[ 10.349605][ T202] ip (202) used greatest stack depth: 24176 bytes left [ 10.349624][ T202] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.349627][ T202] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 202, name: ip [ 10.349628][ T202] preempt_count: 2, expected: 0 [ 10.349629][ T202] RCU nest depth: 0, expected: 0 [ 10.349630][ T202] locks held by ip/202: 5, last CPU#2: [ 10.349633][ T202] #0: ffffffff8ec267b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.349646][ T202] #1: ffffffff8ed8dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.349651][ T202] #2: ffffffff8ed8dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.349655][ T202] #3: ffffffff8ecad660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.349659][ T202] #4: ffffffff8ecad560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.349663][ T202] irq event stamp: 22306 [ 10.349663][ T202] hardirqs last enabled at (22305): [] __down_trylock_console_sem+0x86/0xa0 [ 10.349666][ T202] hardirqs last disabled at (22306): [] console_emit_next_record+0x3d4/0x4c0 [ 10.349667][ T202] softirqs last enabled at (20738): [] netlink_release+0x17b/0xcf0 [ 10.349672][ T202] softirqs last disabled at (20736): [] netlink_release+0xd2/0xcf0 [ 10.349674][ T202] Preemption disabled at: [ 10.349675][ T202] [<0000000000000000>] 0x0 [ 10.349682][ T202] CPU: 2 UID: 0 PID: 202 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.349685][ T202] Tainted: [W]=WARN [ 10.349686][ T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.349688][ T202] Call Trace: [ 10.349690][ T202] [ 10.349691][ T202] dump_stack_lvl+0x6f/0xa0 [ 10.349697][ T202] __might_resched.cold+0x1fe/0x2c1 [ 10.349702][ T202] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.349705][ T202] ? __kmalloc_noprof+0xdb/0x760 [ 10.349710][ T202] __kmalloc_noprof+0x443/0x760 [ 10.349712][ T202] ? alloc_buf.isra.0+0x4b/0x260 [ 10.349718][ T202] ? do_raw_spin_unlock+0x59/0x250 [ 10.349721][ T202] alloc_buf.isra.0+0x4b/0x260 [ 10.349724][ T202] put_chars+0x1e1/0x2f0 [ 10.349727][ T202] ? __send_to_port+0x420/0x420 [ 10.349735][ T202] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.349739][ T202] ? validate_chain+0x38b/0xc20 [ 10.349745][ T202] hvc_console_print+0x292/0x780 [ 10.349752][ T202] ? hvc_write+0x3a0/0x3a0 [ 10.349754][ T202] ? rcu_is_watching+0x16/0xd0 [ 10.349757][ T202] ? lock_acquire+0x13c/0x160 [ 10.349760][ T202] console_emit_next_record+0x22f/0x4c0 [ 10.349764][ T202] ? devkmsg_read+0x4b0/0x4b0 [ 10.349766][ T202] ? console_flush_one_record+0x106/0x710 [ 10.349769][ T202] ? rcu_is_watching+0x16/0xd0 [ 10.349771][ T202] ? lock_acquire+0x13c/0x160 [ 10.349775][ T202] console_flush_one_record+0x46f/0x710 [ 10.349779][ T202] ? console_emit_next_record+0x4c0/0x4c0 [ 10.349780][ T202] ? __lock_acquire+0x518/0xc20 [ 10.349785][ T202] console_unlock+0xee/0x1f0 [ 10.349788][ T202] ? console_flush_one_record+0x710/0x710 [ 10.349790][ T202] ? rcu_is_watching+0x16/0xd0 [ 10.349792][ T202] ? lock_acquire+0x60/0x160 [ 10.349795][ T202] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.349797][ T202] ? vprintk_emit+0x320/0x3e0 [ 10.349800][ T202] vprintk_emit+0x37c/0x3e0 [ 10.349803][ T202] ? wake_up_klogd_work_func+0x90/0x90 [ 10.349807][ T202] ? __lock_acquire+0x518/0xc20 [ 10.349810][ T202] _printk+0xc7/0x100 [ 10.349814][ T202] ? snapshot_read.cold+0x21/0x21 [ 10.349817][ T202] ? do_raw_spin_lock+0x131/0x280 [ 10.349819][ T202] ? __rwlock_init+0x150/0x150 [ 10.349823][ T202] ? do_raw_spin_lock+0x131/0x280 [ 10.349825][ T202] do_exit.cold+0x82/0x9c [ 10.349829][ T202] ? exit_notify+0x890/0x890 [ 10.349830][ T202] ? __lock_release.isra.0+0x69/0x1a0 [ 10.349833][ T202] ? rcu_is_watching+0x16/0xd0 [ 10.349837][ T202] do_group_exit+0xb8/0x370 [ 10.349840][ T202] __x64_sys_exit_group+0x3c/0x50 [ 10.349843][ T202] x64_sys_call+0x1567/0x1570 [ 10.349845][ T202] do_syscall_64+0xff/0x530 [ 10.349848][ T202] ? exc_page_fault+0xee/0x100 [ 10.349852][ T202] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.349854][ T202] RIP: 0033:0x7f1e40eca1b8 [ 10.349856][ T202] Code: Unable to access opcode bytes at 0x7f1e40eca18e. [ 10.349858][ T202] RSP: 002b:00007fffde53f268 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.349860][ T202] RAX: ffffffffffffffda RBX: 00007f1e40ffaf88 RCX: 00007f1e40eca1b8 [ 10.349862][ T202] RDX: 00007f1e40c14fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.349863][ T202] RBP: 00007fffde53f2c0 R08: 0000000000000000 R09: 0000000000000050 [ 10.349864][ T202] R10: 00007fffde53f080 R11: 0000000000000246 R12: 0000000000000001 [ 10.349864][ T202] R13: 0000000000000000 