[ 10.638625][ T199] ip (199) used greatest stack depth: 24120 bytes left [ 10.638643][ T199] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.638645][ T199] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 199, name: ip [ 10.638647][ T199] preempt_count: 2, expected: 0 [ 10.638648][ T199] RCU nest depth: 0, expected: 0 [ 10.638649][ T199] locks held by ip/199: 5, last CPU#0: [ 10.638651][ T199] #0: ffffffff878167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.638663][ T199] #1: ffffffff8797ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.638667][ T199] #2: ffffffff8797de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.638671][ T199] #3: ffffffff8789d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.638675][ T199] #4: ffffffff8789d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.638679][ T199] irq event stamp: 28590 [ 10.638680][ T199] hardirqs last enabled at (28589): [] __down_trylock_console_sem+0x86/0xa0 [ 10.638684][ T199] hardirqs last disabled at (28590): [] console_emit_next_record+0x3d4/0x4c0 [ 10.638686][ T199] softirqs last enabled at (26864): [] netlink_release+0x17b/0xcf0 [ 10.638689][ T199] softirqs last disabled at (26862): [] netlink_release+0xd2/0xcf0 [ 10.638692][ T199] Preemption disabled at: [ 10.638693][ T199] [<0000000000000000>] 0x0 [ 10.638700][ T199] CPU: 0 UID: 0 PID: 199 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.638703][ T199] Tainted: [W]=WARN [ 10.638704][ T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.638706][ T199] Call Trace: [ 10.638707][ T199] [ 10.638709][ T199] dump_stack_lvl+0x6f/0xa0 [ 10.638715][ T199] __might_resched.cold+0x1fe/0x2c1 [ 10.638720][ T199] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.638724][ T199] ? __kmalloc_noprof+0xdb/0x760 [ 10.638729][ T199] __kmalloc_noprof+0x443/0x760 [ 10.638731][ T199] ? alloc_buf.isra.0+0x4b/0x260 [ 10.638737][ T199] ? do_raw_spin_unlock+0x59/0x250 [ 10.638740][ T199] alloc_buf.isra.0+0x4b/0x260 [ 10.638744][ T199] put_chars+0x1e1/0x2f0 [ 10.638746][ T199] ? __send_to_port+0x420/0x420 [ 10.638748][ T199] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.638751][ T199] ? validate_chain+0x38b/0xc20 [ 10.638757][ T199] hvc_console_print+0x292/0x780 [ 10.638764][ T199] ? hvc_write+0x3a0/0x3a0 [ 10.638767][ T199] ? rcu_is_watching+0x16/0xd0 [ 10.638769][ T199] ? lock_acquire+0x13c/0x160 [ 10.638773][ T199] console_emit_next_record+0x22f/0x4c0 [ 10.638777][ T199] ? devkmsg_read+0x4b0/0x4b0 [ 10.638779][ T199] ? console_flush_one_record+0x106/0x710 [ 10.638782][ T199] ? rcu_is_watching+0x16/0xd0 [ 10.638784][ T199] ? lock_acquire+0x13c/0x160 [ 10.638788][ T199] console_flush_one_record+0x46f/0x710 [ 10.638792][ T199] ? console_emit_next_record+0x4c0/0x4c0 [ 10.638794][ T199] ? __lock_acquire+0x518/0xc20 [ 10.638800][ T199] console_unlock+0xee/0x1f0 [ 10.638803][ T199] ? console_flush_one_record+0x710/0x710 [ 10.638804][ T199] ? rcu_is_watching+0x16/0xd0 [ 10.638806][ T199] ? lock_acquire+0xe0/0x160 [ 10.638810][ T199] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.638812][ T199] ? vprintk_emit+0x320/0x3e0 [ 10.638815][ T199] vprintk_emit+0x37c/0x3e0 [ 10.638818][ T199] ? wake_up_klogd_work_func+0x90/0x90 [ 10.638821][ T199] ? __lock_acquire+0x518/0xc20 [ 10.638825][ T199] _printk+0xc7/0x100 [ 10.638828][ T199] ? snapshot_read.cold+0x21/0x21 [ 10.638831][ T199] ? do_raw_spin_lock+0x131/0x280 [ 10.638834][ T199] ? __rwlock_init+0x150/0x150 [ 10.638838][ T199] ? do_raw_spin_lock+0x131/0x280 [ 10.638841][ T199] do_exit.cold+0x82/0x9c [ 10.638844][ T199] ? exit_notify+0x890/0x890 [ 10.638845][ T199] ? __lock_release.isra.0+0x69/0x1a0 [ 10.638848][ T199] ? rcu_is_watching+0x16/0xd0 [ 10.638852][ T199] do_group_exit+0xb8/0x370 [ 10.638855][ T199] __x64_sys_exit_group+0x3c/0x50 [ 10.638857][ T199] x64_sys_call+0x1567/0x1570 [ 10.638859][ T199] do_syscall_64+0xff/0x530 [ 10.638863][ T199] ? exc_page_fault+0xee/0x100 [ 10.638866][ T199] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.638872][ T199] RIP: 0033:0x7fb3d8cd51b8 [ 10.638874][ T199] Code: Unable to access opcode bytes at 0x7fb3d8cd518e. [ 10.638875][ T199] RSP: 002b:00007ffdf55101a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.638878][ T199] RAX: ffffffffffffffda RBX: 00007fb3d8e05f88 RCX: 00007fb3d8cd51b8 [ 10.638879][ T199] RDX: 00007fb3d8a1ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.638880][ T199] RBP: 00007ffdf5510200 R08: 0000000000000000 R09: 0000000000000050 [ 10.638881][ T199] R10: 00007ffdf550ffc0 R11: 0000000000000246 R12: 0000000000000001 [ 10.638881][ T199] R13: 0000000000000000 R14: 00007fb3d8e04680 R15: 00007fb3d8e05fa0 [ 10.638889][ T199]