[ 9.905105][ T187] ip (187) used greatest stack depth: 24320 bytes left [ 9.905121][ T187] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.905123][ T187] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 187, name: ip [ 9.905125][ T187] preempt_count: 2, expected: 0 [ 9.905125][ T187] RCU nest depth: 0, expected: 0 [ 9.905126][ T187] locks held by ip/187: 5, last CPU#2: [ 9.905129][ T187] #0: ffffffff958027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.905142][ T187] #1: ffffffff95969cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.905147][ T187] #2: ffffffff95969d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.905150][ T187] #3: ffffffff95889660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.905154][ T187] #4: ffffffff95889560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.905158][ T187] irq event stamp: 56914 [ 9.905159][ T187] hardirqs last enabled at (56913): [] __down_trylock_console_sem+0x86/0xa0 [ 9.905161][ T187] hardirqs last disabled at (56914): [] console_emit_next_record+0x3d4/0x4c0 [ 9.905163][ T187] softirqs last enabled at (56908): [] handle_softirqs+0x67c/0x900 [ 9.905165][ T187] softirqs last disabled at (56181): [] __irq_exit_rcu+0x145/0x1c0 [ 9.905168][ T187] Preemption disabled at: [ 9.905168][ T187] [<0000000000000000>] 0x0 [ 9.905175][ T187] CPU: 2 UID: 0 PID: 187 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.905180][ T187] Tainted: [W]=WARN [ 9.905181][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.905183][ T187] Call Trace: [ 9.905185][ T187] [ 9.905186][ T187] dump_stack_lvl+0x6f/0xa0 [ 9.905193][ T187] __might_resched.cold+0x1fe/0x2c1 [ 9.905197][ T187] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.905201][ T187] ? __kmalloc_noprof+0xdb/0x760 [ 9.905206][ T187] __kmalloc_noprof+0x443/0x760 [ 9.905208][ T187] ? alloc_buf.isra.0+0x4b/0x260 [ 9.905214][ T187] ? do_raw_spin_unlock+0x59/0x250 [ 9.905217][ T187] alloc_buf.isra.0+0x4b/0x260 [ 9.905220][ T187] put_chars+0x1e1/0x2f0 [ 9.905222][ T187] ? __send_to_port+0x420/0x420 [ 9.905224][ T187] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.905228][ T187] ? validate_chain+0x38b/0xc20 [ 9.905233][ T187] hvc_console_print+0x292/0x780 [ 9.905239][ T187] ? hvc_write+0x3a0/0x3a0 [ 9.905242][ T187] ? rcu_is_watching+0x16/0xd0 [ 9.905244][ T187] ? lock_acquire+0x13c/0x160 [ 9.905248][ T187] console_emit_next_record+0x22f/0x4c0 [ 9.905252][ T187] ? devkmsg_read+0x4b0/0x4b0 [ 9.905253][ T187] ? console_flush_one_record+0x106/0x710 [ 9.905256][ T187] ? rcu_is_watching+0x16/0xd0 [ 9.905259][ T187] ? lock_acquire+0x13c/0x160 [ 9.905262][ T187] console_flush_one_record+0x46f/0x710 [ 9.905266][ T187] ? console_emit_next_record+0x4c0/0x4c0 [ 9.905268][ T187] ? __lock_acquire+0x518/0xc20 [ 9.905273][ T187] console_unlock+0xee/0x1f0 [ 9.905276][ T187] ? console_flush_one_record+0x710/0x710 [ 9.905278][ T187] ? rcu_is_watching+0x16/0xd0 [ 9.905280][ T187] ? lock_acquire+0x60/0x160 [ 9.905283][ T187] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.905285][ T187] ? vprintk_emit+0x320/0x3e0 [ 9.905288][ T187] vprintk_emit+0x37c/0x3e0 [ 9.905292][ T187] ? wake_up_klogd_work_func+0x90/0x90 [ 9.905295][ T187] ? __lock_acquire+0x518/0xc20 [ 9.905299][ T187] _printk+0xc7/0x100 [ 9.905303][ T187] ? snapshot_read.cold+0x21/0x21 [ 9.905305][ T187] ? do_raw_spin_lock+0x131/0x280 [ 9.905308][ T187] ? __rwlock_init+0x150/0x150 [ 9.905312][ T187] ? do_raw_spin_lock+0x131/0x280 [ 9.905314][ T187] do_exit.cold+0x82/0x9c [ 9.905318][ T187] ? exit_notify+0x890/0x890 [ 9.905320][ T187] ? __lock_release.isra.0+0x69/0x1a0 [ 9.905322][ T187] ? rcu_is_watching+0x16/0xd0 [ 9.905326][ T187] do_group_exit+0xb8/0x370 [ 9.905329][ T187] __x64_sys_exit_group+0x3c/0x50 [ 9.905331][ T187] x64_sys_call+0x1567/0x1570 [ 9.905333][ T187] do_syscall_64+0xff/0x530 [ 9.905336][ T187] ? exc_page_fault+0xee/0x100 [ 9.905339][ T187] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.905341][ T187] RIP: 0033:0x7f78a5b501b8 [ 9.905343][ T187] Code: Unable to access opcode bytes at 0x7f78a5b5018e. [ 9.905344][ T187] RSP: 002b:00007fff8905a7b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.905347][ T187] RAX: ffffffffffffffda RBX: 00007f78a5c80f88 RCX: 00007f78a5b501b8 [ 9.905348][ T187] RDX: 00007f78a589afc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.905349][ T187] RBP: 00007fff8905a810 R08: 0000000000000000 R09: 0000000000008010 [ 9.905350][ T187] R10: 00007fff8905a5d0 R11: 0000000000000246 R12: 0000000000000001 [ 9.905351][ T187] R13: 0000000000000000 R14: 00007f78a5c7f680 R15: 00007f78a5c80fa0 [ 9.905357][ T187] [ 10.076312][ T194] ip (194) used greatest stack depth: 24000 bytes left [ 133.709098][ T5321] ping6 (5321) used greatest stack depth: 23456 bytes left [ 133.709118][ T5321] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 133.709120][ T5321] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 5321, name: ping6 [ 133.709122][ T5321] preempt_count: 2, expected: 0 [ 133.709123][ T5321] RCU nest depth: 0, expected: 0 [ 133.709124][ T5321] locks held by ping6/5321: 5, last CPU#1: [ 133.709126][ T5321] #0: ffffffff958027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 133.709138][ T5321] #1: ffffffff95969cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 133.709144][ T5321] #2: ffffffff95969d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 133.709148][ T5321] #3: ffffffff95889660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 133.709152][ T5321] #4: ffffffff95889560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 133.709156][ T5321] irq event stamp: 23954 [ 133.709156][ T5321] hardirqs last enabled at (23953): [] __down_trylock_console_sem+0x86/0xa0 [ 133.709159][ T5321] hardirqs last disabled at (23954): [] console_emit_next_record+0x3d4/0x4c0 [ 133.709161][ T5321] softirqs last enabled at (23202): [] sk_common_release+0x16b/0x310 [ 133.709165][ T5321] softirqs last disabled at (23200): [] sk_common_release+0xc2/0x310 [ 133.709167][ T5321] Preemption disabled at: [ 133.709168][ T5321] [<0000000000000000>] 0x0 [ 133.709174][ T5321] CPU: 1 UID: 0 PID: 5321 Comm: ping6 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 133.709178][ T5321] Tainted: [W]=WARN [ 133.709179][ T5321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 133.709180][ T5321] Call Trace: [ 133.709182][ T5321] [ 133.709184][ T5321] dump_stack_lvl+0x6f/0xa0 [ 133.709190][ T5321] __might_resched.cold+0x1fe/0x2c1 [ 133.709194][ T5321] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 133.709198][ T5321] ? __kmalloc_noprof+0xdb/0x760 [ 133.709203][ T5321] __kmalloc_noprof+0x443/0x760 [ 133.709206][ T5321] ? alloc_buf.isra.0+0x4b/0x260 [ 133.709211][ T5321] ? do_raw_spin_unlock+0x59/0x250 [ 133.709214][ T5321] alloc_buf.isra.0+0x4b/0x260 [ 133.709217][ T5321] put_chars+0x1e1/0x2f0 [ 133.709220][ T5321] ? __send_to_port+0x420/0x420 [ 133.709221][ T5321] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 133.709226][ T5321] ? validate_chain+0x38b/0xc20 [ 133.709231][ T5321] hvc_console_print+0x292/0x780 [ 133.709237][ T5321] ? hvc_write+0x3a0/0x3a0 [ 133.709239][ T5321] ? rcu_is_watching+0x16/0xd0 [ 133.709241][ T5321] ? lock_acquire+0x13c/0x160 [ 133.709245][ T5321] console_emit_next_record+0x22f/0x4c0 [ 133.709249][ T5321] ? devkmsg_read+0x4b0/0x4b0 [ 133.709251][ T5321] ? console_flush_one_record+0x106/0x710 [ 133.709254][ T5321] ? rcu_is_watching+0x16/0xd0 [ 133.709256][ T5321] ? lock_acquire+0x13c/0x160 [ 133.709260][ T5321] console_flush_one_record+0x46f/0x710 [ 133.709264][ T5321] ? console_emit_next_record+0x4c0/0x4c0 [ 133.709265][ T5321] ? __lock_acquire+0x518/0xc20 [ 133.709270][ T5321] console_unlock+0xee/0x1f0 [ 133.709273][ T5321] ? console_flush_one_record+0x710/0x710 [ 133.709275][ T5321] ? rcu_is_watching+0x16/0xd0 [ 133.709277][ T5321] ? lock_acquire+0x60/0x160 [ 133.709280][ T5321] ? __down_trylock_console_sem+0x5e/0xa0 [ 133.709282][ T5321] ? vprintk_emit+0x320/0x3e0 [ 133.709285][ T5321] vprintk_emit+0x37c/0x3e0 [ 133.709289][ T5321] ? wake_up_klogd_work_func+0x90/0x90 [ 133.709292][ T5321] ? __lock_acquire+0x518/0xc20 [ 133.709296][ T5321] _printk+0xc7/0x100 [ 133.709299][ T5321] ? snapshot_read.cold+0x21/0x21 [ 133.709302][ T5321] ? do_raw_spin_lock+0x131/0x280 [ 133.709304][ T5321] ? __rwlock_init+0x150/0x150 [ 133.709308][ T5321] ? do_raw_spin_lock+0x131/0x280 [ 133.709311][ T5321] do_exit.cold+0x82/0x9c [ 133.709314][ T5321] ? exit_notify+0x890/0x890 [ 133.709316][ T5321] ? __lock_release.isra.0+0x69/0x1a0 [ 133.709319][ T5321] ? rcu_is_watching+0x16/0xd0 [ 133.709323][ T5321] do_group_exit+0xb8/0x370 [ 133.709325][ T5321] __x64_sys_exit_group+0x3c/0x50 [ 133.709327][ T5321] x64_sys_call+0x1567/0x1570 [ 133.709329][ T5321] do_syscall_64+0xff/0x530 [ 133.709332][ T5321] ? exc_page_fault+0xee/0x100 [ 133.709335][ T5321] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 133.709337][ T5321] RIP: 0033:0x7f0b46cdc1b8 [ 133.709339][ T5321] Code: Unable to access opcode bytes at 0x7f0b46cdc18e. [ 133.709341][ T5321] RSP: 002b:00007ffff7178a08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 133.709343][ T5321] RAX: ffffffffffffffda RBX: 00007f0b46e0cf88 RCX: 00007f0b46cdc1b8 [ 133.709344][ T5321] RDX: 00007f0b46a6d7c8 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 133.709345][ T5321] RBP: 00007ffff7178a60 R08: 0000000000000000 R09: 0000000000001010 [ 133.709346][ T5321] R10: 00007ffff7178880 R11: 0000000000000246 R12: 0000000000000002 [ 133.709347][ T5321] R13: 0000000000000000 R14: 00007f0b46e0b680 R15: 00007f0b46e0cfa0 [ 133.709354][ T5321]