[ 9.718450][ T170] netconsole: network logging started [ 9.718467][ T170] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.718469][ T170] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 170, name: modprobe [ 9.718471][ T170] preempt_count: 1, expected: 0 [ 9.718471][ T170] RCU nest depth: 0, expected: 0 [ 9.718472][ T170] locks held by modprobe/170: 4, last CPU#2: [ 9.718475][ T170] #0: ffffffff95f99cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.718487][ T170] #1: ffffffff95f99d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.718491][ T170] #2: ffffffff95e89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.718495][ T170] #3: ffffffff95e89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 9.718499][ T170] irq event stamp: 24900 [ 9.718499][ T170] hardirqs last enabled at (24899): [] __down_trylock_console_sem+0x86/0xa0 [ 9.718501][ T170] hardirqs last disabled at (24900): [] console_emit_next_record+0x3f8/0x4f0 [ 9.718503][ T170] softirqs last enabled at (22602): [] handle_softirqs+0x67c/0x900 [ 9.718507][ T170] softirqs last disabled at (21897): [] __irq_exit_rcu+0x145/0x1c0 [ 9.718510][ T170] Preemption disabled at: [ 9.718510][ T170] [] vprintk_emit+0x31b/0x3e0 [ 9.718515][ T170] CPU: 2 UID: 0 PID: 170 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.718519][ T170] Tainted: [W]=WARN [ 9.718520][ T170] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.718521][ T170] Call Trace: [ 9.718523][ T170] [ 9.718525][ T170] dump_stack_lvl+0x6f/0xa0 [ 9.718530][ T170] ? vprintk_emit+0x31b/0x3e0 [ 9.718533][ T170] __might_resched.cold+0x1fe/0x2c1 [ 9.718538][ T170] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.718542][ T170] ? __kmalloc_noprof+0xdb/0x760 [ 9.718546][ T170] __kmalloc_noprof+0x443/0x760 [ 9.718548][ T170] ? alloc_buf.isra.0+0x4b/0x260 [ 9.718554][ T170] ? do_raw_spin_unlock+0x59/0x250 [ 9.718556][ T170] alloc_buf.isra.0+0x4b/0x260 [ 9.718559][ T170] put_chars+0x1e1/0x2f0 [ 9.718562][ T170] ? __send_to_port+0x420/0x420 [ 9.718565][ T170] ? validate_chain+0x38b/0xc20 [ 9.718570][ T170] hvc_console_print+0x292/0x780 [ 9.718576][ T170] ? hvc_write+0x3a0/0x3a0 [ 9.718578][ T170] ? rcu_is_watching+0x16/0xd0 [ 9.718585][ T170] ? lock_acquire+0x13c/0x160 [ 9.718590][ T170] console_emit_next_record+0x252/0x4f0 [ 9.718593][ T170] ? devkmsg_read+0x4e0/0x4e0 [ 9.718597][ T170] ? rcu_is_watching+0x16/0xd0 [ 9.718599][ T170] ? lock_acquire+0x13c/0x160 [ 9.718603][ T170] console_flush_one_record+0x46f/0x710 [ 9.718607][ T170] ? console_emit_next_record+0x4f0/0x4f0 [ 9.718608][ T170] ? __lock_acquire+0x518/0xc20 [ 9.718613][ T170] console_unlock+0xee/0x1f0 [ 9.718616][ T170] ? console_flush_one_record+0x710/0x710 [ 9.718617][ T170] ? rcu_is_watching+0x16/0xd0 [ 9.718619][ T170] ? lock_acquire+0x60/0x160 [ 9.718623][ T170] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.718624][ T170] ? vprintk_emit+0x320/0x3e0 [ 9.718627][ T170] vprintk_emit+0x37c/0x3e0 [ 9.718631][ T170] ? wake_up_klogd_work_func+0x90/0x90 [ 9.718633][ T170] ? find_held_lock+0x2b/0x80 [ 9.718636][ T170] ? __lock_release.isra.0+0x69/0x1a0 [ 9.718638][ T170] ? fast_dput+0x316/0x540 [ 9.718642][ T170] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 9.718647][ T170] _printk+0xc7/0x100 [ 9.718650][ T170] ? snapshot_read.cold+0x21/0x21 [ 9.718653][ T170] ? __up_write+0x2e5/0x5f0 [ 9.718657][ T170] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 9.718661][ T170] ? configfs_register_subsystem+0x340/0x570 [ 9.718666][ T170] init_netconsole+0x4a8/0x1000 [netconsole] [ 9.718669][ T170] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 9.718676][ T170] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 9.718678][ T170] do_one_initcall+0x124/0x4f0 [ 9.718682][ T170] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 9.718687][ T170] ? do_init_module+0xae/0x8a0 [ 9.718690][ T170] ? kasan_unpoison+0x44/0x70 [ 9.718695][ T170] do_init_module+0x2ad/0x8a0 [ 9.718699][ T170] ? lockdep_hardirqs_on+0x91/0x130 [ 9.718703][ T170] ? free_module+0x470/0x470 [ 9.718706][ T170] ? kfree+0x123/0x590 [ 9.718710][ T170] load_module+0x1424/0x1bb0 [ 9.718716][ T170] ? layout_and_allocate.isra.0+0x680/0x680 [ 9.718720][ T170] ? __ia32_sys_fsconfig+0x180/0x180 [ 9.718723][ T170] ? ovl_real_file+0x172/0x1e0 [ 9.718727][ T170] ? backing_file_read_iter+0x541/0x790 [ 9.718730][ T170] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.718734][ T170] init_module_from_file+0x11f/0x1a0 [ 9.718738][ T170] ? __do_sys_init_module+0x220/0x220 [ 9.718746][ T170] ? __rwlock_init+0x150/0x150 [ 9.718749][ T170] ? do_raw_spin_unlock+0x59/0x250 [ 9.718752][ T170] idempotent_init_module+0x37b/0x7c0 [ 9.718755][ T170] ? init_module_from_file+0x1a0/0x1a0 [ 9.718761][ T170] ? rcu_is_watching+0x16/0xd0 [ 9.718763][ T170] ? cap_capable+0x1d7/0x3d0 [ 9.718769][ T170] __x64_sys_finit_module+0xdf/0x190 [ 9.718771][ T170] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 9.718775][ T170] do_syscall_64+0xff/0x530 [ 9.718777][ T170] ? exc_page_fault+0xee/0x100 [ 9.718780][ T170] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.718782][ T170] RIP: 0033:0x7fc3c81d637d [ 9.718786][ T170] 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 [ 9.718788][ T170] RSP: 002b:00007ffe4a75eed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 9.718790][ T170] RAX: ffffffffffffffda RBX: 000055cd5a756700 RCX: 00007fc3c81d637d [ 9.718791][ T170] RDX: 0000000000000000 RSI: 000055cd56b99ffd RDI: 0000000000000005 [ 9.718792][ T170] RBP: 00007ffe4a75ef70 R08: 0000000000000000 R09: 0000000000000000 [ 9.718793][ T170] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cd56b99ffd [ 9.718794][ T170] R13: 000055cd5a756810 R14: 0000000000040000 R15: 0000000000000000 [ 9.718801][ T170] [ 12.368959][ T158] MSG1=MSG2=MSG3=MSG4=MSG5=MSG6=MSG7=MSG8=MSG9=MSG10=MSG11=MSG12=MSG13=MSG14=MSG15=MSG16=MSG17=MSG18=MSG19=MSG20=MSG21=MSG22=MSG23=MSG24=MSG25=MSG26=MSG27=MSG28=MSG29=MSG30=MSG31=MSG32=MSG33=MSG34=MSG35=MSG36=MSG37=MSG38=MSG39=MSG40=MSG41=MSG42=MSG43=MSG44=MSG45=MSG46=MSG47=MSG48=MSG49=MSG50=MSG51=MSG52=MSG53=MSG54=MSG55=MSG56=MSG57=MSG58=MSG59=MSG60=MSG61=MSG62=MSG63=MSG64=MSG65=MSG66=MSG67=MSG68=MSG69=MSG70=MSG71=MSG72=MSG73=MSG74=MSG75=MSG76=MSG77=MSG78=MSG79=MSG80=MSG81=MSG82=MSG83=MSG84=MSG85=MSG86=MSG87=MSG88=MSG89=MSG90=MSG91=MSG92=MSG93=MSG94=MSG95=MSG96=MSG97=MSG98=MSG99=MSG100=MSG101=MSG102=MSG103=MSG104=MSG105=MSG106=MSG107=MSG108=MSG109=MSG110=MSG111=MSG112=MSG113=MSG114=MSG115=MSG116=MSG117=MSG118=MSG119=MSG120=MSG121=MSG122=MSG123=MSG124=MSG125=MSG126=MSG127=MSG128=MSG129=MSG130=MSG131=MSG132=MSG133=MSG134=MSG135=MSG136=MSG137=MSG138=MSG139=MSG140=MSG141=MSG142=MSG143=MSG144=MSG145=MSG146=MSG147=MSG148=MSG149=MSG150=: