[ 9.169745][ T169] netconsole: network logging started [ 9.169762][ T169] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.169764][ T169] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 169, name: modprobe [ 9.169766][ T169] preempt_count: 1, expected: 0 [ 9.169767][ T169] RCU nest depth: 0, expected: 0 [ 9.169768][ T169] locks held by modprobe/169: 4, last CPU#1: [ 9.169770][ T169] #0: ffffffff95f99cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.169782][ T169] #1: ffffffff95f99d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.169787][ T169] #2: ffffffff95e89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.169790][ T169] #3: ffffffff95e89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 9.169794][ T169] irq event stamp: 23544 [ 9.169795][ T169] hardirqs last enabled at (23543): [] __down_trylock_console_sem+0x86/0xa0 [ 9.169797][ T169] hardirqs last disabled at (23544): [] console_emit_next_record+0x3f8/0x4f0 [ 9.169798][ T169] softirqs last enabled at (21054): [] handle_softirqs+0x67c/0x900 [ 9.169802][ T169] softirqs last disabled at (20947): [] __irq_exit_rcu+0x145/0x1c0 [ 9.169804][ T169] Preemption disabled at: [ 9.169805][ T169] [] vprintk_emit+0x31b/0x3e0 [ 9.169810][ T169] CPU: 1 UID: 0 PID: 169 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.169814][ T169] Tainted: [W]=WARN [ 9.169815][ T169] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.169817][ T169] Call Trace: [ 9.169819][ T169] [ 9.169820][ T169] dump_stack_lvl+0x6f/0xa0 [ 9.169826][ T169] ? vprintk_emit+0x31b/0x3e0 [ 9.169828][ T169] __might_resched.cold+0x1fe/0x2c1 [ 9.169832][ T169] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.169836][ T169] ? __kmalloc_noprof+0xdb/0x760 [ 9.169840][ T169] __kmalloc_noprof+0x443/0x760 [ 9.169842][ T169] ? alloc_buf.isra.0+0x4b/0x260 [ 9.169848][ T169] ? do_raw_spin_unlock+0x59/0x250 [ 9.169850][ T169] alloc_buf.isra.0+0x4b/0x260 [ 9.169853][ T169] put_chars+0x1e1/0x2f0 [ 9.169856][ T169] ? __send_to_port+0x420/0x420 [ 9.169859][ T169] ? validate_chain+0x38b/0xc20 [ 9.169864][ T169] hvc_console_print+0x292/0x780 [ 9.169870][ T169] ? hvc_write+0x3a0/0x3a0 [ 9.169872][ T169] ? rcu_is_watching+0x16/0xd0 [ 9.169876][ T169] ? lock_acquire+0x13c/0x160 [ 9.169880][ T169] console_emit_next_record+0x252/0x4f0 [ 9.169883][ T169] ? devkmsg_read+0x4e0/0x4e0 [ 9.169888][ T169] ? rcu_is_watching+0x16/0xd0 [ 9.169890][ T169] ? lock_acquire+0x13c/0x160 [ 9.169896][ T169] console_flush_one_record+0x46f/0x710 [ 9.169900][ T169] ? console_emit_next_record+0x4f0/0x4f0 [ 9.169902][ T169] ? __lock_acquire+0x518/0xc20 [ 9.169907][ T169] console_unlock+0xee/0x1f0 [ 9.169915][ T169] ? console_flush_one_record+0x710/0x710 [ 9.169917][ T169] ? rcu_is_watching+0x16/0xd0 [ 9.169919][ T169] ? lock_acquire+0x60/0x160 [ 9.169923][ T169] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.169924][ T169] ? vprintk_emit+0x320/0x3e0 [ 9.169927][ T169] vprintk_emit+0x37c/0x3e0 [ 9.169931][ T169] ? wake_up_klogd_work_func+0x90/0x90 [ 9.169933][ T169] ? find_held_lock+0x2b/0x80 [ 9.169936][ T169] ? __lock_release.isra.0+0x69/0x1a0 [ 9.169938][ T169] ? fast_dput+0x316/0x540 [ 9.169942][ T169] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 9.169947][ T169] _printk+0xc7/0x100 [ 9.169951][ T169] ? snapshot_read.cold+0x21/0x21 [ 9.169953][ T169] ? __up_write+0x2e5/0x5f0 [ 9.169957][ T169] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 9.169961][ T169] ? configfs_register_subsystem+0x340/0x570 [ 9.169965][ T169] init_netconsole+0x4a8/0x1000 [netconsole] [ 9.169969][ T169] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 9.169976][ T169] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 9.169978][ T169] do_one_initcall+0x124/0x4f0 [ 9.169982][ T169] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 9.169987][ T169] ? do_init_module+0xae/0x8a0 [ 9.169990][ T169] ? kasan_unpoison+0x44/0x70 [ 9.169995][ T169] do_init_module+0x2ad/0x8a0 [ 9.169998][ T169] ? lockdep_hardirqs_on+0x91/0x130 [ 9.170002][ T169] ? free_module+0x470/0x470 [ 9.170005][ T169] ? kfree+0x123/0x590 [ 9.170009][ T169] load_module+0x1424/0x1bb0 [ 9.170016][ T169] ? layout_and_allocate.isra.0+0x680/0x680 [ 9.170020][ T169] ? __ia32_sys_fsconfig+0x180/0x180 [ 9.170023][ T169] ? ovl_real_file+0x172/0x1e0 [ 9.170026][ T169] ? backing_file_read_iter+0x541/0x790 [ 9.170030][ T169] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.170034][ T169] init_module_from_file+0x11f/0x1a0 [ 9.170037][ T169] ? __do_sys_init_module+0x220/0x220 [ 9.170045][ T169] ? __rwlock_init+0x150/0x150 [ 9.170048][ T169] ? do_raw_spin_unlock+0x59/0x250 [ 9.170051][ T169] idempotent_init_module+0x37b/0x7c0 [ 9.170054][ T169] ? init_module_from_file+0x1a0/0x1a0 [ 9.170060][ T169] ? rcu_is_watching+0x16/0xd0 [ 9.170062][ T169] ? cap_capable+0x1d7/0x3d0 [ 9.170068][ T169] __x64_sys_finit_module+0xdf/0x190 [ 9.170070][ T169] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 9.170074][ T169] do_syscall_64+0xff/0x530 [ 9.170076][ T169] ? exc_page_fault+0xee/0x100 [ 9.170079][ T169] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.170081][ T169] RIP: 0033:0x7f2be235f37d [ 9.170085][ T169] 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 [ 9.170086][ T169] RSP: 002b:00007ffc834c9138 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 9.170089][ T169] RAX: ffffffffffffffda RBX: 00005644c468e700 RCX: 00007f2be235f37d [ 9.170090][ T169] RDX: 0000000000000000 RSI: 000056449a9a7ffd RDI: 0000000000000005 [ 9.170091][ T169] RBP: 00007ffc834c91d0 R08: 0000000000000000 R09: 0000000000000000 [ 9.170092][ T169] R10: 0000000000000000 R11: 0000000000000246 R12: 000056449a9a7ffd [ 9.170093][ T169] R13: 00005644c468e810 R14: 0000000000040000 R15: 0000000000000000 [ 9.170100][ T169] [ 9.672991][ T89] netdevsim netdevsim735 eni735np1: renamed from eth0 [ 9.703390][ T85] netdevsim netdevsim288 eni288np1: renamed from eth1 [ 10.218225][ T157] printk: console [netcon_ext0] enabled [ 10.218275][ T157] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.218278][ T157] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 157, name: bash [ 10.218280][ T157] preempt_count: 1, expected: 0 [ 10.218281][ T157] RCU nest depth: 0, expected: 0 [ 10.218282][ T157] locks held by bash/157: 9, last CPU#1: [ 10.218284][ T157] #0: ff11000009ebc430 (sb_writers#9){.