[ 11.043163][ T178] readlink (178) used greatest stack depth: 24608 bytes left [ 11.043184][ T178] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.043187][ T178] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 178, name: readlink [ 11.043188][ T178] preempt_count: 2, expected: 0 [ 11.043189][ T178] RCU nest depth: 0, expected: 0 [ 11.043190][ T178] locks held by readlink/178: 5, last CPU#3: [ 11.043193][ T178] #0: ffffffffb60027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 11.043206][ T178] #1: ffffffffb6169cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.043212][ T178] #2: ffffffffb6169d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.043216][ T178] #3: ffffffffb6089660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.043220][ T178] #4: ffffffffb6089560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.043225][ T178] irq event stamp: 16888 [ 11.043226][ T178] hardirqs last enabled at (16887): [] __down_trylock_console_sem+0x86/0xa0 [ 11.043228][ T178] hardirqs last disabled at (16888): [] console_emit_next_record+0x3d4/0x4c0 [ 11.043231][ T178] softirqs last enabled at (15060): [] handle_softirqs+0x67c/0x900 [ 11.043233][ T178] softirqs last disabled at (15053): [] __irq_exit_rcu+0x145/0x1c0 [ 11.043235][ T178] Preemption disabled at: [ 11.043236][ T178] [<0000000000000000>] 0x0 [ 11.043244][ T178] CPU: 3 UID: 0 PID: 178 Comm: readlink Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.043247][ T178] Tainted: [W]=WARN [ 11.043248][ T178] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.043250][ T178] Call Trace: [ 11.043252][ T178] [ 11.043253][ T178] dump_stack_lvl+0x6f/0xa0 [ 11.043260][ T178] __might_resched.cold+0x1fe/0x2c1 [ 11.043265][ T178] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.043270][ T178] ? __kmalloc_noprof+0xdb/0x760 [ 11.043275][ T178] __kmalloc_noprof+0x443/0x760 [ 11.043278][ T178] ? alloc_buf.isra.0+0x4b/0x260 [ 11.043284][ T178] ? do_raw_spin_unlock+0x59/0x250 [ 11.043287][ T178] alloc_buf.isra.0+0x4b/0x260 [ 11.043290][ T178] put_chars+0x1e1/0x2f0 [ 11.043293][ T178] ? __send_to_port+0x420/0x420 [ 11.043294][ T178] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.043299][ T178] ? validate_chain+0x38b/0xc20 [ 11.043305][ T178] hvc_console_print+0x292/0x780 [ 11.043312][ T178] ? hvc_write+0x3a0/0x3a0 [ 11.043314][ T178] ? rcu_is_watching+0x16/0xd0 [ 11.043317][ T178] ? lock_acquire+0x13c/0x160 [ 11.043321][ T178] console_emit_next_record+0x22f/0x4c0 [ 11.043328][ T178] ? devkmsg_read+0x4b0/0x4b0 [ 11.043330][ T178] ? console_flush_one_record+0x106/0x710 [ 11.043333][ T178] ? rcu_is_watching+0x16/0xd0 [ 11.043336][ T178] ? lock_acquire+0x13c/0x160 [ 11.043340][ T178] console_flush_one_record+0x46f/0x710 [ 11.043345][ T178] ? console_emit_next_record+0x4c0/0x4c0 [ 11.043346][ T178] ? __lock_acquire+0x518/0xc20 [ 11.043352][ T178] console_unlock+0xee/0x1f0 [ 11.043355][ T178] ? console_flush_one_record+0x710/0x710 [ 11.043357][ T178] ? rcu_is_watching+0x16/0xd0 [ 11.043359][ T178] ? lock_acquire+0x60/0x160 [ 11.043363][ T178] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.043365][ T178] ? vprintk_emit+0x320/0x3e0 [ 11.043369][ T178] vprintk_emit+0x37c/0x3e0 [ 11.043373][ T178] ? wake_up_klogd_work_func+0x90/0x90 [ 11.043377][ T178] ? __lock_acquire+0x518/0xc20 [ 11.043381][ T178] _printk+0xc7/0x100 [ 11.043385][ T178] ? snapshot_read.cold+0x21/0x21 [ 11.043388][ T178] ? do_raw_spin_lock+0x131/0x280 [ 11.043391][ T178] ? __rwlock_init+0x150/0x150 [ 11.043396][ T178] ? do_raw_spin_lock+0x131/0x280 [ 11.043399][ T178] do_exit.cold+0x82/0x9c [ 11.043403][ T178] ? exit_notify+0x890/0x890 [ 11.043405][ T178] ? __lock_release.isra.0+0x69/0x1a0 [ 11.043409][ T178] ? rcu_is_watching+0x16/0xd0 [ 11.043414][ T178] do_group_exit+0xb8/0x370 [ 11.043417][ T178] __x64_sys_exit_group+0x3c/0x50 [ 11.043419][ T178] x64_sys_call+0x1567/0x1570 [ 11.043422][ T178] do_syscall_64+0xff/0x530 [ 11.043425][ T178] ? exc_page_fault+0xee/0x100 [ 11.043428][ T178] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.043431][ T178] RIP: 0033:0x7febb38651b8 [ 11.043433][ T178] Code: Unable to access opcode bytes at 0x7febb386518e. [ 11.043435][ T178] RSP: 002b:00007ffc115775b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.043437][ T178] RAX: ffffffffffffffda RBX: 00007febb3995f88 RCX: 00007febb38651b8 [ 11.043439][ T178] RDX: 00007febb37a2a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 11.043440][ T178] RBP: 00007ffc11577610 R08: 0000000000000000 R09: 0000000000001010 [ 11.043441][ T178] R10: 00007ffc11577450 R11: 0000000000000246 R12: 0000000000000002 [ 11.043442][ T178] R13: 0000000000000000 R14: 00007febb3994680 R15: 00007febb3995fa0 [ 11.043451][ T178] [ 11.346134][ T188] ip (188) used greatest stack depth: 24416 bytes left [ 11.988053][ T216] 8021q: 802.1Q VLAN Support v1.8 [ 12.243220][ T226] ip (226) used greatest stack depth: 24296 bytes left [ 12.243240][ T226] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.243243][ T226] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 226, name: ip [ 12.243244][ T226] preempt_count: 2, expected: 0 [ 12.243245][ T226] RCU nest depth: 0, expected: 0 [ 12.243246][ T226] locks held by ip/226: 5, last CPU#2: [ 12.243249][ T226] #0: ffffffffb60027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 12.243262][ T226] #1: ffffffffb6169cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.243268][ T226] #2: ffffffffb6169d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.243271][ T226] #3: ffffffffb6089660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.243276][ T226] #4: ffffffffb6089560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.243280][ T226] irq event stamp: 19092 [ 12.243281][ T226] hardirqs last enabled at (19091): [] __down_trylock_console_sem+0x86/0xa0 [ 12.243283][ T226] hardirqs last disabled at (19092): [] console_emit_next_record+0x3d4/0x4c0 [ 12.243285][ T226] softirqs last enabled at (17806): [] netlink_release+0x17b/0xcf0 [ 12.243289][ T226] softirqs last disabled at (17804): [] netlink_release+0xd2/0xcf0 [ 12.243292][ T226] Preemption disabled at: [ 12.243292][ T226] [<0000000000000000>] 0x0 [ 12.243299][ T226] CPU: 2 UID: 0 PID: 226 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.243303][ T226] Tainted: [W]=WARN [ 12.243304][ T226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.243306][ T226] Call Trace: [ 12.243307][ T226] [ 12.243309][ T226] dump_stack_lvl+0x6f/0xa0 [ 12.243316][ T226] __might_resched.cold+0x1fe/0x2c1 [ 12.243320][ T226] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.243326][ T226] ? __kmalloc_noprof+0xdb/0x760 [ 12.243332][ T226] __kmalloc_noprof+0x443/0x760 [ 12.243334][ T226] ? alloc_buf.isra.0+0x4b/0x260 [ 12.243340][ T226] ? do_raw_spin_unlock+0x59/0x250 [ 12.243342][ T226] alloc_buf.isra.0+0x4b/0x260 [ 12.243345][ T226] put_chars+0x1e1/0x2f0 [ 12.243348][ T226] ? __send_to_port+0x420/0x420 [ 12.243350][ T226] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.243355][ T226] ? validate_chain+0x38b/0xc20 [ 12.243360][ T226] hvc_console_print+0x292/0x780 [ 12.243366][ T226] ? hvc_write+0x3a0/0x3a0 [ 12.243368][ T226] ? rcu_is_watching+0x16/0xd0 [ 12.243371][ T226] ? lock_acquire+0x13c/0x160 [ 12.243375][ T226] console_emit_next_record+0x22f/0x4c0 [ 12.243379][ T226] ? devkmsg_read+0x4b0/0x4b0 [ 12.243381][ T226] ? console_flush_one_record+0x106/0x710 [ 12.243385][ T226] ? rcu_is_watching+0x16/0xd0 [ 12.243387][ T226] ? lock_acquire+0x13c/0x160 [ 12.243391][ T226] console_flush_one_record+0x46f/0x710 [ 12.243395][ T226] ? console_emit_next_record+0x4c0/0x4c0 [ 12.243397][ T226] ? __lock_acquire+0x518/0xc20 [ 12.243403][ T226] console_unlock+0xee/0x1f0 [ 12.243405][ T226] ? console_flush_one_record+0x710/0x710 [ 12.243407][ T226] ? rcu_is_watching+0x16/0xd0 [ 12.243410][ T226] ? lock_acquire+0x60/0x160 [ 12.243413][ T226] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.243415][ T226] ? vprintk_emit+0x320/0x3e0 [ 12.243419][ T226] vprintk_emit+0x37c/0x3e0 [ 12.243423][ T226] ? wake_up_klogd_work_func+0x90/0x90 [ 12.243426][ T226] ? __lock_acquire+0x518/0xc20 [ 12.243430][ T226] _printk+0xc7/0x100 [ 12.243434][ T226] ? snapshot_read.cold+0x21/0x21 [ 12.243437][ T226] ? do_raw_spin_lock+0x131/0x280 [ 12.243439][ T226] ? __rwlock_init+0x150/0x150 [ 12.243443][ T226] ? do_raw_spin_lock+0x131/0x280 [ 12.243446][ T226] do_exit.cold+0x82/0x9c [ 12.243450][ T226] ? exit_notify+0x890/0x890 [ 12.243452][ T226] ? __lock_release.isra.0+0x69/0x1a0 [ 12.243455][ T226] ? rcu_is_watching+0x16/0xd0 [ 12.243459][ T226] do_group_exit+0xb8/0x370 [ 12.243462][ T226] __x64_sys_exit_group+0x3c/0x50 [ 12.243464][ T226] x64_sys_call+0x1567/0x1570 [ 12.243466][ T226] do_syscall_64+0xff/0x530 [ 12.243469][ T226] ? exc_page_fault+0xee/0x100 [ 12.243472][ T226] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.243474][ T226] RIP: 0033:0x7f71942861b8 [ 12.243477][ T226] Code: Unable to access opcode bytes at 0x7f719428618e. [ 12.243478][ T226] RSP: 002b:00007ffe9e212658 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.243480][ T226] RAX: ffffffffffffffda RBX: 00007f71943b6f88 RCX: 00007f71942861b8 [ 12.243482][ T226] RDX: 00007f7193fd0fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 12.243483][ T226] RBP: 00007ffe9e2126b0 R08: 0000000000000000 R09: 0000000000000060 [ 12.243484][ T226] R10: 00007ffe9e212470 R11: 0000000000000246 R12: 0000000000000001 [ 12.243484][ T226] R13: 0000000000000000 R14: 00007f71943b5680 R15: 00007f71943b6fa0 [ 12.243491][ T226]