[ 9.851656][ T170] netconsole: network logging started [ 9.851673][ T170] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.851675][ T170] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 170, name: modprobe [ 9.851677][ T170] preempt_count: 1, expected: 0 [ 9.851678][ T170] RCU nest depth: 0, expected: 0 [ 9.851679][ T170] locks held by modprobe/170: 4, last CPU#1: [ 9.851681][ T170] #0: ffffffff86199cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.851693][ T170] #1: ffffffff86199d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.851698][ T170] #2: ffffffff86089660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.851701][ T170] #3: ffffffff86089560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 9.851705][ T170] irq event stamp: 30902 [ 9.851706][ T170] hardirqs last enabled at (30901): [] __down_trylock_console_sem+0x86/0xa0 [ 9.851708][ T170] hardirqs last disabled at (30902): [] console_emit_next_record+0x3f8/0x4f0 [ 9.851710][ T170] softirqs last enabled at (28668): [] handle_softirqs+0x67c/0x900 [ 9.851714][ T170] softirqs last disabled at (28561): [] __irq_exit_rcu+0x145/0x1c0 [ 9.851717][ T170] Preemption disabled at: [ 9.851718][ T170] [] vprintk_emit+0x31b/0x3e0 [ 9.851723][ T170] CPU: 1 UID: 0 PID: 170 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.851727][ T170] Tainted: [W]=WARN [ 9.851728][ T170] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.851729][ T170] Call Trace: [ 9.851731][ T170] [ 9.851733][ T170] dump_stack_lvl+0x6f/0xa0 [ 9.851738][ T170] ? vprintk_emit+0x31b/0x3e0 [ 9.851740][ T170] __might_resched.cold+0x1fe/0x2c1 [ 9.851744][ T170] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.851748][ T170] ? __kmalloc_noprof+0xdb/0x760 [ 9.851752][ T170] __kmalloc_noprof+0x443/0x760 [ 9.851755][ T170] ? alloc_buf.isra.0+0x4b/0x260 [ 9.851760][ T170] ? do_raw_spin_unlock+0x59/0x250 [ 9.851763][ T170] alloc_buf.isra.0+0x4b/0x260 [ 9.851766][ T170] put_chars+0x1e1/0x2f0 [ 9.851768][ T170] ? __send_to_port+0x420/0x420 [ 9.851771][ T170] ? validate_chain+0x38b/0xc20 [ 9.851776][ T170] hvc_console_print+0x292/0x780 [ 9.851783][ T170] ? hvc_write+0x3a0/0x3a0 [ 9.851785][ T170] ? rcu_is_watching+0x16/0xd0 [ 9.851788][ T170] ? lock_acquire+0x13c/0x160 [ 9.851792][ T170] console_emit_next_record+0x252/0x4f0 [ 9.851795][ T170] ? devkmsg_read+0x4e0/0x4e0 [ 9.851800][ T170] ? rcu_is_watching+0x16/0xd0 [ 9.851802][ T170] ? lock_acquire+0x13c/0x160 [ 9.851805][ T170] console_flush_one_record+0x46f/0x710 [ 9.851809][ T170] ? console_emit_next_record+0x4f0/0x4f0 [ 9.851811][ T170] ? __lock_acquire+0x518/0xc20 [ 9.851816][ T170] console_unlock+0xee/0x1f0 [ 9.851818][ T170] ? console_flush_one_record+0x710/0x710 [ 9.851820][ T170] ? rcu_is_watching+0x16/0xd0 [ 9.851822][ T170] ? lock_acquire+0x60/0x160 [ 9.851825][ T170] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.851827][ T170] ? vprintk_emit+0x320/0x3e0 [ 9.851830][ T170] vprintk_emit+0x37c/0x3e0 [ 9.851833][ T170] ? wake_up_klogd_work_func+0x90/0x90 [ 9.851835][ T170] ? find_held_lock+0x2b/0x80 [ 9.851839][ T170] ? __lock_release.isra.0+0x69/0x1a0 [ 9.851840][ T170] ? fast_dput+0x316/0x540 [ 9.851844][ T170] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 9.851849][ T170] _printk+0xc7/0x100 [ 9.851853][ T170] ? snapshot_read.cold+0x21/0x21 [ 9.851856][ T170] ? __up_write+0x2e5/0x5f0 [ 9.851859][ T170] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 9.851863][ T170] ? configfs_register_subsystem+0x340/0x570 [ 9.851868][ T170] init_netconsole+0x4a8/0x1000 [netconsole] [ 9.851871][ T170] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 9.851878][ T170] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 9.851881][ T170] do_one_initcall+0x124/0x4f0 [ 9.851885][ T170] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 9.851890][ T170] ? do_init_module+0xae/0x8a0 [ 9.851892][ T170] ? kasan_unpoison+0x44/0x70 [ 9.851898][ T170] do_init_module+0x2ad/0x8a0 [ 9.851901][ T170] ? lockdep_hardirqs_on+0x91/0x130 [ 9.851906][ T170] ? free_module+0x470/0x470 [ 9.851909][ T170] ? kfree+0x123/0x590 [ 9.851912][ T170] load_module+0x1424/0x1bb0 [ 9.851919][ T170] ? layout_and_allocate.isra.0+0x680/0x680 [ 9.851923][ T170] ? __ia32_sys_fsconfig+0x180/0x180 [ 9.851926][ T170] ? ovl_real_file+0x172/0x1e0 [ 9.851930][ T170] ? backing_file_read_iter+0x541/0x790 [ 9.851933][ T170] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.851937][ T170] init_module_from_file+0x11f/0x1a0 [ 9.851940][ T170] ? __do_sys_init_module+0x220/0x220 [ 9.851948][ T170] ? __rwlock_init+0x150/0x150 [ 9.851951][ T170] ? do_raw_spin_unlock+0x59/0x250 [ 9.851954][ T170] idempotent_init_module+0x37b/0x7c0 [ 9.851958][ T170] ? init_module_from_file+0x1a0/0x1a0 [ 9.851964][ T170] ? rcu_is_watching+0x16/0xd0 [ 9.851966][ T170] ? cap_capable+0x1d7/0x3d0 [ 9.851972][ T170] __x64_sys_finit_module+0xdf/0x190 [ 9.851974][ T170] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 9.851978][ T170] do_syscall_64+0xff/0x530 [ 9.851979][ T170] ? exc_page_fault+0xee/0x100 [ 9.851982][ T170] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.851984][ T170] RIP: 0033:0x7f18b6e7d37d [ 9.851988][ 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 [ 9.851990][ T170] RSP: 002b:00007ffe1842d508 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 9.851992][ T170] RAX: ffffffffffffffda RBX: 0000560ffd6c8700 RCX: 00007f18b6e7d37d [ 9.851994][ T170] RDX: 0000000000000000 RSI: 0000560fd177cffd RDI: 0000000000000005 [ 9.851995][ T170] RBP: 00007ffe1842d5a0 R08: 0000000000000000 R09: 0000000000000000 [ 9.851995][ T170] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560fd177cffd [ 9.851996][ T170] R13: 0000560ffd6c8810 R14: 0000000000040000 R15: 0000000000000000 [ 9.852003][ T170] [ 10.417894][ T81] netdevsim netdevsim710 eni710np1: renamed from eth0 [ 10.450702][ T91] netdevsim netdevsim289 eni289np1: renamed from eth1 [ 11.017083][ T158] printk: console [netcon_ext0] enabled [ 11.017136][ T158] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.017139][ T158] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 158, name: bash [ 11.017141][ T158] preempt_count: 1, expected: 0 [ 11.017142][ T158] RCU nest depth: 0, expected: 0 [ 11.017143][ T158] locks held by bash/158: 9, last CPU#1: [ 11.017145][ T158] #0: ff11000009fa4430 (sb_writers#9){.