[ 10.874989][ T201] ip (201) used greatest stack depth: 23848 bytes left [ 10.875009][ T201] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.875011][ T201] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 201, name: ip [ 10.875012][ T201] preempt_count: 2, expected: 0 [ 10.875013][ T201] RCU nest depth: 0, expected: 0 [ 10.875014][ T201] locks held by ip/201: 5, last CPU#0: [ 10.875016][ T201] #0: ffffffffb0c167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.875028][ T201] #1: ffffffffb0d7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.875032][ T201] #2: ffffffffb0d7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.875038][ T201] #3: ffffffffb0c9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.875041][ T201] #4: ffffffffb0c9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.875046][ T201] irq event stamp: 20558 [ 10.875047][ T201] hardirqs last enabled at (20557): [] __down_trylock_console_sem+0x86/0xa0 [ 10.875050][ T201] hardirqs last disabled at (20558): [] console_emit_next_record+0x3d4/0x4c0 [ 10.875052][ T201] softirqs last enabled at (19158): [] handle_softirqs+0x67c/0x900 [ 10.875054][ T201] softirqs last disabled at (19153): [] __irq_exit_rcu+0x145/0x1c0 [ 10.875057][ T201] Preemption disabled at: [ 10.875058][ T201] [<0000000000000000>] 0x0 [ 10.875064][ T201] CPU: 0 UID: 0 PID: 201 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.875068][ T201] Tainted: [W]=WARN [ 10.875069][ T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.875071][ T201] Call Trace: [ 10.875073][ T201] [ 10.875074][ T201] dump_stack_lvl+0x6f/0xa0 [ 10.875081][ T201] __might_resched.cold+0x1fe/0x2c1 [ 10.875086][ T201] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.875090][ T201] ? __kmalloc_noprof+0xdb/0x760 [ 10.875095][ T201] __kmalloc_noprof+0x443/0x760 [ 10.875097][ T201] ? alloc_buf.isra.0+0x4b/0x260 [ 10.875104][ T201] ? do_raw_spin_unlock+0x59/0x250 [ 10.875106][ T201] alloc_buf.isra.0+0x4b/0x260 [ 10.875110][ T201] put_chars+0x1e1/0x2f0 [ 10.875113][ T201] ? __send_to_port+0x420/0x420 [ 10.875114][ T201] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.875118][ T201] ? validate_chain+0x38b/0xc20 [ 10.875124][ T201] hvc_console_print+0x292/0x780 [ 10.875132][ T201] ? hvc_write+0x3a0/0x3a0 [ 10.875135][ T201] ? rcu_is_watching+0x16/0xd0 [ 10.875137][ T201] ? lock_acquire+0x13c/0x160 [ 10.875141][ T201] console_emit_next_record+0x22f/0x4c0 [ 10.875145][ T201] ? devkmsg_read+0x4b0/0x4b0 [ 10.875147][ T201] ? console_flush_one_record+0x106/0x710 [ 10.875151][ T201] ? rcu_is_watching+0x16/0xd0 [ 10.875152][ T201] ? lock_acquire+0x13c/0x160 [ 10.875156][ T201] console_flush_one_record+0x46f/0x710 [ 10.875161][ T201] ? console_emit_next_record+0x4c0/0x4c0 [ 10.875163][ T201] ? __lock_acquire+0x518/0xc20 [ 10.875168][ T201] console_unlock+0xee/0x1f0 [ 10.875171][ T201] ? console_flush_one_record+0x710/0x710 [ 10.875174][ T201] ? rcu_is_watching+0x16/0xd0 [ 10.875175][ T201] ? lock_acquire+0xe0/0x160 [ 10.875180][ T201] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.875181][ T201] ? vprintk_emit+0x320/0x3e0 [ 10.875185][ T201] vprintk_emit+0x37c/0x3e0 [ 10.875188][ T201] ? wake_up_klogd_work_func+0x90/0x90 [ 10.875191][ T201] ? __lock_acquire+0x518/0xc20 [ 10.875195][ T201] _printk+0xc7/0x100 [ 10.875199][ T201] ? snapshot_read.cold+0x21/0x21 [ 10.875201][ T201] ? do_raw_spin_lock+0x131/0x280 [ 10.875204][ T201] ? __rwlock_init+0x150/0x150 [ 10.875208][ T201] ? do_raw_spin_lock+0x131/0x280 [ 10.875211][ T201] do_exit.cold+0x82/0x9c [ 10.875215][ T201] ? exit_notify+0x890/0x890 [ 10.875217][ T201] ? __lock_release.isra.0+0x69/0x1a0 [ 10.875219][ T201] ? rcu_is_watching+0x16/0xd0 [ 10.875223][ T201] do_group_exit+0xb8/0x370 [ 10.875226][ T201] __x64_sys_exit_group+0x3c/0x50 [ 10.875228][ T201] x64_sys_call+0x1567/0x1570 [ 10.875231][ T201] do_syscall_64+0xff/0x530 [ 10.875235][ T201] ? exc_page_fault+0xee/0x100 [ 10.875237][ T201] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.875240][ T201] RIP: 0033:0x7fbef3dee1b8 [ 10.875242][ T201] Code: Unable to access opcode bytes at 0x7fbef3dee18e. [ 10.875243][ T201] RSP: 002b:00007fff43db66f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.875246][ T201] RAX: ffffffffffffffda RBX: 00007fbef3f1ef88 RCX: 00007fbef3dee1b8 [ 10.875247][ T201] RDX: 00007fbef3b38fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.875248][ T201] RBP: 00007fff43db6750 R08: 0000000000000000 R09: 0000000000000050 [ 10.875249][ T201] R10: 00007fff43db6510 R11: 0000000000000246 R12: 0000000000000001 [ 10.875250][ T201] R13: 0000000000000000 R14: 00007fbef3f1d680 R15: 00007fbef3f1efa0 [ 10.875257][ T201] [ 33.679295][ T845] cmsg_sender (845) used greatest stack depth: 23440 bytes left [ 33.679313][ T845] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 33.679315][ T845] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 845, name: cmsg_sender [ 33.679317][ T845] preempt_count: 2, expected: 0 [ 33.679318][ T845] RCU nest depth: 0, expected: 0 [ 33.679319][ T845] locks held by cmsg_sender/845: 5, last CPU#2: [ 33.679321][ T845] #0: ffffffffb0c167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 33.679332][ T845] #1: ffffffffb0d7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 33.679337][ T845] #2: ffffffffb0d7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 33.679342][ T845] #3: ffffffffb0c9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 33.679345][ T845] #4: ffffffffb0c9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 33.679349][ T845] irq event stamp: 27138 [ 33.679350][ T845] hardirqs last enabled at (27137): [] __down_trylock_console_sem+0x86/0xa0 [ 33.679353][ T845] hardirqs last disabled at (27138): [] console_emit_next_record+0x3d4/0x4c0 [ 33.679356][ T845] softirqs last enabled at (25206): [] sk_common_release+0x16b/0x310 [ 33.679361][ T845] softirqs last disabled at (25204): [] sk_common_release+0xc2/0x310 [ 33.679364][ T845] Preemption disabled at: [ 33.679364][ T845] [<0000000000000000>] 0x0 [ 33.679372][ T845] CPU: 2 UID: 0 PID: 845 Comm: cmsg_sender Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 33.679375][ T845] Tainted: [W]=WARN [ 33.679376][ T845] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.679378][ T845] Call Trace: [ 33.679380][ T845] [ 33.679381][ T845] dump_stack_lvl+0x6f/0xa0 [ 33.679388][ T845] __might_resched.cold+0x1fe/0x2c1 [ 33.679393][ T845] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 33.679397][ T845] ? __kmalloc_noprof+0xdb/0x760 [ 33.679402][ T845] __kmalloc_noprof+0x443/0x760 [ 33.679404][ T845] ? alloc_buf.isra.0+0x4b/0x260 [ 33.679410][ T845] ? do_raw_spin_unlock+0x59/0x250 [ 33.679413][ T845] alloc_buf.isra.0+0x4b/0x260 [ 33.679416][ T845] put_chars+0x1e1/0x2f0 [ 33.679419][ T845] ? __send_to_port+0x420/0x420 [ 33.679420][ T845] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 33.679424][ T845] ? validate_chain+0x38b/0xc20 [ 33.679430][ T845] hvc_console_print+0x292/0x780 [ 33.679437][ T845] ? hvc_write+0x3a0/0x3a0 [ 33.679440][ T845] ? rcu_is_watching+0x16/0xd0 [ 33.679442][ T845] ? lock_acquire+0x13c/0x160 [ 33.679447][ T845] console_emit_next_record+0x22f/0x4c0 [ 33.679451][ T845] ? devkmsg_read+0x4b0/0x4b0 [ 33.679453][ T845] ? console_flush_one_record+0x106/0x710 [ 33.679456][ T845] ? rcu_is_watching+0x16/0xd0 [ 33.679458][ T845] ? lock_acquire+0x13c/0x160 [ 33.679462][ T845] console_flush_one_record+0x46f/0x710 [ 33.679467][ T845] ? console_emit_next_record+0x4c0/0x4c0 [ 33.679469][ T845] ? __lock_acquire+0x518/0xc20 [ 33.679474][ T845] console_unlock+0xee/0x1f0 [ 33.679477][ T845] ? console_flush_one_record+0x710/0x710 [ 33.679479][ T845] ? rcu_is_watching+0x16/0xd0 [ 33.679481][ T845] ? lock_acquire+0xe0/0x160 [ 33.679485][ T845] ? __down_trylock_console_sem+0x5e/0xa0 [ 33.679487][ T845] ? vprintk_emit+0x320/0x3e0 [ 33.679490][ T845] vprintk_emit+0x37c/0x3e0 [ 33.679493][ T845] ? wake_up_klogd_work_func+0x90/0x90 [ 33.679496][ T845] ? __lock_acquire+0x518/0xc20 [ 33.679500][ T845] _printk+0xc7/0x100 [ 33.679504][ T845] ? snapshot_read.cold+0x21/0x21 [ 33.679507][ T845] ? do_raw_spin_lock+0x131/0x280 [ 33.679510][ T845] ? __rwlock_init+0x150/0x150 [ 33.679514][ T845] ? do_raw_spin_lock+0x131/0x280 [ 33.679517][ T845] do_exit.cold+0x82/0x9c [ 33.679520][ T845] ? exit_notify+0x890/0x890 [ 33.679522][ T845] ? __lock_release.isra.0+0x69/0x1a0 [ 33.679524][ T845] ? rcu_is_watching+0x16/0xd0 [ 33.679528][ T845] do_group_exit+0xb8/0x370 [ 33.679531][ T845] __x64_sys_exit_group+0x3c/0x50 [ 33.679533][ T845] x64_sys_call+0x1567/0x1570 [ 33.679535][ T845] do_syscall_64+0xff/0x530 [ 33.679539][ T845] ? exc_page_fault+0xee/0x100 [ 33.679542][ T845] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 33.679544][ T845] RIP: 0033:0x7f4dec1e71b8 [ 33.679547][ T845] Code: Unable to access opcode bytes at 0x7f4dec1e718e. [ 33.679548][ T845] RSP: 002b:00007fff6d97c198 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 33.679550][ T845] RAX: ffffffffffffffda RBX: 00007f4dec317f88 RCX: 00007f4dec1e71b8 [ 33.679551][ T845] RDX: 00007f4dec124a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 33.679552][ T845] RBP: 00007fff6d97c1f0 R08: 0000000000000000 R09: 0000000000000020 [ 33.679553][ T845] R10: 00007fff6d97c030 R11: 0000000000000246 R12: 0000000000000001 [ 33.679554][ T845] R13: 0000000000000000 R14: 00007f4dec316680 R15: 00007f4dec317fa0 [ 33.679561][ T845]