[ 9.476992][ T169] netconsole: network logging started [ 9.477009][ T169] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.477011][ T169] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 169, name: modprobe [ 9.477013][ T169] preempt_count: 1, expected: 0 [ 9.477014][ T169] RCU nest depth: 0, expected: 0 [ 9.477015][ T169] locks held by modprobe/169: 4, last CPU#0: [ 9.477017][ T169] #0: ffffffffb9999cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.477029][ T169] #1: ffffffffb9999d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.477034][ T169] #2: ffffffffb9889660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.477037][ T169] #3: ffffffffb9889560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 9.477041][ T169] irq event stamp: 28794 [ 9.477042][ T169] hardirqs last enabled at (28793): [] __down_trylock_console_sem+0x86/0xa0 [ 9.477044][ T169] hardirqs last disabled at (28794): [] console_emit_next_record+0x3f8/0x4f0 [ 9.477046][ T169] softirqs last enabled at (28460): [] handle_softirqs+0x67c/0x900 [ 9.477049][ T169] softirqs last disabled at (27307): [] __irq_exit_rcu+0x145/0x1c0 [ 9.477052][ T169] Preemption disabled at: [ 9.477053][ T169] [] vprintk_emit+0x31b/0x3e0 [ 9.477058][ T169] CPU: 0 UID: 0 PID: 169 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.477062][ T169] Tainted: [W]=WARN [ 9.477063][ T169] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.477065][ T169] Call Trace: [ 9.477066][ T169] [ 9.477068][ T169] dump_stack_lvl+0x6f/0xa0 [ 9.477073][ T169] ? vprintk_emit+0x31b/0x3e0 [ 9.477075][ T169] __might_resched.cold+0x1fe/0x2c1 [ 9.477080][ T169] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.477083][ T169] ? __kmalloc_noprof+0xdb/0x760 [ 9.477093][ T169] __kmalloc_noprof+0x443/0x760 [ 9.477096][ T169] ? alloc_buf.isra.0+0x4b/0x260 [ 9.477102][ T169] ? do_raw_spin_unlock+0x59/0x250 [ 9.477104][ T169] alloc_buf.isra.0+0x4b/0x260 [ 9.477107][ T169] put_chars+0x1e1/0x2f0 [ 9.477110][ T169] ? __send_to_port+0x420/0x420 [ 9.477113][ T169] ? validate_chain+0x38b/0xc20 [ 9.477118][ T169] hvc_console_print+0x292/0x780 [ 9.477124][ T169] ? hvc_write+0x3a0/0x3a0 [ 9.477126][ T169] ? rcu_is_watching+0x16/0xd0 [ 9.477130][ T169] ? lock_acquire+0x13c/0x160 [ 9.477133][ T169] console_emit_next_record+0x252/0x4f0 [ 9.477137][ T169] ? devkmsg_read+0x4e0/0x4e0 [ 9.477141][ T169] ? rcu_is_watching+0x16/0xd0 [ 9.477143][ T169] ? lock_acquire+0x13c/0x160 [ 9.477146][ T169] console_flush_one_record+0x46f/0x710 [ 9.477150][ T169] ? console_emit_next_record+0x4f0/0x4f0 [ 9.477152][ T169] ? __lock_acquire+0x518/0xc20 [ 9.477156][ T169] console_unlock+0xee/0x1f0 [ 9.477159][ T169] ? console_flush_one_record+0x710/0x710 [ 9.477160][ T169] ? rcu_is_watching+0x16/0xd0 [ 9.477162][ T169] ? lock_acquire+0x60/0x160 [ 9.477166][ T169] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.477167][ T169] ? vprintk_emit+0x320/0x3e0 [ 9.477170][ T169] vprintk_emit+0x37c/0x3e0 [ 9.477174][ T169] ? wake_up_klogd_work_func+0x90/0x90 [ 9.477175][ T169] ? find_held_lock+0x2b/0x80 [ 9.477179][ T169] ? __lock_release.isra.0+0x69/0x1a0 [ 9.477180][ T169] ? fast_dput+0x316/0x540 [ 9.477185][ T169] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 9.477189][ T169] _printk+0xc7/0x100 [ 9.477193][ T169] ? snapshot_read.cold+0x21/0x21 [ 9.477196][ T169] ? __up_write+0x2e5/0x5f0 [ 9.477199][ T169] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 9.477203][ T169] ? configfs_register_subsystem+0x340/0x570 [ 9.477208][ T169] init_netconsole+0x4a8/0x1000 [netconsole] [ 9.477211][ T169] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 9.477218][ T169] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 9.477220][ T169] do_one_initcall+0x124/0x4f0 [ 9.477224][ T169] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 9.477228][ T169] ? do_init_module+0xae/0x8a0 [ 9.477231][ T169] ? kasan_unpoison+0x44/0x70 [ 9.477236][ T169] do_init_module+0x2ad/0x8a0 [ 9.477240][ T169] ? lockdep_hardirqs_on+0x91/0x130 [ 9.477244][ T169] ? free_module+0x470/0x470 [ 9.477247][ T169] ? kfree+0x123/0x590 [ 9.477251][ T169] load_module+0x1424/0x1bb0 [ 9.477257][ T169] ? layout_and_allocate.isra.0+0x680/0x680 [ 9.477261][ T169] ? __ia32_sys_fsconfig+0x180/0x180 [ 9.477264][ T169] ? ovl_real_file+0x172/0x1e0 [ 9.477267][ T169] ? backing_file_read_iter+0x541/0x790 [ 9.477271][ T169] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.477275][ T169] init_module_from_file+0x11f/0x1a0 [ 9.477278][ T169] ? __do_sys_init_module+0x220/0x220 [ 9.477286][ T169] ? __rwlock_init+0x150/0x150 [ 9.477289][ T169] ? do_raw_spin_unlock+0x59/0x250 [ 9.477292][ T169] idempotent_init_module+0x37b/0x7c0 [ 9.477295][ T169] ? init_module_from_file+0x1a0/0x1a0 [ 9.477301][ T169] ? rcu_is_watching+0x16/0xd0 [ 9.477303][ T169] ? cap_capable+0x1d7/0x3d0 [ 9.477308][ T169] __x64_sys_finit_module+0xdf/0x190 [ 9.477310][ T169] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 9.477315][ T169] do_syscall_64+0xff/0x530 [ 9.477316][ T169] ? exc_page_fault+0xee/0x100 [ 9.477319][ T169] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.477321][ T169] RIP: 0033:0x7f1b6c40f37d [ 9.477325][ 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 [ 9.477327][ T169] RSP: 002b:00007ffff19d7988 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 9.477329][ T169] RAX: ffffffffffffffda RBX: 000055b9f024e700 RCX: 00007f1b6c40f37d [ 9.477331][ T169] RDX: 0000000000000000 RSI: 000055b9dbeaeffd RDI: 0000000000000005 [ 9.477332][ T169] RBP: 00007ffff19d7a20 R08: 0000000000000000 R09: 0000000000000000 [ 9.477332][ T169] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b9dbeaeffd [ 9.477333][ T169] R13: 000055b9f024e810 R14: 0000000000040000 R15: 0000000000000000 [ 9.477340][ T169] [ 9.922741][ T183] ip (183) used greatest stack depth: 23768 bytes left [ 10.043681][ T86] netdevsim netdevsim710 eni710np1: renamed from eth0 [ 10.079624][ T83] netdevsim netdevsim422 eni422np1: renamed from eth1 [ 10.621835][ T157] printk: console [netcon_ext0] enabled [ 10.621882][ T157] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.621884][ T157] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 157, name: bash [ 10.621886][ T157] preempt_count: 1, expected: 0 [ 10.621886][ T157] RCU nest depth: 0, expected: 0 [ 10.621887][ T157] locks held by bash/157: 9, last CPU#2: [ 10.621890][ T157] #0: ff11000009e6c430 (sb_writers#9){.