INFO: rcu_preempt self-detected stall on CPU
	0-...: (1 GPs behind) idle=3fe/140000000000002/0 softirq=326048/326049 fqs=6 
	 (t=10501 jiffies g=91139 c=91138 q=176)
NMI backtrace for cpu 0
CPU: 0 PID: 12194 Comm: syz-executor.5 Not tainted 4.14.161-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x142/0x197 lib/dump_stack.c:58
 nmi_cpu_backtrace.cold+0x57/0x94 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x141/0x189 lib/nmi_backtrace.c:62
 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
 trigger_single_cpu_backtrace include/linux/nmi.h:158 [inline]
 rcu_dump_cpu_stacks+0x186/0x1d2 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+0x43d/0xd0a kernel/rcu/tree.c:2792
 update_process_times+0x31/0x70 kernel/time/timer.c:1590
 tick_sched_handle+0x85/0x160 kernel/time/tick-sched.c:161
 tick_sched_timer+0x43/0x130 kernel/time/tick-sched.c:1219
 __run_hrtimer kernel/time/hrtimer.c:1220 [inline]
 __hrtimer_run_queues+0x270/0xbc0 kernel/time/hrtimer.c:1284
 hrtimer_interrupt+0x1d8/0x5d0 kernel/time/hrtimer.c:1318
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1075 [inline]
 smp_apic_timer_interrupt+0x11c/0x5e0 arch/x86/kernel/apic/apic.c:1100
 apic_timer_interrupt+0x96/0xa0 arch/x86/entry/entry_64.S:792
RIP: 0010:__kernel_text_address+0x1/0x40 kernel/extable.c:104
RSP: 0018:ffff8880aec077f8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10
RAX: dffffc0000000000 RBX: ffff8880aec07828 RCX: 1ffff11015d80f0d
RDX: 1ffff11015d80f0e RSI: 1ffff11015d80f00 RDI: ffffffff8518b17d
RBP: ffff8880aec07818 R08: 0000000000000001 R09: ffff8880aec07880
R10: ffff8880aec07850 R11: ffff8880aec07860 R12: ffff8880aec07870
R13: 0000000000000000 R14: ffff88808a3c8180 R15: ffff8880a9e19900
 __save_stack_trace+0x7b/0xd0 arch/x86/kernel/stacktrace.c:45
 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:59
 save_stack+0x45/0xd0 mm/kasan/kasan.c:447
 set_track mm/kasan/kasan.c:459 [inline]
 kasan_kmalloc mm/kasan/kasan.c:551 [inline]
 kasan_kmalloc+0xce/0xf0 mm/kasan/kasan.c:529
 kasan_slab_alloc+0xf/0x20 mm/kasan/kasan.c:489
 slab_post_alloc_hook mm/slab.h:442 [inline]
 slab_alloc mm/slab.c:3390 [inline]
 kmem_cache_alloc+0x11b/0x780 mm/slab.c:3550
 skb_clone+0x129/0x320 net/core/skbuff.c:1282
 frame_get_tagged_skb net/hsr/hsr_forward.c:195 [inline]
 hsr_forward_do net/hsr/hsr_forward.c:283 [inline]
 hsr_forward_skb+0xf46/0x1940 net/hsr/hsr_forward.c:373
 send_hsr_supervision_frame+0x892/0xec0 net/hsr/hsr_device.c:319
 hsr_announce+0xf5/0x340 net/hsr/hsr_device.c:348
 call_timer_fn+0x161/0x670 kernel/time/timer.c:1279
 expire_timers kernel/time/timer.c:1318 [inline]
 __run_timers kernel/time/timer.c:1636 [inline]
 __run_timers kernel/time/timer.c:1604 [inline]
 run_timer_softirq+0x5b7/0x1520 kernel/time/timer.c:1649
 __do_softirq+0x244/0x9a0 kernel/softirq.c:288
 invoke_softirq kernel/softirq.c:368 [inline]
 irq_exit+0x160/0x1b0 kernel/softirq.c:409
 exiting_irq arch/x86/include/asm/apic.h:648 [inline]
 smp_apic_timer_interrupt+0x146/0x5e0 arch/x86/kernel/apic/apic.c:1102
 apic_timer_interrupt+0x96/0xa0 arch/x86/entry/entry_64.S:792
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:779 [inline]
