[ 11.198313][ T194] ip (194) used greatest stack depth: 24624 bytes left [ 11.198335][ T194] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.198338][ T194] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 194, name: ip [ 11.198340][ T194] preempt_count: 2, expected: 0 [ 11.198342][ T194] RCU nest depth: 0, expected: 0 [ 11.198343][ T194] locks held by ip/194: 5, last CPU#2: [ 11.198346][ T194] #0: ffffffffaf4167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 11.198360][ T194] #1: ffffffffaf57ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.198366][ T194] #2: ffffffffaf57de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.198373][ T194] #3: ffffffffaf49d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.198378][ T194] #4: ffffffffaf49d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.198385][ T194] irq event stamp: 24332 [ 11.198386][ T194] hardirqs last enabled at (24331): [] __down_trylock_console_sem+0x86/0xa0 [ 11.198390][ T194] hardirqs last disabled at (24332): [] console_emit_next_record+0x3d4/0x4c0 [ 11.198393][ T194] softirqs last enabled at (23866): [] handle_softirqs+0x67c/0x900 [ 11.198396][ T194] softirqs last disabled at (23859): [] __irq_exit_rcu+0x145/0x1c0 [ 11.198399][ T194] Preemption disabled at: [ 11.198400][ T194] [<0000000000000000>] 0x0 [ 11.198409][ T194] CPU: 2 UID: 0 PID: 194 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.198414][ T194] Tainted: [W]=WARN [ 11.198415][ T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.198417][ T194] Call Trace: [ 11.198419][ T194] [ 11.198422][ T194] dump_stack_lvl+0x6f/0xa0 [ 11.198430][ T194] __might_resched.cold+0x1fe/0x2c1 [ 11.198437][ T194] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.198442][ T194] ? __kmalloc_noprof+0xdb/0x760 [ 11.198449][ T194] __kmalloc_noprof+0x443/0x760 [ 11.198453][ T194] ? alloc_buf.isra.0+0x4b/0x260 [ 11.198463][ T194] ? do_raw_spin_unlock+0x59/0x250 [ 11.198466][ T194] alloc_buf.isra.0+0x4b/0x260 [ 11.198472][ T194] put_chars+0x1e1/0x2f0 [ 11.198476][ T194] ? __send_to_port+0x420/0x420 [ 11.198478][ T194] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.198484][ T194] ? validate_chain+0x38b/0xc20 [ 11.198494][ T194] hvc_console_print+0x292/0x780 [ 11.198506][ T194] ? hvc_write+0x3a0/0x3a0 [ 11.198510][ T194] ? rcu_is_watching+0x16/0xd0 [ 11.198513][ T194] ? lock_acquire+0x13c/0x160 [ 11.198520][ T194] console_emit_next_record+0x22f/0x4c0 [ 11.198527][ T194] ? devkmsg_read+0x4b0/0x4b0 [ 11.198529][ T194] ? console_flush_one_record+0x106/0x710 [ 11.198535][ T194] ? rcu_is_watching+0x16/0xd0 [ 11.198538][ T194] ? lock_acquire+0x13c/0x160 [ 11.198545][ T194] console_flush_one_record+0x46f/0x710 [ 11.198552][ T194] ? console_emit_next_record+0x4c0/0x4c0 [ 11.198555][ T194] ? __lock_acquire+0x518/0xc20 [ 11.198564][ T194] console_unlock+0xee/0x1f0 [ 11.198568][ T194] ? console_flush_one_record+0x710/0x710 [ 11.198571][ T194] ? rcu_is_watching+0x16/0xd0 [ 11.198574][ T194] ? lock_acquire+0xe0/0x160 [ 11.198581][ T194] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.198583][ T194] ? vprintk_emit+0x320/0x3e0 [ 11.198588][ T194] vprintk_emit+0x37c/0x3e0 [ 11.198594][ T194] ? wake_up_klogd_work_func+0x90/0x90 [ 11.198599][ T194] ? __lock_acquire+0x518/0xc20 [ 11.198605][ T194] _printk+0xc7/0x100 [ 11.198610][ T194] ? snapshot_read.cold+0x21/0x21 [ 11.198615][ T194] ? do_raw_spin_lock+0x131/0x280 [ 11.198619][ T194] ? __rwlock_init+0x150/0x150 [ 11.198625][ T194] ? do_raw_spin_lock+0x131/0x280 [ 11.198630][ T194] do_exit.cold+0x82/0x9c [ 11.198635][ T194] ? exit_notify+0x890/0x890 [ 11.198638][ T194] ? __lock_release.isra.0+0x69/0x1a0 [ 11.198642][ T194] ? rcu_is_watching+0x16/0xd0 [ 11.198649][ T194] do_group_exit+0xb8/0x370 [ 11.198654][ T194] __x64_sys_exit_group+0x3c/0x50 [ 11.198657][ T194] x64_sys_call+0x1567/0x1570 [ 11.198660][ T194] do_syscall_64+0xff/0x530 [ 11.198665][ T194] ? exc_page_fault+0xee/0x100 [ 11.198669][ T194] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.198673][ T194] RIP: 0033:0x7fc9445451b8 [ 11.198676][ T194] Code: Unable to access opcode bytes at 0x7fc94454518e. [ 11.198677][ T194] RSP: 002b:00007fffcab32d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.198681][ T194] RAX: ffffffffffffffda RBX: 00007fc944675f88 RCX: 00007fc9445451b8 [ 11.198683][ T194] RDX: 00007fc94428ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.198684][ T194] RBP: 00007fffcab32de0 R08: 0000000000000000 R09: 0000000000000050 [ 11.198685][ T194] R10: 00007fffcab32ba0 R11: 0000000000000246 R12: 0000000000000001 [ 11.198687][ T194] R13: 0000000000000000 R14: 00007fc944674680 R15: 00007fc944675fa0 [ 11.198700][ T194] [ 235.439939][ T288] tcp_fastopen_ba (288) used greatest stack depth: 24128 bytes left [ 235.439959][ T288] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 235.439962][ T288] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 288, name: tcp_fastopen_ba [ 235.439964][ T288] preempt_count: 2, expected: 0 [ 235.439965][ T288] RCU nest depth: 0, expected: 0 [ 235.439966][ T288] locks held by tcp_fastopen_ba/288: 5, last CPU#3: [ 235.439967][ T288] #0: ffffffffaf4167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 235.439980][ T288] #1: ffffffffaf57ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 235.439984][ T288] #2: ffffffffaf57de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 235.439989][ T288] #3: ffffffffaf49d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 235.439993][ T288] #4: ffffffffaf49d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 235.439997][ T288] irq event stamp: 16111344 [ 235.439998][ T288] hardirqs last enabled at (16111343): [] __down_trylock_console_sem+0x86/0xa0 [ 235.440001][ T288] hardirqs last disabled at (16111344): [] console_emit_next_record+0x3d4/0x4c0 [ 235.440003][ T288] softirqs last enabled at (16111198): [] handle_softirqs+0x67c/0x900 [ 235.440006][ T288] softirqs last disabled at (16110071): [] __irq_exit_rcu+0x145/0x1c0 [ 235.440008][ T288] Preemption disabled at: [ 235.440009][ T288] [<0000000000000000>] 0x0 [ 235.440016][ T288] CPU: 3 UID: 0 PID: 288 Comm: tcp_fastopen_ba Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 235.440019][ T288] Tainted: [W]=WARN [ 235.440020][ T288] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 235.440022][ T288] Call Trace: [ 235.440024][ T288] [ 235.440025][ T288] dump_stack_lvl+0x6f/0xa0 [ 235.440031][ T288] __might_resched.cold+0x1fe/0x2c1 [ 235.440036][ T288] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 235.440040][ T288] ? __kmalloc_noprof+0xdb/0x760 [ 235.440044][ T288] __kmalloc_noprof+0x443/0x760 [ 235.440046][ T288] ? alloc_buf.isra.0+0x4b/0x260 [ 235.440054][ T288] ? do_raw_spin_unlock+0x59/0x250 [ 235.440057][ T288] alloc_buf.isra.0+0x4b/0x260 [ 235.440060][ T288] put_chars+0x1e1/0x2f0 [ 235.440063][ T288] ? __send_to_port+0x420/0x420 [ 235.440064][ T288] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 235.440067][ T288] ? validate_chain+0x38b/0xc20 [ 235.440073][ T288] hvc_console_print+0x292/0x780 [ 235.440080][ T288] ? hvc_write+0x3a0/0x3a0 [ 235.440083][ T288] ? rcu_is_watching+0x16/0xd0 [ 235.440085][ T288] ? lock_acquire+0x13c/0x160 [ 235.440089][ T288] console_emit_next_record+0x22f/0x4c0 [ 235.440093][ T288] ? devkmsg_read+0x4b0/0x4b0 [ 235.440095][ T288] ? console_flush_one_record+0x106/0x710 [ 235.440098][ T288] ? rcu_is_watching+0x16/0xd0 [ 235.440100][ T288] ? lock_acquire+0x13c/0x160 [ 235.440104][ T288] console_flush_one_record+0x46f/0x710 [ 235.440108][ T288] ? console_emit_next_record+0x4c0/0x4c0 [ 235.440110][ T288] ? __lock_acquire+0x518/0xc20 [ 235.440115][ T288] console_unlock+0xee/0x1f0 [ 235.440118][ T288] ? console_flush_one_record+0x710/0x710 [ 235.440120][ T288] ? rcu_is_watching+0x16/0xd0 [ 235.440122][ T288] ? lock_acquire+0xe0/0x160 [ 235.440126][ T288] ? __down_trylock_console_sem+0x5e/0xa0 [ 235.440128][ T288] ? vprintk_emit+0x320/0x3e0 [ 235.440130][ T288] vprintk_emit+0x37c/0x3e0 [ 235.440133][ T288] ? wake_up_klogd_work_func+0x90/0x90 [ 235.440136][ T288] ? __lock_acquire+0x518/0xc20 [ 235.440140][ T288] _printk+0xc7/0x100 [ 235.440144][ T288] ? snapshot_read.cold+0x21/0x21 [ 235.440146][ T288] ? do_raw_spin_lock+0x131/0x280 [ 235.440149][ T288] ? __rwlock_init+0x150/0x150 [ 235.440153][ T288] ? do_raw_spin_lock+0x131/0x280 [ 235.440156][ T288] do_exit.cold+0x82/0x9c [ 235.440160][ T288] ? exit_notify+0x890/0x890 [ 235.440161][ T288] ? __lock_release.isra.0+0x69/0x1a0 [ 235.440164][ T288] ? rcu_is_watching+0x16/0xd0 [ 235.440167][ T288] do_group_exit+0xb8/0x370 [ 235.440170][ T288] __x64_sys_exit_group+0x3c/0x50 [ 235.440172][ T288] x64_sys_call+0x1567/0x1570 [ 235.440174][ T288] do_syscall_64+0xff/0x530 [ 235.440179][ T288] ? exc_page_fault+0xee/0x100 [ 235.440182][ T288] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 235.440184][ T288] RIP: 0033:0x7f54cbb131b8 [ 235.440186][ T288] Code: Unable to access opcode bytes at 0x7f54cbb1318e. [ 235.440187][ T288] RSP: 002b:00007ffc22b546f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 235.440190][ T288] RAX: ffffffffffffffda RBX: 00007f54cbc43f88 RCX: 00007f54cbb131b8 [ 235.440191][ T288] RDX: 00007f54cba50a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 235.440192][ T288] RBP: 00007ffc22b54750 R08: 0000000000000000 R09: 0000000000000005 [ 235.440193][ T288] R10: 00007ffc22b54590 R11: 0000000000000246 R12: 0000000000000001 [ 235.440194][ T288] R13: 0000000000000000 R14: 00007f54cbc42680 R15: 00007f54cbc43fa0 [ 235.440201][ T288]