R14: 00007f1e40ff9680 R15: 00007f1e40ffafa0 [ 10.349871][ T202] [ 38.290541][ T920] mptcp_connect (920) used greatest stack depth: 23728 bytes left [ 38.290563][ T920] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 38.290565][ T920] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 920, name: mptcp_connect [ 38.290567][ T920] preempt_count: 2, expected: 0 [ 38.290568][ T920] RCU nest depth: 0, expected: 0 [ 38.290569][ T920] locks held by mptcp_connect/920: 5, last CPU#2: [ 38.290571][ T920] #0: ffffffff8ec267b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 38.290584][ T920] #1: ffffffff8ed8dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 38.290590][ T920] #2: ffffffff8ed8dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 38.290594][ T920] #3: ffffffff8ecad660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 38.290597][ T920] #4: ffffffff8ecad560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 38.290601][ T920] irq event stamp: 72322 [ 38.290602][ T920] hardirqs last enabled at (72321): [] __down_trylock_console_sem+0x86/0xa0 [ 38.290605][ T920] hardirqs last disabled at (72322): [] console_emit_next_record+0x3d4/0x4c0 [ 38.290607][ T920] softirqs last enabled at (72070): [] handle_softirqs+0x67c/0x900 [ 38.290609][ T920] softirqs last disabled at (72063): [] __irq_exit_rcu+0x145/0x1c0 [ 38.290611][ T920] Preemption disabled at: [ 38.290612][ T920] [<0000000000000000>] 0x0 [ 38.290619][ T920] CPU: 2 UID: 0 PID: 920 Comm: mptcp_connect Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 38.290623][ T920] Tainted: [W]=WARN [ 38.290623][ T920] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.290625][ T920] Call Trace: [ 38.290627][ T920] [ 38.290629][ T920] dump_stack_lvl+0x6f/0xa0 [ 38.290635][ T920] __might_resched.cold+0x1fe/0x2c1 [ 38.290640][ T920] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 38.290644][ T920] ? __kmalloc_noprof+0xdb/0x760 [ 38.290649][ T920] __kmalloc_noprof+0x443/0x760 [ 38.290651][ T920] ? alloc_buf.isra.0+0x4b/0x260 [ 38.290658][ T920] ? do_raw_spin_unlock+0x59/0x250 [ 38.290660][ T920] alloc_buf.isra.0+0x4b/0x260 [ 38.290664][ T920] put_chars+0x1e1/0x2f0 [ 38.290667][ T920] ? __send_to_port+0x420/0x420 [ 38.290669][ T920] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 38.290674][ T920] ? validate_chain+0x38b/0xc20 [ 38.290679][ T920] hvc_console_print+0x292/0x780 [ 38.290686][ T920] ? hvc_write+0x3a0/0x3a0 [ 38.290689][ T920] ? rcu_is_watching+0x16/0xd0 [ 38.290691][ T920] ? lock_acquire+0x13c/0x160 [ 38.290695][ T920] console_emit_next_record+0x22f/0x4c0 [ 38.290699][ T920] ? devkmsg_read+0x4b0/0x4b0 [ 38.290701][ T920] ? console_flush_one_record+0x106/0x710 [ 38.290704][ T920] ? rcu_is_watching+0x16/0xd0 [ 38.290706][ T920] ? lock_acquire+0x13c/0x160 [ 38.290710][ T920] console_flush_one_record+0x46f/0x710 [ 38.290714][ T920] ? console_emit_next_record+0x4c0/0x4c0 [ 38.290716][ T920] ? __lock_acquire+0x518/0xc20 [ 38.290721][ T920] console_unlock+0xee/0x1f0 [ 38.290724][ T920] ? console_flush_one_record+0x710/0x710 [ 38.290725][ T920] ? rcu_is_watching+0x16/0xd0 [ 38.290728][ T920] ? lock_acquire+0x60/0x160 [ 38.290731][ T920] ? __down_trylock_console_sem+0x5e/0xa0 [ 38.290733][ T920] ? vprintk_emit+0x320/0x3e0 [ 38.290736][ T920] vprintk_emit+0x37c/0x3e0 [ 38.290740][ T920] ? wake_up_klogd_work_func+0x90/0x90 [ 38.290743][ T920] ? __lock_acquire+0x518/0xc20 [ 38.290746][ T920] _printk+0xc7/0x100 [ 38.290750][ T920] ? snapshot_read.cold+0x21/0x21 [ 38.290753][ T920] ? do_raw_spin_lock+0x131/0x280 [ 38.290756][ T920] ? __rwlock_init+0x150/0x150 [ 38.290759][ T920] ? do_raw_spin_lock+0x131/0x280 [ 38.290762][ T920] do_exit.cold+0x82/0x9c [ 38.290766][ T920] ? exit_notify+0x890/0x890 [ 38.290768][ T920] ? __lock_release.isra.0+0x69/0x1a0 [ 38.290770][ T920] ? rcu_is_watching+0x16/0xd0 [ 38.290774][ T920] do_group_exit+0xb8/0x370 [ 38.290778][ T920] __x64_sys_exit_group+0x3c/0x50 [ 38.290780][ T920] x64_sys_call+0x1567/0x1570 [ 38.290782][ T920] do_syscall_64+0xff/0x530 [ 38.290786][ T920] ? exc_page_fault+0xee/0x100 [ 38.290789][ T920] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 38.290792][ T920] RIP: 0033:0x7f89dcfd61b8 [ 38.290795][ T920] Code: Unable to access opcode bytes at 0x7f89dcfd618e. [ 38.290796][ T920] RSP: 002b:00007ffebfd7c4d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 38.290799][ T920] RAX: ffffffffffffffda RBX: 00007f89dd106f88 RCX: 00007f89dcfd61b8 [ 38.290800][ T920] RDX: 00007f89dcf13a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 38.290801][ T920] RBP: 00007ffebfd7c530 R08: 0000000000000000 R09: 