[ 9.964528][ T169] netconsole: network logging started [ 9.964545][ T169] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.964548][ T169] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 169, name: modprobe [ 9.964549][ T169] preempt_count: 1, expected: 0 [ 9.964550][ T169] RCU nest depth: 0, expected: 0 [ 9.964551][ T169] locks held by modprobe/169: 4, last CPU#3: [ 9.964554][ T169] #0: ffffffffadb99cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.964566][ T169] #1: ffffffffadb99d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.964570][ T169] #2: ffffffffada89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.964574][ T169] #3: ffffffffada89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 9.964577][ T169] irq event stamp: 22256 [ 9.964578][ T169] hardirqs last enabled at (22255): [] __down_trylock_console_sem+0x86/0xa0 [ 9.964581][ T169] hardirqs last disabled at (22256): [] console_emit_next_record+0x3f8/0x4f0 [ 9.964582][ T169] softirqs last enabled at (19760): [] handle_softirqs+0x67c/0x900 [ 9.964586][ T169] softirqs last disabled at (18927): [] __irq_exit_rcu+0x145/0x1c0 [ 9.964589][ T169] Preemption disabled at: [ 9.964589][ T169] [] vprintk_emit+0x31b/0x3e0 [ 9.964594][ T169] CPU: 3 UID: 0 PID: 169 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.964598][ T169] Tainted: [W]=WARN [ 9.964599][ T169] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.964601][ T169] Call Trace: [ 9.964602][ T169] [ 9.964604][ T169] dump_stack_lvl+0x6f/0xa0 [ 9.964609][ T169] ? vprintk_emit+0x31b/0x3e0 [ 9.964611][ T169] __might_resched.cold+0x1fe/0x2c1 [ 9.964616][ T169] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.964620][ T169] ? __kmalloc_noprof+0xdb/0x760 [ 9.964624][ T169] __kmalloc_noprof+0x443/0x760 [ 9.964626][ T169] ? alloc_buf.isra.0+0x4b/0x260 [ 9.964632][ T169] ? do_raw_spin_unlock+0x59/0x250 [ 9.964634][ T169] alloc_buf.isra.0+0x4b/0x260 [ 9.964637][ T169] put_chars+0x1e1/0x2f0 [ 9.964640][ T169] ? __send_to_port+0x420/0x420 [ 9.964643][ T169] ? validate_chain+0x38b/0xc20 [ 9.964648][ T169] hvc_console_print+0x292/0x780 [ 9.964654][ T169] ? hvc_write+0x3a0/0x3a0 [ 9.964657][ T169] ? rcu_is_watching+0x16/0xd0 [ 9.964660][ T169] ? lock_acquire+0x13c/0x160 [ 9.964664][ T169] console_emit_next_record+0x252/0x4f0 [ 9.964668][ T169] ? devkmsg_read+0x4e0/0x4e0 [ 9.964672][ T169] ? rcu_is_watching+0x16/0xd0 [ 9.964674][ T169] ? lock_acquire+0x13c/0x160 [ 9.964677][ T169] console_flush_one_record+0x46f/0x710 [ 9.964681][ T169] ? console_emit_next_record+0x4f0/0x4f0 [ 9.964683][ T169] ? __lock_acquire+0x518/0xc20 [ 9.964688][ T169] console_unlock+0xee/0x1f0 [ 9.964690][ T169] ? console_flush_one_record+0x710/0x710 [ 9.964692][ T169] ? rcu_is_watching+0x16/0xd0 [ 9.964694][ T169] ? lock_acquire+0x60/0x160 [ 9.964697][ T169] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.964698][ T169] ? vprintk_emit+0x320/0x3e0 [ 9.964701][ T169] vprintk_emit+0x37c/0x3e0 [ 9.964705][ T169] ? wake_up_klogd_work_func+0x90/0x90 [ 9.964707][ T169] ? find_held_lock+0x2b/0x80 [ 9.964711][ T169] ? __lock_release.isra.0+0x69/0x1a0 [ 9.964712][ T169] ? fast_dput+0x316/0x540 [ 9.964717][ T169] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 9.964721][ T169] _printk+0xc7/0x100 [ 9.964725][ T169] ? snapshot_read.cold+0x21/0x21 [ 9.964728][ T169] ? __up_write+0x2e5/0x5f0 [ 9.964732][ T169] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 9.964736][ T169] ? configfs_register_subsystem+0x340/0x570 [ 9.964741][ T169] init_netconsole+0x4a8/0x1000 [netconsole] [ 9.964744][ T169] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 9.964751][ T169] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 9.964753][ T169] do_one_initcall+0x124/0x4f0 [ 9.964757][ T169] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 9.964762][ T169] ? do_init_module+0xae/0x8a0 [ 9.964765][ T169] ? kasan_unpoison+0x44/0x70 [ 9.964770][ T169] do_init_module+0x2ad/0x8a0 [ 9.964774][ T169] ? lockdep_hardirqs_on+0x91/0x130 [ 9.964778][ T169] ? free_module+0x470/0x470 [ 9.964781][ T169] ? kfree+0x123/0x590 [ 9.964785][ T169] load_module+0x1424/0x1bb0 [ 9.964791][ T169] ? layout_and_allocate.isra.0+0x680/0x680 [ 9.964795][ T169] ? __ia32_sys_fsconfig+0x180/0x180 [ 9.964799][ T169] ? find_held_lock+0x2b/0x80 [ 9.964802][ T169] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.964805][ T169] init_module_from_file+0x11f/0x1a0 [ 9.964809][ T169] ? __do_sys_init_module+0x220/0x220 [ 9.964817][ T169] ? __rwlock_init+0x150/0x150 [ 9.964820][ T169] ? do_raw_spin_unlock+0x59/0x250 [ 9.964823][ T169] idempotent_init_module+0x37b/0x7c0 [ 9.964826][ T169] ? init_module_from_file+0x1a0/0x1a0 [ 9.964832][ T169] ? rcu_is_watching+0x16/0xd0 [ 9.964834][ T169] ? cap_capable+0x1d7/0x3d0 [ 9.964840][ T169] __x64_sys_finit_module+0xdf/0x190 [ 9.964842][ T169] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 9.964846][ T169] do_syscall_64+0xff/0x530 [ 9.964848][ T169] ? exc_page_fault+0xee/0x100 [ 9.964851][ T169] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.964853][ T169] RIP: 0033:0x7ff7830da37d [ 9.964856][ 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 [ 9.964858][ T169] RSP: 002b:00007ffce8ea66b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 9.964861][ T169] RAX: ffffffffffffffda RBX: 000055adcdde6700 RCX: 00007ff7830da37d [ 9.964862][ T169] RDX: 0000000000000000 RSI: 000055adb2484ffd RDI: 0000000000000005 [ 9.964863][ T169] RBP: 00007ffce8ea6750 R08: 0000000000000000 R09: 0000000000000000 [ 9.964864][ T169] R10: 0000000000000000 R11: 0000000000000246 R12: 000055adb2484ffd [ 9.964865][ T169] R13: 000055adcdde6810 R14: 0000000000040000 R15: 0000000000000000 [ 9.964872][ T169] [ 10.557783][ T83] netdevsim netdevsim732 eni732np1: renamed from eth0 [ 10.566365][ T85] netdevsim netdevsim303 eni303np1: renamed from eth1 [ 11.072594][ T203] ip (203) used greatest stack depth: 24752 bytes left [ 11.072613][ T203] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.072616][ T203] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 203, name: ip [ 11.072618][ T203] preempt_count: 2, expected: 0 [ 11.072620][ T203] RCU nest depth: 0, expected: 0 [ 11.072621][ T203] locks held by ip/203: 5, last CPU#0: [ 11.072624][ T203] #0: ffffffffada027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 11.072640][ T203] #1: ffffffffadb99cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.072647][ T203] #2: ffffffffadb99d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.072653][ T203] #3: ffffffffada89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.072658][ T203] #4: ffffffffada89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 11.072664][ T203] irq event stamp: 18504 [ 11.072665][ T203] hardirqs last enabled at (18503): [] __down_trylock_console_sem+0x86/0xa0 [ 11.072669][ T203] hardirqs last disabled at (18504): [] console_emit_next_record+0x3f8/0x4f0 [ 11.072671][ T203] softirqs last enabled at (18316): [] handle_softirqs+0x67c/0x900 [ 11.072675][ T203] softirqs last disabled at (18159): [] __irq_exit_rcu+0x145/0x1c0 [ 11.072679][ T203] Preemption disabled at: [ 11.072680][ T203] [<0000000000000000>] 0x0 [ 11.072688][ T203] CPU: 0 UID: 0 PID: 203 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.072693][ T203] Tainted: [W]=WARN [ 11.072694][ T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.072697][ T203] Call Trace: [ 11.072699][ T203] [ 11.072701][ T203] dump_stack_lvl+0x6f/0xa0 [ 11.072709][ T203] __might_resched.cold+0x1fe/0x2c1 [ 11.072716][ T203] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.072721][ T203] ? __kmalloc_noprof+0xdb/0x760 [ 11.072728][ T203] __kmalloc_noprof+0x443/0x760 [ 11.072731][ T203] ? alloc_buf.isra.0+0x4b/0x260 [ 11.072740][ T203] ? do_raw_spin_unlock+0x59/0x250 [ 11.072744][ T203] alloc_buf.isra.0+0x4b/0x260 [ 11.072749][ T203] put_chars+0x1e1/0x2f0 [ 11.072753][ T203] ? __send_to_port+0x420/0x420 [ 11.072755][ T203] ? printk_get_next_message+0x2fe/0x7d0 [ 11.072761][ T203] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.072765][ T203] ? validate_chain+0x38b/0xc20 [ 11.072772][ T203] hvc_console_print+0x292/0x780 [ 11.072776][ T203] ? __lock_acquire+0x518/0xc20 [ 11.072778][ T203] ? __lock_acquire+0x518/0xc20 [ 11.072786][ T203] ? hvc_write+0x3a0/0x3a0 [ 11.072791][ T203] ? rcu_is_watching+0x16/0xd0 [ 11.072795][ T203] ? lock_acquire+0x13c/0x160 [ 11.072802][ T203] console_emit_next_record+0x252/0x4f0 [ 11.072808][ T203] ? devkmsg_read+0x4e0/0x4e0 [ 11.072815][ T203] ? rcu_is_watching+0x16/0xd0 [ 11.072819][ T203] ? lock_acquire+0x13c/0x160 [ 11.072825][ T203] console_flush_one_record+0x46f/0x710 [ 11.072832][ T203] ? console_emit_next_record+0x4f0/0x4f0 [ 11.072834][ T203] ? __lock_acquire+0x518/0xc20 [ 11.072843][ T203] console_unlock+0xee/0x1f0 [ 11.072847][ T203] ? console_flush_one_record+0x710/0x710 [ 11.072850][ T203] ? rcu_is_watching+0x16/0xd0 [ 11.072853][ T203] ? lock_acquire+0x60/0x160 [ 11.072859][ T203] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.072862][ T203] ? vprintk_emit+0x320/0x3e0 [ 11.072867][ T203] vprintk_emit+0x37c/0x3e0 [ 11.072873][ T203] ? wake_up_klogd_work_func+0x90/0x90 [ 11.072878][ T203] ? __lock_acquire+0x518/0xc20 [ 11.072884][ T203] _printk+0xc7/0x100 [ 11.072890][ T203] ? snapshot_read.cold+0x21/0x21 [ 11.072894][ T203] ? do_raw_spin_lock+0x131/0x280 [ 11.072898][ T203] ? __rwlock_init+0x150/0x150 [ 11.072904][ T203] ? do_raw_spin_lock+0x131/0x280 [ 11.072909][ T203] do_exit.cold+0x82/0x9c [ 11.072914][ T203] ? exit_notify+0x890/0x890 [ 11.072917][ T203] ? __lock_release.isra.0+0x69/0x1a0 [ 11.072921][ T203] ? rcu_is_watching+0x16/0xd0 [ 11.072928][ T203] do_group_exit+0xb8/0x370 [ 11.072933][ T203] __x64_sys_exit_group+0x3c/0x50 [ 11.072937][ T203] x64_sys_call+0x1567/0x1570 [ 11.072940][ T203] do_syscall_64+0xff/0x530 [ 11.072945][ T203] ? exc_page_fault+0xee/0x100 [ 11.072950][ T203] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.072953][ T203] RIP: 0033:0x7f8a03d9a1b8 [ 11.072956][ T203] Code: Unable to access opcode bytes at 0x7f8a03d9a18e. [ 11.072958][ T203] RSP: 002b:00007ffcfa6a1478 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.072962][ T203] RAX: ffffffffffffffda RBX: 00007f8a03ecaf88 RCX: 00007f8a03d9a1b8 [ 11.072964][ T203] RDX: 00007f8a03ae4fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.072965][ T203] RBP: 00007ffcfa6a14d0 R08: 0000000000000000 R09: 0000000000000060 [ 11.072967][ T203] R10: 00007ffcfa6a1290 R11: 0000000000000246 R12: 0000000000000001 [ 11.072968][ T203] R13: 0000000000000000 R14: 00007f8a03ec9680 R15: 00007f8a03ecafa0 [ 11.072982][ T203] [ 11.174533][ T157] printk: console [netcon_ext0] enabled [ 11.174855][ T157] netconsole: netconsole: local port 6665 [ 11.175195][ T157] netconsole: netconsole: local IPv4 address 192.0.2.1 [ 11.175444][ T157] netconsole: netconsole: interface name 'eni303np1' [ 11.175692][ T157] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 11.175991][ T157] netconsole: netconsole: remote port 6666 [ 11.176258][ T157] netconsole: netconsole: remote IPv4 address 192.0.2.2 [ 11.176567][ T157] netconsole: netconsole: remote ethernet address 02:f9:44:ac:85:27 [ 11.191067][ T157] netconsole: network logging started [ 12.885513][ T245] mkdir (245) used greatest stack depth: 23840 bytes left [ 12.885538][ T245] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.885541][ T245] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 245, name: mkdir [ 12.885543][ T245] preempt_count: 2, expected: 0 [ 12.885544][ T245] RCU nest depth: 0, expected: 0 [ 12.885545][ T245] locks held by mkdir/245: 5, last CPU#3: [ 12.885548][ T245] #0: ffffffffada027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 12.885561][ T245] #1: ffffffffadb99cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.885568][ T245] #2: ffffffffadb99d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.885573][ T245] #3: ffffffffada89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.885576][ T245] #4: ffffffffada89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 12.885581][ T245] irq event stamp: 19474 [ 12.885583][ T245] hardirqs last enabled at (19473): [] __down_trylock_console_sem+0x86/0xa0 [ 12.885586][ T245] hardirqs last disabled at (19474): [] console_emit_next_record+0x3f8/0x4f0 [ 12.885587][ T245] softirqs last enabled at (19200): [] handle_softirqs+0x67c/0x900 [ 12.885590][ T245] softirqs last disabled at (19195): [] __irq_exit_rcu+0x145/0x1c0 [ 12.885593][ T245] Preemption disabled at: [ 12.885593][ T245] [<0000000000000000>] 0x0 [ 12.885600][ T245] CPU: 3 UID: 0 PID: 245 Comm: mkdir Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.885604][ T245] Tainted: [W]=WARN [ 12.885605][ T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.885608][ T245] Call Trace: [ 12.885609][ T245] [ 12.885611][ T245] dump_stack_lvl+0x6f/0xa0 [ 12.885617][ T245] __might_resched.cold+0x1fe/0x2c1 [ 12.885622][ T245] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.885626][ T245] ? __kmalloc_noprof+0xdb/0x760 [ 12.885631][ T245] __kmalloc_noprof+0x443/0x760 [ 12.885634][ T245] ? alloc_buf.isra.0+0x4b/0x260 [ 12.885639][ T245] ? do_raw_spin_unlock+0x59/0x250 [ 12.885642][ T245] alloc_buf.isra.0+0x4b/0x260 [ 12.885646][ T245] put_chars+0x1e1/0x2f0 [ 12.885649][ T245] ? __send_to_port+0x420/0x420 [ 12.885650][ T245] ? printk_get_next_message+0x2fe/0x7d0 [ 12.885654][ T245] ? rcu_read_lock_any_held+0x3c/0x90 [ 12.885657][ T245] ? validate_chain+0x38b/0xc20 [ 12.885661][ T245] hvc_console_print+0x292/0x780 [ 12.885664][ T245] ? __lock_acquire+0x518/0xc20 [ 12.885666][ T245] ? __lock_acquire+0x518/0xc20 [ 12.885670][ T245] ? hvc_write+0x3a0/0x3a0 [ 12.885674][ T245] ? rcu_is_watching+0x16/0xd0 [ 12.885677][ T245] ? lock_acquire+0x13c/0x160 [ 12.885680][ T245] console_emit_next_record+0x252/0x4f0 [ 12.885684][ T245] ? devkmsg_read+0x4e0/0x4e0 [ 12.885689][ T245] ? rcu_is_watching+0x16/0xd0 [ 12.885692][ T245] ? lock_acquire+0x13c/0x160 [ 12.885696][ T245] console_flush_one_record+0x46f/0x710 [ 12.885700][ T245] ? console_emit_next_record+0x4f0/0x4f0 [ 12.885702][ T245] ? __lock_acquire+0x518/0xc20 [ 12.885707][ T245] console_unlock+0xee/0x1f0 [ 12.885710][ T245] ? console_flush_one_record+0x710/0x710 [ 12.885712][ T245] ? rcu_is_watching+0x16/0xd0 [ 12.885714][ T245] ? lock_acquire+0x60/0x160 [ 12.885719][ T245] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.885720][ T245] ? vprintk_emit+0x320/0x3e0 [ 12.885723][ T245] vprintk_emit+0x37c/0x3e0 [ 12.885727][ T245] ? wake_up_klogd_work_func+0x90/0x90 [ 12.885731][ T245] ? __lock_acquire+0x518/0xc20 [ 12.885735][ T245] _printk+0xc7/0x100 [ 12.885740][ T245] ? snapshot_read.cold+0x21/0x21 [ 12.885743][ T245] ? do_raw_spin_lock+0x131/0x280 [ 12.885745][ T245] ? __rwlock_init+0x150/0x150 [ 12.885749][ T245] ? do_raw_spin_lock+0x131/0x280 [ 12.885752][ T245] do_exit.cold+0x82/0x9c [ 12.885756][ T245] ? exit_notify+0x890/0x890 [ 12.885758][ T245] ? __lock_release.isra.0+0x69/0x1a0 [ 12.885761][ T245] ? rcu_is_watching+0x16/0xd0 [ 12.885765][ T245] do_group_exit+0xb8/0x370 [ 12.885769][ T245] __x64_sys_exit_group+0x3c/0x50 [ 12.885772][ T245] x64_sys_call+0x1567/0x1570 [ 12.885774][ T245] do_syscall_64+0xff/0x530 [ 12.885778][ T245] ? exc_page_fault+0xee/0x100 [ 12.885781][ T245] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.885784][ T245] RIP: 0033:0x7f07b6e7a1b8 [ 12.885786][ T245] Code: Unable to access opcode bytes at 0x7f07b6e7a18e. [ 12.885787][ T245] RSP: 002b:00007ffdb381c238 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.885790][ T245] RAX: ffffffffffffffda RBX: 00007f07b6faaf88 RCX: 00007f07b6e7a1b8 [ 12.885791][ T245] RDX: 00007f07b6cd7b48 RSI: fffffffffffffec8 RDI: 0000000000000000 [ 12.885792][ T245] RBP: 00007ffdb381c290 R08: 0000000000000000 R09: 0000000000000001 [ 12.885793][ T245] R10: 00007ffdb381c0b0 R11: 0000000000000246 R12: 0000000000000002 [ 12.885794][ T245] R13: 0000000000000000 