[ 8.439624][ T129] uname (129) used greatest stack depth: 24688 bytes left [ 8.439640][ T129] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 8.439642][ T129] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 129, name: uname [ 8.439643][ T129] preempt_count: 2, expected: 0 [ 8.439644][ T129] RCU nest depth: 0, expected: 0 [ 8.439645][ T129] locks held by uname/129: 5, last CPU#1: [ 8.439648][ T129] #0: ffffffff9f4027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 8.439660][ T129] #1: ffffffff9f569cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 8.439664][ T129] #2: ffffffff9f569d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 8.439668][ T129] #3: ffffffff9f489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 8.439671][ T129] #4: ffffffff9f489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 8.439674][ T129] irq event stamp: 13178 [ 8.439675][ T129] hardirqs last enabled at (13177): [] __down_trylock_console_sem+0x86/0xa0 [ 8.439678][ T129] hardirqs last disabled at (13178): [] console_emit_next_record+0x3d4/0x4c0 [ 8.439680][ T129] softirqs last enabled at (8562): [] handle_softirqs+0x67c/0x900 [ 8.439682][ T129] softirqs last disabled at (8555): [] __irq_exit_rcu+0x145/0x1c0 [ 8.439685][ T129] Preemption disabled at: [ 8.439685][ T129] [<0000000000000000>] 0x0 [ 8.439692][ T129] CPU: 1 UID: 0 PID: 129 Comm: uname Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 8.439695][ T129] Tainted: [W]=WARN [ 8.439696][ T129] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.439698][ T129] Call Trace: [ 8.439699][ T129] [ 8.439701][ T129] dump_stack_lvl+0x6f/0xa0 [ 8.439706][ T129] __might_resched.cold+0x1fe/0x2c1 [ 8.439710][ T129] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 8.439714][ T129] ? __kmalloc_noprof+0xdb/0x760 [ 8.439719][ T129] __kmalloc_noprof+0x443/0x760 [ 8.439722][ T129] ? alloc_buf.isra.0+0x4b/0x260 [ 8.439728][ T129] ? do_raw_spin_unlock+0x59/0x250 [ 8.439731][ T129] alloc_buf.isra.0+0x4b/0x260 [ 8.439734][ T129] put_chars+0x1e1/0x2f0 [ 8.439737][ T129] ? __send_to_port+0x420/0x420 [ 8.439738][ T129] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 8.439743][ T129] ? validate_chain+0x38b/0xc20 [ 8.439748][ T129] hvc_console_print+0x292/0x780 [ 8.439755][ T129] ? hvc_write+0x3a0/0x3a0 [ 8.439757][ T129] ? rcu_is_watching+0x16/0xd0 [ 8.439759][ T129] ? lock_acquire+0x13c/0x160 [ 8.439763][ T129] console_emit_next_record+0x22f/0x4c0 [ 8.439767][ T129] ? devkmsg_read+0x4b0/0x4b0 [ 8.439768][ T129] ? console_flush_one_record+0x106/0x710 [ 8.439771][ T129] ? rcu_is_watching+0x16/0xd0 [ 8.439772][ T129] ? lock_acquire+0x13c/0x160 [ 8.439783][ T129] console_flush_one_record+0x46f/0x710 [ 8.439786][ T129] ? console_emit_next_record+0x4c0/0x4c0 [ 8.439788][ T129] ? __lock_acquire+0x518/0xc20 [ 8.439793][ T129] console_unlock+0xee/0x1f0 [ 8.439795][ T129] ? console_flush_one_record+0x710/0x710 [ 8.439797][ T129] ? rcu_is_watching+0x16/0xd0 [ 8.439799][ T129] ? lock_acquire+0x60/0x160 [ 8.439802][ T129] ? __down_trylock_console_sem+0x5e/0xa0 [ 8.439804][ T129] ? vprintk_emit+0x320/0x3e0 [ 8.439807][ T129] vprintk_emit+0x37c/0x3e0 [ 8.439810][ T129] ? wake_up_klogd_work_func+0x90/0x90 [ 8.439813][ T129] ? __lock_acquire+0x518/0xc20 [ 8.439817][ T129] _printk+0xc7/0x100 [ 8.439821][ T129] ? snapshot_read.cold+0x21/0x21 [ 8.439824][ T129] ? do_raw_spin_lock+0x131/0x280 [ 8.439827][ T129] ? __rwlock_init+0x150/0x150 [ 8.439831][ T129] ? do_raw_spin_lock+0x131/0x280 [ 8.439834][ T129] do_exit.cold+0x82/0x9c [ 8.439837][ T129] ? exit_notify+0x890/0x890 [ 8.439838][ T129] ? __lock_release.isra.0+0x69/0x1a0 [ 8.439841][ T129] ? rcu_is_watching+0x16/0xd0 [ 8.439845][ T129] do_group_exit+0xb8/0x370 [ 8.439848][ T129] __x64_sys_exit_group+0x3c/0x50 [ 8.439850][ T129] x64_sys_call+0x1567/0x1570 [ 8.439852][ T129] do_syscall_64+0xff/0x530 [ 8.439856][ T129] ? exc_page_fault+0xee/0x100 [ 8.439860][ T129] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 8.439862][ T129] RIP: 0033:0x7f9bb540a1b8 [ 8.439864][ T129] Code: Unable to access opcode bytes at 0x7f9bb540a18e. [ 8.439865][ T129] RSP: 002b:00007ffeafaad608 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.439867][ T129] RAX: ffffffffffffffda RBX: 00007f9bb553af88 RCX: 00007f9bb540a1b8 [ 8.439869][ T129] RDX: 00007f9bb5347a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 8.439870][ T129] RBP: 00007ffeafaad660 R08: 0000000000000000 R09: 0000000000001010 [ 8.439871][ T129] R10: 00007ffeafaad4c0 R11: 0000000000000246 R12: 0000000000000002 [ 8.439871][ T129] R13: 0000000000000000 R14: 00007f9bb5539680 R15: 00007f9bb553afa0 [ 8.439878][ T129] [ 10.347657][ T200] packetdrill (200) used greatest stack depth: 24536 bytes left [ 10.347672][ T200] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.347674][ T200] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 200, name: packetdrill [ 10.347675][ T200] preempt_count: 2, expected: 0 [ 10.347676][ T200] RCU nest depth: 0, expected: 0 [ 10.347677][ T200] locks held by packetdrill/200: 5, last CPU#2: [ 10.347679][ T200] #0: ffffffff9f4027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.347691][ T200] #1: ffffffff9f569cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.347696][ T200] #2: ffffffff9f569d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.347699][ T200] #3: ffffffff9f489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.347703][ T200] #4: ffffffff9f489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.347706][ T200] irq event stamp: 4109506 [ 10.347707][ T200] hardirqs last enabled at (4109505): [] __down_trylock_console_sem+0x86/0xa0 [ 10.347710][ T200] hardirqs last disabled at (4109506): [] console_emit_next_record+0x3d4/0x4c0 [ 10.347712][ T200] softirqs last enabled at (4109260): [] tcp_close+0x2b/0xb0 [ 10.347716][ T200] softirqs last disabled at (4109258): [] release_sock+0x21/0x240 [ 10.347720][ T200] Preemption disabled at: [ 10.347720][ T200] [<0000000000000000>] 0x0 [ 10.347727][ T200] CPU: 2 UID: 0 PID: 200 Comm: packetdrill Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.347730][ T200] Tainted: [W]=WARN [ 10.347731][ T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.347732][ T200] Call Trace: [ 10.347734][ T200] [ 10.347736][ T200] dump_stack_lvl+0x6f/0xa0 [ 10.347741][ T200] __might_resched.cold+0x1fe/0x2c1 [ 10.347746][ T200] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.347749][ T200] ? __kmalloc_noprof+0xdb/0x760 [ 10.347754][ T200] __kmalloc_noprof+0x443/0x760 [ 10.347756][ T200] ? alloc_buf.isra.0+0x4b/0x260 [ 10.347763][ T200] ? do_raw_spin_unlock+0x59/0x250 [ 10.347765][ T200] alloc_buf.isra.0+0x4b/0x260 [ 10.347769][ T200] put_chars+0x1e1/0x2f0 [ 10.347772][ T200] ? __send_to_port+0x420/0x420 [ 10.347773][ T200] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.347778][ T200] ? validate_chain+0x38b/0xc20 [ 10.347783][ T200] hvc_console_print+0x292/0x780 [ 10.347795][ T200] ? hvc_write+0x3a0/0x3a0 [ 10.347797][ T200] ? rcu_is_watching+0x16/0xd0 [ 10.347799][ T200] ? lock_acquire+0x13c/0x160 [ 10.347803][ T200] console_emit_next_record+0x22f/0x4c0 [ 10.347807][ T200] ? devkmsg_read+0x4b0/0x4b0 [ 10.347808][ T200] ? console_flush_one_record+0x106/0x710 [ 10.347811][ T200] ? rcu_is_watching+0x16/0xd0 [ 10.347813][ T200] ? lock_acquire+0x13c/0x160 [ 10.347817][ T200] console_flush_one_record+0x46f/0x710 [ 10.347820][ T200] ? console_emit_next_record+0x4c0/0x4c0 [ 10.347822][ T200] ? __lock_acquire+0x518/0xc20 [ 10.347827][ T200] console_unlock+0xee/0x1f0 [ 10.347829][ T200] ? console_flush_one_record+0x710/0x710 [ 10.347831][ T200] ? rcu_is_watching+0x16/0xd0 [ 10.347832][ T200] ? lock_acquire+0x60/0x160 [ 10.347836][ T200] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.347838][ T200] ? vprintk_emit+0x320/0x3e0 [ 10.347841][ T200] vprintk_emit+0x37c/0x3e0 [ 10.347844][ T200] ? wake_up_klogd_work_func+0x90/0x90 [ 10.347845][ T200] ? do_raw_spin_unlock+0x59/0x250 [ 10.347849][ T200] ? __lock_acquire+0x518/0xc20 [ 10.347852][ T200] _printk+0xc7/0x100 [ 10.347856][ T200] ? snapshot_read.cold+0x21/0x21 [ 10.347859][ T200] ? do_raw_spin_lock+0x131/0x280 [ 10.347862][ T200] ? __rwlock_init+0x150/0x150 [ 10.347866][ T200] ? do_raw_spin_lock+0x131/0x280 [ 10.347869][ T200] do_exit.cold+0x82/0x9c [ 10.347872][ T200] ? exit_notify+0x890/0x890 [ 10.347873][ T200] ? __lock_release.isra.0+0x69/0x1a0 [ 10.347876][ T200] ? rcu_is_watching+0x16/0xd0 [ 10.347880][ T200] do_group_exit+0xb8/0x370 [ 10.347883][ T200] __x64_sys_exit_group+0x3c/0x50 [ 10.347885][ T200] x64_sys_call+0x1567/0x1570 [ 10.347887][ T200] do_syscall_64+0xff/0x530 [ 10.347891][ T200] ? irq_exit_rcu+0x1a/0x30 [ 10.347894][ T200] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.347896][ T200] RIP: 0033:0x479678 [ 10.347898][ T200] Code: Unable to access opcode bytes at 0x47964e. [ 10.347899][ T200] RSP: 002b:00007ffc88a01168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.347902][ T200] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 10.347903][ T200] RDX: 0000000005333708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 10.347904][ T200] RBP: 00007ffc88a011c0 R08: 0000000000000000 R09: 00000000053343e0 [ 10.347905][ T200] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffc88a012f8 [ 10.347906][ T200] R13: 00007ffc88a01380 R14: 0000000000000000 R15: 000000000054d560 [ 10.347913][ T200]