+.+}-{0:0}, at: ksys_write+0x116/0x250 [ 10.218297][ T157] #1: ff110000092bb780 (&buffer->mutex){+.+.}-{4:4}, at: configfs_write_iter+0x71/0x4b0 [ 10.218305][ T157] #2: ff1100000d4ee9b0 (&p->frag_sem){.+.+}-{4:4}, at: configfs_write_iter+0x1db/0x4b0 [ 10.218309][ T157] #3: ffffffffc0237880 (dynamic_netconsole_mutex){+.+.}-{4:4}, at: enabled_store+0xa0/0x750 [netconsole] [ 10.218315][ T157] #4: ffffffff95f9a240 (console_mutex){+.+.}-{4:4}, at: register_console+0xe6/0xb60 [ 10.218321][ T157] #5: ffffffff95f99cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.218325][ T157] #6: ffffffff95f99d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.218329][ T157] #7: ffffffff95e89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.218333][ T157] #8: ffffffff95e89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 10.218337][ T157] irq event stamp: 105576 [ 10.218339][ T157] hardirqs last enabled at (105575): [] __down_trylock_console_sem+0x86/0xa0 [ 10.218341][ T157] hardirqs last disabled at (105576): [] console_emit_next_record+0x3f8/0x4f0 [ 10.218343][ T157] softirqs last enabled at (104310): [] restore_fpregs_from_user+0x1cf/0x490 [ 10.218347][ T157] softirqs last disabled at (104308): [] restore_fpregs_from_user+0xc3/0x490 [ 10.218349][ T157] Preemption disabled at: [ 10.218350][ T157] [] vprintk_emit+0x31b/0x3e0 [ 10.218355][ T157] CPU: 1 UID: 0 PID: 157 Comm: bash Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.218359][ T157] Tainted: [W]=WARN [ 10.218360][ T157] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.218362][ T157] Call Trace: [ 10.218364][ T157] [ 10.218365][ T157] dump_stack_lvl+0x6f/0xa0 [ 10.218370][ T157] ? vprintk_emit+0x31b/0x3e0 [ 10.218373][ T157] __might_resched.cold+0x1fe/0x2c1 [ 10.218377][ T157] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.218381][ T157] ? __kmalloc_noprof+0xdb/0x760 [ 10.218385][ T157] __kmalloc_noprof+0x443/0x760 [ 10.218388][ T157] ? alloc_buf.isra.0+0x4b/0x260 [ 10.218393][ T157] ? do_raw_spin_unlock+0x59/0x250 [ 10.218396][ T157] alloc_buf.isra.0+0x4b/0x260 [ 10.218399][ T157] put_chars+0x1e1/0x2f0 [ 10.218402][ T157] ? __send_to_port+0x420/0x420 [ 10.218403][ T157] ? printk_get_next_message+0x2fe/0x7d0 [ 10.218407][ T157] ? validate_chain+0x34a/0xc20 [ 10.218412][ T157] hvc_console_print+0x292/0x780 [ 10.218415][ T157] ? __lock_acquire+0x518/0xc20 [ 10.218416][ T157] ? __lock_acquire+0x518/0xc20 [ 10.218420][ T157] ? hvc_write+0x3a0/0x3a0 [ 10.218424][ T157] ? rcu_is_watching+0x16/0xd0 [ 10.218427][ T157] ? lock_acquire+0x13c/0x160 [ 10.218431][ T157] console_emit_next_record+0x252/0x4f0 [ 10.218435][ T157] ? devkmsg_read+0x4e0/0x4e0 [ 10.218440][ T157] ? rcu_is_watching+0x16/0xd0 [ 10.218442][ T157] ? lock_acquire+0x13c/0x160 [ 10.218446][ T157] console_flush_one_record+0x46f/0x710 [ 10.218450][ T157] ? console_emit_next_record+0x4f0/0x4f0 [ 10.218452][ T157] ? __lock_acquire+0x518/0xc20 [ 10.218457][ T157] console_unlock+0xee/0x1f0 [ 10.218459][ T157] ? console_flush_one_record+0x710/0x710 [ 10.218461][ T157] ? rcu_is_watching+0x16/0xd0 [ 10.218463][ T157] ? lock_acquire+0x60/0x160 [ 10.218467][ T157] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.218468][ T157] ? vprintk_emit+0x320/0x3e0 [ 10.218472][ T157] vprintk_emit+0x37c/0x3e0 [ 10.218475][ T157] ? wake_up_klogd_work_func+0x90/0x90 [ 10.218481][ T157] _printk+0xc7/0x100 [ 10.218485][ T157] ? snapshot_read.cold+0x21/0x21 [ 10.218489][ T157] ? mark_held_locks+0x40/0x70 [ 10.218492][ T157] ? lockdep_hardirqs_on+0x91/0x130 [ 10.218498][ T157] register_console+0x8a0/0xb60 [ 10.218501][ T157] ? get_init_console_seq.constprop.0.isra.0+0x290/0x290 [ 10.218504][ T157] ? rcu_is_watching+0x16/0xd0 [ 10.218509][ T157] enabled_store+0x623/0x750 [netconsole] [ 10.218511][ T157] ? __kasan_kmalloc+0x7b/0x90 [ 10.218515][ T157] ? netconsole_write_ext+0x20/0x20 [netconsole] [ 10.218517][ T157] ? down_write_killable_nested+0x270/0x270 [ 10.218520][ T157] ? __kmalloc_cache_noprof+0x241/0x620 [ 10.218522][ T157] ? configfs_write_iter+0x336/0x4b0 [ 10.218526][ T157] ? netconsole_write_ext+0x20/0x20 [netconsole] [ 10.218528][ T157] configfs_write_iter+0x2c0/0x4b0 [ 10.218531][ T157] ? configfs_bin_write_iter+0x530/0x530 [ 10.218534][ T157] new_sync_write+0x33e/0x760 [ 10.218537][ T157] ? __lock_acquire+0x518/0xc20 [ 10.218539][ T157] ? new_sync_read+0x750/0x750 [ 10.218542][ T157] ? lock_acquire.part.0+0xd4/0x280 [ 10.218544][ T157] ? ksys_write+0x116/0x250 [ 10.218551][ T157] vfs_write+0x6a2/0xbd0 [ 10.218555][ T157] ksys_write+0x116/0x250 [ 10.218558][ T157] ? __ia32_sys_read+0xc0/0xc0 [ 10.218560][ T157] ? do_raw_spin_unlock+0x59/0x250 [ 10.218563][ T157] ? rcu_is_watching+0x16/0xd0 [ 10.218566][ T157] do_syscall_64+0xff/0x530 [ 10.218568][ T157] ? exc_page_fault+0xee/0x100 [ 10.218571][ T157] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.218573][ T157] RIP: 0033:0x7f0133fc654e [ 10.218577][ T157] 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 [ 10.218579][ T157] RSP: 002b:00007ffed04f8590 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 10.218582][ T157] RAX: ffffffffffffffda RBX: 00007f0134147580 RCX: 00007f0133fc654e [ 10.218583][ T157] RDX: 0000000000000002 RSI: 0000563eb383b0f0 RDI: 0000000000000001 [ 10.218585][ T157] RBP: 00007ffed04f85a0 R08: 0000000000000000 R09: 0000000000000000 [ 10.218586][ T157] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 10.218586][ T157] R13: 0000000000000002 R14: 0000563eb383b0f0 R15: 0000000000000000 [ 10.218594][ T157] [ 10.247516][ T157] netconsole: netconsole: local port 6665 [ 10.248324][ T157] netconsole: netconsole: local IPv4 address 192.0.2.1 [ 10.248827][ T157] netconsole: netconsole: interface name 'eni288np1' [ 10.249374][ T157] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 10.249695][ T157] netconsole: netconsole: remote port 6666 [ 10.250041][ T157] netconsole: netconsole: remote IPv4 address 192.0.2.2 [ 10.250291][ T157] netconsole: netconsole: remote ethernet address 16:49:47:d3:18:f1 [ 10.255966][ T157] netconsole: network logging started [ 16.022142][ T157] printk: console [netcon_ext0] disabled [ 16.022168][ T157] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 16.022171][ T157] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 157, name: bash [ 16.022173][ T157] preempt_count: 1, expected: 0 [ 16.022175][ T157] RCU nest depth: 0, expected: 0 [ 16.022176][ T157] locks held by bash/157: 9, last CPU#0: [ 16.022179][ T157] #0: ff11000009ebc430 (sb_writers#9){.