INFO: rcu_preempt self-detected stall on CPU 1-...: (1 GPs behind) idle=6de/140000000000002/0 softirq=208241/208242 fqs=11 (t=10500 jiffies g=77541 c=77540 q=45) NMI backtrace for cpu 1 CPU: 1 PID: 20656 Comm: syz-executor.0 Not tainted 4.14.184-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 nmi_cpu_backtrace.cold+0x57/0x93 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x13a/0x17f lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:158 [inline] rcu_dump_cpu_stacks+0x16d/0x1b8 kernel/rcu/tree.c:1396 print_cpu_stall kernel/rcu/tree.c:1542 [inline] check_cpu_stall kernel/rcu/tree.c:1610 [inline] __rcu_pending kernel/rcu/tree.c:3390 [inline] rcu_pending kernel/rcu/tree.c:3452 [inline] rcu_check_callbacks.cold+0x490/0xdaa kernel/rcu/tree.c:2792 update_process_times+0x29/0x60 kernel/time/timer.c:1590 tick_sched_handle.isra.0+0x73/0x150 kernel/time/tick-sched.c:165 tick_sched_timer+0x41/0x120 kernel/time/tick-sched.c:1223 __run_hrtimer kernel/time/hrtimer.c:1223 [inline] __hrtimer_run_queues+0x24b/0xb90 kernel/time/hrtimer.c:1287 hrtimer_interrupt+0x1e6/0x5e0 kernel/time/hrtimer.c:1321 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1075 [inline] smp_apic_timer_interrupt+0x117/0x5f0 arch/x86/kernel/apic/apic.c:1100 apic_timer_interrupt+0x93/0xa0 arch/x86/entry/entry_64.S:793 RIP: 0010:is_module_text_address+0x10/0x47 kernel/module.c:4327 RSP: 0018:ffff8880aed07648 EFLAGS: 00000297 ORIG_RAX: ffffffffffffff10 RAX: 0000000000000302 RBX: 000000000045ca59 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff86c449a0 RDI: 0000000000000001 RBP: 000000000045ca59 R08: ffffffff89300f48 R09: 0000000000000001 R10: 000000000011ce89 R11: 0000000000056071 R12: 0000000000000000 R13: 0000000000000000 R14: ffff888201d463c0 R15: 0000000000000282 kernel_text_address+0x62/0xe0 kernel/extable.c:144 __kernel_text_address+0x9/0x30 kernel/extable.c:105 unwind_get_return_address arch/x86/kernel/unwind_orc.c:252 [inline] unwind_get_return_address+0x51/0x90 arch/x86/kernel/unwind_orc.c:247 __save_stack_trace+0x7b/0xd0 arch/x86/kernel/stacktrace.c:45 save_stack mm/kasan/kasan.c:447 [inline] set_track mm/kasan/kasan.c:459 [inline] kasan_kmalloc.part.0+0x4f/0xd0 mm/kasan/kasan.c:551 slab_post_alloc_hook mm/slab.h:442 [inline] slab_alloc mm/slab.c:3390 [inline] kmem_cache_alloc+0x111/0x3c0 mm/slab.c:3550 skb_clone+0x126/0x320 net/core/skbuff.c:1282 dev_queue_xmit_nit+0x2ee/0x950 net/core/dev.c:1943 xmit_one net/core/dev.c:3005 [inline] dev_hard_start_xmit+0xa8/0x880 net/core/dev.c:3025 __dev_queue_xmit+0x1dce/0x25a0 net/core/dev.c:3525 hsr_xmit net/hsr/hsr_forward.c:237 [inline] hsr_forward_do net/hsr/hsr_forward.c:295 [inline] hsr_forward_skb+0xb8e/0x1898 net/hsr/hsr_forward.c:373 send_hsr_supervision_frame+0x8e3/0xf00 net/hsr/hsr_device.c:321 hsr_announce+0xf0/0x330 net/hsr/hsr_device.c:350 call_timer_fn+0x14a/0x650 kernel/time/timer.c:1279 expire_timers+0x233/0x4d0 kernel/time/timer.c:1318 __run_timers kernel/time/timer.c:1636 [inline] run_timer_softirq+0x1d8/0x5b0 kernel/time/timer.c:1649 __do_softirq+0x254/0x9bf kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x15b/0x1a0 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:648 [inline] smp_apic_timer_interrupt+0x141/0x5f0 arch/x86/kernel/apic/apic.c:1102 apic_timer_interrupt+0x93/0xa0 arch/x86/entry/entry_64.S:793 RIP: 0010:__insert_vmap_area+0xa7/0x410 mm/vmalloc.c:374 RSP: 0018:ffff8881e8bd7868 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 RAX: 1ffff11013f165b1 RBX: ffff88809f8b2d98 RCX: ffffc90005a78000 RDX: 00000000000151c1 RSI: ffffffff817d91d8 RDI: ffff88809f8b2d88 RBP: dffffc0000000000 R08: 0000000000003c58 R09: ffffffff89e73c40 R10: ffff888201d46c70 R11: ffff888201d463c0 R12: ffff88800ca6d700 R13: ffffc9001290a000 R14: ffffed100194dae1 R15: ffff888055ce86a0 alloc_vmap_area+0x4bd/0x7c0 mm/vmalloc.c:512 __get_vm_area_node+0x126/0x340 mm/vmalloc.c:1414 __vmalloc_node_range+0xa5/0x690 mm/vmalloc.c:1762 __vmalloc_node mm/vmalloc.c:1818 [inline] __vmalloc_node_flags mm/vmalloc.c:1832 [inline] vmalloc+0x42/0x50 mm/vmalloc.c:1854 bpf_prog_calc_tag+0xa6/0x660 kernel/bpf/core.c:162 replace_map_fd_with_map_ptr kernel/bpf/verifier.c:4436 [inline] bpf_check+0x390/0x1830 kernel/bpf/verifier.c:5030 bpf_prog_load+0x5e9/0xe00 kernel/bpf/syscall.c:1057 SYSC_bpf kernel/bpf/syscall.c:1512 [inline] SyS_bpf+0x12b2/0x34e0 kernel/bpf/syscall.c:1477 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45ca59 RSP: 002b:00007f85685a1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00000000004dae20 RCX: 000000000045ca59 RDX: 0000000000000048 RSI: 0000000020000080 RDI: 0000000000000005 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000006f R14: 00000000004c334a R15: 00007f85685a26d4 INFO: rcu_sched detected stalls on CPUs/tasks: (detected by 1, t=10502 jiffies, g=41337, c=41336, q=57) All QSes seen, last rcu_sched kthread activity 36 (4295173830-4295173794), jiffies_till_next_fqs=1, root ->qsmask 0x0 syz-executor.1 R running task 29072 19587 6353 0x80000000 Call Trace: sched_show_task kernel/sched/core.c:5168 [inline] sched_show_task.cold+0x335/0x399 kernel/sched/core.c:5143 print_other_cpu_stall kernel/rcu/tree.c:1501 [inline] check_cpu_stall kernel/rcu/tree.c:1616 [inline] __rcu_pending kernel/rcu/tree.c:3390 [inline] rcu_pending kernel/rcu/tree.c:3452 [inline] rcu_check_callbacks.cold+0xd3f/0xdaa kernel/rcu/tree.c:2792 update_process_times+0x29/0x60 kernel/time/timer.c:1590 tick_sched_handle.isra.0+0x73/0x150 kernel/time/tick-sched.c:165 tick_sched_timer+0x41/0x120 kernel/time/tick-sched.c:1223 __run_hrtimer kernel/time/hrtimer.c:1223 [inline] __hrtimer_run_queues+0x24b/0xb90 kernel/time/hrtimer.c:1287 hrtimer_interrupt+0x1e6/0x5e0 kernel/time/hrtimer.c:1321 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1075 [inline] smp_apic_timer_interrupt+0x117/0x5f0 arch/x86/kernel/apic/apic.c:1100 apic_timer_interrupt+0x93/0xa0 arch/x86/entry/entry_64.S:793 RIP: 0010:__read_once_size include/linux/compiler.h:183 [inline] RIP: 0010:compound_head include/linux/page-flags.h:147 [inline] RIP: 0010:release_pages+0x125/0xc50 mm/swap.c:779 RSP: 0018:ffff888054faf6d0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 RAX: 1ffffd4000405a6c RBX: ffffea000202d31c RCX: 0000000000000000 RDX: 0000000000000000 RSI: 00000000000001fe RDI: ffff888096c81010 RBP: ffffea000202d340 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffea000202d360 R13: 0000000000000000 R14: dffffc0000000000 R15: ffff888096c814b0 tlb_flush_mmu_free+0x73/0x130 mm/memory.c:260 zap_pte_range mm/memory.c:1409 [inline] zap_pmd_range mm/memory.c:1444 [inline] zap_pud_range mm/memory.c:1473 [inline] zap_p4d_range mm/memory.c:1494 [inline] unmap_page_range+0x1564/0x1d80 mm/memory.c:1515 unmap_single_vma+0x147/0x2b0 mm/memory.c:1560 unmap_vmas+0x9d/0x160 mm/memory.c:1590 exit_mmap+0x271/0x4b0 mm/mmap.c:3056 __mmput kernel/fork.c:930 [inline] mmput kernel/fork.c:951 [inline] mmput+0xfa/0x3a0 kernel/fork.c:946 exit_mm kernel/exit.c:545 [inline] do_exit+0x93c/0x2ae0 kernel/exit.c:845 do_group_exit+0x100/0x2e0 kernel/exit.c:955 get_signal+0x385/0x1c90 kernel/signal.c:2423 do_signal+0x7c/0x15d0 arch/x86/kernel/signal.c:814 exit_to_usermode_loop+0x160/0x200 arch/x86/entry/common.c:160 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:270 [inline] do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45ca59 RSP: 002b:00007f3d09cd4cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 000000000078bf08 RCX: 000000000045ca59 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000078bf08 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000078bf0c R13: 00007ffe8afc961f R14: 00007f3d09cd59c0 R15: 000000000078bf0c