[ 11.492110][ T170] netconsole: network logging started [ 11.492127][ T170] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.492130][ T170] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 170, name: modprobe [ 11.492131][ T170] preempt_count: 1, expected: 0 [ 11.492132][ T170] RCU nest depth: 0, expected: 0 [ 11.492133][ T170] locks held by modprobe/170: 4, last CPU#1: [ 11.492136][ T170] #0: ffffffff97f99cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.492148][ T170] #1: ffffffff97f99d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.492152][ T170] #2: ffffffff97e89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.492155][ T170] #3: ffffffff97e89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 11.492159][ T170] irq event stamp: 25910 [ 11.492160][ T170] hardirqs last enabled at (25909): [] __down_trylock_console_sem+0x86/0xa0 [ 11.492162][ T170] hardirqs last disabled at (25910): [] console_emit_next_record+0x3f8/0x4f0 [ 11.492164][ T170] softirqs last enabled at (25632): [] handle_softirqs+0x67c/0x900 [ 11.492167][ T170] softirqs last disabled at (24783): [] __irq_exit_rcu+0x145/0x1c0 [ 11.492170][ T170] Preemption disabled at: [ 11.492171][ T170] [] vprintk_emit+0x31b/0x3e0 [ 11.492180][ T170] CPU: 1 UID: 0 PID: 170 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.492184][ T170] Tainted: [W]=WARN [ 11.492185][ T170] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.492187][ T170] Call Trace: [ 11.492189][ T170] [ 11.492190][ T170] dump_stack_lvl+0x6f/0xa0 [ 11.492196][ T170] ? vprintk_emit+0x31b/0x3e0 [ 11.492198][ T170] __might_resched.cold+0x1fe/0x2c1 [ 11.492202][ T170] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.492206][ T170] ? __kmalloc_noprof+0xdb/0x760 [ 11.492211][ T170] __kmalloc_noprof+0x443/0x760 [ 11.492213][ T170] ? alloc_buf.isra.0+0x4b/0x260 [ 11.492219][ T170] ? do_raw_spin_unlock+0x59/0x250 [ 11.492221][ T170] alloc_buf.isra.0+0x4b/0x260 [ 11.492224][ T170] put_chars+0x1e1/0x2f0 [ 11.492227][ T170] ? __send_to_port+0x420/0x420 [ 11.492230][ T170] ? validate_chain+0x38b/0xc20 [ 11.492235][ T170] hvc_console_print+0x292/0x780 [ 11.492241][ T170] ? hvc_write+0x3a0/0x3a0 [ 11.492243][ T170] ? rcu_is_watching+0x16/0xd0 [ 11.492246][ T170] ? lock_acquire+0x13c/0x160 [ 11.492250][ T170] console_emit_next_record+0x252/0x4f0 [ 11.492253][ T170] ? devkmsg_read+0x4e0/0x4e0 [ 11.492257][ T170] ? rcu_is_watching+0x16/0xd0 [ 11.492259][ T170] ? lock_acquire+0x13c/0x160 [ 11.492263][ T170] console_flush_one_record+0x46f/0x710 [ 11.492267][ T170] ? console_emit_next_record+0x4f0/0x4f0 [ 11.492268][ T170] ? __lock_acquire+0x518/0xc20 [ 11.492273][ T170] console_unlock+0xee/0x1f0 [ 11.492276][ T170] ? console_flush_one_record+0x710/0x710 [ 11.492277][ T170] ? rcu_is_watching+0x16/0xd0 [ 11.492279][ T170] ? lock_acquire+0x60/0x160 [ 11.492282][ T170] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.492284][ T170] ? vprintk_emit+0x320/0x3e0 [ 11.492287][ T170] vprintk_emit+0x37c/0x3e0 [ 11.492290][ T170] ? wake_up_klogd_work_func+0x90/0x90 [ 11.492292][ T170] ? find_held_lock+0x2b/0x80 [ 11.492296][ T170] ? __lock_release.isra.0+0x69/0x1a0 [ 11.492297][ T170] ? fast_dput+0x316/0x540 [ 11.492302][ T170] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 11.492306][ T170] _printk+0xc7/0x100 [ 11.492310][ T170] ? snapshot_read.cold+0x21/0x21 [ 11.492312][ T170] ? __up_write+0x2e5/0x5f0 [ 11.492316][ T170] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 11.492319][ T170] ? configfs_register_subsystem+0x340/0x570 [ 11.492324][ T170] init_netconsole+0x4a8/0x1000 [netconsole] [ 11.492328][ T170] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 11.492334][ T170] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 11.492337][ T170] do_one_initcall+0x124/0x4f0 [ 11.492341][ T170] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 11.492345][ T170] ? do_init_module+0xae/0x8a0 [ 11.492348][ T170] ? kasan_unpoison+0x44/0x70 [ 11.492353][ T170] do_init_module+0x2ad/0x8a0 [ 11.492357][ T170] ? lockdep_hardirqs_on+0x91/0x130 [ 11.492361][ T170] ? free_module+0x470/0x470 [ 11.492364][ T170] ? kfree+0x123/0x590 [ 11.492367][ T170] load_module+0x1424/0x1bb0 [ 11.492374][ T170] ? layout_and_allocate.isra.0+0x680/0x680 [ 11.492377][ T170] ? __ia32_sys_fsconfig+0x180/0x180 [ 11.492380][ T170] ? ovl_real_file+0x172/0x1e0 [ 11.492384][ T170] ? backing_file_read_iter+0x541/0x790 [ 11.492393][ T170] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.492397][ T170] init_module_from_file+0x11f/0x1a0 [ 11.492400][ T170] ? __do_sys_init_module+0x220/0x220 [ 11.492408][ T170] ? __rwlock_init+0x150/0x150 [ 11.492411][ T170] ? do_raw_spin_unlock+0x59/0x250 [ 11.492414][ T170] idempotent_init_module+0x37b/0x7c0 [ 11.492417][ T170] ? init_module_from_file+0x1a0/0x1a0 [ 11.492423][ T170] ? rcu_is_watching+0x16/0xd0 [ 11.492425][ T170] ? cap_capable+0x1d7/0x3d0 [ 11.492431][ T170] __x64_sys_finit_module+0xdf/0x190 [ 11.492433][ T170] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 11.492437][ T170] do_syscall_64+0xff/0x530 [ 11.492439][ T170] ? exc_page_fault+0xee/0x100 [ 11.492441][ T170] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.492444][ T170] RIP: 0033:0x7f98abd2637d [ 11.492447][ 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 [ 11.492449][ T170] RSP: 002b:00007ffcb31aae68 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 11.492451][ T170] RAX: ffffffffffffffda RBX: 00005629bf89d700 RCX: 00007f98abd2637d [ 11.492452][ T170] RDX: 0000000000000000 RSI: 0000562981f02ffd RDI: 0000000000000005 [ 11.492453][ T170] RBP: 00007ffcb31aaf00 R08: 0000000000000000 R09: 0000000000000000 [ 11.492454][ T170] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562981f02ffd [ 11.492455][ T170] R13: 00005629bf89d810 R14: 0000000000040000 R15: 0000000000000000 [ 11.492462][ T170] [ 12.063853][ T89] netdevsim netdevsim257 eni257np1: renamed from eth1 [ 12.067556][ T82] netdevsim netdevsim521 eni521np1: renamed from eth0 [ 12.652891][ T158] printk: console [netcon_ext0] enabled [ 12.652973][ T158] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.652975][ T158] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 158, name: bash [ 12.652977][ T158] preempt_count: 1, expected: 0 [ 12.652978][ T158] RCU nest depth: 0, expected: 0 [ 12.652979][ T158] locks held by bash/158: 9, last CPU#1: [ 12.652982][ T158] #0: ff11000009ee4430 (sb_writers#9){.