+.+}-{0:0}, at: ksys_write+0x116/0x250 [ 11.017158][ T158] #1: ff1100000d9bdf80 (&buffer->mutex){+.+.}-{4:4}, at: configfs_write_iter+0x71/0x4b0 [ 11.017166][ T158] #2: ff1100000d9e12b0 (&p->frag_sem){.+.+}-{4:4}, at: configfs_write_iter+0x1db/0x4b0 [ 11.017170][ T158] #3: ffffffffc0362880 (dynamic_netconsole_mutex){+.+.}-{4:4}, at: enabled_store+0xa0/0x750 [netconsole] [ 11.017177][ T158] #4: ffffffff8619a240 (console_mutex){+.+.}-{4:4}, at: register_console+0xe6/0xb60 [ 11.017183][ T158] #5: ffffffff86199cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.017186][ T158] #6: ffffffff86199d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.017190][ T158] #7: ffffffff86089660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.017195][ T158] #8: ffffffff86089560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 11.017199][ T158] irq event stamp: 121676 [ 11.017201][ T158] hardirqs last enabled at (121675): [] __down_trylock_console_sem+0x86/0xa0 [ 11.017203][ T158] hardirqs last disabled at (121676): [] console_emit_next_record+0x3f8/0x4f0 [ 11.017205][ T158] softirqs last enabled at (121536): [] handle_softirqs+0x67c/0x900 [ 11.017209][ T158] softirqs last disabled at (121531): [] __irq_exit_rcu+0x145/0x1c0 [ 11.017212][ T158] Preemption disabled at: [ 11.017213][ T158] [] vprintk_emit+0x31b/0x3e0 [ 11.017218][ T158] CPU: 1 UID: 0 PID: 158 Comm: bash Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.017222][ T158] Tainted: [W]=WARN [ 11.017223][ T158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.017225][ T158] Call Trace: [ 11.017227][ T158] [ 11.017228][ T158] dump_stack_lvl+0x6f/0xa0 [ 11.017234][ T158] ? vprintk_emit+0x31b/0x3e0 [ 11.017236][ T158] __might_resched.cold+0x1fe/0x2c1 [ 11.017240][ T158] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.017244][ T158] ? __kmalloc_noprof+0xdb/0x760 [ 11.017248][ T158] __kmalloc_noprof+0x443/0x760 [ 11.017251][ T158] ? alloc_buf.isra.0+0x4b/0x260 [ 11.017256][ T158] ? do_raw_spin_unlock+0x59/0x250 [ 11.017259][ T158] alloc_buf.isra.0+0x4b/0x260 [ 11.017263][ T158] put_chars+0x1e1/0x2f0 [ 11.017266][ T158] ? __send_to_port+0x420/0x420 [ 11.017270][ T158] ? validate_chain+0x34a/0xc20 [ 11.017274][ T158] hvc_console_print+0x292/0x780 [ 11.017277][ T158] ? __lock_acquire+0x518/0xc20 [ 11.017279][ T158] ? __lock_acquire+0x518/0xc20 [ 11.017284][ T158] ? hvc_write+0x3a0/0x3a0 [ 11.017287][ T158] ? rcu_is_watching+0x16/0xd0 [ 11.017291][ T158] ? lock_acquire+0x13c/0x160 [ 11.017295][ T158] console_emit_next_record+0x252/0x4f0 [ 11.017299][ T158] ? devkmsg_read+0x4e0/0x4e0 [ 11.017303][ T158] ? rcu_is_watching+0x16/0xd0 [ 11.017305][ T158] ? lock_acquire+0x13c/0x160 [ 11.017309][ T158] console_flush_one_record+0x46f/0x710 [ 11.017314][ T158] ? console_emit_next_record+0x4f0/0x4f0 [ 11.017315][ T158] ? __lock_acquire+0x518/0xc20 [ 11.017321][ T158] console_unlock+0xee/0x1f0 [ 11.017323][ T158] ? console_flush_one_record+0x710/0x710 [ 11.017325][ T158] ? rcu_is_watching+0x16/0xd0 [ 11.017327][ T158] ? lock_acquire+0x60/0x160 [ 11.017331][ T158] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.017332][ T158] ? vprintk_emit+0x320/0x3e0 [ 11.017336][ T158] vprintk_emit+0x37c/0x3e0 [ 11.017339][ T158] ? wake_up_klogd_work_func+0x90/0x90 [ 11.017345][ T158] _printk+0xc7/0x100 [ 11.017350][ T158] ? snapshot_read.cold+0x21/0x21 [ 11.017353][ T158] ? mark_held_locks+0x40/0x70 [ 11.017356][ T158] ? lockdep_hardirqs_on+0x91/0x130 [ 11.017362][ T158] register_console+0x8a0/0xb60 [ 11.017366][ T158] ? get_init_console_seq.constprop.0.isra.0+0x290/0x290 [ 11.017368][ T158] ? rcu_is_watching+0x16/0xd0 [ 11.017374][ T158] enabled_store+0x623/0x750 [netconsole] [ 11.017376][ T158] ? __kasan_kmalloc+0x7b/0x90 [ 11.017380][ T158] ? netconsole_write_ext+0x20/0x20 [netconsole] [ 11.017382][ T158] ? down_write_killable_nested+0x270/0x270 [ 11.017385][ T158] ? __kmalloc_cache_noprof+0x241/0x620 [ 11.017387][ T158] ? configfs_write_iter+0x336/0x4b0 [ 11.017396][ T158] ? netconsole_write_ext+0x20/0x20 [netconsole] [ 11.017399][ T158] configfs_write_iter+0x2c0/0x4b0 [ 11.017401][ T158] ? configfs_bin_write_iter+0x530/0x530 [ 11.017404][ T158] new_sync_write+0x33e/0x760 [ 11.017407][ T158] ? __lock_acquire+0x518/0xc20 [ 11.017410][ T158] ? new_sync_read+0x750/0x750 [ 11.017413][ T158] ? lock_acquire.part.0+0xd4/0x280 [ 11.017415][ T158] ? ksys_write+0x116/0x250 [ 11.017422][ T158] vfs_write+0x6a2/0xbd0 [ 11.017426][ T158] ksys_write+0x116/0x250 [ 11.017429][ T158] ? __ia32_sys_read+0xc0/0xc0 [ 11.017431][ T158] ? do_raw_spin_unlock+0x59/0x250 [ 11.017433][ T158] ? rcu_is_watching+0x16/0xd0 [ 11.017437][ T158] do_syscall_64+0xff/0x530 [ 11.017439][ T158] ? exc_page_fault+0xee/0x100 [ 11.017442][ T158] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.017445][ T158] RIP: 0033:0x7fe65603454e [ 11.017448][ 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 [ 11.017450][ T158] RSP: 002b:00007ffd38f4ee50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 11.017453][ T158] RAX: ffffffffffffffda RBX: 00007fe6561b5580 RCX: 00007fe65603454e [ 11.017455][ T158] RDX: 0000000000000002 RSI: 000055cec1f4b0f0 RDI: 0000000000000001 [ 11.017456][ T158] RBP: 00007ffd38f4ee60 R08: 0000000000000000 R09: 0000000000000000 [ 11.017456][ T158] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 11.017457][ T158] R13: 0000000000000002 R14: 000055cec1f4b0f0 R15: 0000000000000000 [ 11.017465][ T158] [ 11.045542][ T158] netconsole: netconsole: local port 6665 [ 11.045899][ T158] netconsole: netconsole: local IPv4 address 192.0.2.1 [ 11.046299][ T158] netconsole: netconsole: interface name 'eni289np1' [ 11.046556][ T158] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 11.046859][ T158] netconsole: netconsole: remote port 6666 [ 11.047110][ T158] netconsole: netconsole: remote IPv4 address 192.0.2.2 [ 11.047577][ T158] netconsole: netconsole: remote ethernet address 8e:bb:ef:4b:f2:2c [ 11.054149][ T158] netconsole: network logging started [ 17.362557][ T158] printk: console [netcon_ext0] disabled [ 17.362581][ T158] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 17.362583][ T158] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 158, name: bash [ 17.362585][ T158] preempt_count: 1, expected: 0 [ 17.362587][ T158] RCU nest depth: 0, expected: 0 [ 17.362588][ T158] locks held by bash/158: 9, last CPU#0: [ 17.362590][ T158] #0: ff11000009fa4430 (sb_writers#9){.