R14: 00007f07b6fa9680 R15: 00007f07b6faafa0 [ 12.885803][ T245] [ 17.404651][ T157] printk: console [netcon_ext0] disabled [ 17.404677][ T157] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 17.404679][ T157] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 157, name: bash [ 17.404681][ T157] preempt_count: 1, expected: 0 [ 17.404682][ T157] RCU nest depth: 0, expected: 0 [ 17.404683][ T157] locks held by bash/157: 9, last CPU#1: [ 17.404685][ T157] #0: ff11000009e0c430 (sb_writers#9){.+.+}-{0:0}, at: ksys_write+0x116/0x250 [ 17.404699][ T157] #1: ff110000019e6880 (&buffer->mutex){+.+.}-{4:4}, at: configfs_write_iter+0x71/0x4b0 [ 17.404707][ T157] #2: ff1100000b812230 (&p->frag_sem){.+.+}-{4:4}, at: configfs_write_iter+0x1db/0x4b0 [ 17.404711][ T157] #3: ffffffffc004b880 (dynamic_netconsole_mutex){+.+.}-{4:4}, at: enabled_store+0xa0/0x750 [netconsole] [ 17.404718][ T157] #4: ffffffffadb9a240 (console_mutex){+.+.}-{4:4}, at: unregister_console+0x16/0x40 [ 17.404724][ T157] #5: ffffffffadb99cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 17.404727][ T157] #6: ffffffffadb99d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 17.404732][ T157] #7: ffffffffada89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 17.404736][ T157] #8: ffffffffada89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 17.404740][ T157] irq event stamp: 618184 [ 17.404742][ T157] hardirqs last enabled at (618183): [] __down_trylock_console_sem+0x86/0xa0 [ 17.404745][ T157] hardirqs last disabled at (618184): [] console_emit_next_record+0x3f8/0x4f0 [ 17.404746][ T157] softirqs last enabled at (617960): [] restore_fpregs_from_user+0x1cf/0x490 [ 17.404750][ T157] softirqs last disabled at (617958): [] restore_fpregs_from_user+0xc3/0x490 [ 17.404753][ T157] Preemption disabled at: [ 17.404754][ T157] [] vprintk_emit+0x31b/0x3e0 [ 17.404759][ T157] CPU: 1 UID: 0 PID: 157 Comm: bash Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 17.404763][ T157] Tainted: [W]=WARN [ 17.404764][ T157] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.404766][ T157] Call Trace: [ 17.404768][ T157] [ 17.404769][ T157] dump_stack_lvl+0x6f/0xa0 [ 17.404774][ T157] ? vprintk_emit+0x31b/0x3e0 [ 17.404777][ T157] __might_resched.cold+0x1fe/0x2c1 [ 17.404781][ T157] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 17.404785][ T157] ? __kmalloc_noprof+0xdb/0x760 [ 17.404790][ T157] __kmalloc_noprof+0x443/0x760 [ 17.404792][ T157] ? alloc_buf.isra.0+0x4b/0x260 [ 17.404797][ T157] ? do_raw_spin_unlock+0x59/0x250 [ 17.404800][ T157] alloc_buf.isra.0+0x4b/0x260 [ 17.404803][ T157] put_chars+0x1e1/0x2f0 [ 17.404806][ T157] ? __send_to_port+0x420/0x420 [ 17.404808][ T157] ? desc_read_finalized_seq+0x41/0x120 [ 17.404811][ T157] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.404815][ T157] ? validate_chain+0x38b/0xc20 [ 17.404820][ T157] hvc_console_print+0x292/0x780 [ 17.404822][ T157] ? __lock_acquire+0x518/0xc20 [ 17.404824][ T157] ? __lock_acquire+0x518/0xc20 [ 17.404828][ T157] ? hvc_write+0x3a0/0x3a0 [ 17.404830][ T157] ? console_emit_next_record+0x202/0x4f0 [ 17.404833][ T157] ? rcu_is_watching+0x16/0xd0 [ 17.404836][ T157] ? lock_acquire+0x13c/0x160 [ 17.404840][ T157] console_emit_next_record+0x252/0x4f0 [ 17.404844][ T157] ? devkmsg_read+0x4e0/0x4e0 [ 17.404848][ T157] ? rcu_is_watching+0x16/0xd0 [ 17.404850][ T157] ? lock_acquire+0x13c/0x160 [ 17.404854][ T157] console_flush_one_record+0x46f/0x710 [ 17.404859][ T157] ? console_emit_next_record+0x4f0/0x4f0 [ 17.404860][ T157] ? __lock_acquire+0x518/0xc20 [ 17.404865][ T157] console_unlock+0xee/0x1f0 [ 17.404868][ T157] ? console_flush_one_record+0x710/0x710 [ 17.404870][ T157] ? rcu_is_watching+0x16/0xd0 [ 17.404872][ T157] ? lock_acquire+0x60/0x160 [ 17.404876][ T157] ? __down_trylock_console_sem+0x5e/0xa0 [ 17.404877][ T157] ? vprintk_emit+0x320/0x3e0 [ 17.404880][ T157] vprintk_emit+0x37c/0x3e0 [ 17.404884][ T157] ? wake_up_klogd_work_func+0x90/0x90 [ 17.404887][ T157] ? lock_acquire+0x13c/0x160 [ 17.404889][ T157] ? rcu_is_watching+0x16/0xd0 [ 17.404890][ T157] ? rcu_is_watching+0x16/0xd0 [ 17.404894][ T157] _printk+0xc7/0x100 [ 17.404898][ T157] ? snapshot_read.cold+0x21/0x21 [ 17.404901][ T157] ? find_held_lock+0x2b/0x80 [ 17.404905][ T157] ? ww_mutex_lock+0x160/0x160 [ 17.404908][ T157] ? __lock_release.isra.0+0x69/0x1a0 [ 17.404913][ T157] unregister_console_locked.cold+0x88/0x6f7 [ 17.404917][ T157] ? console_suspend+0x150/0x150 [ 17.404923][ T157] ? console_list_lock+0x4c/0x60 [ 17.404924][ T157] unregister_console+0x1f/0x40 [ 17.404927][ T157] enabled_store+0x5b0/0x750 [netconsole] [ 17.404930][ T157] ? __kasan_kmalloc+0x7b/0x90 [ 17.404933][ T157] ? netconsole_write_ext+0x20/0x20 [netconsole] [ 17.404935][ T157] ? down_write_killable_nested+0x270/0x270 [ 17.404937][ T157] ? __kmalloc_cache_noprof+0x240/0x620 [ 17.404939][ T157] ? configfs_write_iter+0x336/0x4b0 [ 17.404944][ T157] ? netconsole_write_ext+0x20/0x20 [netconsole] [ 17.404946][ T157] configfs_write_iter+0x2c0/0x4b0 [ 17.404948][ T157] ? configfs_bin_write_iter+0x530/0x530 [ 17.404951][ T157] new_sync_write+0x33e/0x760 [ 17.404954][ T157] ? __lock_acquire+0x518/0xc20 [ 17.404957][ T157] ? new_sync_read+0x750/0x750 [ 17.404960][ T157] ? lock_acquire.part.0+0xd4/0x280 [ 17.404962][ T157] ? ksys_write+0x116/0x250 [ 17.404968][ T157] vfs_write+0x6a2/0xbd0 [ 17.404973][ T157] ksys_write+0x116/0x250 [ 17.404976][ T157] ? __ia32_sys_read+0xc0/0xc0 [ 17.404978][ T157] ? rcu_is_watching+0x16/0xd0 [ 17.404981][ T157] ? rcu_is_watching+0x16/0xd0 [ 17.404984][ T157] do_syscall_64+0xff/0x530 [ 17.404987][ T157] ? exc_page_fault+0xee/0x100 [ 17.404990][ T157] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.404993][ T157] RIP: 0033:0x7f03280b454e [ 17.404997][ 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 [ 17.404999][ T157] RSP: 002b:00007ffc950872a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 17.405002][ T157] RAX: ffffffffffffffda RBX: 00007f0328235580 RCX: 00007f03280b454e [ 17.405004][ T157] RDX: 0000000000000002 RSI: 0000556a621bc0f0 RDI: 0000000000000001 [ 17.405005][ T157] RBP: 00007ffc950872b0 R08: 0000000000000000 R09: 0000000000000000 [ 17.405005][ T157] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 17.405006][ T157] R13: 0000000000000002 R14: 0000556a621bc0f0 R15: 0000000000000000 [ 17.405014][ T157]