0000000000000000 [ 38.290802][ T920] R10: 00007ffebfd7c370 R11: 0000000000000246 R12: 0000000000000001 [ 38.290803][ T920] R13: 0000000000000000 R14: 00007f89dd105680 R15: 00007f89dd106fa0 [ 38.290809][ T920] [ 73.991666][ T1492] mptcp_connect (1492) used greatest stack depth: 23336 bytes left [ 73.991690][ T1492] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 73.991693][ T1492] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1492, name: mptcp_connect [ 73.991694][ T1492] preempt_count: 2, expected: 0 [ 73.991695][ T1492] RCU nest depth: 0, expected: 0 [ 73.991696][ T1492] locks held by mptcp_connect/1492: 5, last CPU#0: [ 73.991699][ T1492] #0: ffffffff8ec267b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 73.991712][ T1492] #1: ffffffff8ed8dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 73.991717][ T1492] #2: ffffffff8ed8dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 73.991721][ T1492] #3: ffffffff8ecad660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 73.991724][ T1492] #4: ffffffff8ecad560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 73.991729][ T1492] irq event stamp: 666764 [ 73.991729][ T1492] hardirqs last enabled at (666763): [] __down_trylock_console_sem+0x86/0xa0 [ 73.991732][ T1492] hardirqs last disabled at (666764): [] console_emit_next_record+0x3d4/0x4c0 [ 73.991734][ T1492] softirqs last enabled at (666036): [] handle_softirqs+0x67c/0x900 [ 73.991736][ T1492] softirqs last disabled at (666011): [] __irq_exit_rcu+0x145/0x1c0 [ 73.991738][ T1492] Preemption disabled at: [ 73.991738][ T1492] [<0000000000000000>] 0x0 [ 73.991746][ T1492] CPU: 0 UID: 0 PID: 1492 Comm: mptcp_connect Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 73.991750][ T1492] Tainted: [W]=WARN [ 73.991751][ T1492] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 73.991753][ T1492] Call Trace: [ 73.991755][ T1492] [ 73.991756][ T1492] dump_stack_lvl+0x6f/0xa0 [ 73.991763][ T1492] __might_resched.cold+0x1fe/0x2c1 [ 73.991768][ T1492] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 73.991772][ T1492] ? __kmalloc_noprof+0xdb/0x760 [ 73.991777][ T1492] __kmalloc_noprof+0x443/0x760 [ 73.991779][ T1492] ? alloc_buf.isra.0+0x4b/0x260 [ 73.991785][ T1492] ? do_raw_spin_unlock+0x59/0x250 [ 73.991788][ T1492] alloc_buf.isra.0+0x4b/0x260 [ 73.991792][ T1492] put_chars+0x1e1/0x2f0 [ 73.991795][ T1492] ? __send_to_port+0x420/0x420 [ 73.991796][ T1492] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 73.991801][ T1492] ? validate_chain+0x38b/0xc20 [ 73.991806][ T1492] hvc_console_print+0x292/0x780 [ 73.991813][ T1492] ? hvc_write+0x3a0/0x3a0 [ 73.991816][ T1492] ? rcu_is_watching+0x16/0xd0 [ 73.991818][ T1492] ? lock_acquire+0x13c/0x160 [ 73.991821][ T1492] console_emit_next_record+0x22f/0x4c0 [ 73.991825][ T1492] ? devkmsg_read+0x4b0/0x4b0 [ 73.991827][ T1492] ? console_flush_one_record+0x106/0x710 [ 73.991830][ T1492] ? rcu_is_watching+0x16/0xd0 [ 73.991832][ T1492] ? lock_acquire+0x13c/0x160 [ 73.991835][ T1492] console_flush_one_record+0x46f/0x710 [ 73.991839][ T1492] ? console_emit_next_record+0x4c0/0x4c0 [ 73.991841][ T1492] ? __lock_acquire+0x518/0xc20 [ 73.991846][ T1492] console_unlock+0xee/0x1f0 [ 73.991849][ T1492] ? console_flush_one_record+0x710/0x710 [ 73.991850][ T1492] ? rcu_is_watching+0x16/0xd0 [ 73.991852][ T1492] ? lock_acquire+0x60/0x160 [ 73.991856][ T1492] ? __down_trylock_console_sem+0x5e/0xa0 [ 73.991857][ T1492] ? vprintk_emit+0x320/0x3e0 [ 73.991861][ T1492] vprintk_emit+0x37c/0x3e0 [ 73.991864][ T1492] ? wake_up_klogd_work_func+0x90/0x90 [ 73.991866][ T1492] ? do_raw_spin_unlock+0x59/0x250 [ 73.991869][ T1492] ? __lock_acquire+0x518/0xc20 [ 73.991872][ T1492] _printk+0xc7/0x100 [ 73.991876][ T1492] ? snapshot_read.cold+0x21/0x21 [ 73.991878][ T1492] ? do_raw_spin_lock+0x131/0x280 [ 73.991881][ T1492] ? __rwlock_init+0x150/0x150 [ 73.991884][ T1492] ? do_raw_spin_lock+0x131/0x280 [ 73.991887][ T1492] do_exit.cold+0x82/0x9c [ 73.991890][ T1492] ? exit_notify+0x890/0x890 [ 73.991892][ T1492] ? __lock_release.isra.0+0x69/0x1a0 [ 73.991895][ T1492] ? rcu_is_watching+0x16/0xd0 [ 73.991899][ T1492] do_group_exit+0xb8/0x370 [ 73.991902][ T1492] __x64_sys_exit_group+0x3c/0x50 [ 73.991904][ T1492] x64_sys_call+0x1567/0x1570 [ 73.991906][ T1492] do_syscall_64+0xff/0x530 [ 73.991910][ T1492] ? exc_page_fault+0xee/0x100 [ 73.991913][ T1492] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 73.991916][ T1492] RIP: 0033:0x7f61e3b501b8 [ 73.991919][ T1492] Code: Unable to access opcode bytes at 0x7f61e3b5018e. [ 73.991920][ T1492] RSP: 002b:00007ffe7614e1f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 