[ 19.715665][ T269] tc (269) used greatest stack depth: 24064 bytes left [ 19.715744][ T269] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 19.715747][ T269] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 269, name: tc [ 19.715748][ T269] preempt_count: 2, expected: 0 [ 19.715749][ T269] RCU nest depth: 0, expected: 0 [ 19.715750][ T269] locks held by tc/269: 5, last CPU#0: [ 19.715752][ T269] #0: ffffffffa5c027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 19.715764][ T269] #1: ffffffffa5d69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 19.715768][ T269] #2: ffffffffa5d69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 19.715771][ T269] #3: ffffffffa5c89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 19.715775][ T269] #4: ffffffffa5c89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 19.715778][ T269] irq event stamp: 29988 [ 19.715779][ T269] hardirqs last enabled at (29987): [] irqentry_exit+0x21c/0x790 [ 19.715783][ T269] hardirqs last disabled at (29988): [] console_emit_next_record+0x3d4/0x4c0 [ 19.715784][ T269] softirqs last enabled at (25392): [] netlink_release+0x17b/0xcf0 [ 19.715787][ T269] softirqs last disabled at (25390): [] netlink_release+0xd2/0xcf0 [ 19.715790][ T269] Preemption disabled at: [ 19.715790][ T269] [<0000000000000000>] 0x0 [ 19.715797][ T269] CPU: 0 UID: 0 PID: 269 Comm: tc Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 19.715800][ T269] Tainted: [W]=WARN [ 19.715801][ T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.715802][ T269] Call Trace: [ 19.715804][ T269] [ 19.715806][ T269] dump_stack_lvl+0x6f/0xa0 [ 19.715811][ T269] __might_resched.cold+0x1fe/0x2c1 [ 19.715815][ T269] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 19.715818][ T269] ? __kmalloc_noprof+0xdb/0x760 [ 19.715823][ T269] __kmalloc_noprof+0x443/0x760 [ 19.715826][ T269] ? alloc_buf.isra.0+0x4b/0x260 [ 19.715831][ T269] ? do_raw_spin_unlock+0x59/0x250 [ 19.715834][ T269] alloc_buf.isra.0+0x4b/0x260 [ 19.715838][ T269] put_chars+0x1e1/0x2f0 [ 19.715841][ T269] ? __send_to_port+0x420/0x420 [ 19.715842][ T269] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 19.715846][ T269] ? validate_chain+0x38b/0xc20 [ 19.715851][ T269] hvc_console_print+0x292/0x780 [ 19.715858][ T269] ? hvc_write+0x3a0/0x3a0 [ 19.715860][ T269] ? rcu_is_watching+0x16/0xd0 [ 19.715862][ T269] ? lock_acquire+0x13c/0x160 [ 19.715866][ T269] console_emit_next_record+0x22f/0x4c0 [ 19.715869][ T269] ? devkmsg_read+0x4b0/0x4b0 [ 19.715871][ T269] ? console_flush_one_record+0x106/0x710 [ 19.715873][ T269] ? rcu_is_watching+0x16/0xd0 [ 19.715875][ T269] ? lock_acquire+0x13c/0x160 [ 19.715879][ T269] console_flush_one_record+0x46f/0x710 [ 19.715882][ T269] ? console_emit_next_record+0x4c0/0x4c0 [ 19.715884][ T269] ? __lock_acquire+0x518/0xc20 [ 19.715889][ T269] console_unlock+0xee/0x1f0 [ 19.715891][ T269] ? console_flush_one_record+0x710/0x710 [ 19.715892][ T269] ? rcu_is_watching+0x16/0xd0 [ 19.715894][ T269] ? lock_acquire+0x60/0x160 [ 19.715898][ T269] ? __down_trylock_console_sem+0x5e/0xa0 [ 19.715900][ T269] ? vprintk_emit+0x320/0x3e0 [ 19.715903][ T269] vprintk_emit+0x37c/0x3e0 [ 19.715906][ T269] ? wake_up_klogd_work_func+0x90/0x90 [ 19.715908][ T269] ? __lock_acquire+0x518/0xc20 [ 19.715912][ T269] _printk+0xc7/0x100 [ 19.715916][ T269] ? snapshot_read.cold+0x21/0x21 [ 19.715918][ T269] ? do_raw_spin_lock+0x131/0x280 [ 19.715921][ T269] ? __rwlock_init+0x150/0x150 [ 19.715925][ T269] ? do_raw_spin_lock+0x131/0x280 [ 19.715928][ T269] do_exit.cold+0x82/0x9c [ 19.715931][ T269] ? exit_notify+0x890/0x890 [ 19.715932][ T269] ? __lock_release.isra.0+0x69/0x1a0 [ 19.715935][ T269] ? rcu_is_watching+0x16/0xd0 [ 19.715938][ T269] do_group_exit+0xb8/0x370 [ 19.715941][ T269] __x64_sys_exit_group+0x3c/0x50 [ 19.715943][ T269] x64_sys_call+0x1567/0x1570 [ 19.715946][ T269] do_syscall_64+0xff/0x530 [ 19.715949][ T269] ? exc_page_fault+0xee/0x100 [ 19.715951][ T269] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 19.715953][ T269] RIP: 0033:0x7fc232a8c1b8 [ 19.715956][ T269] Code: Unable to access opcode bytes at 0x7fc232a8c18e. [ 19.715957][ T269] RSP: 002b:00007ffed3248038 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 19.715959][ T269] RAX: ffffffffffffffda RBX: 00007fc232bbcf88 RCX: 00007fc232a8c1b8 [ 19.715960][ T269] RDX: 00007fc2327d7588 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 19.715961][ T269] RBP: 00007ffed3248090 R08: 0000000000000000 R09: 0000000000000000 [ 19.715962][ T269] R10: 00007ffed3247e30 R11: 0000000000000246 R12: 0000000000000001 [ 19.715963][ T269] R13: 0000000000000000 R14: 00007fc232bbb680 R15: 00007fc232bbcfa0 [ 19.715969][ T269]