+.+}-{0:0}, at: ksys_write+0x116/0x250 [ 12.652995][ T158] #1: ff11000008eb2880 (&buffer->mutex){+.+.}-{4:4}, at: configfs_write_iter+0x71/0x4b0 [ 12.653003][ T158] #2: ff11000004b1ab30 (&p->frag_sem){.+.+}-{4:4}, at: configfs_write_iter+0x1db/0x4b0 [ 12.653007][ T158] #3: ffffffffc0187880 (dynamic_netconsole_mutex){+.+.}-{4:4}, at: enabled_store+0xa0/0x750 [netconsole] [ 12.653014][ T158] #4: ffffffff97f9a240 (console_mutex){+.+.}-{4:4}, at: register_console+0xe6/0xb60 [ 12.653020][ T158] #5: ffffffff97f99cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.653023][ T158] #6: ffffffff97f99d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.653028][ T158] #7: ffffffff97e89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.653032][ T158] #8: ffffffff97e89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 12.653036][ T158] irq event stamp: 127372 [ 12.653038][ T158] hardirqs last enabled at (127371): [] __down_trylock_console_sem+0x86/0xa0 [ 12.653040][ T158] hardirqs last disabled at (127372): [] console_emit_next_record+0x3f8/0x4f0 [ 12.653042][ T158] softirqs last enabled at (127142): [] handle_softirqs+0x67c/0x900 [ 12.653046][ T158] softirqs last disabled at (127133): [] __irq_exit_rcu+0x145/0x1c0 [ 12.653049][ T158] Preemption disabled at: [ 12.653050][ T158] [] vprintk_emit+0x31b/0x3e0 [ 12.653056][ T158] CPU: 1 UID: 0 PID: 158 Comm: bash Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.653059][ T158] Tainted: [W]=WARN [ 12.653060][ T158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.653063][ T158] Call Trace: [ 12.653064][ T158] [ 12.653066][ T158] dump_stack_lvl+0x6f/0xa0 [ 12.653072][ T158] ? vprintk_emit+0x31b/0x3e0 [ 12.653074][ T158] __might_resched.cold+0x1fe/0x2c1 [ 12.653079][ T158] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.653082][ T158] ? __kmalloc_noprof+0xdb/0x760 [ 12.653087][ T158] __kmalloc_noprof+0x443/0x760 [ 12.653089][ T158] ? alloc_buf.isra.0+0x4b/0x260 [ 12.653095][ T158] ? do_raw_spin_unlock+0x59/0x250 [ 12.653097][ T158] alloc_buf.isra.0+0x4b/0x260 [ 12.653101][ T158] put_chars+0x1e1/0x2f0 [ 12.653105][ T158] ? __send_to_port+0x420/0x420 [ 12.653106][ T158] ? printk_get_next_message+0x2fe/0x7d0 [ 12.653110][ T158] ? validate_chain+0x34a/0xc20 [ 12.653115][ T158] hvc_console_print+0x292/0x780 [ 12.653118][ T158] ? __lock_acquire+0x518/0xc20 [ 12.653119][ T158] ? __lock_acquire+0x518/0xc20 [ 12.653124][ T158] ? hvc_write+0x3a0/0x3a0 [ 12.653127][ T158] ? rcu_is_watching+0x16/0xd0 [ 12.653131][ T158] ? lock_acquire+0x13c/0x160 [ 12.653135][ T158] console_emit_next_record+0x252/0x4f0 [ 12.653139][ T158] ? devkmsg_read+0x4e0/0x4e0 [ 12.653143][ T158] ? rcu_is_watching+0x16/0xd0 [ 12.653146][ T158] ? lock_acquire+0x13c/0x160 [ 12.653149][ T158] console_flush_one_record+0x46f/0x710 [ 12.653154][ T158] ? console_emit_next_record+0x4f0/0x4f0 [ 12.653155][ T158] ? __lock_acquire+0x518/0xc20 [ 12.653161][ T158] console_unlock+0xee/0x1f0 [ 12.653163][ T158] ? console_flush_one_record+0x710/0x710 [ 12.653165][ T158] ? rcu_is_watching+0x16/0xd0 [ 12.653167][ T158] ? lock_acquire+0x60/0x160 [ 12.653171][ T158] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.653176][ T158] ? vprintk_emit+0x320/0x3e0 [ 12.653179][ T158] vprintk_emit+0x37c/0x3e0 [ 12.653183][ T158] ? wake_up_klogd_work_func+0x90/0x90 [ 12.653189][ T158] _printk+0xc7/0x100 [ 12.653193][ T158] ? snapshot_read.cold+0x21/0x21 [ 12.653197][ T158] ? mark_held_locks+0x40/0x70 [ 12.653200][ T158] ? lockdep_hardirqs_on+0x91/0x130 [ 12.653206][ T158] register_console+0x8a0/0xb60 [ 12.653209][ T158] ? get_init_console_seq.constprop.0.isra.0+0x290/0x290 [ 12.653212][ T158] ? rcu_is_watching+0x16/0xd0 [ 12.653217][ T158] enabled_store+0x623/0x750 [netconsole] [ 12.653219][ T158] ? __kasan_kmalloc+0x7b/0x90 [ 12.653223][ T158] ? netconsole_write_ext+0x20/0x20 [netconsole] [ 12.653225][ T158] ? down_write_killable_nested+0x270/0x270 [ 12.653228][ T158] ? __kmalloc_cache_noprof+0x241/0x620 [ 12.653230][ T158] ? configfs_write_iter+0x336/0x4b0 [ 12.653234][ T158] ? netconsole_write_ext+0x20/0x20 [netconsole] [ 12.653236][ T158] configfs_write_iter+0x2c0/0x4b0 [ 12.653239][ T158] ? configfs_bin_write_iter+0x530/0x530 [ 12.653242][ T158] new_sync_write+0x33e/0x760 [ 12.653245][ T158] ? __lock_acquire+0x518/0xc20 [ 12.653247][ T158] ? new_sync_read+0x750/0x750 [ 12.653251][ T158] ? lock_acquire.part.0+0xd4/0x280 [ 12.653252][ T158] ? ksys_write+0x116/0x250 [ 12.653259][ T158] vfs_write+0x6a2/0xbd0 [ 12.653264][ T158] ksys_write+0x116/0x250 [ 12.653266][ T158] ? __ia32_sys_read+0xc0/0xc0 [ 12.653268][ T158] ? do_raw_spin_unlock+0x59/0x250 [ 12.653271][ T158] ? rcu_is_watching+0x16/0xd0 [ 12.653275][ T158] do_syscall_64+0xff/0x530 [ 12.653277][ T158] ? exc_page_fault+0xee/0x100 [ 12.653279][ T158] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.653282][ T158] RIP: 0033:0x7f0ebbfc954e [ 12.653286][ 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 [ 12.653288][ T158] RSP: 002b:00007ffdb6576cd0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 12.653291][ T158] RAX: ffffffffffffffda RBX: 00007f0ebc14a580 RCX: 00007f0ebbfc954e [ 12.653292][ T158] RDX: 0000000000000002 RSI: 000055e7260260f0 RDI: 0000000000000001 [ 12.653294][ T158] RBP: 00007ffdb6576ce0 R08: 0000000000000000 R09: 0000000000000000 [ 12.653294][ T158] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 12.653295][ T158] R13: 0000000000000002 R14: 000055e7260260f0 R15: 0000000000000000 [ 12.653303][ T158] [ 12.674904][ T158] netconsole: netconsole: local port 6665 [ 12.675226][ T158] netconsole: netconsole: local IPv4 address 192.0.2.1 [ 12.675481][ T158] netconsole: netconsole: interface name 'eni257np1' [ 12.675788][ T158] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 12.676069][ T158] netconsole: netconsole: remote port 6666 [ 12.676318][ T158] netconsole: netconsole: remote IPv4 address 192.0.2.2 [ 12.676562][ T158] netconsole: netconsole: remote ethernet address aa:c1:83:84:0c:d4 [ 12.683202][ T158] netconsole: network logging started [ 19.194550][ T158] printk: console [netcon_ext0] disabled [ 19.194579][ T158] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 19.194583][ T158] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 158, name: bash [ 19.194585][ T158] preempt_count: 1, expected: 0 [ 19.194587][ T158] RCU nest depth: 0, expected: 0 [ 19.194589][ T158] locks held by bash/158: 9, last CPU#2: [ 19.194592][ T158] #0: ff11000009ee4430 (sb_writers#9){.