+.+}-{0:0}, at: ksys_write+0x116/0x250 [ 16.022194][ T157] #1: ff1100000a4b2280 (&buffer->mutex){+.+.}-{4:4}, at: configfs_write_iter+0x71/0x4b0 [ 16.022202][ T157] #2: ff1100000d4ee9b0 (&p->frag_sem){.+.+}-{4:4}, at: configfs_write_iter+0x1db/0x4b0 [ 16.022207][ T157] #3: ffffffffc0237880 (dynamic_netconsole_mutex){+.+.}-{4:4}, at: enabled_store+0xa0/0x750 [netconsole] [ 16.022214][ T157] #4: ffffffff95f9a240 (console_mutex){+.+.}-{4:4}, at: unregister_console+0x16/0x40 [ 16.022220][ T157] #5: ffffffff95f99cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 16.022224][ T157] #6: ffffffff95f99d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 16.022229][ T157] #7: ffffffff95e89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 16.022233][ T157] #8: ffffffff95e89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 16.022238][ T157] irq event stamp: 615438 [ 16.022240][ T157] hardirqs last enabled at (615437): [] __down_trylock_console_sem+0x86/0xa0 [ 16.022242][ T157] hardirqs last disabled at (615438): [] console_emit_next_record+0x3f8/0x4f0 [ 16.022244][ T157] softirqs last enabled at (615210): [] restore_fpregs_from_user+0x1cf/0x490 [ 16.022247][ T157] softirqs last disabled at (615208): [] restore_fpregs_from_user+0xc3/0x490 [ 16.022250][ T157] Preemption disabled at: [ 16.022251][ T157] [] vprintk_emit+0x31b/0x3e0 [ 16.022256][ T157] CPU: 0 UID: 0 PID: 157 Comm: bash Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 16.022260][ T157] Tainted: [W]=WARN [ 16.022261][ T157] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.022263][ T157] Call Trace: [ 16.022265][ T157] [ 16.022266][ T157] dump_stack_lvl+0x6f/0xa0 [ 16.022272][ T157] ? vprintk_emit+0x31b/0x3e0 [ 16.022274][ T157] __might_resched.cold+0x1fe/0x2c1 [ 16.022279][ T157] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 16.022283][ T157] ? __kmalloc_noprof+0xdb/0x760 [ 16.022287][ T157] __kmalloc_noprof+0x443/0x760 [ 16.022289][ T157] ? alloc_buf.isra.0+0x4b/0x260 [ 16.022295][ T157] ? do_raw_spin_unlock+0x59/0x250 [ 16.022298][ T157] alloc_buf.isra.0+0x4b/0x260 [ 16.022301][ T157] put_chars+0x1e1/0x2f0 [ 16.022304][ T157] ? __send_to_port+0x420/0x420 [ 16.022306][ T157] ? desc_read_finalized_seq+0x41/0x120 [ 16.022309][ T157] ? rcu_read_lock_any_held+0x3c/0x90 [ 16.022313][ T157] ? validate_chain+0x38b/0xc20 [ 16.022318][ T157] hvc_console_print+0x292/0x780 [ 16.022320][ T157] ? __lock_acquire+0x518/0xc20 [ 16.022322][ T157] ? __lock_acquire+0x518/0xc20 [ 16.022327][ T157] ? hvc_write+0x3a0/0x3a0 [ 16.022328][ T157] ? console_emit_next_record+0x202/0x4f0 [ 16.022331][ T157] ? rcu_is_watching+0x16/0xd0 [ 16.022334][ T157] ? lock_acquire+0x13c/0x160 [ 16.022339][ T157] console_emit_next_record+0x252/0x4f0 [ 