[ 10.005980][ T187] ip (187) used greatest stack depth: 24352 bytes left [ 10.005996][ T187] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.005998][ T187] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 187, name: ip [ 10.006000][ T187] preempt_count: 2, expected: 0 [ 10.006001][ T187] RCU nest depth: 0, expected: 0 [ 10.006002][ T187] locks held by ip/187: 5, last CPU#1: [ 10.006004][ T187] #0: ffffffff9fc027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.006017][ T187] #1: ffffffff9fd69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.006023][ T187] #2: ffffffff9fd69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.006027][ T187] #3: ffffffff9fc89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.006031][ T187] #4: ffffffff9fc89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.006035][ T187] irq event stamp: 33032 [ 10.006036][ T187] hardirqs last enabled at (33031): [] __down_trylock_console_sem+0x86/0xa0 [ 10.006038][ T187] hardirqs last disabled at (33032): [] console_emit_next_record+0x3d4/0x4c0 [ 10.006040][ T187] softirqs last enabled at (31998): [] handle_softirqs+0x67c/0x900 [ 10.006042][ T187] softirqs last disabled at (31993): [] __irq_exit_rcu+0x145/0x1c0 [ 10.006044][ T187] Preemption disabled at: [ 10.006045][ T187] [<0000000000000000>] 0x0 [ 10.006052][ T187] CPU: 1 UID: 0 PID: 187 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.006055][ T187] Tainted: [W]=WARN [ 10.006056][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.006058][ T187] Call Trace: [ 10.006060][ T187] [ 10.006061][ T187] dump_stack_lvl+0x6f/0xa0 [ 10.006068][ T187] __might_resched.cold+0x1fe/0x2c1 [ 10.006072][ T187] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.006077][ T187] ? __kmalloc_noprof+0xdb/0x760 [ 10.006082][ T187] __kmalloc_noprof+0x443/0x760 [ 10.006084][ T187] ? alloc_buf.isra.0+0x4b/0x260 [ 10.006090][ T187] ? do_raw_spin_unlock+0x59/0x250 [ 10.006093][ T187] alloc_buf.isra.0+0x4b/0x260 [ 10.006096][ T187] put_chars+0x1e1/0x2f0 [ 10.006099][ T187] ? __send_to_port+0x420/0x420 [ 10.006100][ T187] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.006105][ T187] ? validate_chain+0x38b/0xc20 [ 10.006110][ T187] hvc_console_print+0x292/0x780 [ 10.006117][ T187] ? hvc_write+0x3a0/0x3a0 [ 10.006119][ T187] ? rcu_is_watching+0x16/0xd0 [ 10.006121][ T187] ? lock_acquire+0x13c/0x160 [ 10.006126][ T187] console_emit_next_record+0x22f/0x4c0 [ 10.006130][ T187] ? devkmsg_read+0x4b0/0x4b0 [ 10.006131][ T187] ? console_flush_one_record+0x106/0x710 [ 10.006135][ T187] ? rcu_is_watching+0x16/0xd0 [ 10.006137][ T187] ? lock_acquire+0x13c/0x160 [ 10.006141][ T187] console_flush_one_record+0x46f/0x710 [ 10.006145][ T187] ? console_emit_next_record+0x4c0/0x4c0 [ 10.006147][ T187] ? __lock_acquire+0x518/0xc20 [ 10.006153][ T187] console_unlock+0xee/0x1f0 [ 10.006156][ T187] ? console_flush_one_record+0x710/0x710 [ 10.006158][ T187] ? rcu_is_watching+0x16/0xd0 [ 10.006160][ T187] ? lock_acquire+0x60/0x160 [ 10.006164][ T187] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.006165][ T187] ? vprintk_emit+0x320/0x3e0 [ 10.006169][ T187] vprintk_emit+0x37c/0x3e0 [ 10.006173][ T187] ? wake_up_klogd_work_func+0x90/0x90 [ 10.006176][ T187] ? __lock_acquire+0x518/0xc20 [ 10.006180][ T187] _printk+0xc7/0x100 [ 10.006184][ T187] ? snapshot_read.cold+0x21/0x21 [ 10.006187][ T187] ? do_raw_spin_lock+0x131/0x280 [ 10.006190][ T187] ? __rwlock_init+0x150/0x150 [ 10.006194][ T187] ? do_raw_spin_lock+0x131/0x280 [ 10.006197][ T187] do_exit.cold+0x82/0x9c [ 10.006200][ T187] ? exit_notify+0x890/0x890 [ 10.006203][ T187] ? __lock_release.isra.0+0x69/0x1a0 [ 10.006205][ T187] ? rcu_is_watching+0x16/0xd0 [ 10.006210][ T187] do_group_exit+0xb8/0x370 [ 10.006212][ T187] __x64_sys_exit_group+0x3c/0x50 [ 10.006214][ T187] x64_sys_call+0x1567/0x1570 [ 10.006217][ T187] do_syscall_64+0xff/0x530 [ 10.006220][ T187] ? exc_page_fault+0xee/0x100 [ 10.006223][ T187] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.006226][ T187] RIP: 0033:0x7f8c38b961b8 [ 10.006228][ T187] Code: Unable to access opcode bytes at 0x7f8c38b9618e. [ 10.006229][ T187] RSP: 002b:00007ffe0ef65718 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.006231][ T187] RAX: ffffffffffffffda RBX: 00007f8c38cc6f88 RCX: 00007f8c38b961b8 [ 10.006233][ T187] RDX: 00007f8c388e0fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.006234][ T187] RBP: 00007ffe0ef65770 R08: 0000000000000000 R09: 0000000000008010 [ 10.006234][ T187] R10: 00007ffe0ef65530 R11: 0000000000000246 R12: 0000000000000001 [ 10.006235][ T187] R13: 0000000000000000 R14: 00007f8c38cc5680 R15: 00007f8c38cc6fa0 [ 10.006242][ T187] [ 12.759658][ T291] 8021q: 802.1Q VLAN Support v1.8 [ 12.759676][ T291] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.759679][ T291] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 291, name: modprobe [ 12.759681][ T291] preempt_count: 1, expected: 0 [ 12.759682][ T291] RCU nest depth: 0, expected: 0 [ 12.759683][ T291] locks held by modprobe/291: 4, last CPU#2: [ 12.759686][ T291] #0: ffffffff9fd69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.759698][ T291] #1: ffffffff9fd69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.759703][ T291] #2: ffffffff9fc89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.759707][ T291] #3: ffffffff9fc89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.759711][ T291] irq event stamp: 21962 [ 12.759712][ T291] hardirqs last enabled at (21961): [] __down_trylock_console_sem+0x86/0xa0 [ 12.759714][ T291] hardirqs last disabled at (21962): [] console_emit_next_record+0x3d4/0x4c0 [ 12.759716][ T291] softirqs last enabled at (18812): [] handle_softirqs+0x67c/0x900 [ 12.759719][ T291] softirqs last disabled at (18805): [] __irq_exit_rcu+0x145/0x1c0 [ 12.759721][ T291] Preemption disabled at: [ 12.759722][ T291] [] vprintk_emit+0x31b/0x3e0 [ 12.759728][ T291] CPU: 2 UID: 0 PID: 291 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.759731][ T291] Tainted: [W]=WARN [ 12.759732][ T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.759734][ T291] Call Trace: [ 12.759736][ T291] [ 12.759737][ T291] dump_stack_lvl+0x6f/0xa0 [ 12.759743][ T291] ? vprintk_emit+0x31b/0x3e0 [ 12.759745][ T291] __might_resched.cold+0x1fe/0x2c1 [ 12.759749][ T291] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.759754][ T291] ? __kmalloc_noprof+0xdb/0x760 [ 12.759759][ T291] __kmalloc_noprof+0x443/0x760 [ 12.759761][ T291] ? alloc_buf.isra.0+0x4b/0x260 [ 12.759767][ T291] ? do_raw_spin_unlock+0x59/0x250 [ 12.759770][ T291] alloc_buf.isra.0+0x4b/0x260 [ 12.759773][ T291] put_chars+0x1e1/0x2f0 [ 12.759776][ T291] ? __send_to_port+0x420/0x420 [ 12.759778][ T291] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.759782][ T291] ? rcu_read_lock_any_held+0x3c/0x90 [ 12.759785][ T291] ? validate_chain+0x38b/0xc20 [ 12.759789][ T291] hvc_console_print+0x292/0x780 [ 12.759792][ T291] ? __lock_acquire+0x518/0xc20 [ 12.759797][ T291] ? hvc_write+0x3a0/0x3a0 [ 12.759800][ T291] ? rcu_is_watching+0x16/0xd0 [ 12.759805][ T291] console_emit_next_record+0x22f/0x4c0 [ 12.759809][ T291] ? devkmsg_read+0x4b0/0x4b0 [ 12.759811][ T291] ? console_flush_one_record+0x106/0x710 [ 12.759814][ T291] ? rcu_is_watching+0x16/0xd0 [ 12.759816][ T291] ? lock_acquire+0x13c/0x160 [ 12.759820][ T291] console_flush_one_record+0x46f/0x710 [ 12.759824][ T291] ? console_emit_next_record+0x4c0/0x4c0 [ 12.759826][ T291] ? __lock_acquire+0x518/0xc20 [ 12.759831][ T291] console_unlock+0xee/0x1f0 [ 12.759834][ T291] ? console_flush_one_record+0x710/0x710 [ 12.759836][ T291] ? rcu_is_watching+0x16/0xd0 [ 12.759839][ T291] ? lock_acquire+0x60/0x160 [ 12.759842][ T291] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.759844][ T291] ? vprintk_emit+0x320/0x3e0 [ 12.759847][ T291] vprintk_emit+0x37c/0x3e0 [ 12.759851][ T291] ? wake_up_klogd_work_func+0x90/0x90 [ 12.759857][ T291] ? vlan_netlink_fini+0x960/0x960 [8021q] [ 12.759861][ T291] _printk+0xc7/0x100 [ 12.759865][ T291] ? snapshot_read.cold+0x21/0x21 [ 12.759872][ T291] ? do_one_initcall+0x113/0x4f0 [ 12.759875][ T291] vlan_proto_init+0x24/0x90 [8021q] [ 12.759878][ T291] do_one_initcall+0x124/0x4f0 [ 12.759881][ T291] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 12.759885][ T291] ? do_init_module+0xae/0x8a0 [ 12.759888][ T291] ? kasan_unpoison+0x44/0x70 [ 12.759893][ T291] do_init_module+0x2ad/0x8a0 [ 12.759897][ T291] ? lockdep_hardirqs_on+0x91/0x130 [ 12.759902][ T291] ? free_module+0x470/0x470 [ 12.759905][ T291] ? kfree+0x123/0x590 [ 12.759909][ T291] load_module+0x1424/0x1bb0 [ 12.759917][ T291] ? layout_and_allocate.isra.0+0x680/0x680 [ 12.759921][ T291] ? __ia32_sys_fsconfig+0x180/0x180 [ 12.759923][ T291] ? ovl_real_file+0x172/0x1e0 [ 12.759927][ T291] ? backing_file_read_iter+0x541/0x790 [ 12.759930][ T291] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.759934][ T291] init_module_from_file+0x11f/0x1a0 [ 12.759938][ T291] ? __do_sys_init_module+0x220/0x220 [ 12.759946][ T291] ? __rwlock_init+0x150/0x150 [ 12.759949][ T291] ? do_raw_spin_unlock+0x59/0x250 [ 12.759953][ T291] idempotent_init_module+0x37b/0x7c0 [ 12.759956][ T291] ? init_module_from_file+0x1a0/0x1a0 [ 12.759962][ T291] ? rcu_is_watching+0x16/0xd0 [ 12.759965][ T291] ? cap_capable+0x1d7/0x3d0 [ 12.759971][ T291] __x64_sys_finit_module+0xdf/0x190 [ 12.759973][ T291] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 12.759976][ T291] do_syscall_64+0xff/0x530 [ 12.759978][ T291] ? exc_page_fault+0xee/0x100 [ 12.759981][ T291] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.759983][ T291] RIP: 0033:0x7fe5bcb7e37d [ 12.759987][ T291] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 [ 12.759989][ T291] RSP: 002b:00007ffe3d49f788 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 12.759991][ T291] RAX: ffffffffffffffda RBX: 00005654c627d810 RCX: 00007fe5bcb7e37d [ 12.759993][ T291] RDX: 0000000000000000 RSI: 00005654bf467ffd RDI: 0000000000000000 [ 12.759994][ T291] RBP: 00007ffe3d49f820 R08: 0000000000000000 R09: 0000000000000000 [ 12.759995][ T291] R10: 0000000000000000 R11: 0000000000000246 R12: 00005654bf467ffd [ 12.759996][ T291] R13: 00005654c627d960 R14: 0000000000040000 R15: 0000000000000000 [ 12.760002][ T291] [ 12.952047][ T298] gre: GRE over IPv4 demultiplexer driver [ 12.979469][ T298] ip6_gre: GRE over IPv6 tunneling driver [ 13.139449][ T301] ip (301) used greatest stack depth: 24344 bytes left [ 19.998050][ T390] GACT probability NOT on [ 19.998066][ T390] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 19.998069][ T390] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 390, name: modprobe [ 19.998071][ T390] preempt_count: 1, expected: 0 [ 19.998071][ T390] RCU nest depth: 0, expected: 0 [ 19.998072][ T390] locks held by modprobe/390: 4, last CPU#2: [ 19.998075][ T390] #0: ffffffff9fd69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 19.998087][ T390] #1: ffffffff9fd69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 19.998092][ T390] #2: ffffffff9fc89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 19.998096][ T390] #3: ffffffff9fc89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 19.998100][ T390] irq event stamp: 20694 [ 19.998101][ T390] hardirqs last enabled at (20693): [] __down_trylock_console_sem+0x86/0xa0 [ 19.998104][ T390] hardirqs last disabled at (20694): [] console_emit_next_record+0x3d4/0x4c0 [ 19.998106][ T390] softirqs last enabled at (16402): [] handle_softirqs+0x67c/0x900 [ 19.998109][ T390] softirqs last disabled at (16115): [] __irq_exit_rcu+0x145/0x1c0 [ 19.998112][ T390] Preemption disabled at: [ 19.998112][ T390] [] vprintk_emit+0x31b/0x3e0 [ 19.998119][ T390] CPU: 2 UID: 0 PID: 390 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 19.998122][ T390] Tainted: [W]=WARN [ 19.998123][ T390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.998125][ T390] Call Trace: [ 19.998126][ T390] [ 19.998128][ T390] dump_stack_lvl+0x6f/0xa0 [ 19.998133][ T390] ? vprintk_emit+0x31b/0x3e0 [ 19.998136][ T390] __might_resched.cold+0x1fe/0x2c1 [ 19.998140][ T390] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 19.998145][ T390] ? __kmalloc_noprof+0xdb/0x760 [ 19.998150][ T390] __kmalloc_noprof+0x443/0x760 [ 19.998152][ T390] ? alloc_buf.isra.0+0x4b/0x260 [ 19.998158][ T390] ? do_raw_spin_unlock+0x59/0x250 [ 19.998161][ T390] alloc_buf.isra.0+0x4b/0x260 [ 19.998164][ T390] put_chars+0x1e1/0x2f0 [ 19.998166][ T390] ? desc_read_finalized_seq+0x79/0x120 [ 19.998168][ T390] ? __send_to_port+0x420/0x420 [ 19.998171][ T390] ? rcu_read_lock_any_held+0x3c/0x90 [ 19.998175][ T390] ? validate_chain+0x38b/0xc20 [ 19.998179][ T390] hvc_console_print+0x292/0x780 [ 19.998182][ T390] ? __lock_acquire+0x518/0xc20 [ 19.998183][ T390] ? __lock_acquire+0x518/0xc20 [ 19.998188][ T390] ? hvc_write+0x3a0/0x3a0 [ 19.998189][ T390] ? console_emit_next_record+0x1df/0x4c0 [ 19.998193][ T390] ? rcu_is_watching+0x16/0xd0 [ 19.998196][ T390] ? lock_acquire+0x13c/0x160 [ 19.998200][ T390] console_emit_next_record+0x22f/0x4c0 [ 19.998204][ T390] ? devkmsg_read+0x4b0/0x4b0 [ 19.998206][ T390] ? console_flush_one_record+0x106/0x710 [ 19.998209][ T390] ? rcu_is_watching+0x16/0xd0 [ 19.998211][ T390] ? lock_acquire+0x13c/0x160 [ 19.998215][ T390] console_flush_one_record+0x46f/0x710 [ 19.998219][ T390] ? console_emit_next_record+0x4c0/0x4c0 [ 19.998221][ T390] ? __lock_acquire+0x518/0xc20 [ 19.998226][ T390] console_unlock+0xee/0x1f0 [ 19.998229][ T390] ? console_flush_one_record+0x710/0x710 [ 19.998231][ T390] ? rcu_is_watching+0x16/0xd0 [ 19.998234][ T390] ? lock_acquire+0x60/0x160 [ 19.998237][ T390] ? __down_trylock_console_sem+0x5e/0xa0 [ 19.998239][ T390] ? vprintk_emit+0x320/0x3e0 [ 19.998242][ T390] vprintk_emit+0x37c/0x3e0 [ 19.998247][ T390] ? wake_up_klogd_work_func+0x90/0x90 [ 19.998252][ T390] ? gre_exit+0x3f0/0x3f0 [gre] [ 19.998255][ T390] _printk+0xc7/0x100 [ 19.998259][ T390] ? snapshot_read.cold+0x21/0x21 [ 19.998265][ T390] ? do_one_initcall+0x113/0x4f0 [ 19.998268][ T390] gact_init_module+0x15/0x1000 [act_gact] [ 19.998271][ T390] do_one_initcall+0x124/0x4f0 [ 19.998274][ T390] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 19.998279][ T390] ? do_init_module+0xae/0x8a0 [ 19.998282][ T390] ? kasan_unpoison+0x44/0x70 [ 19.998287][ T390] do_init_module+0x2ad/0x8a0 [ 19.998291][ T390] ? lockdep_hardirqs_on+0x91/0x130 [ 19.998295][ T390] ? free_module+0x470/0x470 [ 19.998298][ T390] ? kfree+0x123/0x590 [ 19.998302][ T390] load_module+0x1424/0x1bb0 [ 19.998310][ T390] ? layout_and_allocate.isra.0+0x680/0x680 [ 19.998314][ T390] ? __ia32_sys_fsconfig+0x180/0x180 [ 19.998316][ T390] ? ovl_real_file+0x172/0x1e0 [ 19.998321][ T390] ? backing_file_read_iter+0x541/0x790 [ 19.998324][ T390] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 19.998328][ T390] init_module_from_file+0x11f/0x1a0 [ 19.998331][ T390] ? __do_sys_init_module+0x220/0x220 [ 19.998339][ T390] ? __rwlock_init+0x150/0x150 [ 