[ 68.369497][ T422] udpgso_bench.sh (422) used greatest stack depth: 23712 bytes left [ 68.369518][ T422] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 68.369520][ T422] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 422, name: udpgso_bench.sh [ 68.369522][ T422] preempt_count: 2, expected: 0 [ 68.369523][ T422] RCU nest depth: 0, expected: 0 [ 68.369524][ T422] locks held by udpgso_bench.sh/422: 5, last CPU#2: [ 68.369526][ T422] #0: ffffffffa48167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 68.369538][ T422] #1: ffffffffa497ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 68.369543][ T422] #2: ffffffffa497de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 68.369548][ T422] #3: ffffffffa489d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 68.369551][ T422] #4: ffffffffa489d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 68.369556][ T422] irq event stamp: 39242 [ 68.369557][ T422] hardirqs last enabled at (39241): [] __down_trylock_console_sem+0x86/0xa0 [ 68.369560][ T422] hardirqs last disabled at (39242): [] console_emit_next_record+0x3d4/0x4c0 [ 68.369562][ T422] softirqs last enabled at (39046): [] handle_softirqs+0x67c/0x900 [ 68.369565][ T422] softirqs last disabled at (39039): [] __irq_exit_rcu+0x145/0x1c0 [ 68.369567][ T422] Preemption disabled at: [ 68.369568][ T422] [<0000000000000000>] 0x0 [ 68.369575][ T422] CPU: 2 UID: 0 PID: 422 Comm: udpgso_bench.sh Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 68.369579][ T422] Tainted: [W]=WARN [ 68.369580][ T422] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 68.369581][ T422] Call Trace: [ 68.369583][ T422] [ 68.369584][ T422] dump_stack_lvl+0x6f/0xa0 [ 68.369591][ T422] __might_resched.cold+0x1fe/0x2c1 [ 68.369596][ T422] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 68.369601][ T422] ? __kmalloc_noprof+0xdb/0x760 [ 68.369605][ T422] __kmalloc_noprof+0x443/0x760 [ 68.369607][ T422] ? alloc_buf.isra.0+0x4b/0x260 [ 68.369615][ T422] ? do_raw_spin_unlock+0x59/0x250 [ 68.369618][ T422] alloc_buf.isra.0+0x4b/0x260 [ 68.369622][ T422] put_chars+0x1e1/0x2f0 [ 68.369625][ T422] ? __send_to_port+0x420/0x420 [ 68.369626][ T422] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 68.369630][ T422] ? validate_chain+0x38b/0xc20 [ 68.369635][ T422] hvc_console_print+0x292/0x780 [ 68.369643][ T422] ? hvc_write+0x3a0/0x3a0 [ 68.369646][ T422] ? rcu_is_watching+0x16/0xd0 [ 68.369648][ T422] ? lock_acquire+0x13c/0x160 [ 68.369652][ T422] console_emit_next_record+0x22f/0x4c0 [ 68.369656][ T422] ? devkmsg_read+0x4b0/0x4b0 [ 68.369658][ T422] ? console_flush_one_record+0x106/0x710 [ 68.369661][ T422] ? rcu_is_watching+0x16/0xd0 [ 68.369663][ T422] ? lock_acquire+0x13c/0x160 [ 68.369667][ T422] console_flush_one_record+0x46f/0x710 [ 68.369671][ T422] ? console_emit_next_record+0x4c0/0x4c0 [ 68.369673][ T422] ? __lock_acquire+0x518/0xc20 [ 68.369678][ T422] console_unlock+0xee/0x1f0 [ 68.369681][ T422] ? console_flush_one_record+0x710/0x710 [ 68.369683][ T422] ? rcu_is_watching+0x16/0xd0 [ 68.369685][ T422] ? lock_acquire+0xe0/0x160 [ 68.369688][ T422] ? __down_trylock_console_sem+0x5e/0xa0 [ 68.369690][ T422] ? vprintk_emit+0x320/0x3e0 [ 68.369693][ T422] vprintk_emit+0x37c/0x3e0 [ 68.369696][ T422] ? wake_up_klogd_work_func+0x90/0x90 [ 68.369699][ T422] ? __lock_acquire+0x518/0xc20 [ 68.369703][ T422] _printk+0xc7/0x100 [ 68.369707][ T422] ? snapshot_read.cold+0x21/0x21 [ 68.369710][ T422] ? do_raw_spin_lock+0x131/0x280 [ 68.369712][ T422] ? __rwlock_init+0x150/0x150 [ 68.369716][ T422] ? do_raw_spin_lock+0x131/0x280 [ 68.369719][ T422] do_exit.cold+0x82/0x9c [ 68.369723][ T422] ? exit_notify+0x890/0x890 [ 68.369724][ T422] ? __lock_release.isra.0+0x69/0x1a0 [ 68.369727][ T422] ? rcu_is_watching+0x16/0xd0 [ 68.369731][ T422] do_group_exit+0xb8/0x370 [ 68.369734][ T422] __x64_sys_exit_group+0x3c/0x50 [ 68.369736][ T422] x64_sys_call+0x1567/0x1570 [ 68.369738][ T422] do_syscall_64+0xff/0x530 [ 68.369742][ T422] ? exc_page_fault+0xee/0x100 [ 68.369745][ T422] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 68.369747][ T422] RIP: 0033:0x7f1cc29e21b8 [ 68.369750][ T422] Code: Unable to access opcode bytes at 0x7f1cc29e218e. [ 68.369751][ T422] RSP: 002b:00007ffe7b55e538 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 68.369753][ T422] RAX: ffffffffffffffda RBX: 00007f1cc2b12f88 RCX: 00007f1cc29e21b8 [ 68.369755][ T422] RDX: 00007f1cc2920e88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 68.369756][ T422] RBP: 00007ffe7b55e590 R08: 0000000000000000 R09: 0000000000000004 [ 68.369757][ T422] R10: 00007ffe7b55e3d0 R11: 0000000000000246 R12: 0000000000000001 [ 68.369757][ T422] R13: 0000000000000000 R14: 00007f1cc2b11680 R15: 00007f1cc2b12fa0 [ 68.369764][ T422]