16.022343][ T157] ? devkmsg_read+0x4e0/0x4e0 [ 16.022347][ T157] ? rcu_is_watching+0x16/0xd0 [ 16.022349][ T157] ? lock_acquire+0x13c/0x160 [ 16.022354][ T157] console_flush_one_record+0x46f/0x710 [ 16.022358][ T157] ? console_emit_next_record+0x4f0/0x4f0 [ 16.022360][ T157] ? __lock_acquire+0x518/0xc20 [ 16.022365][ T157] console_unlock+0xee/0x1f0 [ 16.022368][ T157] ? console_flush_one_record+0x710/0x710 [ 16.022370][ T157] ? rcu_is_watching+0x16/0xd0 [ 16.022372][ T157] ? lock_acquire+0x60/0x160 [ 16.022376][ T157] ? __down_trylock_console_sem+0x5e/0xa0 [ 16.022377][ T157] ? vprintk_emit+0x320/0x3e0 [ 16.022381][ T157] vprintk_emit+0x37c/0x3e0 [ 16.022385][ T157] ? wake_up_klogd_work_func+0x90/0x90 [ 16.022388][ T157] ? lock_acquire+0x13c/0x160 [ 16.022389][ T157] ? rcu_is_watching+0x16/0xd0 [ 16.022391][ T157] ? rcu_is_watching+0x16/0xd0 [ 16.022395][ T157] _printk+0xc7/0x100 [ 16.022399][ T157] ? snapshot_read.cold+0x21/0x21 [ 16.022402][ T157] ? find_held_lock+0x2b/0x80 [ 16.022406][ T157] ? ww_mutex_lock+0x160/0x160 [ 16.022409][ T157] ? __lock_release.isra.0+0x69/0x1a0 [ 16.022414][ T157] unregister_console_locked.cold+0x88/0x6f7 [ 16.022418][ T157] ? console_suspend+0x150/0x150 [ 16.022424][ T157] ? console_list_lock+0x4c/0x60 [ 16.022426][ T157] unregister_console+0x1f/0x40 [ 16.022429][ T157] enabled_store+0x5b0/0x750 [netconsole] [ 16.022431][ T157] ? __kasan_kmalloc+0x7b/0x90 [ 16.022435][ T157] ? netconsole_write_ext+0x20/0x20 [netconsole] [ 16.022437][ T157] ? down_write_killable_nested+0x270/0x270 [ 16.022439][ T157] ? __kmalloc_cache_noprof+0x240/0x620 [ 16.022441][ T157] ? configfs_write_iter+0x336/0x4b0 [ 16.022446][ T157] ? netconsole_write_ext+0x20/0x20 [netconsole] [ 16.022448][ T157] configfs_write_iter+0x2c0/0x4b0 [ 16.022451][ T157] ? configfs_bin_write_iter+0x530/0x530 [ 16.022454][ T157] new_sync_write+0x33e/0x760 [ 16.022457][ T157] ? __lock_acquire+0x518/0xc20 [ 16.022460][ T157] ? new_sync_read+0x750/0x750 [ 16.022463][ T157] ? lock_acquire.part.0+0xd4/0x280 [ 16.022465][ T157] ? ksys_write+0x116/0x250 [ 16.022472][ T157] vfs_write+0x6a2/0xbd0 [ 16.022476][ T157] ksys_write+0x116/0x250 [ 16.022479][ T157] ? __ia32_sys_read+0xc0/0xc0 [ 16.022481][ T157] ? rcu_is_watching+0x16/0xd0 [ 16.022484][ T157] ? rcu_is_watching+0x16/0xd0 [ 16.022487][ T157] do_syscall_64+0xff/0x530 [ 16.022490][ T157] ? exc_page_fault+0xee/0x100 [ 16.022493][ T157] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 16.022496][ T157] RIP: 0033:0x7f0133fc654e [ 16.022499][ T157] 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 [ 16.022501][ T157] RSP: 002b:00007ffed04f7b10 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 16.022504][ T157] RAX: ffffffffffffffda RBX: 00007f0134147580 RCX: 00007f0133fc654e [ 16.022506][ T157] RDX: 0000000000000002 RSI: 0000563eb383b0f0 RDI: 0000000000000001 [ 16.022507][ T157] RBP: 00007ffed04f7b20 R08: 0000000000000000 R09: 0000000000000000 [ 16.022508][ T157] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 16.022509][ T157] R13: 0000000000000002 R14: 0000563eb383b0f0 R15: 0000000000000000 [ 16.022516][ T157]