nla_parse: 36 callbacks suppressed netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 14 bytes leftover after parsing attributes in process `syz-executor.1'. device vlan1056 entered promiscuous mode rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 0-....: (1 GPs behind) idle=4a6/1/0x4000000000000004 softirq=104482/104483 fqs=4788 rcu: (t=10500 jiffies g=189397 q=3796) NMI backtrace for cpu 0 CPU: 0 PID: 30246 Comm: syz-executor.3 Not tainted 4.19.122-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x188/0x20d lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1a6/0x1eb lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline] rcu_dump_cpu_stacks+0x170/0x1bb kernel/rcu/tree.c:1340 print_cpu_stall kernel/rcu/tree.c:1478 [inline] check_cpu_stall kernel/rcu/tree.c:1550 [inline] __rcu_pending kernel/rcu/tree.c:3293 [inline] rcu_pending kernel/rcu/tree.c:3336 [inline] rcu_check_callbacks.cold+0x634/0xddc kernel/rcu/tree.c:2682 update_process_times+0x2a/0x70 kernel/time/timer.c:1638 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:168 tick_sched_timer+0x42/0x130 kernel/time/tick-sched.c:1278 __run_hrtimer kernel/time/hrtimer.c:1401 [inline] __hrtimer_run_queues+0x2fc/0xd50 kernel/time/hrtimer.c:1463 hrtimer_interrupt+0x312/0x770 kernel/time/hrtimer.c:1521 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1067 [inline] smp_apic_timer_interrupt+0x10c/0x550 arch/x86/kernel/apic/apic.c:1092 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:lock_acquire+0x1ec/0x400 kernel/locking/lockdep.c:3910 Code: 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 cd 01 00 00 48 83 3d f9 7e 82 07 00 0f 84 38 01 00 00 48 8b 7c 24 08 57 9d <0f> 1f 44 00 00 48 83 c4 20 5b 5d 41 5c 41 5d 41 5e 41 5f c3 65 8b RSP: 0000:ffff8880ae607ce0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff11a4ad9 RBX: ffff8882070d8300 RCX: 00000000c70db737 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 RBP: ffff8880ae607d70 R08: 0000000000002ba2 R09: 0000000000000001 R10: ffff8882070d8bb0 R11: ffffffff8b3c9490 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888092d47050 call_timer_fn+0x113/0x700 kernel/time/timer.c:1323 expire_timers kernel/time/timer.c:1363 [inline] __run_timers kernel/time/timer.c:1684 [inline] __run_timers kernel/time/timer.c:1652 [inline] run_timer_softirq+0x5d0/0x1540 kernel/time/timer.c:1697 __do_softirq+0x26c/0x93c kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17b/0x1c0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:544 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 RIP: 0010:__handle_mm_fault+0x1e5/0x3b60 mm/memory.c:4090 Code: b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 49 c1 ec 0c 80 3c 02 00 0f 85 e7 2e 00 00 4c 03 a3 98 00 00 00 e8 2b 4c d6 ff <48> 89 e8 48 25 00 f0 ff ff 4c 89 a4 24 88 00 00 00 48 89 84 24 90 RSP: 0000:ffff8882070efcd0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8882070d8300 RBX: ffff8880a4fd4778 RCX: ffffffff81917d14 RDX: 0000000000000000 RSI: ffffffff81917d75 RDI: ffff8880a4fd4810 RBP: 0000001b2c022000 R08: ffff8882070d8300 R09: 0000000000000001 R10: ffffed1015cc4732 R11: ffff8880ae623993 R12: 0000000000000002 R13: 1ffff11040e1df9f R14: 0000000000000055 R15: ffff8880a09c8780 handle_mm_fault+0x1a5/0x670 mm/memory.c:4202 __do_page_fault+0x5ed/0xdd0 arch/x86/mm/fault.c:1412 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1204 RIP: 0033:0x403717 Code: 00 00 00 48 83 ec 08 48 8b 15 85 ef 89 00 48 8b 05 76 ef 89 00 48 39 d0 48 8d 8a 00 00 00 01 72 17 48 39 c8 73 12 48 8d 50 04 <89> 38 48 89 15 58 ef 89 00 48 83 c4 08 c3 48 89 c6 bf 38 fb 4c 00 RSP: 002b:00007ffd1794f190 EFLAGS: 00010287 RAX: 0000001b2c022000 RBX: 000000004195fbc8 RCX: 0000001b2d020000 RDX: 0000001b2c022004 RSI: 000000000000047f RDI: ffffffff36bfe47f RBP: 00000000000000a5 R08: 0000000036bfe47f R09: 0000000036bfe483 R10: 00007ffd1794f350 R11: 0000000000000246 R12: 000000000078c028 R13: 0000000080000000 R14: 00007f819a72f008 R15: 000000000000015e netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 14 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'.