+.+}-{0:0}, at: ksys_write+0x116/0x250 [ 19.194610][ T158] #1: ff1100000977b780 (&buffer->mutex){+.+.}-{4:4}, at: configfs_write_iter+0x71/0x4b0 [ 19.194621][ T158] #2: ff11000004b1ab30 (&p->frag_sem){.+.+}-{4:4}, at: configfs_write_iter+0x1db/0x4b0 [ 19.194628][ T158] #3: ffffffffc0187880 (dynamic_netconsole_mutex){+.+.}-{4:4}, at: enabled_store+0xa0/0x750 [netconsole] [ 19.194638][ T158] #4: ffffffff97f9a240 (console_mutex){+.+.}-{4:4}, at: unregister_console+0x16/0x40 [ 19.194647][ T158] #5: ffffffff97f99cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 19.194653][ T158] #6: ffffffff97f99d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 19.194661][ T158] #7: ffffffff97e89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 19.194667][ T158] #8: ffffffff97e89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 19.194675][ T158] irq event stamp: 608408 [ 19.194677][ T158] hardirqs last enabled at (608407): [] __down_trylock_console_sem+0x86/0xa0 [ 19.194680][ T158] hardirqs last disabled at (608408): [] console_emit_next_record+0x3f8/0x4f0 [ 19.194684][ T158] softirqs last enabled at (608182): [] restore_fpregs_from_user+0x1cf/0x490 [ 19.194688][ T158] softirqs last disabled at (608180): [] restore_fpregs_from_user+0xc3/0x490 [ 19.194692][ T158] Preemption disabled at: [ 19.194693][ T158] [] vprintk_emit+0x31b/0x3e0 [ 19.194701][ T158] CPU: 2 UID: 0 PID: 158 Comm: bash Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 19.194706][ T158] Tainted: [W]=WARN [ 19.194708][ T158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.194710][ T158] Call Trace: [ 19.194713][ T158] [ 19.194715][ T158] dump_stack_lvl+0x6f/0xa0 [ 19.194722][ T158] ? vprintk_emit+0x31b/0x3e0 [ 19.194726][ T158] __might_resched.cold+0x1fe/0x2c1 [ 19.194732][ T158] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 19.194737][ T158] ? __kmalloc_noprof+0xdb/0x760 [ 19.194744][ T158] __kmalloc_noprof+0x443/0x760 [ 19.194747][ T158] ? alloc_buf.isra.0+0x4b/0x260 [ 19.194756][ T158] ? do_raw_spin_unlock+0x59/0x250 [ 19.194760][ T158] alloc_buf.isra.0+0x4b/0x260 [ 19.194765][ T158] put_chars+0x1e1/0x2f0 [ 19.194770][ T158] ? __send_to_port+0x420/0x420 [ 19.194772][ T158] ? desc_read_finalized_seq+0x41/0x120 [ 19.194779][ T158] ? rcu_read_lock_any_held+0x3c/0x90 [ 19.194783][ T158] ? validate_chain+0x38b/0xc20 [ 19.194792][ T158] hvc_console_print+0x292/0x780 [ 19.194795][ T158] ? __lock_acquire+0x518/0xc20 [ 19.194798][ T158] ? __lock_acquire+0x518/0xc20 [ 19.194806][ T158] ? hvc_write+0x3a0/0x3a0 [ 19.194809][ T158] ? console_emit_next_record+0x202/0x4f0 [ 19.194814][ T158] ? rcu_is_watching+0x16/0xd0 [ 19.194818][ T158] ? lock_acquire+0x13c/0x160 [ 19.194825][ T158] console_emit_next_record+0x252/0x4f0 [ 19.194832][ T158] ? devkmsg_read+0x4e0/0x4e0 [ 19.194840][ T158] ? rcu_is_watching+0x16/0xd0 [ 19.194844][ T158] ? lock_acquire+0x13c/0x160 [ 19.194851][ T158] console_flush_one_record+0x46f/0x710 [ 19.194858][ T158] ? console_emit_next_record+0x4f0/0x4f0 [ 19.194861][ T158] ? __lock_acquire+0x518/0xc20 [ 19.194870][ T158] console_unlock+0xee/0x1f0 [ 19.194874][ T158] ? console_flush_one_record+0x710/0x710 [ 19.194877][ T158] ? rcu_is_watching+0x16/0xd0 [ 19.194880][ T158] ? lock_acquire+0x60/0x160 [ 19.194887][ T158] ? __down_trylock_console_sem+0x5e/0xa0 [ 19.194890][ T158] ? vprintk_emit+0x320/0x3e0 [ 19.194895][ T158] vprintk_emit+0x37c/0x3e0 [ 19.194902][ T158] ? wake_up_klogd_work_func+0x90/0x90 [ 19.194907][ T158] ? lock_acquire+0x13c/0x160 [ 19.194909][ T158] ? rcu_is_watching+0x16/0xd0 [ 19.194911][ T158] ? rcu_is_watching+0x16/0xd0 [ 19.194919][ T158] _printk+0xc7/0x100 [ 19.194924][ T158] ? snapshot_read.cold+0x21/0x21 [ 19.194929][ T158] ? find_held_lock+0x2b/0x80 [ 19.194935][ T158] ? ww_mutex_lock+0x160/0x160 [ 19.194940][ T158] ? __lock_release.isra.0+0x69/0x1a0 [ 19.194949][ T158] unregister_console_locked.cold+0x88/0x6f7 [ 19.194955][ T158] ? console_suspend+0x150/0x150 [ 19.194965][ T158] ? console_list_lock+0x4c/0x60 [ 19.194968][ T158] unregister_console+0x1f/0x40 [ 19.194972][ T158] enabled_store+0x5b0/0x750 [netconsole] [ 19.194976][ T158] ? __kasan_kmalloc+0x7b/0x90 [ 19.194982][ T158] ? netconsole_write_ext+0x20/0x20 [netconsole] [ 19.194985][ T158] ? down_write_killable_nested+0x270/0x270 [ 19.194988][ T158] ? __kmalloc_cache_noprof+0x240/0x620 [ 19.194992][ T158] ? configfs_write_iter+0x336/0x4b0 [ 19.194999][ T158] ? netconsole_write_ext+0x20/0x20 [netconsole] [ 19.195003][ T158] configfs_write_iter+0x2c0/0x4b0 [ 19.195008][ T158] ? configfs_bin_write_iter+0x530/0x530 [ 19.195013][ T158] new_sync_write+0x33e/0x760 [ 19.195017][ T158] ? __lock_acquire+0x518/0xc20 [ 19.195022][ T158] ? new_sync_read+0x750/0x750 [ 19.195028][ T158] ? lock_acquire.part.0+0xd4/0x280 [ 19.195031][ T158] ? ksys_write+0x116/0x250 [ 19.195043][ T158] vfs_write+0x6a2/0xbd0 [ 19.195050][ T158] ksys_write+0x116/0x250 [ 19.195055][ T158] ? __ia32_sys_read+0xc0/0xc0 [ 19.195059][ T158] ? rcu_is_watching+0x16/0xd0 [ 19.195063][ T158] ? rcu_is_watching+0x16/0xd0 [ 19.195069][ T158] do_syscall_64+0xff/0x530 [ 19.195073][ T158] ? exc_page_fault+0xee/0x100 [ 19.195078][ T158] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 19.195081][ T158] RIP: 0033:0x7f0ebbfc954e [ 19.195086][ 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 [ 19.195089][ T158] RSP: 002b:00007ffdb6576250 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 19.195094][ T158] RAX: ffffffffffffffda RBX: 00007f0ebc14a580 RCX: 00007f0ebbfc954e [ 19.195096][ T158] RDX: 0000000000000002 RSI: 000055e7260260f0 RDI: 0000000000000001 [ 19.195097][ T158] RBP: 00007ffdb6576260 R08: 0000000000000000 R09: 0000000000000000 [ 19.195099][ T158] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 19.195101][ T158] R13: 0000000000000002 R14: 000055e7260260f0 R15: 0000000000000000 [ 19.195115][ T158]