[ 10.503892][ T209] ip (209) used greatest stack depth: 24096 bytes left [ 10.503910][ T209] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.503913][ T209] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 209, name: ip [ 10.503915][ T209] preempt_count: 2, expected: 0 [ 10.503916][ T209] RCU nest depth: 0, expected: 0 [ 10.503918][ T209] locks held by ip/209: 5, last CPU#3: [ 10.503920][ T209] #0: ffffffffb5e167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.503934][ T209] #1: ffffffffb5f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.503942][ T209] #2: ffffffffb5f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.503948][ T209] #3: ffffffffb5e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.503953][ T209] #4: ffffffffb5e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.503960][ T209] irq event stamp: 34178 [ 10.503961][ T209] hardirqs last enabled at (34177): [] __down_trylock_console_sem+0x86/0xa0 [ 10.503965][ T209] hardirqs last disabled at (34178): [] console_emit_next_record+0x3d4/0x4c0 [ 10.503968][ T209] softirqs last enabled at (34172): [] handle_softirqs+0x67c/0x900 [ 10.503972][ T209] softirqs last disabled at (34163): [] __irq_exit_rcu+0x145/0x1c0 [ 10.503975][ T209] Preemption disabled at: [ 10.503976][ T209] [<0000000000000000>] 0x0 [ 10.503985][ T209] CPU: 3 UID: 0 PID: 209 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.503990][ T209] Tainted: [W]=WARN [ 10.503991][ T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.503993][ T209] Call Trace: [ 10.503995][ T209] [ 10.503997][ T209] dump_stack_lvl+0x6f/0xa0 [ 10.504006][ T209] __might_resched.cold+0x1fe/0x2c1 [ 10.504011][ T209] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.504017][ T209] ? __kmalloc_noprof+0xdb/0x760 [ 10.504023][ T209] __kmalloc_noprof+0x443/0x760 [ 10.504027][ T209] ? alloc_buf.isra.0+0x4b/0x260 [ 10.504037][ T209] ? do_raw_spin_unlock+0x59/0x250 [ 10.504040][ T209] alloc_buf.isra.0+0x4b/0x260 [ 10.504046][ T209] put_chars+0x1e1/0x2f0 [ 10.504050][ T209] ? __send_to_port+0x420/0x420 [ 10.504052][ T209] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.504057][ T209] ? validate_chain+0x38b/0xc20 [ 10.504067][ T209] hvc_console_print+0x292/0x780 [ 10.504079][ T209] ? hvc_write+0x3a0/0x3a0 [ 10.504083][ T209] ? rcu_is_watching+0x16/0xd0 [ 10.504086][ T209] ? lock_acquire+0x13c/0x160 [ 10.504093][ T209] console_emit_next_record+0x22f/0x4c0 [ 10.504099][ T209] ? devkmsg_read+0x4b0/0x4b0 [ 10.504102][ T209] ? console_flush_one_record+0x106/0x710 [ 10.504107][ T209] ? rcu_is_watching+0x16/0xd0 [ 10.504110][ T209] ? lock_acquire+0x13c/0x160 [ 10.504117][ T209] console_flush_one_record+0x46f/0x710 [ 10.504124][ T209] ? console_emit_next_record+0x4c0/0x4c0 [ 10.504127][ T209] ? __lock_acquire+0x518/0xc20 [ 10.504136][ T209] console_unlock+0xee/0x1f0 [ 10.504140][ T209] ? console_flush_one_record+0x710/0x710 [ 10.504143][ T209] ? rcu_is_watching+0x16/0xd0 [ 10.504146][ T209] ? lock_acquire+0xe0/0x160 [ 10.504152][ T209] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.504155][ T209] ? vprintk_emit+0x320/0x3e0 [ 10.504159][ T209] vprintk_emit+0x37c/0x3e0 [ 10.504165][ T209] ? wake_up_klogd_work_func+0x90/0x90 [ 10.504170][ T209] ? __lock_acquire+0x518/0xc20 [ 10.504176][ T209] _printk+0xc7/0x100 [ 10.504181][ T209] ? snapshot_read.cold+0x21/0x21 [ 10.504185][ T209] ? do_raw_spin_lock+0x131/0x280 [ 10.504189][ T209] ? __rwlock_init+0x150/0x150 [ 10.504196][ T209] ? do_raw_spin_lock+0x131/0x280 [ 10.504200][ T209] do_exit.cold+0x82/0x9c [ 10.504205][ T209] ? exit_notify+0x890/0x890 [ 10.504207][ T209] ? __lock_release.isra.0+0x69/0x1a0 [ 10.504212][ T209] ? rcu_is_watching+0x16/0xd0 [ 10.504218][ T209] do_group_exit+0xb8/0x370 [ 10.504223][ T209] __x64_sys_exit_group+0x3c/0x50 [ 10.504226][ T209] x64_sys_call+0x1567/0x1570 [ 10.504230][ T209] do_syscall_64+0xff/0x530 [ 10.504234][ T209] ? exc_page_fault+0xee/0x100 [ 10.504239][ T209] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.504243][ T209] RIP: 0033:0x7f5ab62241b8 [ 10.504246][ T209] Code: Unable to access opcode bytes at 0x7f5ab622418e. [ 10.504247][ T209] RSP: 002b:00007ffc05b53148 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.504251][ T209] RAX: ffffffffffffffda RBX: 00007f5ab6354f88 RCX: 00007f5ab62241b8 [ 10.504253][ T209] RDX: 00007f5ab5f6efc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.504254][ T209] RBP: 00007ffc05b531a0 R08: 0000000000000000 R09: 0000000000008010 [ 10.504256][ T209] R10: 00007ffc05b52f60 R11: 0000000000000246 R12: 0000000000000001 [ 10.504257][ T209] R13: 0000000000000000 R14: 00007f5ab6353680 R15: 00007f5ab6354fa0 [ 10.504269][ T209] [ 20.131315][ T256] udpgso_bench_rx (256) used greatest stack depth: 24080 bytes left [ 20.131334][ T256] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 20.131336][ T256] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 256, name: udpgso_bench_rx [ 20.131338][ T256] preempt_count: 2, expected: 0 [ 20.131339][ T256] RCU nest depth: 0, expected: 0 [ 20.131340][ T256] locks held by udpgso_bench_rx/256: 5, last CPU#3: [ 20.131342][ T256] #0: ffffffffb5e167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 20.131358][ T256] #1: ffffffffb5f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 20.131364][ T256] #2: ffffffffb5f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 20.131368][ T256] #3: ffffffffb5e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 20.131372][ T256] #4: ffffffffb5e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 20.131376][ T256] irq event stamp: 38230 [ 20.131377][ T256] hardirqs last enabled at (38229): [] __down_trylock_console_sem+0x86/0xa0 [ 20.131381][ T256] hardirqs last disabled at (38230): [] console_emit_next_record+0x3d4/0x4c0 [ 20.131383][ T256] softirqs last enabled at (37790): [] handle_softirqs+0x67c/0x900 [ 20.131385][ T256] softirqs last disabled at (37785): [] __irq_exit_rcu+0x145/0x1c0 [ 20.131388][ T256] Preemption disabled at: [ 20.131389][ T256] [<0000000000000000>] 0x0 [ 20.131396][ T256] CPU: 3 UID: 0 PID: 256 Comm: udpgso_bench_rx Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 20.131399][ T256] Tainted: [W]=WARN [ 20.131400][ T256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.131402][ T256] Call Trace: [ 20.131403][ T256] [ 20.131405][ T256] dump_stack_lvl+0x6f/0xa0 [ 20.131412][ T256] __might_resched.cold+0x1fe/0x2c1 [ 20.131416][ T256] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 20.131420][ T256] ? __kmalloc_noprof+0xdb/0x760 [ 20.131425][ T256] __kmalloc_noprof+0x443/0x760 [ 20.131427][ T256] ? alloc_buf.isra.0+0x4b/0x260 [ 20.131433][ T256] ? do_raw_spin_unlock+0x59/0x250 [ 20.131436][ T256] alloc_buf.isra.0+0x4b/0x260 [ 20.131440][ T256] put_chars+0x1e1/0x2f0 [ 20.131442][ T256] ? __send_to_port+0x420/0x420 [ 20.131443][ T256] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 20.131447][ T256] ? validate_chain+0x38b/0xc20 [ 20.131453][ T256] hvc_console_print+0x292/0x780 [ 20.131461][ T256] ? hvc_write+0x3a0/0x3a0 [ 20.131464][ T256] ? rcu_is_watching+0x16/0xd0 [ 20.131466][ T256] ? lock_acquire+0x13c/0x160 [ 20.131470][ T256] console_emit_next_record+0x22f/0x4c0 [ 20.131474][ T256] ? devkmsg_read+0x4b0/0x4b0 [ 20.131476][ T256] ? console_flush_one_record+0x106/0x710 [ 20.131479][ T256] ? rcu_is_watching+0x16/0xd0 [ 20.131481][ T256] ? lock_acquire+0x13c/0x160 [ 20.131485][ T256] console_flush_one_record+0x46f/0x710 [ 20.131489][ T256] ? console_emit_next_record+0x4c0/0x4c0 [ 20.131491][ T256] ? __lock_acquire+0x518/0xc20 [ 20.131497][ T256] console_unlock+0xee/0x1f0 [ 20.131500][ T256] ? console_flush_one_record+0x710/0x710 [ 20.131501][ T256] ? rcu_is_watching+0x16/0xd0 [ 20.131503][ T256] ? lock_acquire+0xe0/0x160 [ 20.131507][ T256] ? __down_trylock_console_sem+0x5e/0xa0 [ 20.131509][ T256] ? vprintk_emit+0x320/0x3e0 [ 20.131512][ T256] vprintk_emit+0x37c/0x3e0 [ 20.131515][ T256] ? wake_up_klogd_work_func+0x90/0x90 [ 20.131518][ T256] ? __lock_acquire+0x518/0xc20 [ 20.131521][ T256] _printk+0xc7/0x100 [ 20.131525][ T256] ? snapshot_read.cold+0x21/0x21 [ 20.131528][ T256] ? do_raw_spin_lock+0x131/0x280 [ 20.131531][ T256] ? __rwlock_init+0x150/0x150 [ 20.131535][ T256] ? do_raw_spin_lock+0x131/0x280 [ 20.131538][ T256] do_exit.cold+0x82/0x9c [ 20.131541][ T256] ? exit_notify+0x890/0x890 [ 20.131543][ T256] ? __lock_release.isra.0+0x69/0x1a0 [ 20.131546][ T256] ? rcu_is_watching+0x16/0xd0 [ 20.131549][ T256] do_group_exit+0xb8/0x370 [ 20.131552][ T256] __x64_sys_exit_group+0x3c/0x50 [ 20.131554][ T256] x64_sys_call+0x1567/0x1570 [ 20.131557][ T256] do_syscall_64+0xff/0x530 [ 20.131561][ T256] ? exc_page_fault+0xee/0x100 [ 20.131564][ T256] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 20.131567][ T256] RIP: 0033:0x7f9942e5c1b8 [ 20.131569][ T256] Code: Unable to access opcode bytes at 0x7f9942e5c18e. [ 20.131570][ T256] RSP: 002b:00007ffe20dabe38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 20.131573][ T256] RAX: ffffffffffffffda RBX: 00007f9942f8cf88 RCX: 00007f9942e5c1b8 [ 20.131574][ T256] RDX: 00007f9942d99a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 20.131575][ T256] RBP: 00007ffe20dabe90 R08: 0000000000000000 R09: 0000000000000000 [ 20.131576][ T256] R10: 00007ffe20dabcd0 R11: 0000000000000246 R12: 0000000000000001 [ 20.131576][ T256] R13: 0000000000000000 R14: 00007f9942f8b680 R15: 00007f9942f8cfa0 [ 20.131584][ T256]