ T195] RIP: 0033:0x7ff29e34c1b8 [ 9.856061][ T195] Code: Unable to access opcode bytes at 0x7ff29e34c18e. [ 9.856062][ T195] RSP: 002b:00007ffcf55331d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.856065][ T195] RAX: ffffffffffffffda RBX: 00007ff29e47cf88 RCX: 00007ff29e34c1b8 [ 9.856066][ T195] RDX: 00007ff29e096fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.856067][ T195] RBP: 00007ffcf5533230 R08: 0000000000000000 R09: 0000000000008010 [ 9.856068][ T195] R10: 00007ffcf5532ff0 R11: 0000000000000246 R12: 0000000000000001 [ 9.856069][ T195] R13: 0000000000000000 R14: 00007ff29e47b680 R15: 00007ff29e47cfa0 [ 9.856076][ T195]