+.+}-{0:0}, at: ksys_write+0x116/0x250 [ 17.362603][ T158] #1: ff1100000b41f780 (&buffer->mutex){+.+.}-{4:4}, at: configfs_write_iter+0x71/0x4b0 [ 17.362611][ T158] #2: ff1100000d9e12b0 (&p->frag_sem){.+.+}-{4:4}, at: configfs_write_iter+0x1db/0x4b0 [ 17.362615][ T158] #3: ffffffffc0362880 (dynamic_netconsole_mutex){+.+.}-{4:4}, at: enabled_store+0xa0/0x750 [netconsole] [ 17.362622][ T158] #4: ffffffff8619a240 (console_mutex){+.+.}-{4:4}, at: unregister_console+0x16/0x40 [ 17.362628][ T158] #5: ffffffff86199cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 17.362632][ T158] #6: ffffffff86199d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 17.362636][ T158] #7: ffffffff86089660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 17.362640][ T158] #8: ffffffff86089560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 17.362644][ T158] irq event stamp: 633294 [ 17.362645][ T158] hardirqs last enabled at (633293): [] __down_trylock_console_sem+0x86/0xa0 [ 17.362648][ T158] hardirqs last disabled at (633294): [] console_emit_next_record+0x3f8/0x4f0 [ 17.362649][ T158] softirqs last enabled at (633070): [] restore_fpregs_from_user+0x1cf/0x490 [ 17.362653][ T158] softirqs last disabled at (633068): [] restore_fpregs_from_user+0xc3/0x490 [ 17.362656][ T158] Preemption disabled at: [ 17.362656][ T158] [] vprintk_emit+0x31b/0x3e0 [ 17.362662][ T158] CPU: 0 UID: 0 PID: 158 Comm: bash Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 17.362666][ T158] Tainted: [W]=WARN [ 17.362667][ T158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.362669][ T158] Call Trace: [ 17.362670][ T158] [ 17.362672][ T158] dump_stack_lvl+0x6f/0xa0 [ 17.362677][ T158] ? vprintk_emit+0x31b/0x3e0 [ 17.362679][ T158] __might_resched.cold+0x1fe/0x2c1 [ 17.362684][ T158] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 17.362688][ T158] ? __kmalloc_noprof+0xdb/0x760 [ 17.362692][ T158] __kmalloc_noprof+0x443/0x760 [ 17.362694][ T158] ? alloc_buf.isra.0+0x4b/0x260 [ 17.362700][ T158] ? do_raw_spin_unlock+0x59/0x250 [ 17.362702][ T158] alloc_buf.isra.0+0x4b/0x260 [ 17.362705][ T158] put_chars+0x1e1/0x2f0 [ 17.362708][ T158] ? __send_to_port+0x420/0x420 [ 17.362710][ T158] ? desc_read_finalized_seq+0x41/0x120 [ 17.362714][ T158] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.362717][ T158] ? validate_chain+0x38b/0xc20 [ 17.362722][ T158] hvc_console_print+0x292/0x780 [ 17.362725][ T158] ? __lock_acquire+0x518/0xc20 [ 17.362726][ T158] ? __lock_acquire+0x518/0xc20 [ 17.362731][ T158] ? hvc_write+0x3a0/0x3a0 [ 17.362732][ T158] ? console_emit_next_record+0x202/0x4f0 [ 17.362735][ T158] ? rcu_is_watching+0x16/0xd0 [ 17.362738][ T158] ? lock_acquire+0x13c/0x160 [ 17.362742][ T158] console_emit_next_record+0x252/0x4f0 [ 