[ 10.522054][ T171] netconsole: network logging started [ 10.522073][ T171] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.522076][ T171] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 171, name: modprobe [ 10.522077][ T171] preempt_count: 1, expected: 0 [ 10.522078][ T171] RCU nest depth: 0, expected: 0 [ 10.522080][ T171] locks held by modprobe/171: 4, last CPU#2: [ 10.522082][ T171] #0: ffffffffb5d99cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.522095][ T171] #1: ffffffffb5d99d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.522099][ T171] #2: ffffffffb5c89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.522103][ T171] #3: ffffffffb5c89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 10.522107][ T171] irq event stamp: 34504 [ 10.522108][ T171] hardirqs last enabled at (34503): [] __down_trylock_console_sem+0x86/0xa0 [ 10.522110][ T171] hardirqs last disabled at (34504): [] console_emit_next_record+0x3f8/0x4f0 [ 10.522112][ T171] softirqs last enabled at (34280): [] handle_softirqs+0x67c/0x900 [ 10.522116][ T171] softirqs last disabled at (34051): [] __irq_exit_rcu+0x145/0x1c0 [ 10.522119][ T171] Preemption disabled at: [ 10.522120][ T171] [] vprintk_emit+0x31b/0x3e0 [ 10.522125][ T171] CPU: 2 UID: 0 PID: 171 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.522129][ T171] Tainted: [W]=WARN [ 10.522130][ T171] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.522132][ T171] Call Trace: [ 10.522134][ T171] [ 10.522135][ T171] dump_stack_lvl+0x6f/0xa0 [ 10.522141][ T171] ? vprintk_emit+0x31b/0x3e0 [ 10.522143][ T171] __might_resched.cold+0x1fe/0x2c1 [ 10.522148][ T171] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.522152][ T171] ? __kmalloc_noprof+0xdb/0x760 [ 10.522157][ T171] __kmalloc_noprof+0x443/0x760 [ 10.522159][ T171] ? alloc_buf.isra.0+0x4b/0x260 [ 10.522165][ T171] ? do_raw_spin_unlock+0x59/0x250 [ 10.522168][ T171] alloc_buf.isra.0+0x4b/0x260 [ 10.522171][ T171] put_chars+0x1e1/0x2f0 [ 10.522174][ T171] ? __send_to_port+0x420/0x420 [ 10.522177][ T171] ? validate_chain+0x38b/0xc20 [ 10.522182][ T171] hvc_console_print+0x292/0x780 [ 10.522188][ T171] ? hvc_write+0x3a0/0x3a0 [ 10.522191][ T171] ? rcu_is_watching+0x16/0xd0 [ 10.522194][ T171] ? lock_acquire+0x13c/0x160 [ 10.522198][ T171] console_emit_next_record+0x252/0x4f0 [ 10.522202][ T171] ? devkmsg_read+0x4e0/0x4e0 [ 10.522206][ T171] ? rcu_is_watching+0x16/0xd0 [ 10.522208][ T171] ? lock_acquire+0x13c/0x160 [ 10.522212][ T171] console_flush_one_record+0x46f/0x710 [ 10.522216][ T171] ? console_emit_next_record+0x4f0/0x4f0 [ 10.522218][ T171] ? __lock_acquire+0x518/0xc20 [ 10.522223][ T171] console_unlock+0xee/0x1f0 [ 10.522225][ T171] ? console_flush_one_record+0x710/0x710 [ 10.522227][ T171] ? rcu_is_watching+0x16/0xd0 [ 10.522229][ T171] ? lock_acquire+0x60/0x160 [ 10.522233][ T171] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.522234][ T171] ? vprintk_emit+0x320/0x3e0 [ 10.522237][ T171] vprintk_emit+0x37c/0x3e0 [ 10.522241][ T171] ? wake_up_klogd_work_func+0x90/0x90 [ 10.522243][ T171] ? find_held_lock+0x2b/0x80 [ 10.522247][ T171] ? __lock_release.isra.0+0x69/0x1a0 [ 10.522248][ T171] ? fast_dput+0x316/0x540 [ 10.522253][ T171] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 10.522258][ T171] _printk+0xc7/0x100 [ 10.522262][ T171] ? snapshot_read.cold+0x21/0x21 [ 10.522265][ T171] ? __up_write+0x2e5/0x5f0 [ 10.522269][ T171] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 10.522273][ T171] ? configfs_register_subsystem+0x340/0x570 [ 10.522278][ T171] init_netconsole+0x4a8/0x1000 [netconsole] [ 10.522281][ T171] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 