+.+}-{0:0}, at: ksys_write+0x116/0x250 [ 10.621903][ T157] #1: ff11000004d0f180 (&buffer->mutex){+.+.}-{4:4}, at: configfs_write_iter+0x71/0x4b0 [ 10.621911][ T157] #2: ff1100000d66deb0 (&p->frag_sem){.+.+}-{4:4}, at: configfs_write_iter+0x1db/0x4b0 [ 10.621915][ T157] #3: ffffffffc00fa880 (dynamic_netconsole_mutex){+.+.}-{4:4}, at: enabled_store+0xa0/0x750 [netconsole] [ 10.621922][ T157] #4: ffffffffb999a240 (console_mutex){+.+.}-{4:4}, at: register_console+0xe6/0xb60 [ 10.621928][ T157] #5: ffffffffb9999cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.621931][ T157] #6: ffffffffb9999d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.621936][ T157] #7: ffffffffb9889660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.621939][ T157] #8: ffffffffb9889560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 10.621944][ T157] irq event stamp: 105248 [ 10.621945][ T157] hardirqs last enabled at (105247): [] __down_trylock_console_sem+0x86/0xa0 [ 10.621947][ T157] hardirqs last disabled at (105248): [] console_emit_next_record+0x3f8/0x4f0 [ 10.621949][ T157] softirqs last enabled at (105238): [] handle_softirqs+0x67c/0x900 [ 10.621953][ T157] softirqs last disabled at (105231): [] __irq_exit_rcu+0x145/0x1c0 [ 10.621956][ T157] Preemption disabled at: [ 10.621957][ T157] [] vprintk_emit+0x31b/0x3e0 [ 10.621962][ T157] CPU: 2 UID: 0 PID: 157 Comm: bash Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.621966][ T157] Tainted: [W]=WARN [ 10.621967][ T157] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.621969][ T157] Call Trace: [ 10.621971][ T157] [ 10.621973][ T157] dump_stack_lvl+0x6f/0xa0 [ 10.621978][ T157] ? vprintk_emit+0x31b/0x3e0 [ 10.621980][ T157] __might_resched.cold+0x1fe/0x2c1 [ 10.621985][ T157] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.621989][ T157] ? __kmalloc_noprof+0xdb/0x760 [ 10.621993][ T157] __kmalloc_noprof+0x443/0x760 [ 10.621995][ T157] ? alloc_buf.isra.0+0x4b/0x260 [ 10.622001][ T157] ? do_raw_spin_unlock+0x59/0x250 [ 10.622004][ T157] alloc_buf.isra.0+0x4b/0x260 [ 10.622007][ T157] put_chars+0x1e1/0x2f0 [ 10.622010][ T157] ? __send_to_port+0x420/0x420 [ 10.622012][ T157] ? printk_get_next_message+0x2fe/0x7d0 [ 10.622016][ T157] ? validate_chain+0x34a/0xc20 [ 10.622020][ T157] hvc_console_print+0x292/0x780 [ 10.622023][ T157] ? __lock_acquire+0x518/0xc20 [ 10.622025][ T157] ? __lock_acquire+0x518/0xc20 [ 10.622029][ T157] ? hvc_write+0x3a0/0x3a0 [ 10.622032][ T157] ? rcu_is_watching+0x16/0xd0 [ 10.622036][ T157] ? lock_acquire+0x13c/0x160 [ 10.622040][ T157] console_emit_next_record+0x252/0x4f0 [ 10.622044][ T157] ? devkmsg_read+0x4e0/0x4e0 [ 10.622048][ T157] ? rcu_is_watching+0x16/0xd0 [ 10.622050][ T157] ? lock_acquire+0x13c/0x160 [ 10.622054][ T157] console_flush_one_record+0x46f/0x710 [ 10.622059][ T157] ? console_emit_next_record+0x4f0/0x4f0 [ 10.622060][ T157] ? __lock_acquire+0x518/0xc20 [ 10.622066][ T157] console_unlock+0xee/0x1f0 [ 10.622068][ T157] ? console_flush_one_record+0x710/0x710 [ 10.622074][ T157] ? rcu_is_watching+0x16/0xd0 [ 10.622083][ T157] ? lock_acquire+0x60/0x160 [ 10.622086][ T157] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.622088][ T157] ? vprintk_emit+0x320/0x3e0 [ 10.622091][ T157] vprintk_emit+0x37c/0x3e0 [ 10.622095][ T157] ? wake_up_klogd_work_func+0x90/0x90 [ 10.622101][ T157] _printk+0xc7/0x100 [ 10.622105][ T157] ? snapshot_read.cold+0x21/0x21 [ 10.622109][ T157] ? mark_held_locks+0x40/0x70 [ 10.622112][ T157] ? lockdep_hardirqs_on+0x91/0x130 [ 10.622118][ T157] register_console+0x8a0/0xb60 [ 10.622122][ T157] ? get_init_console_seq.constprop.0.isra.0+0x290/0x290 [ 10.622124][ T157] ? rcu_is_watching+0x16/0xd0 [ 10.622129][ T157] enabled_store+0x623/0x750 [netconsole] [ 10.622132][ T157] ? __kasan_kmalloc+0x7b/0x90 [ 10.622136][ T157] ? netconsole_write_ext+0x20/0x20 [netconsole] [ 10.622138][ T157] ? down_write_killable_nested+0x270/0x270 [ 10.622140][ T157] ? __kmalloc_cache_noprof+0x241/0x620 [ 10.622143][ T157] ? configfs_write_iter+0x336/0x4b0 [ 10.622147][ T157] ? netconsole_write_ext+0x20/0x20 [netconsole] [ 10.622149][ T157] configfs_write_iter+0x2c0/0x4b0 [ 10.622152][ T157] ? configfs_bin_write_iter+0x530/0x530 [ 10.622155][ T157] new_sync_write+0x33e/0x760 [ 10.622158][ T157] ? __lock_acquire+0x518/0xc20 [ 10.622160][ T157] ? new_sync_read+0x750/0x750 [ 10.622164][ T157] ? lock_acquire.part.0+0xd4/0x280 [ 10.622166][ T157] ? ksys_write+0x116/0x250 [ 10.622172][ T157] vfs_write+0x6a2/0xbd0 [ 10.622177][ T157] ksys_write+0x116/0x250 [ 10.622180][ T157] ? __ia32_sys_read+0xc0/0xc0 [ 10.622181][ T157] ? do_raw_spin_unlock+0x59/0x250 [ 10.622184][ T157] ? rcu_is_watching+0x16/0xd0 [ 10.622188][ T157] do_syscall_64+0xff/0x530 [ 10.622189][ T157] ? exc_page_fault+0xee/0x100 [ 10.622192][ T157] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.622195][ T157] RIP: 0033:0x7f380c7a154e [ 10.622199][ 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 [ 10.622201][ T157] RSP: 002b:00007fffff617ff0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 10.622204][ T157] RAX: ffffffffffffffda RBX: 00007f380c922580 RCX: 00007f380c7a154e [ 10.622205][ T157] RDX: 0000000000000002 RSI: 00005643b38bb0f0 RDI: 0000000000000001 [ 10.622207][ T157] RBP: 00007fffff618000 R08: 0000000000000000 R09: 0000000000000000 [ 10.622207][ T157] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 10.622208][ T157] R13: 0000000000000002 R14: 00005643b38bb0f0 R15: 0000000000000000 [ 10.622216][ T157] [ 10.650150][ T157] netconsole: netconsole: local port 6665 [ 10.650488][ T157] netconsole: netconsole: local IPv4 address 192.0.2.1 [ 10.650735][ T157] netconsole: netconsole: interface name 'eni422np1' [ 10.651207][ T157] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 10.651724][ T157] netconsole: netconsole: remote port 6666 [ 10.652250][ T157] netconsole: netconsole: remote IPv4 address 192.0.2.2 [ 10.652671][ T157] netconsole: netconsole: remote ethernet address e2:68:61:ff:2a:52 [ 10.665025][ T157] netconsole: network logging started [ 17.136918][ T157] printk: console [netcon_ext0] disabled [ 17.136945][ T157] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 17.136947][ T157] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 157, name: bash [ 17.136949][ T157] preempt_count: 1, expected: 0 [ 17.136950][ T157] RCU nest depth: 0, expected: 0 [ 17.136951][ T157] locks held by bash/157: 9, last CPU#1: [ 17.136953][ T157] #0: ff11000009e6c430 (sb_writers#9){.