73.991927][ T1492] RAX: ffffffffffffffda RBX: 00007f61e3c80f88 RCX: 00007f61e3b501b8 [ 73.991929][ T1492] RDX: 00007f61e3a8da48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 73.991930][ T1492] RBP: 00007ffe7614e250 R08: 0000000000000000 R09: 0000000000000000 [ 73.991931][ T1492] R10: 00007ffe7614e090 R11: 0000000000000246 R12: 0000000000000001 [ 73.991932][ T1492] R13: 0000000000000000 R14: 00007f61e3c7f680 R15: 00007f61e3c80fa0 [ 73.991939][ T1492] [ 101.213585][ T2245] mptcp_connect (2245) used greatest stack depth: 23080 bytes left [ 101.213608][ T2245] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 101.213610][ T2245] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2245, name: mptcp_connect [ 101.213612][ T2245] preempt_count: 2, expected: 0 [ 101.213613][ T2245] RCU nest depth: 0, expected: 0 [ 101.213614][ T2245] locks held by mptcp_connect/2245: 5, last CPU#2: [ 101.213616][ T2245] #0: ffffffff8ec267b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 101.213629][ T2245] #1: ffffffff8ed8dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 101.213635][ T2245] #2: ffffffff8ed8dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 101.213640][ T2245] #3: ffffffff8ecad660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 101.213643][ T2245] #4: ffffffff8ecad560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 101.213648][ T2245] irq event stamp: 563468 [ 101.213648][ T2245] hardirqs last enabled at (563467): [] __down_trylock_console_sem+0x86/0xa0 [ 101.213651][ T2245] hardirqs last disabled at (563468): [] console_emit_next_record+0x3d4/0x4c0 [ 101.213653][ T2245] softirqs last enabled at (563152): [] handle_softirqs+0x67c/0x900 [ 101.213655][ T2245] softirqs last disabled at (563147): [] __irq_exit_rcu+0x145/0x1c0 [ 101.213657][ T2245] Preemption disabled at: [ 101.213658][ T2245] [<0000000000000000>] 0x0 [ 101.213665][ T2245] CPU: 2 UID: 0 PID: 2245 Comm: mptcp_connect Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 101.213669][ T2245] Tainted: [W]=WARN [ 101.213670][ T2245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 101.213672][ T2245] Call Trace: [ 101.213674][ T2245] [ 101.213675][ T2245] dump_stack_lvl+0x6f/0xa0 [ 101.213682][ T2245] __might_resched.cold+0x1fe/0x2c1 [ 101.213687][ T2245] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 101.213691][ T2245] ? __kmalloc_noprof+0xdb/0x760 [ 101.213696][ T2245] __kmalloc_noprof+0x443/0x760 [ 101.213698][ T2245] ? alloc_buf.isra.0+0x4b/0x260 [ 101.213705][ T2245] ? do_raw_spin_unlock+0x59/0x250 [ 101.213708][ T2245] alloc_buf.isra.0+0x4b/0x260 [ 101.213712][ T2245] put_chars+0x1e1/0x2f0 [ 101.213715][ T2245] ? __send_to_port+0x420/0x420 [ 101.213717][ T2245] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 101.213722][ T2245] ? validate_chain+0x38b/0xc20 [ 101.213727][ T2245] hvc_console_print+0x292/0x780 [ 101.213735][ T2245] ? hvc_write+0x3a0/0x3a0 [ 101.213738][ T2245] ? rcu_is_watching+0x16/0xd0 [ 101.213740][ T2245] ? lock_acquire+0x13c/0x160 [ 101.213744][ T2245] console_emit_next_record+0x22f/0x4c0 [ 101.213748][ T2245] ? devkmsg_read+0x4b0/0x4b0 [ 101.213749][ T2245] ? console_flush_one_record+0x106/0x710 [ 101.213753][ T2245] ? rcu_is_watching+0x16/0xd0 [ 101.213755][ T2245] ? lock_acquire+0x13c/0x160 [ 101.213759][ T2245] console_flush_one_record+0x46f/0x710 [ 101.213763][ T2245] ? console_emit_next_record+0x4c0/0x4c0 [ 101.213765][ T2245] ? __lock_acquire+0x518/0xc20 [ 101.213770][ T2245] console_unlock+0xee/0x1f0 [ 101.213773][ T2245] ? console_flush_one_record+0x710/0x710 [ 101.213774][ T2245] ? rcu_is_watching+0x16/0xd0 [ 101.213777][ T2245] ? lock_acquire+0x60/0x160 [ 101.213780][ T2245] ? __down_trylock_console_sem+0x5e/0xa0 [ 101.213782][ T2245] ? vprintk_emit+0x320/0x3e0 [ 101.213785][ T2245] vprintk_emit+0x37c/0x3e0 [ 101.213789][ T2245] ? wake_up_klogd_work_func+0x90/0x90 [ 101.213791][ T2245] ? do_raw_spin_unlock+0x59/0x250 [ 101.213793][ T2245] ? __lock_acquire+0x518/0xc20 [ 101.213797][ T2245] _printk+0xc7/0x100 [ 101.213801][ T2245] ? snapshot_read.cold+0x21/0x21 [ 101.213804][ T2245] ? do_raw_spin_lock+0x131/0x280 [ 101.213806][ T2245] ? __rwlock_init+0x150/0x150 [ 101.213810][ T2245] ? do_raw_spin_lock+0x131/0x280 [ 101.213813][ T2245] do_exit.cold+0x82/0x9c [ 101.213817][ T2245] ? exit_notify+0x890/0x890 [ 101.213819][ T2245] ? __lock_release.isra.0+0x69/0x1a0 [ 101.213821][ T2245] ? rcu_is_watching+0x16/0xd0 [ 101.213825][ T2245] do_group_exit+0xb8/0x370 [ 101.213829][ T2245] __x64_sys_exit_group+0x3c/0x50 [ 101.213831][ T2245] x64_sys_call+0x1567/0x1570 [ 101.213833][ T2245] do_syscall_64+0xff/0x530 [ 101.213837][ T2245] ? exc_page_fault+0xee/0x100 [ 101.213840][ T2245] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 101.213843][ T2245] RIP: 0033:0x7ffa0a3d81b8 [ 101.213845][ T2245] Code: Unable to access opcode bytes at 0x7ffa0a3d818e. [ 101.213847][ T2245] RSP: 002b:00007ffedee7f078 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 101.213849][ T2245] RAX: ffffffffffffffda RBX: 00007ffa0a508f88 RCX: 00007ffa0a3d81b8 [ 101.213851][ T2245] RDX: 00007ffa0a315a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 101.213851][ T2245] RBP: 00007ffedee7f0d0 R08: 0000000000000000 R09: 0000000000000000 [ 101.213852][ T2245] R10: 00007ffedee7ef10 R11: 0000000000000246 R12: 0000000000000001 [ 101.213853][ T2245] R13: 0000000000000000 R14: 00007ffa0a507680 R15: 00007ffa0a508fa0 [ 101.213860][ T2245] [ 126.043399][ C0] clocksource: Watchdog remote CPU 2 read timed out [ 126.053451][ C0] [ 126.053454][ C0] ======================================================== [ 126.053455][ C0] WARNING: possible irq lock inversion dependency detected [ 126.053458][ C0] 7.2.0-virtme #1 Tainted: G W [ 126.053459][ C0] -------------------------------------------------------- [ 126.053460][ C0] mptcp_connect.s/3417 just changed the state of lock: [ 126.053461][ C0] ffffffff8ecad660 (console_owner){..-.}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 126.053474][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 126.053475][ C0] (fs_reclaim){+.+.}-{0:0} [ 126.053477][ C0] [ 126.053477][ C0] [ 126.053477][ C0] and interrupts could create inverse lock ordering between them. [ 126.053477][ C0] [ 126.053478][ C0] [ 126.053478][ C0] other info that might help us debug this: [ 126.053478][ C0] Possible interrupt unsafe locking scenario: [ 126.053478][ C0] [ 126.053479][ C0] CPU0 CPU1 [ 126.053480][ C0] ---- ---- [ 126.053480][ C0] lock(fs_reclaim); [ 126.053481][ C0] local_irq_disable(); [ 126.053482][ C0] lock(console_owner); [ 126.053483][ C0] lock(fs_reclaim); [ 126.053484][ C0] [ 126.053484][ C0] lock(console_owner); [ 126.053485][ C0] [ 126.053485][ C0] *** DEADLOCK *** [ 126.053485][ C0] [ 126.053486][ C0] locks held by mptcp_connect.s/3417: 4, last CPU#0: [ 126.053487][ C0] #0: ffa0000000007c90 ((&watchdog_timer)){+.-.}-{0:0}, at: call_timer_fn+0x110/0x4d0 [ 126.053493][ C0] #1: ffffffff8edf28b8 (watchdog_lock){+.-.}-{3:3}, at: clocksource_watchdog+0x15/0x30 [ 126.053497][ C0] #2: ffffffff8ed8dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 126.053501][ C0] #3: ffffffff8ed8dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 126.053504][ C0] [ 126.053504][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 126.053508][ C0] -> (fs_reclaim){+.+.}-{0:0} { [ 126.053510][ C0] HARDIRQ-ON-W at: [ 126.053512][ C0] __lock_acquire+0x388/0xc20 [ 126.053515][ C0] lock_acquire.part.0+0xd4/0x280 [ 126.053516][ C0] fs_reclaim_acquire+0xd5/0x120 [ 126.053519][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 126.053522][ C0] kthread_create_worker_on_node+0xea/0x210 [ 126.053524][ C0] workqueue_init+0x2a/0x680 [ 126.053528][ C0] kernel_init_freeable+0x2fe/0x630 [ 126.053530][ C0] kernel_init+0x21/0x150 [ 126.053534][ C0] ret_from_fork+0x474/0x6b0 [ 126.053538][ C0] ret_from_fork_asm+0x11/0x20 [ 126.053541][ C0] SOFTIRQ-ON-W at: [ 126.053542][ C0] __lock_acquire+0x388/0xc20 [ 126.053543][ C0] lock_acquire.part.0+0xd4/0x280 [ 126.053544][ C0] fs_reclaim_acquire+0xd5/0x120 [ 126.053546][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 126.053547][ C0] kthread_create_worker_on_node+0xea/0x210 [ 126.053549][ C0] workqueue_init+0x2a/0x680 [ 126.053550][ C0] kernel_init_freeable+0x2fe/0x630 [ 126.053551][ C0] kernel_init+0x21/0x150 [ 126.053553][ C0] ret_from_fork+0x474/0x6b0 [ 126.053554][ C0] ret_from_fork_asm+0x11/0x20 [ 126.053555][ C0] INITIAL USE at: [ 126.053556][ C0] __lock_acquire+0x388/0xc20 [ 126.053558][ C0] lock_acquire.part.0+0xd4/0x280 [ 126.053559][ C0] fs_reclaim_acquire+0xd5/0x120 [ 126.053560][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 126.053562][ C0] kthread_create_worker_on_node+0xea/0x210 [ 126.053563][ C0] workqueue_init+0x2a/0x680 [ 126.053564][ C0] kernel_init_freeable+0x2fe/0x630 [ 126.053565][ C0] kernel_init+0x21/0x150 [ 126.053567][ C0] ret_from_fork+0x474/0x6b0 [ 126.053569][ C0] ret_from_fork_asm+0x11/0x20 [ 126.053570][ C0] } [ 126.053570][ C0] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 126.053574][ C0] ... acquired at: [ 126.053575][ C0] __lock_acquire+0x518/0xc20 [ 126.053577][ C0] lock_acquire.part.0+0xd4/0x280 [ 126.053578][ C0] fs_reclaim_acquire+0xd5/0x120 [ 126.053579][ C0] __kmalloc_noprof+0xd3/0x760 [ 126.053581][ C0] alloc_buf.isra.0+0x4b/0x260 [ 126.053584][ C0] put_chars+0x1e1/0x2f0 [ 126.053586][ C0] hvc_console_print+0x292/0x780 [ 126.053589][ C0] console_emit_next_record+0x22f/0x4c0 [ 126.053591][ C0] console_flush_one_record+0x46f/0x710 [ 126.053592][ C0] console_unlock+0xee/0x1f0 [ 126.053594][ C0] vprintk_emit+0x37c/0x3e0 [ 126.053595][ C0] _printk+0xc7/0x100 [ 126.053598][ C0] dm_interface_init+0x50/0x60 [ 126.053600][ C0] dm_init+0x51/0xd0 [ 126.053601][ C0] do_one_initcall+0x124/0x4f0 [ 126.053602][ C0] kernel_init_freeable+0x596/0x630 [ 126.053603][ C0] kernel_init+0x21/0x150 [ 126.053605][ C0] ret_from_fork+0x474/0x6b0 [ 126.053607][ C0] ret_from_fork_asm+0x11/0x20 [ 126.053608][ C0] [ 126.053608][ C0] -> (console_owner){..-.}-{0:0} { [ 126.053610][ C0] IN-SOFTIRQ-W at: [ 126.053611][ C0] __lock_acquire+0x388/0xc20 [ 126.053612][ C0] lock_acquire.part.0+0xd4/0x280 [ 126.053613][ C0] console_lock_spinning_enable+0x5c/0x60 [ 126.053615][ C0] console_emit_next_record+0x1d1/0x4c0 [ 126.053616][ C0] console_flush_one_record+0x46f/0x710 [ 126.053618][ C0] console_unlock+0xee/0x1f0 [ 126.053619][ C0] vprintk_emit+0x37c/0x3e0 [ 126.053621][ C0] _printk+0xc7/0x100 [ 126.053622][ C0] clocksource_watchdog.part.0.cold+0x105/0x1dd [ 126.053625][ C0] call_timer_fn+0x160/0x4d0 [ 126.053626][ C0] __run_timers+0x68f/0xaa0 [ 126.053628][ C0] run_timer_softirq+0xf0/0x160 [ 126.053629][ C0] handle_softirqs+0x1d3/0x900 [ 126.053632][ C0] __irq_exit_rcu+0x145/0x1c0 [ 126.053633][ C0] irq_exit_rcu+0xe/0x30 [ 126.053634][ C0] common_interrupt+0xb5/0xf0 [ 126.053636][ C0] asm_common_interrupt+0x26/0x40 [ 126.053638][ C0] _raw_spin_unlock_irqrestore+0x36/0x80 [ 126.053640][ C0] free_percpu.part.0+0x5f7/0xc70 [ 126.053643][ C0] __mmdrop+0xbb/0x430 [ 126.053646][ C0] finish_task_switch.isra.0+0x6c4/0xa70 [ 126.053649][ C0] schedule_tail+0x13/0xe0 [ 126.053651][ C0] ret_from_fork+0x71/0x6b0 [ 126.053652][ C0] ret_from_fork_asm+0x11/0x20 [ 126.053654][ C0] INITIAL USE at: [ 126.053655][ C0] } [ 126.053655][ C0] ... key at: [] console_owner_dep_map+0x0/0x60 [ 126.053658][ C0] ... acquired at: [ 126.053658][ C0] mark_lock+0x1d7/0xa00 [ 126.053660][ C0] mark_usage+0x42/0x170 [ 126.053661][ C0] __lock_acquire+0x388/0xc20 [ 126.053662][ C0] lock_acquire.part.0+0xd4/0x280 [ 126.053664][ C0] console_lock_spinning_enable+0x5c/0x60 [ 126.053665][ C0] console_emit_next_record+0x1d1/0x4c0 [ 126.053666][ C0] console_flush_one_record+0x46f/0x710 [ 126.053668][ C0] console_unlock+0xee/0x1f0 [ 126.053669][ C0] vprintk_emit+0x37c/0x3e0 [ 126.053671][ C0] _printk+0xc7/0x100 [ 126.053672][ C0] clocksource_watchdog.part.0.cold+0x105/0x1dd [ 126.053673][ C0] call_timer_fn+0x160/0x4d0 [ 126.053674][ C0] __run_timers+0x68f/0xaa0 [ 126.053676][ C0] run_timer_softirq+0xf0/0x160 [ 126.053677][ C0] handle_softirqs+0x1d3/0x900 [ 126.053678][ C0] __irq_exit_rcu+0x145/0x1c0 [ 126.053679][ C0] irq_exit_rcu+0xe/0x30 [ 126.053680][ C0] common_interrupt+0xb5/0xf0 [ 126.053682][ C0] asm_common_interrupt+0x26/0x40 [ 126.053683][ C0] _raw_spin_unlock_irqrestore+0x36/0x80 [ 126.053684][ C0] free_percpu.part.0+0x5f7/0xc70 [ 126.053686][ C0] __mmdrop+0xbb/0x430 [ 126.053687][ C0] finish_task_switch.isra.0+0x6c4/0xa70 [ 126.053689][ C0] schedule_tail+0x13/0xe0 [ 126.053691][ C0] ret_from_fork+0x71/0x6b0 [ 126.053692][ C0] ret_from_fork_asm+0x11/0x20 [ 126.053693][ C0] [ 126.053694][ C0] [ 126.053694][ C0] stack backtrace: [ 126.053697][ C0] CPU: 0 UID: 0 PID: 3417 Comm: mptcp_connect.s Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 126.053701][ C0] Tainted: [W]=WARN [ 126.053702][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 126.053703][ C0] Call Trace: [ 126.053705][ C0] [ 126.053708][ C0] dump_stack_lvl+0x6f/0xa0 [ 126.053712][ C0] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 126.053715][ C0] mark_lock_irq+0x989/0x9c0 [ 126.053716][ C0] ? add_lock_to_list+0x2c/0x1a0 [ 126.053719][ C0] mark_lock+0x1d7/0xa00 [ 126.053721][ C0] mark_usage+0x42/0x170 [ 126.053722][ C0] __lock_acquire+0x388/0xc20 [ 126.053724][ C0] lock_acquire.part.0+0xd4/0x280 [ 126.053726][ C0] ? console_lock_spinning_enable+0x40/0x60 [ 126.053728][ C0] ? rcu_is_watching+0x16/0xd0 [ 126.053731][ C0] ? lock_acquire+0x13c/0x160 [ 126.053733][ C0] console_lock_spinning_enable+0x5c/0x60 [ 126.053734][ C0] ? console_lock_spinning_enable+0x40/0x60 [ 126.053736][ C0] console_emit_next_record+0x1d1/0x4c0 [ 126.053738][ C0] ? devkmsg_read+0x4b0/0x4b0 [ 126.053739][ C0] ? console_flush_one_record+0x106/0x710 [ 126.053741][ C0] ? rcu_is_watching+0x16/0xd0 [ 126.053743][ C0] ? lock_acquire+0x13c/0x160 [ 126.053745][ C0] console_flush_one_record+0x46f/0x710 [ 126.053747][ C0] ? console_emit_next_record+0x4c0/0x4c0 [ 126.053749][ C0] ? __lock_acquire+0x518/0xc20 [ 126.053750][ C0] ? insn_get_modrm+0x98b/0xb40 [ 126.053753][ C0] console_unlock+0xee/0x1f0 [ 126.053755][ C0] ? console_flush_one_record+0x710/0x710 [ 126.053756][ C0] ? rcu_is_watching+0x16/0xd0 [ 126.053758][ C0] ? lock_acquire+0x60/0x160 [ 126.053760][ C0] ? __down_trylock_console_sem+0x5e/0xa0 [ 126.053761][ C0] ? vprintk_emit+0x320/0x3e0 [ 126.053763][ C0] vprintk_emit+0x37c/0x3e0 [ 126.053765][ C0] ? wake_up_klogd_work_func+0x90/0x90 [ 126.053768][ C0] ? clocksource_watchdog.part.0+0x450/0x540 [ 126.053769][ C0] _printk+0xc7/0x100 [ 126.053771][ C0] ? snapshot_read.cold+0x21/0x21 [ 126.053773][ C0] ? clocksource_watchdog.part.0+0x450/0x540 [ 126.053775][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 126.053777][ C0] clocksource_watchdog.part.0.cold+0x105/0x1dd [ 126.053778][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 126.053780][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 126.053781][ C0] call_timer_fn+0x160/0x4d0 [ 126.053783][ C0] ? detach_if_pending+0x1d0/0x1d0 [ 126.053785][ C0] ? debug_object_active_state+0x430/0x430 [ 126.053788][ C0] ? find_held_lock+0x2b/0x80 [ 126.053791][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 126.053792][ C0] ? rcu_is_watching+0x16/0xd0 [ 126.053794][ C0] __run_timers+0x68f/0xaa0 [ 126.053796][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 126.053798][ C0] ? __bpf_trace_itimer_expire+0x10/0x10 [ 126.053800][ C0] ? __lock_acquire+0x518/0xc20 [ 126.053803][ C0] ? __rwlock_init+0x150/0x150 [ 126.053805][ C0] run_timer_softirq+0xf0/0x160 [ 126.053807][ C0] ? __run_timers+0xaa0/0xaa0 [ 126.053808][ C0] ? handle_softirqs+0x19c/0x900 [ 126.053810][ C0] ? rcu_is_watching+0x16/0xd0 [ 126.053811][ C0] handle_softirqs+0x1d3/0x900 [ 126.053813][ C0] ? _local_bh_enable+0xc0/0xc0 [ 126.053814][ C0] ? do_raw_spin_unlock+0x59/0x250 [ 126.053817][ C0] __irq_exit_rcu+0x145/0x1c0 [ 126.053818][ C0] irq_exit_rcu+0xe/0x30 [ 126.053819][ C0] common_interrupt+0xb5/0xf0 [ 126.053821][ C0] [ 126.053822][ C0] [ 126.053823][ C0] asm_common_interrupt+0x26/0x40 [ 126.053824][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x36/0x80 [ 126.053827][ C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 c1 2f af fd 48 89 df e8 c9 85 af fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 70 4f a1 fd 65 48 83 3d af db 0d 02 00 74 12 5b [ 126.053829][ C0] RSP: 0018:ffa00000026d7d80 EFLAGS: 00000246 [ 126.053831][ C0] RAX: 0000000000000086 RBX: ffffffff8ef6c320 RCX: ffffffff8de63483 [ 126.053833][ C0] RDX: ff11000008fa46c0 RSI: ffffffff8e8575f8 RDI: ffffffff8e28d8e0 [ 126.053834][ C0] RBP: 0000000000000246 R08: 0000000000000000 R09: 0000000000000000 [ 126.053835][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 00c0ffff61527de0 [ 126.053836][ C0] R13: 0000000000000000 R14: ff11000005945b80 R15: 0000000000000246 [ 126.053837][ C0] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 126.053840][ C0] free_percpu.part.0+0x5f7/0xc70 [ 126.053843][ C0] __mmdrop+0xbb/0x430 [ 126.053845][ C0] ? rcu_is_watching+0x16/0xd0 [ 126.053847][ C0] finish_task_switch.isra.0+0x6c4/0xa70 [ 126.053850][ C0] schedule_tail+0x13/0xe0 [ 126.053851][ C0] ret_from_fork+0x71/0x6b0 [ 126.053854][ C0] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 126.053856][ C0] ? __switch_to+0x5a3/0xe00 [ 126.053859][ C0] ret_from_fork_asm+0x11/0x20 [ 126.053862][ C0] [ 126.053867][ C0] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 126.053869][ C0] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 3417, name: mptcp_connect.s [ 126.053870][ C0] preempt_count: 104, expected: 0 [ 126.053871][ C0] RCU nest depth: 0, expected: 0 [ 126.053873][ C0] INFO: lockdep is turned off. [ 126.053873][ C0] irq event stamp: 10097 [ 126.053874][ C0] hardirqs last enabled at (10096): [] irqentry_exit+0x21c/0x790 [ 126.053878][ C0] hardirqs last disabled at (10097): [] console_emit_next_record+0x3d4/0x4c0 [ 126.053881][ C0] softirqs last enabled at (6970): [] handle_softirqs+0x67c/0x900 [ 126.053882][ C0] softirqs last disabled at (6973): [] __irq_exit_rcu+0x145/0x1c0 [ 126.053884][ C0] Preemption disabled at: [ 126.053884][ C0] [<0000000000000000>] 0x0 [ 126.053888][ C0] CPU: 0 UID: 0 PID: 3417 Comm: mptcp_connect.s Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 126.053890][ C0] Tainted: [W]=WARN [ 126.053891][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 