17.362746][ T158] ? devkmsg_read+0x4e0/0x4e0 [ 17.362751][ T158] ? rcu_is_watching+0x16/0xd0 [ 17.362753][ T158] ? lock_acquire+0x13c/0x160 [ 17.362757][ T158] console_flush_one_record+0x46f/0x710 [ 17.362761][ T158] ? console_emit_next_record+0x4f0/0x4f0 [ 17.362763][ T158] ? __lock_acquire+0x518/0xc20 [ 17.362768][ T158] console_unlock+0xee/0x1f0 [ 17.362770][ T158] ? console_flush_one_record+0x710/0x710 [ 17.362772][ T158] ? rcu_is_watching+0x16/0xd0 [ 17.362774][ T158] ? lock_acquire+0x60/0x160 [ 17.362778][ T158] ? __down_trylock_console_sem+0x5e/0xa0 [ 17.362779][ T158] ? vprintk_emit+0x320/0x3e0 [ 17.362783][ T158] vprintk_emit+0x37c/0x3e0 [ 17.362786][ T158] ? wake_up_klogd_work_func+0x90/0x90 [ 17.362789][ T158] ? lock_acquire+0x13c/0x160 [ 17.362791][ T158] ? rcu_is_watching+0x16/0xd0 [ 17.362792][ T158] ? rcu_is_watching+0x16/0xd0 [ 17.362796][ T158] _printk+0xc7/0x100 [ 17.362800][ T158] ? snapshot_read.cold+0x21/0x21 [ 17.362803][ T158] ? find_held_lock+0x2b/0x80 [ 17.362807][ T158] ? ww_mutex_lock+0x160/0x160 [ 17.362810][ T158] ? __lock_release.isra.0+0x69/0x1a0 [ 17.362815][ T158] unregister_console_locked.cold+0x88/0x6f7 [ 17.362819][ T158] ? console_suspend+0x150/0x150 [ 17.362825][ T158] ? console_list_lock+0x4c/0x60 [ 17.362826][ T158] unregister_console+0x1f/0x40 [ 17.362829][ T158] enabled_store+0x5b0/0x750 [netconsole] [ 17.362832][ T158] ? __kasan_kmalloc+0x7b/0x90 [ 17.362836][ T158] ? netconsole_write_ext+0x20/0x20 [netconsole] [ 17.362838][ T158] ? down_write_killable_nested+0x270/0x270 [ 17.362839][ T158] ? __kmalloc_cache_noprof+0x240/0x620 [ 17.362842][ T158] ? configfs_write_iter+0x336/0x4b0 [ 17.362846][ T158] ? netconsole_write_ext+0x20/0x20 [netconsole] [ 17.362848][ T158] configfs_write_iter+0x2c0/0x4b0 [ 17.362851][ T158] ? configfs_bin_write_iter+0x530/0x530 [ 17.362854][ T158] new_sync_write+0x33e/0x760 [ 17.362856][ T158] ? __lock_acquire+0x518/0xc20 [ 17.362859][ T158] ? new_sync_read+0x750/0x750 [ 17.362862][ T158] ? lock_acquire.part.0+0xd4/0x280 [ 17.362864][ T158] ? ksys_write+0x116/0x250 [ 17.362871][ T158] vfs_write+0x6a2/0xbd0 [ 17.362875][ T158] ksys_write+0x116/0x250 [ 17.362878][ T158] ? __ia32_sys_read+0xc0/0xc0 [ 17.362880][ T158] ? rcu_is_watching+0x16/0xd0 [ 17.362882][ T158] ? rcu_is_watching+0x16/0xd0 [ 17.362886][ T158] do_syscall_64+0xff/0x530 [ 17.362888][ T158] ? exc_page_fault+0xee/0x100 [ 17.362892][ T158] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.362894][ T158] RIP: 0033:0x7fe65603454e [ 17.362898][ 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 [ 17.362900][ T158] RSP: 002b:00007ffd38f4e3d0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 17.362903][ T158] RAX: ffffffffffffffda RBX: 00007fe6561b5580 RCX: 00007fe65603454e [ 17.362905][ T158] RDX: 0000000000000002 RSI: 000055cec1f4b0f0 RDI: 0000000000000001 [ 17.362906][ T158] RBP: 00007ffd38f4e3e0 R08: 0000000000000000 R09: 0000000000000000 [ 17.362907][ T158] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 17.362908][ T158] R13: 0000000000000002 R14: 000055cec1f4b0f0 R15: 0000000000000000 [ 17.362915][ T158]