[ 10.560123][ T191] ip (191) used greatest stack depth: 23328 bytes left [ 10.560143][ T191] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.560146][ T191] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 191, name: ip [ 10.560147][ T191] preempt_count: 2, expected: 0 [ 10.560148][ T191] RCU nest depth: 0, expected: 0 [ 10.560149][ T191] locks held by ip/191: 5, last CPU#0: [ 10.560151][ T191] #0: ffffffffa3202f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0 [ 10.560164][ T191] #1: ffffffffa336a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.560170][ T191] #2: ffffffffa336a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.560173][ T191] #3: ffffffffa3289de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.560177][ T191] #4: ffffffffa3289ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.560181][ T191] irq event stamp: 29440 [ 10.560182][ T191] hardirqs last enabled at (29439): [] __down_trylock_console_sem+0x86/0xa0 [ 10.560185][ T191] hardirqs last disabled at (29440): [] console_emit_next_record+0x3d4/0x4c0 [ 10.560187][ T191] softirqs last enabled at (27870): [] netlink_release+0x17b/0xcf0 [ 10.560191][ T191] softirqs last disabled at (27868): [] netlink_release+0xd2/0xcf0 [ 10.560198][ T191] Preemption disabled at: [ 10.560199][ T191] [<0000000000000000>] 0x0 [ 10.560207][ T191] CPU: 0 UID: 0 PID: 191 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.560211][ T191] Tainted: [W]=WARN [ 10.560212][ T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.560214][ T191] Call Trace: [ 10.560215][ T191] [ 10.560217][ T191] dump_stack_lvl+0x6f/0xa0 [ 10.560222][ T191] __might_resched.cold+0x1fe/0x2c1 [ 10.560227][ T191] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.560230][ T191] ? __kmalloc_noprof+0xdb/0x760 [ 10.560235][ T191] __kmalloc_noprof+0x443/0x760 [ 10.560237][ T191] ? alloc_buf.isra.0+0x4b/0x260 [ 10.560243][ T191] ? do_raw_spin_unlock+0x59/0x250 [ 10.560246][ T191] alloc_buf.isra.0+0x4b/0x260 [ 10.560250][ T191] put_chars+0x1e1/0x2f0 [ 10.560252][ T191] ? __send_to_port+0x420/0x420 [ 10.560259][ T191] hvc_console_print+0x292/0x780 [ 10.560265][ T191] ? hvc_write+0x3a0/0x3a0 [ 10.560268][ T191] ? lock_acquire+0x13c/0x160 [ 10.560273][ T191] console_emit_next_record+0x22f/0x4c0 [ 10.560276][ T191] ? devkmsg_read+0x4b0/0x4b0 [ 10.560277][ T191] ? console_flush_one_record+0x106/0x710 [ 10.560282][ T191] ? rcu_is_watching+0x16/0xd0 [ 10.560286][ T191] ? lock_acquire+0x13c/0x160 [ 10.560290][ T191] console_flush_one_record+0x46f/0x710 [ 10.560294][ T191] ? console_emit_next_record+0x4c0/0x4c0 [ 10.560295][ T191] ? __lock_acquire+0x518/0xc20 [ 10.560301][ T191] console_unlock+0xee/0x1f0 [ 10.560303][ T191] ? console_flush_one_record+0x710/0x710 [ 10.560304][ T191] ? rcu_is_watching+0x16/0xd0 [ 10.560306][ T191] ? lock_acquire+0x60/0x160 [ 10.560310][ T191] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.560312][ T191] ? vprintk_emit+0x320/0x3e0 [ 10.560315][ T191] vprintk_emit+0x37c/0x3e0 [ 10.560318][ T191] ? wake_up_klogd_work_func+0x90/0x90 [ 10.560321][ T191] ? __lock_acquire+0x518/0xc20 [ 10.560325][ T191] _printk+0xc7/0x100 [ 10.560328][ T191] ? snapshot_read.cold+0x21/0x21 [ 10.560331][ T191] ? do_raw_spin_lock+0x131/0x280 [ 10.560334][ T191] ? __rwlock_init+0x150/0x150 [ 10.560338][ T191] ? do_raw_spin_lock+0x131/0x280 [ 10.560341][ T191] do_exit.cold+0x82/0x9c [ 10.560345][ T191] ? exit_notify+0x890/0x890 [ 10.560347][ T191] ? __lock_release.isra.0+0x69/0x1a0 [ 10.560350][ T191] ? rcu_is_watching+0x16/0xd0 [ 10.560353][ T191] do_group_exit+0xb8/0x370 [ 10.560357][ T191] __x64_sys_exit_group+0x3c/0x50 [ 10.560359][ T191] x64_sys_call+0x1567/0x1570 [ 10.560362][ T191] do_syscall_64+0x10e/0x570 [ 10.560365][ T191] ? exc_page_fault+0xee/0x100 [ 10.560368][ T191] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.560371][ T191] RIP: 0033:0x7fa4b6ff91b8 [ 10.560373][ T191] Code: Unable to access opcode bytes at 0x7fa4b6ff918e. [ 10.560374][ T191] RSP: 002b:00007ffcefce9e38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.560377][ T191] RAX: ffffffffffffffda RBX: 00007fa4b7129f88 RCX: 00007fa4b6ff91b8 [ 10.560378][ T191] RDX: 00007fa4b6d43fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.560379][ T191] RBP: 00007ffcefce9e90 R08: 0000000000000000 R09: 0000000000000050 [ 10.560380][ T191] R10: 00007ffcefce9c50 R11: 0000000000000246 R12: 0000000000000001 [ 10.560380][ T191] R13: 0000000000000000 R14: 00007fa4b7128680 R15: 00007fa4b7129fa0 [ 10.560387][ T191]