[ 97.536523][ T2836] ping6 (2836) used greatest stack depth: 23744 bytes left [ 97.536547][ T2836] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 97.536550][ T2836] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2836, name: ping6 [ 97.536552][ T2836] preempt_count: 2, expected: 0 [ 97.536554][ T2836] RCU nest depth: 0, expected: 0 [ 97.536555][ T2836] locks held by ping6/2836: 5, last CPU#3: [ 97.536558][ T2836] #0: ffffffff9a0027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 97.536575][ T2836] #1: ffffffff9a169cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 97.536583][ T2836] #2: ffffffff9a169d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 97.536589][ T2836] #3: ffffffff9a089660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 97.536595][ T2836] #4: ffffffff9a089560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 97.536602][ T2836] irq event stamp: 19220 [ 97.536603][ T2836] hardirqs last enabled at (19219): [] __down_trylock_console_sem+0x86/0xa0 [ 97.536607][ T2836] hardirqs last disabled at (19220): [] console_emit_next_record+0x3d4/0x4c0 [ 97.536610][ T2836] softirqs last enabled at (18986): [] handle_softirqs+0x67c/0x900 [ 97.536612][ T2836] softirqs last disabled at (18395): [] __irq_exit_rcu+0x145/0x1c0 [ 97.536620][ T2836] Preemption disabled at: [ 97.536621][ T2836] [<0000000000000000>] 0x0 [ 97.536630][ T2836] CPU: 3 UID: 0 PID: 2836 Comm: ping6 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 97.536635][ T2836] Tainted: [W]=WARN [ 97.536636][ T2836] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 97.536638][ T2836] Call Trace: [ 97.536641][ T2836] [ 97.536643][ T2836] dump_stack_lvl+0x6f/0xa0 [ 97.536651][ T2836] __might_resched.cold+0x1fe/0x2c1 [ 97.536658][ T2836] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 97.536664][ T2836] ? __kmalloc_noprof+0xdb/0x760 [ 97.536672][ T2836] __kmalloc_noprof+0x443/0x760 [ 97.536676][ T2836] ? alloc_buf.isra.0+0x4b/0x260 [ 97.536685][ T2836] ? do_raw_spin_unlock+0x59/0x250 [ 97.536689][ T2836] alloc_buf.isra.0+0x4b/0x260 [ 97.536695][ T2836] put_chars+0x1e1/0x2f0 [ 97.536699][ T2836] ? __send_to_port+0x420/0x420 [ 97.536702][ T2836] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 97.536709][ T2836] ? validate_chain+0x38b/0xc20 [ 97.536718][ T2836] hvc_console_print+0x292/0x780 [ 97.536729][ T2836] ? hvc_write+0x3a0/0x3a0 [ 97.536733][ T2836] ? rcu_is_watching+0x16/0xd0 [ 97.536737][ T2836] ? lock_acquire+0x13c/0x160 [ 97.536744][ T2836] console_emit_next_record+0x22f/0x4c0 [ 97.536750][ T2836] ? devkmsg_read+0x4b0/0x4b0 [ 97.536753][ T2836] ? console_flush_one_record+0x106/0x710 [ 97.536759][ T2836] ? rcu_is_watching+0x16/0xd0 [ 97.536763][ T2836] ? lock_acquire+0x13c/0x160 [ 97.536770][ T2836] console_flush_one_record+0x46f/0x710 [ 97.536777][ T2836] ? console_emit_next_record+0x4c0/0x4c0 [ 97.536780][ T2836] ? __lock_acquire+0x518/0xc20 [ 97.536790][ T2836] console_unlock+0xee/0x1f0 [ 97.536794][ T2836] ? console_flush_one_record+0x710/0x710 [ 97.536797][ T2836] ? rcu_is_watching+0x16/0xd0 [ 97.536801][ T2836] ? lock_acquire+0x60/0x160 [ 97.536807][ T2836] ? __down_trylock_console_sem+0x5e/0xa0 [ 97.536810][ T2836] ? vprintk_emit+0x320/0x3e0 [ 97.536817][ T2836] vprintk_emit+0x37c/0x3e0 [ 97.536823][ T2836] ? wake_up_klogd_work_func+0x90/0x90 [ 97.536830][ T2836] ? __lock_acquire+0x518/0xc20 [ 97.536837][ T2836] _printk+0xc7/0x100 [ 97.536842][ T2836] ? snapshot_read.cold+0x21/0x21 [ 97.536847][ T2836] ? do_raw_spin_lock+0x131/0x280 [ 97.536851][ T2836] ? __rwlock_init+0x150/0x150 [ 97.536858][ T2836] ? do_raw_spin_lock+0x131/0x280 [ 97.536863][ T2836] do_exit.cold+0x82/0x9c [ 97.536869][ T2836] ? exit_notify+0x890/0x890 [ 97.536872][ T2836] ? __lock_release.isra.0+0x69/0x1a0 [ 97.536877][ T2836] ? rcu_is_watching+0x16/0xd0 [ 97.536885][ T2836] do_group_exit+0xb8/0x370 [ 97.536890][ T2836] __x64_sys_exit_group+0x3c/0x50 [ 97.536893][ T2836] x64_sys_call+0x1567/0x1570 [ 97.536896][ T2836] do_syscall_64+0xff/0x530 [ 97.536900][ T2836] ? exc_page_fault+0xee/0x100 [ 97.536905][ T2836] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 97.536909][ T2836] RIP: 0033:0x7f43f84e61b8 [ 97.536913][ T2836] Code: Unable to access opcode bytes at 0x7f43f84e618e. [ 97.536914][ T2836] RSP: 002b:00007fff7b53c058 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 97.536917][ T2836] RAX: ffffffffffffffda RBX: 00007f43f8616f88 RCX: 00007f43f84e61b8 [ 97.536919][ T2836] RDX: 00007f43f82777c8 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 97.536921][ T2836] RBP: 00007fff7b53c0b0 R08: 0000000000000000 R09: 0000000000001010 [ 97.536923][ T2836] R10: 00007fff7b53bed0 R11: 0000000000000246 R12: 0000000000000002 [ 97.536924][ T2836] R13: 0000000000000000 R14: 00007f43f8615680 R15: 00007f43f8616fa0 [ 97.536938][ T2836] [ 259.915655][ T8869] ping6 (8869) used greatest stack depth: 23344 bytes left [ 259.915677][ T8869] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 259.915680][ T8869] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 8869, name: ping6 [ 259.915681][ T8869] preempt_count: 2, expected: 0 [ 259.915683][ T8869] RCU nest depth: 0, expected: 0 [ 259.915684][ T8869] locks held by ping6/8869: 5, last CPU#0: [ 259.915686][ T8869] #0: ffffffff9a0027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 259.915700][ T8869] #1: ffffffff9a169cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 259.915707][ T8869] #2: ffffffff9a169d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 259.915711][ T8869] #3: ffffffff9a089660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 259.915716][ T8869] #4: ffffffff9a089560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 259.915721][ T8869] irq event stamp: 25212 [ 259.915721][ T8869] hardirqs last enabled at (25211): [] __down_trylock_console_sem+0x86/0xa0 [ 259.915725][ T8869] hardirqs last disabled at (25212): [] console_emit_next_record+0x3d4/0x4c0 [ 259.915727][ T8869] softirqs last enabled at (25052): [] handle_softirqs+0x67c/0x900 [ 259.915729][ T8869] softirqs last disabled at (25047): [] __irq_exit_rcu+0x145/0x1c0 [ 259.915737][ T8869] Preemption disabled at: [ 259.915737][ T8869] [<0000000000000000>] 0x0 [ 259.915745][ T8869] CPU: 0 UID: 0 PID: 8869 Comm: ping6 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 259.915749][ T8869] Tainted: [W]=WARN [ 259.915750][ T8869] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 259.915752][ T8869] Call Trace: [ 259.915754][ T8869] [ 259.915755][ T8869] dump_stack_lvl+0x6f/0xa0 [ 259.915762][ T8869] __might_resched.cold+0x1fe/0x2c1 [ 259.915767][ T8869] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 259.915771][ T8869] ? __kmalloc_noprof+0xdb/0x760 [ 259.915777][ T8869] __kmalloc_noprof+0x443/0x760 [ 259.915779][ T8869] ? alloc_buf.isra.0+0x4b/0x260 [ 259.915786][ T8869] ? do_raw_spin_unlock+0x59/0x250 [ 259.915789][ T8869] alloc_buf.isra.0+0x4b/0x260 [ 259.915792][ T8869] put_chars+0x1e1/0x2f0 [ 259.915795][ T8869] ? __send_to_port+0x420/0x420 [ 259.915796][ T8869] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 259.915801][ T8869] ? validate_chain+0x38b/0xc20 [ 259.915807][ T8869] hvc_console_print+0x292/0x780 [ 259.915813][ T8869] ? hvc_write+0x3a0/0x3a0 [ 259.915815][ T8869] ? rcu_is_watching+0x16/0xd0 [ 259.915818][ T8869] ? lock_acquire+0x13c/0x160 [ 259.915822][ T8869] console_emit_next_record+0x22f/0x4c0 [ 259.915826][ T8869] ? devkmsg_read+0x4b0/0x4b0 [ 259.915828][ T8869] ? console_flush_one_record+0x106/0x710 [ 259.915831][ T8869] ? rcu_is_watching+0x16/0xd0 [ 259.915834][ T8869] ? lock_acquire+0x13c/0x160 [ 259.915838][ T8869] console_flush_one_record+0x46f/0x710 [ 259.915843][ T8869] ? console_emit_next_record+0x4c0/0x4c0 [ 259.915845][ T8869] ? __lock_acquire+0x518/0xc20 [ 259.915851][ T8869] console_unlock+0xee/0x1f0 [ 259.915854][ T8869] ? console_flush_one_record+0x710/0x710 [ 259.915856][ T8869] ? rcu_is_watching+0x16/0xd0 [ 259.915859][ T8869] ? lock_acquire+0x60/0x160 [ 259.915863][ T8869] ? __down_trylock_console_sem+0x5e/0xa0 [ 259.915865][ T8869] ? vprintk_emit+0x320/0x3e0 [ 259.915869][ T8869] vprintk_emit+0x37c/0x3e0 [ 259.915873][ T8869] ? wake_up_klogd_work_func+0x90/0x90 [ 259.915877][ T8869] ? __lock_acquire+0x518/0xc20 [ 259.915882][ T8869] _printk+0xc7/0x100 [ 259.915886][ T8869] ? snapshot_read.cold+0x21/0x21 [ 259.915889][ T8869] ? do_raw_spin_lock+0x131/0x280 [ 259.915892][ T8869] ? __rwlock_init+0x150/0x150 [ 259.915896][ T8869] ? do_raw_spin_lock+0x131/0x280 [ 259.915899][ T8869] do_exit.cold+0x82/0x9c [ 259.915903][ T8869] ? exit_notify+0x890/0x890 [ 259.915906][ T8869] ? __lock_release.isra.0+0x69/0x1a0 [ 259.915908][ T8869] ? rcu_is_watching+0x16/0xd0 [ 259.915913][ T8869] do_group_exit+0xb8/0x370 [ 259.915916][ T8869] __x64_sys_exit_group+0x3c/0x50 [ 259.915918][ T8869] x64_sys_call+0x1567/0x1570 [ 259.915920][ T8869] do_syscall_64+0xff/0x530 [ 259.915923][ T8869] ? exc_page_fault+0xee/0x100 [ 259.915927][ T8869] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 259.915929][ T8869] RIP: 0033:0x7f2a133781b8 [ 259.915932][ T8869] Code: Unable to access opcode bytes at 0x7f2a1337818e. [ 259.915933][ T8869] RSP: 002b:00007ffe05224fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 259.915935][ T8869] RAX: ffffffffffffffda RBX: 00007f2a134a8f88 RCX: 00007f2a133781b8 [ 259.915937][ T8869] RDX: 00007f2a131097c8 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 259.915938][ T8869] RBP: 00007ffe05225040 R08: 0000000000000000 R09: 0000000000001010 [ 259.915939][ T8869] R10: 00007ffe05224e60 R11: 0000000000000246 R12: 0000000000000002 [ 259.915940][ T8869] R13: 0000000000000000 R14: 00007f2a134a7680 R15: 00007f2a134a8fa0 [ 259.915947][ T8869]