19.998343][ T390] ? do_raw_spin_unlock+0x59/0x250 [ 19.998346][ T390] idempotent_init_module+0x37b/0x7c0 [ 19.998349][ T390] ? init_module_from_file+0x1a0/0x1a0 [ 19.998356][ T390] ? rcu_is_watching+0x16/0xd0 [ 19.998358][ T390] ? cap_capable+0x1d7/0x3d0 [ 19.998364][ T390] __x64_sys_finit_module+0xdf/0x190 [ 19.998367][ T390] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 19.998370][ T390] do_syscall_64+0xff/0x530 [ 19.998372][ T390] ? exc_page_fault+0xee/0x100 [ 19.998375][ T390] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 19.998378][ T390] RIP: 0033:0x7f3bed88137d [ 19.998381][ T390] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 [ 19.998383][ T390] RSP: 002b:00007ffc8c3d00c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 19.998386][ T390] RAX: ffffffffffffffda RBX: 000055ac5f4bc810 RCX: 00007f3bed88137d [ 19.998387][ T390] RDX: 0000000000000000 RSI: 000055ac3e642ffd RDI: 0000000000000000 [ 19.998388][ T390] RBP: 00007ffc8c3d0160 R08: 0000000000000000 R09: 0000000000000000 [ 19.998389][ T390] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ac3e642ffd [ 19.998390][ T390] R13: 000055ac5f4bc960 R14: 0000000000040000 R15: 0000000000000000 [ 19.998396][ T390] [ 20.053808][ T388] tc (388) used greatest stack depth: 24104 bytes left [ 23.641485][ T497] tc (497) used greatest stack depth: 23968 bytes left [ 23.641502][ T497] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 23.641504][ T497] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 497, name: tc [ 23.641506][ T497] preempt_count: 2, expected: 0 [ 23.641507][ T497] RCU nest depth: 0, expected: 0 [ 23.641508][ T497] locks held by tc/497: 5, last CPU#0: [ 23.641510][ T497] #0: ffffffff9fc027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 23.641522][ T497] #1: ffffffff9fd69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 23.641528][ T497] #2: ffffffff9fd69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 23.641532][ T497] #3: ffffffff9fc89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 23.641535][ T497] #4: ffffffff9fc89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 23.641539][ T497] irq event stamp: 25868 [ 23.641540][ T497] hardirqs last enabled at (25867): [] __down_trylock_console_sem+0x86/0xa0 [ 23.641542][ T497] hardirqs last disabled at (25868): [] console_emit_next_record+0x3d4/0x4c0 [ 23.641544][ T497] softirqs last enabled at (24666): [] handle_softirqs+0x67c/0x900 [ 23.641548][ T497] softirqs last disabled at (24657): [] __irq_exit_rcu+0x145/0x1c0 [ 23.641551][ T497] Preemption disabled at: [ 23.641551][ T497] [<0000000000000000>] 0x0 [ 23.641563][ T497] CPU: 0 UID: 0 PID: 497 Comm: tc Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 23.641567][ T497] Tainted: [W]=WARN [ 23.641568][ T497] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.641569][ T497] Call Trace: [ 23.641571][ T497] [ 23.641573][ T497] dump_stack_lvl+0x6f/0xa0 [ 23.641579][ T497] __might_resched.cold+0x1fe/0x2c1 [ 23.641583][ T497] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 23.641587][ T497] ? __kmalloc_noprof+0xdb/0x760 [ 23.641592][ T497] __kmalloc_noprof+0x443/0x760 [ 23.641594][ T497] ? alloc_buf.isra.0+0x4b/0x260 [ 23.641600][ T497] ? do_raw_spin_unlock+0x59/0x250 [ 23.641603][ T497] alloc_buf.isra.0+0x4b/0x260 [ 23.641606][ T497] put_chars+0x1e1/0x2f0 [ 23.641609][ T497] ? __send_to_port+0x420/0x420 [ 23.641610][ T497] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 23.641615][ T497] ? validate_chain+0x38b/0xc20 [ 23.641620][ T497] hvc_console_print+0x292/0x780 [ 23.641626][ T497] ? hvc_write+0x3a0/0x3a0 [ 23.641628][ T497] ? rcu_is_watching+0x16/0xd0 [ 23.641630][ T497] ? lock_acquire+0x13c/0x160 [ 23.641634][ T497] console_emit_next_record+0x22f/0x4c0 [ 23.641638][ T497] ? devkmsg_read+0x4b0/0x4b0 [ 23.641640][ T497] ? console_flush_one_record+0x106/0x710 [ 23.641643][ T497] ? rcu_is_watching+0x16/0xd0 [ 23.641645][ T497] ? lock_acquire+0x13c/0x160 [ 23.641649][ T497] console_flush_one_record+0x46f/0x710 [ 23.641653][ T497] ? console_emit_next_record+0x4c0/0x4c0 [ 23.641655][ T497] ? __lock_acquire+0x518/0xc20 [ 23.641660][ T497] console_unlock+0xee/0x1f0 [ 23.641663][ T497] ? console_flush_one_record+0x710/0x710 [ 23.641664][ T497] ? rcu_is_watching+0x16/0xd0 [ 23.641667][ T497] ? lock_acquire+0x60/0x160 [ 23.641670][ T497] ? __down_trylock_console_sem+0x5e/0xa0 [ 23.641672][ T497] ? vprintk_emit+0x320/0x3e0 [ 23.641675][ T497] vprintk_emit+0x37c/0x3e0 [ 23.641679][ T497] ? wake_up_klogd_work_func+0x90/0x90 [ 23.641682][ T497] ? __lock_acquire+0x518/0xc20 [ 23.641686][ T497] _printk+0xc7/0x100 [ 23.641689][ T497] ? snapshot_read.cold+0x21/0x21 [ 23.641692][ T497] ? do_raw_spin_lock+0x131/0x280 [ 23.641694][ T497] ? __rwlock_init+0x150/0x150 [ 23.641698][ T497] ? do_raw_spin_lock+0x131/0x280 [ 23.641701][ T497] do_exit.cold+0x82/0x9c [ 23.641704][ T497] ? exit_notify+0x890/0x890 [ 23.641706][ T497] ? __lock_release.isra.0+0x69/0x1a0 [ 23.641709][ T497] ? rcu_is_watching+0x16/0xd0 [ 23.641713][ T497] do_group_exit+0xb8/0x370 [ 23.641716][ T497] __x64_sys_exit_group+0x3c/0x50 [ 23.641717][ T497] x64_sys_call+0x1567/0x1570 [ 23.641720][ T497] do_syscall_64+0xff/0x530 [ 23.641722][ T497] ? exc_page_fault+0xee/0x100 [ 23.641725][ T497] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 23.641728][ T497] RIP: 0033:0x7fa946ebc1b8 [ 23.641730][ T497] Code: Unable to access opcode bytes at 0x7fa946ebc18e. [ 23.641731][ T497] RSP: 002b:00007ffc7c2c98a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 23.641733][ T497] RAX: ffffffffffffffda RBX: 00007fa946fecf88 RCX: 00007fa946ebc1b8 [ 23.641735][ T497] RDX: 00007fa946c07588 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 23.641736][ T497] RBP: 00007ffc7c2c9900 R08: 0000000000000000 R09: 0000000000000000 [ 23.641736][ T497] R10: 00007ffc7c2c96a0 R11: 0000000000000246 R12: 0000000000000001 [ 23.641737][ T497] R13: 0000000000000000 R14: 00007fa946feb680 R15: 00007fa946fecfa0 [ 23.641744][ T497]