10.522288][ T171] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 10.522291][ T171] do_one_initcall+0x124/0x4f0 [ 10.522295][ T171] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 10.522300][ T171] ? do_init_module+0xae/0x8a0 [ 10.522303][ T171] ? kasan_unpoison+0x44/0x70 [ 10.522308][ T171] do_init_module+0x2ad/0x8a0 [ 10.522312][ T171] ? lockdep_hardirqs_on+0x91/0x130 [ 10.522316][ T171] ? free_module+0x470/0x470 [ 10.522319][ T171] ? kfree+0x123/0x590 [ 10.522323][ T171] load_module+0x1424/0x1bb0 [ 10.522330][ T171] ? layout_and_allocate.isra.0+0x680/0x680 [ 10.522334][ T171] ? __ia32_sys_fsconfig+0x180/0x180 [ 10.522337][ T171] ? ovl_real_file+0x172/0x1e0 [ 10.522341][ T171] ? backing_file_read_iter+0x541/0x790 [ 10.522345][ T171] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.522349][ T171] init_module_from_file+0x11f/0x1a0 [ 10.522352][ T171] ? __do_sys_init_module+0x220/0x220 [ 10.522361][ T171] ? __rwlock_init+0x150/0x150 [ 10.522364][ T171] ? do_raw_spin_unlock+0x59/0x250 [ 10.522367][ T171] idempotent_init_module+0x37b/0x7c0 [ 10.522370][ T171] ? init_module_from_file+0x1a0/0x1a0 [ 10.522376][ T171] ? rcu_is_watching+0x16/0xd0 [ 10.522379][ T171] ? cap_capable+0x1d7/0x3d0 [ 10.522393][ T171] __x64_sys_finit_module+0xdf/0x190 [ 10.522395][ T171] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 10.522399][ T171] do_syscall_64+0xff/0x530 [ 10.522401][ T171] ? exc_page_fault+0xee/0x100 [ 10.522404][ T171] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.522406][ T171] RIP: 0033:0x7f742ba5d37d [ 10.522410][ T171] 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 [ 10.522412][ T171] RSP: 002b:00007ffcca548238 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.522415][ T171] RAX: ffffffffffffffda RBX: 00005602abc8d700 RCX: 00007f742ba5d37d [ 10.522416][ T171] RDX: 0000000000000000 RSI: 00005602a6a07ffd RDI: 0000000000000005 [ 10.522417][ T171] RBP: 00007ffcca5482d0 R08: 0000000000000000 R09: 0000000000000000 [ 10.522418][ T171] R10: 0000000000000000 R11: 0000000000000246 R12: 00005602a6a07ffd [ 10.522419][ T171] R13: 00005602abc8d810 R14: 0000000000040000 R15: 0000000000000000 [ 10.522426][ T171] [ 12.956601][ 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_u5upH [ 12.956626][ T158] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.956629][ T158] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 158, name: bash [ 12.956631][ T158] preempt_count: 1, expected: 0 [ 12.956632][ T158] RCU nest depth: 0, expected: 0 [ 12.956633][ T158] locks held by bash/158: 4, last CPU#1: [ 12.956636][ T158] #0: ffffffffb5d99cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.956649][ T158] #1: ffffffffb5d99d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.956654][ T158] #2: ffffffffb5c89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.956658][ T158] #3: ffffffffb5c89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 12.956662][ T158] irq event stamp: 126824 [ 12.956664][ T158] hardirqs last enabled at (126823): [] __down_trylock_console_sem+0x86/0xa0 [ 12.956667][ T158] hardirqs last disabled at (126824): [] console_emit_next_record+0x3f8/0x4f0 [ 12.956668][ T158] softirqs last enabled at (126718): [] handle_softirqs+0x67c/0x900 [ 12.956672][ T158] softirqs last disabled at (126707): [] __irq_exit_rcu+0x145/0x1c0 [ 12.956675][ T158] Preemption disabled at: [ 12.956676][ T158] [] vprintk_emit+0x31b/0x3e0 [ 12.956682][ T158] CPU: 1 UID: 0 PID: 158 Comm: bash Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.956686][ T158] Tainted: [W]=WARN [ 12.956687][ T158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.956689][ T158] Call Trace: [ 12.956691][ T158] [ 12.956693][ T158] dump_stack_lvl+0x6f/0xa0 [ 12.956698][ T158] ? vprintk_emit+0x31b/0x3e0 [ 12.956700][ T158] __might_resched.cold+0x1fe/0x2c1 [ 12.956705][ T158] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.956709][ T158] ? __kmalloc_noprof+0xdb/0x760 [ 12.956714][ T158] __kmalloc_noprof+0x443/0x760 [ 12.956716][ T158] ? alloc_buf.isra.0+0x4b/0x260 [ 12.956722][ T158] ? do_raw_spin_unlock+0x59/0x250 [ 12.956725][ T158] alloc_buf.isra.0+0x4b/0x260 [ 12.956728][ T158] put_chars+0x1e1/0x2f0 [ 12.956731][ T158] ? __send_to_port+0x420/0x420 [ 12.956733][ T158] ? printk_get_next_message+0x2fe/0x7d0 [ 12.956736][ T158] ? rcu_read_lock_any_held+0x3c/0x90 [ 12.956739][ T158] ? validate_chain+0x38b/0xc20 [ 12.956743][ T158] hvc_console_print+0x292/0x780 [ 12.956746][ T158] ? __lock_acquire+0x518/0xc20 [ 12.956748][ T158] ? __lock_acquire+0x518/0xc20 [ 12.956752][ T158] ? hvc_write+0x3a0/0x3a0 [ 12.956755][ T158] ? rcu_is_watching+0x16/0xd0 [ 12.956758][ T158] ? lock_acquire+0x13c/0x160 [ 12.956762][ T158] console_emit_next_record+0x252/0x4f0 [ 12.956766][ T158] ? devkmsg_read+0x4e0/0x4e0 [ 12.956770][ T158] ? rcu_is_watching+0x16/0xd0 [ 12.956773][ T158] ? lock_acquire+0x13c/0x160 [ 12.956776][ T158] console_flush_one_record+0x46f/0x710 [ 12.956780][ T158] ? console_emit_next_record+0x4f0/0x4f0 [ 12.956782][ T158] ? __lock_acquire+0x518/0xc20 [ 12.956787][ T158] console_unlock+0xee/0x1f0 [ 12.956790][ T158] ? console_flush_one_record+0x710/0x710 [ 12.956791][ T158] ? rcu_is_watching+0x16/0xd0 [ 12.956794][ T158] ? lock_acquire+0x60/0x160 [ 12.956797][ T158] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.956799][ T158] ? vprintk_emit+0x320/0x3e0 [ 12.956802][ T158] vprintk_emit+0x37c/0x3e0 [ 12.956805][ T158] ? wake_up_klogd_work_func+0x90/0x90 [ 12.956808][ T158] ? _copy_from_iter+0x1bb/0x1810 [ 12.956814][ T158] devkmsg_emit.constprop.0+0xbc/0xf1 [ 12.956818][ T158] ? vprintk_emit.cold+0x107/0x107 [ 12.956822][ T158] ? __kmalloc_noprof+0x302/0x760 [ 12.956824][ T158] ? idr_get_free+0x830/0x830 [ 12.956828][ T158] ? devkmsg_write+0xd1/0x2c0 [ 12.956831][ T158] ? _copy_from_iter+0x1bb/0x1810 [ 12.956834][ T158] devkmsg_write.cold+0x5a/0x8b [ 12.956837][ T158] ? vprintk_default+0x20/0x20 [ 12.956838][ T158] ? __lock_acquire+0x518/0xc20 [ 12.956840][ T158] ? vfs_lock_file+0x1b0/0x1b0 [ 12.956845][ T158] ? vprintk_default+0x20/0x20 [ 12.956848][ T158] new_sync_write+0x33e/0x760 [ 12.956853][ T158] ? new_sync_read+0x750/0x750 [ 12.956854][ T158] ? rcu_read_lock_any_held+0x3c/0x90 [ 12.956862][ T158] vfs_write+0x6a2/0xbd0 [ 12.956866][ T158] ksys_write+0x116/0x250 [ 12.956869][ T158] ? __ia32_sys_read+0xc0/0xc0 [ 12.956871][ T158] ? do_raw_spin_unlock+0x59/0x250 [ 12.956874][ T158] ? rcu_is_watching+0x16/0xd0 [ 12.956877][ T158] do_syscall_64+0xff/0x530 [ 12.956880][ T158] ? exc_page_fault+0xee/0x100 [ 12.956883][ T158] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.956885][ T158] RIP: 0033:0x7f0bde90954e [ 12.956889][ 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 [ 12.956891][ T158] RSP: 002b:00007ffe5c1dcbd0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 12.956895][ T158] RAX: ffffffffffffffda RBX: 00007f0bdea8a580 RCX: 00007f0bde90954e [ 12.956896][ T158] RDX: 00000000000003be RSI: 000055c49e28f390 RDI: 0000000000000001 [ 12.956897][ T158] RBP: 00007ffe5c1dcbe0 R08: 0000000000000000 R09: 0000000000000000 [ 12.956898][ T158] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000003be [ 12.956899][ T158] R13: 00000000000003be R14: 000055c49e28f390 R15: 0000000000000000 [ 12.956906][ T158]