+.+}-{0:0}, at: ksys_write+0x116/0x250 [ 17.136967][ T157] #1: ff11000008d41680 (&buffer->mutex){+.+.}-{4:4}, at: configfs_write_iter+0x71/0x4b0 [ 17.136975][ T157] #2: ff1100000d66deb0 (&p->frag_sem){.+.+}-{4:4}, at: configfs_write_iter+0x1db/0x4b0 [ 17.136979][ T157] #3: ffffffffc00fa880 (dynamic_netconsole_mutex){+.+.}-{4:4}, at: enabled_store+0xa0/0x750 [netconsole] [ 17.136985][ T157] #4: ffffffffb999a240 (console_mutex){+.+.}-{4:4}, at: unregister_console+0x16/0x40 [ 17.136991][ T157] #5: ffffffffb9999cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 17.136995][ T157] #6: ffffffffb9999d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 17.137000][ T157] #7: ffffffffb9889660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 17.137004][ T157] #8: ffffffffb9889560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 17.137008][ T157] irq event stamp: 586100 [ 17.137010][ T157] hardirqs last enabled at (586099): [] __down_trylock_console_sem+0x86/0xa0 [ 17.137012][ T157] hardirqs last disabled at (586100): [] console_emit_next_record+0x3f8/0x4f0 [ 17.137014][ T157] softirqs last enabled at (585872): [] restore_fpregs_from_user+0x1cf/0x490 [ 17.137018][ T157] softirqs last disabled at (585870): [] restore_fpregs_from_user+0xc3/0x490 [ 17.137020][ T157] Preemption disabled at: [ 17.137021][ T157] [] vprintk_emit+0x31b/0x3e0 [ 17.137032][ T157] CPU: 1 UID: 0 PID: 157 Comm: bash Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 17.137036][ T157] Tainted: [W]=WARN [ 17.137037][ T157] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.137038][ T157] Call Trace: [ 17.137040][ T157] [ 17.137042][ T157] dump_stack_lvl+0x6f/0xa0 [ 17.137048][ T157] ? vprintk_emit+0x31b/0x3e0 [ 17.137050][ T157] __might_resched.cold+0x1fe/0x2c1 [ 17.137054][ T157] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 17.137058][ T157] ? __kmalloc_noprof+0xdb/0x760 [ 17.137063][ T157] __kmalloc_noprof+0x443/0x760 [ 17.137065][ T157] ? alloc_buf.isra.0+0x4b/0x260 [ 17.137070][ T157] ? do_raw_spin_unlock+0x59/0x250 [ 17.137073][ T157] alloc_buf.isra.0+0x4b/0x260 [ 17.137077][ T157] put_chars+0x1e1/0x2f0 [ 17.137080][ T157] ? __send_to_port+0x420/0x420 [ 17.137081][ T157] ? desc_read_finalized_seq+0x41/0x120 [ 17.137085][ T157] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.137088][ T157] ? validate_chain+0x38b/0xc20 [ 17.137093][ T157] hvc_console_print+0x292/0x780 [ 17.137096][ T157] ? __lock_acquire+0x518/0xc20 [ 17.137097][ T157] ? __lock_acquire+0x518/0xc20 [ 17.137102][ T157] ? hvc_write+0x3a0/0x3a0 [ 17.137103][ T157] ? console_emit_next_record+0x202/0x4f0 [ 17.137107][ T157] ? rcu_is_watching+0x16/0xd0 [ 17.137110][ T157] ? lock_acquire+0x13c/0x160 [ 17.137114][ T157] console_emit_next_record+0x252/0x4f0 [ 17.137117][ T157] ? devkmsg_read+0x4e0/0x4e0 [ 17.137122][ T157] ? rcu_is_watching+0x16/0xd0 [ 17.137124][ T157] ? lock_acquire+0x13c/0x160 [ 17.137128][ T157] console_flush_one_record+0x46f/0x710 [ 17.137132][ T157] ? console_emit_next_record+0x4f0/0x4f0 [ 17.137134][ T157] ? __lock_acquire+0x518/0xc20 [ 17.137139][ T157] console_unlock+0xee/0x1f0 [ 17.137142][ T157] ? console_flush_one_record+0x710/0x710 [ 17.137143][ T157] ? rcu_is_watching+0x16/0xd0 [ 17.137145][ T157] ? lock_acquire+0x60/0x160 [ 17.137149][ T157] ? __down_trylock_console_sem+0x5e/0xa0 [ 17.137151][ T157] ? vprintk_emit+0x320/0x3e0 [ 17.137154][ T157] vprintk_emit+0x37c/0x3e0 [ 17.137157][ T157] ? wake_up_klogd_work_func+0x90/0x90 [ 17.137160][ T157] ? lock_acquire+0x13c/0x160 [ 17.137162][ T157] ? rcu_is_watching+0x16/0xd0 [ 17.137163][ T157] ? rcu_is_watching+0x16/0xd0 [ 17.137167][ T157] _printk+0xc7/0x100 [ 17.137171][ T157] ? snapshot_read.cold+0x21/0x21 [ 17.137174][ T157] ? find_held_lock+0x2b/0x80 [ 17.137178][ T157] ? ww_mutex_lock+0x160/0x160 [ 17.137181][ T157] ? __lock_release.isra.0+0x69/0x1a0 [ 17.137186][ T157] unregister_console_locked.cold+0x88/0x6f7 [ 17.137190][ T157] ? console_suspend+0x150/0x150 [ 17.137196][ T157] ? console_list_lock+0x4c/0x60 [ 17.137198][ T157] unregister_console+0x1f/0x40 [ 17.137200][ T157] enabled_store+0x5b0/0x750 [netconsole] [ 17.137203][ T157] ? __kasan_kmalloc+0x7b/0x90 [ 17.137206][ T157] ? netconsole_write_ext+0x20/0x20 [netconsole] [ 17.137209][ T157] ? down_write_killable_nested+0x270/0x270 [ 17.137210][ T157] ? __kmalloc_cache_noprof+0x240/0x620 [ 17.137213][ T157] ? configfs_write_iter+0x336/0x4b0 [ 17.137217][ T157] ? netconsole_write_ext+0x20/0x20 [netconsole] [ 17.137219][ T157] configfs_write_iter+0x2c0/0x4b0 [ 17.137222][ T157] ? configfs_bin_write_iter+0x530/0x530 [ 17.137225][ T157] new_sync_write+0x33e/0x760 [ 17.137227][ T157] ? __lock_acquire+0x518/0xc20 [ 17.137230][ T157] ? new_sync_read+0x750/0x750 [ 17.137233][ T157] ? lock_acquire.part.0+0xd4/0x280 [ 17.137235][ T157] ? ksys_write+0x116/0x250 [ 17.137241][ T157] vfs_write+0x6a2/0xbd0 [ 17.137246][ T157] ksys_write+0x116/0x250 [ 17.137249][ T157] ? __ia32_sys_read+0xc0/0xc0 [ 17.137251][ T157] ? rcu_is_watching+0x16/0xd0 [ 17.137253][ T157] ? rcu_is_watching+0x16/0xd0 [ 17.137257][ T157] do_syscall_64+0xff/0x530 [ 17.137259][ T157] ? exc_page_fault+0xee/0x100 [ 17.137262][ T157] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.137264][ T157] RIP: 0033:0x7f380c7a154e [ 17.137269][ 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 [ 17.137270][ T157] RSP: 002b:00007fffff617570 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 17.137274][ T157] RAX: ffffffffffffffda RBX: 00007f380c922580 RCX: 00007f380c7a154e [ 17.137275][ T157] RDX: 0000000000000002 RSI: 00005643b38bb0f0 RDI: 0000000000000001 [ 17.137276][ T157] RBP: 00007fffff617580 R08: 0000000000000000 R09: 0000000000000000 [ 17.137277][ T157] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 17.137278][ T157] R13: 0000000000000002 R14: 00005643b38bb0f0 R15: 0000000000000000 [ 17.137285][ T157]