126.053891][ C0] Call Trace: [ 126.053892][ C0] [ 126.053893][ C0] dump_stack_lvl+0x6f/0xa0 [ 126.053895][ C0] __might_resched.cold+0x1fe/0x2c1 [ 126.053898][ C0] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 126.053900][ C0] ? rcu_is_watching+0x16/0xd0 [ 126.053902][ C0] __kmalloc_noprof+0x443/0x760 [ 126.053904][ C0] ? __rwlock_init+0x150/0x150 [ 126.053905][ C0] ? alloc_buf.isra.0+0x4b/0x260 [ 126.053908][ C0] ? do_raw_spin_unlock+0x59/0x250 [ 126.053909][ C0] alloc_buf.isra.0+0x4b/0x260 [ 126.053912][ C0] put_chars+0x1e1/0x2f0 [ 126.053915][ C0] ? __send_to_port+0x420/0x420 [ 126.053917][ C0] ? mark_lock+0x1d7/0xa00 [ 126.053919][ C0] hvc_console_print+0x292/0x780 [ 126.053923][ C0] ? hvc_write+0x3a0/0x3a0 [ 126.053925][ C0] ? rcu_is_watching+0x16/0xd0 [ 126.053926][ C0] ? rcu_is_watching+0x16/0xd0 [ 126.053929][ C0] console_emit_next_record+0x22f/0x4c0 [ 126.053931][ C0] ? devkmsg_read+0x4b0/0x4b0 [ 126.053933][ C0] ? console_flush_one_record+0x106/0x710 [ 126.053935][ C0] ? rcu_is_watching+0x16/0xd0 [ 126.053936][ C0] ? lock_acquire+0x13c/0x160 [ 126.053938][ C0] console_flush_one_record+0x46f/0x710 [ 126.053940][ C0] ? console_emit_next_record+0x4c0/0x4c0 [ 126.053942][ C0] ? __lock_acquire+0x518/0xc20 [ 126.053943][ C0] ? insn_get_modrm+0x98b/0xb40 [ 126.053945][ C0] console_unlock+0xee/0x1f0 [ 126.053948][ C0] ? console_flush_one_record+0x710/0x710 [ 126.053949][ C0] ? rcu_is_watching+0x16/0xd0 [ 126.053951][ C0] ? lock_acquire+0x60/0x160 [ 126.053953][ C0] ? __down_trylock_console_sem+0x5e/0xa0 [ 126.053954][ C0] ? vprintk_emit+0x320/0x3e0 [ 126.053956][ C0] vprintk_emit+0x37c/0x3e0 [ 126.053958][ C0] ? wake_up_klogd_work_func+0x90/0x90 [ 126.053961][ C0] ? clocksource_watchdog.part.0+0x450/0x540 [ 126.053962][ C0] _printk+0xc7/0x100 [ 126.053964][ C0] ? snapshot_read.cold+0x21/0x21 [ 126.053966][ C0] ? clocksource_watchdog.part.0+0x450/0x540 [ 126.053968][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 126.053970][ C0] clocksource_watchdog.part.0.cold+0x105/0x1dd [ 126.053972][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 126.053973][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 126.053975][ C0] call_timer_fn+0x160/0x4d0 [ 126.053976][ C0] ? detach_if_pending+0x1d0/0x1d0 [ 126.053978][ C0] ? debug_object_active_state+0x430/0x430 [ 126.053979][ C0] ? find_held_lock+0x2b/0x80 [ 126.053982][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 126.053983][ C0] ? rcu_is_watching+0x16/0xd0 [ 126.053986][ C0] __run_timers+0x68f/0xaa0 [ 126.053987][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 126.053990][ C0] ? __bpf_trace_itimer_expire+0x10/0x10 [ 126.053991][ C0] ? __lock_acquire+0x518/0xc20 [ 126.053994][ C0] ? __rwlock_init+0x150/0x150 [ 126.053996][ C0] run_timer_softirq+0xf0/0x160 [ 126.053998][ C0] ? __run_timers+0xaa0/0xaa0 [ 126.054000][ C0] ? handle_softirqs+0x19c/0x900 [ 126.054001][ C0] ? rcu_is_watching+0x16/0xd0 [ 126.054003][ C0] handle_softirqs+0x1d3/0x900 [ 126.054005][ C0] ? _local_bh_enable+0xc0/0xc0 [ 126.054006][ C0] ? do_raw_spin_unlock+0x59/0x250 [ 126.054008][ C0] __irq_exit_rcu+0x145/0x1c0 [ 126.054010][ C0] irq_exit_rcu+0xe/0x30 [ 126.054011][ C0] common_interrupt+0xb5/0xf0 [ 126.054013][ C0] [ 126.054013][ C0] [ 126.054014][ C0] asm_common_interrupt+0x26/0x40 [ 126.054015][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x36/0x80 [ 126.054017][ C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 c1 2f af fd 48 89 df e8 c9 85 af fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 70 4f a1 fd 65 48 83 3d af db 0d 02 00 74 12 5b [ 126.054019][ C0] RSP: 0018:ffa00000026d7d80 EFLAGS: 00000246 [ 126.054020][ C0] RAX: 0000000000000086 RBX: ffffffff8ef6c320 RCX: ffffffff8de63483 [ 126.054021][ C0] RDX: ff11000008fa46c0 RSI: ffffffff8e8575f8 RDI: ffffffff8e28d8e0 [ 126.054022][ C0] RBP: 0000000000000246 R08: 0000000000000000 R09: 0000000000000000 [ 126.054022][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 00c0ffff61527de0 [ 126.054023][ C0] R13: 0000000000000000 R14: ff11000005945b80 R15: 0000000000000246 [ 126.054025][ C0] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 126.054027][ C0] free_percpu.part.0+0x5f7/0xc70 [ 126.054030][ C0] __mmdrop+0xbb/0x430 [ 126.054032][ C0] ? rcu_is_watching+0x16/0xd0 [ 126.054034][ C0] finish_task_switch.isra.0+0x6c4/0xa70 [ 126.054037][ C0] schedule_tail+0x13/0xe0 [ 126.054038][ C0] ret_from_fork+0x71/0x6b0 [ 126.054041][ C0] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 126.054043][ C0] ? __switch_to+0x5a3/0xe00 [ 126.054045][ C0] ret_from_fork_asm+0x11/0x20 [ 126.054048][ C0]