netcons_W8oA8 [ 12.368986][ T158] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.368989][ T158] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 158, name: bash [ 12.368991][ T158] preempt_count: 1, expected: 0 [ 12.368992][ T158] RCU nest depth: 0, expected: 0 [ 12.368993][ T158] locks held by bash/158: 4, last CPU#0: [ 12.368995][ T158] #0: ffffffff95f99cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.369008][ T158] #1: ffffffff95f99d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.369013][ T158] #2: ffffffff95e89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.369017][ T158] #3: ffffffff95e89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 12.369022][ T158] irq event stamp: 179290 [ 12.369024][ T158] hardirqs last enabled at (179289): [] __down_trylock_console_sem+0x86/0xa0 [ 12.369026][ T158] hardirqs last disabled at (179290): [] console_emit_next_record+0x3f8/0x4f0 [ 12.369028][ T158] softirqs last enabled at (179034): [] restore_fpregs_from_user+0x1cf/0x490 [ 12.369031][ T158] softirqs last disabled at (179032): [] restore_fpregs_from_user+0xc3/0x490 [ 12.369034][ T158] Preemption disabled at: [ 12.369035][ T158] [] vprintk_emit+0x31b/0x3e0 [ 12.369041][ T158] CPU: 0 UID: 0 PID: 158 Comm: bash Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.369045][ T158] Tainted: [W]=WARN [ 12.369046][ T158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.369048][ T158] Call Trace: [ 12.369049][ T158] [ 12.369051][ T158] dump_stack_lvl+0x6f/0xa0 [ 12.369057][ T158] ? vprintk_emit+0x31b/0x3e0 [ 12.369059][ T158] __might_resched.cold+0x1fe/0x2c1 [ 12.369064][ T158] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.369067][ T158] ? __kmalloc_noprof+0xdb/0x760 [ 12.369072][ T158] __kmalloc_noprof+0x443/0x760 [ 12.369074][ T158] ? alloc_buf.isra.0+0x4b/0x260 [ 12.369080][ T158] ? do_raw_spin_unlock+0x59/0x250 [ 12.369083][ T158] alloc_buf.isra.0+0x4b/0x260 [ 12.369086][ T158] put_chars+0x1e1/0x2f0 [ 12.369089][ T158] ? __send_to_port+0x420/0x420 [ 12.369090][ T158] ? printk_get_next_message+0x2fe/0x7d0 [ 12.369093][ T158] ? rcu_read_lock_any_held+0x3c/0x90 [ 12.369096][ T158] ? validate_chain+0x38b/0xc20 [ 12.369100][ T158] hvc_console_print+0x292/0x780 [ 12.369103][ T158] ? __lock_acquire+0x518/0xc20 [ 12.369105][ T158] ? __lock_acquire+0x518/0xc20 [ 12.369109][ T158] ? hvc_write+0x3a0/0x3a0 [ 12.369112][ T158] ? rcu_is_watching+0x16/0xd0 [ 12.369115][ T158] ? lock_acquire+0x13c/0x160 [ 12.369119][ T158] console_emit_next_record+0x252/0x4f0 [ 12.369122][ T158] ? devkmsg_read+0x4e0/0x4e0 [ 12.369126][ T158] ? rcu_is_watching+0x16/0xd0 [ 12.369128][ T158] ? lock_acquire+0x13c/0x160 [ 12.369132][ T158] console_flush_one_record+0x46f/0x710 [ 12.369136][ T158] ? console_emit_next_record+0x4f0/0x4f0 [ 12.369138][ T158] ? __lock_acquire+0x518/0xc20 [ 12.369142][ T158] console_unlock+0xee/0x1f0 [ 12.369145][ T158] ? console_flush_one_record+0x710/0x710 [ 12.369147][ T158] ? rcu_is_watching+0x16/0xd0 [ 12.369149][ T158] ? lock_acquire+0x60/0x160 [ 12.369152][ T158] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.369154][ T158] ? vprintk_emit+0x320/0x3e0 [ 12.369157][ T158] vprintk_emit+0x37c/0x3e0 [ 12.369160][ T158] ? wake_up_klogd_work_func+0x90/0x90 [ 12.369163][ T158] ? _copy_from_iter+0x1bb/0x1810 [ 12.369169][ T158] devkmsg_emit.constprop.0+0xbc/0xf1 [ 12.369173][ T158] ? vprintk_emit.cold+0x107/0x107 [ 12.369177][ T158] ? __kmalloc_noprof+0x302/0x760 [ 12.369178][ T158] ? idr_get_free+0x830/0x830 [ 12.369183][ T158] ? devkmsg_write+0xd1/0x2c0 [ 12.369186][ T158] ? _copy_from_iter+0x1bb/0x1810 [ 12.369188][ T158] devkmsg_write.cold+0x5a/0x8b [ 12.369191][ T158] ? vprintk_default+0x20/0x20 [ 12.369193][ T158] ? __lock_acquire+0x518/0xc20 [ 12.369195][ T158] ? vfs_lock_file+0x1b0/0x1b0 [ 12.369199][ T158] ? vprintk_default+0x20/0x20 [ 12.369202][ T158] new_sync_write+0x33e/0x760 [ 12.369207][ T158] ? new_sync_read+0x750/0x750 [ 12.369208][ T158] ? rcu_read_lock_any_held+0x3c/0x90 [ 12.369216][ T158] vfs_write+0x6a2/0xbd0 [ 12.369220][ T158] ksys_write+0x116/0x250 [ 12.369223][ T158] ? __ia32_sys_read+0xc0/0xc0 [ 12.369224][ T158] ? do_raw_spin_unlock+0x59/0x250 [ 12.369227][ T158] ? rcu_is_watching+0x16/0xd0 [ 12.369230][ T158] do_syscall_64+0xff/0x530 [ 12.369233][ T158] ? exc_page_fault+0xee/0x100 [ 12.369236][ T158] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.369238][ T158] RIP: 0033:0x7f70885d254e [ 12.369242][ T158] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 12.369244][ T158] RSP: 002b:00007ffefa32d900 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 12.369247][ T158] RAX: ffffffffffffffda RBX: 00007f7088753580 RCX: 00007f70885d254e [ 12.369248][ T158] RDX: 00000000000003be RSI: 0000556268aa4390 RDI: 0000000000000001 [ 12.369249][ T158] RBP: 00007ffefa32d910 R08: 0000000000000000 R09: 0000000000000000 [ 12.369250][ T158] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000003be [ 12.369251][ T158] R13: 00000000000003be R14: 0000556268aa4390 R15: 0000000000000000 [ 12.369258][ T158] [ 12.640563][ T158] FOOBAR1=FOOBAR2=FOOBAR3=FOOBAR4=FOOBAR5=FOOBAR6=FOOBAR7=FOOBAR8=FOOBAR9=FOOBAR10=FOOBAR11=FOOBAR12=FOOBAR13=FOOBAR14=FOOBAR15=FOOBAR16=FOOBAR17=FOOBAR18=FOOBAR19=FOOBAR20=FOOBAR21=FOOBAR22=FOOBAR23=FOOBAR24=FOOBAR25=FOOBAR26=FOOBAR27=FOOBAR28=FOOBAR29=FOOBAR30=FOOBAR31=FOOBAR32=FOOBAR33=FOOBAR34=FOOBAR35=FOOBAR36=FOOBAR37=FOOBAR38=FOOBAR39=FOOBAR40=FOOBAR41=FOOBAR42=FOOBAR43=FOOBAR44=FOOBAR45=FOOBAR46=FOOBAR47=FOOBAR48=FOOBAR49=FOOBAR50=FOOBAR51=FOOBAR52=FOOBAR53=FOOBAR54=FOOBAR55=FOOBAR56=FOOBAR57=FOOBAR58=FOOBAR59=FOOBAR60=FOOBAR61=FOOBAR62=FOOBAR63=FOOBAR64=FOOBAR65=FOOBAR66=FOOBAR67=FOOBAR68=FOOBAR69=FOOBAR70=FOOBAR71=FOOBAR72=FOOBAR73=FOOBAR74=FOOBAR75=FOOBAR76=FOOBAR77=FOOBAR78=FOOBAR79=FOOBAR80=FOOBAR81=FOOBAR82=FOOBAR83=FOOBAR84=FOOBAR85=FOOBAR86=FOOBAR87=FOOBAR88=FOOBAR89=FOOBAR90=FOOBAR91=FOOBAR92=FOOBAR93=FOOBAR94=FOOBAR95=FOOBAR96=FOOBAR97=FOOBAR98=FOOBAR99=FOOBAR100=: netcons_W8oA8