RIP: 0010:qlink_free mm/kasan/quarantine.c:150 [inline]
RIP: 0010:qlist_free_all+0x10c/0x150 mm/kasan/quarantine.c:166
RSP: 0018:ffff88806486f8c8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10
RAX: 0000000000000007 RBX: 0000000000000282 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88808a3c8a00 RDI: 0000000000000282
RBP: ffff88806486f8f8 R08: ffff88808a3c8180 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880643bc380 R14: ffff88806486f908 R15: ffff88821f830640
 quarantine_reduce+0x147/0x180 mm/kasan/quarantine.c:259
 kasan_kmalloc+0xa0/0xf0 mm/kasan/kasan.c:536
 kasan_slab_alloc+0xf/0x20 mm/kasan/kasan.c:489
 slab_post_alloc_hook mm/slab.h:442 [inline]
 slab_alloc_node mm/slab.c:3333 [inline]
 kmem_cache_alloc_node+0x131/0x780 mm/slab.c:3640
 __alloc_skb+0x9c/0x500 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:980 [inline]
 netlink_alloc_large_skb net/netlink/af_netlink.c:1158 [inline]
 netlink_sendmsg+0x874/0xc60 net/netlink/af_netlink.c:1852
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xce/0x110 net/socket.c:656
 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062
 __sys_sendmsg+0xb9/0x140 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x2d/0x50 net/socket.c:2103
 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x414c01
RSP: 002b:00007ff5eeb989c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007ff5eeb98a58 RCX: 0000000000414c01
RDX: 0000000000000000 RSI: 00007ff5eeb98a00 RDI: 0000000000000005
RBP: 0000000000000005 R08: 0000000000000009 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000293 R12: 00007ff5eeb98a40
R13: 00000000004d4ed0 R14: 00000000004e6088 R15: 00000000ffffffff
INFO: rcu_sched detected stalls on CPUs/tasks:
	0-...: (1 GPs behind) idle=3fe/140000000000002/0 softirq=326048/326049 fqs=7 
	(detected by 1, t=10502 jiffies, g=82350, c=82349, q=1)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 12194 Comm: syz-executor.5 Not tainted 4.14.161-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88808a3c8180 task.stack: ffff888064868000
RIP: 0010:irq_work_interrupt+0x0/0xa0 arch/x86/entry/entry_64.S:820
RSP: 0018:ffff8880aec07dd8 EFLAGS: 00000002
RAX: dffffc0000000000 RBX: ffff8880aec2c2c0 RCX: 1ffffffff1068244
RDX: 0000000000000004 RSI: ffff88808a3c8a00 RDI: ffffffff87f8d898
RBP: ffff8880aec07e10 R08: ffff88808a3c8180 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff87f8ae88
R13: ffff8880aec2c2f8 R14: 0000000000000074 R15: dffffc0000000000
FS:  00007ff5eeb99700(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000716158 CR3: 0000000059a9a000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 trace_rcu_utilization include/trace/events/rcu.h:21 [inline]
 trace_rcu_utilization include/trace/events/rcu.h:21 [inline]
 rcu_process_callbacks+0x542/0x12b0 kernel/rcu/tree.c:2947
 __do_softirq+0x244/0x9a0 kernel/softirq.c:288
 invoke_softirq kernel/softirq.c:368 [inline]
 irq_exit+0x160/0x1b0 kernel/softirq.c:409
 exiting_irq arch/x86/include/asm/apic.h:648 [inline]
 smp_apic_timer_interrupt+0x146/0x5e0 arch/x86/kernel/apic/apic.c:1102
 apic_timer_interrupt+0x96/0xa0 arch/x86/entry/entry_64.S:792
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:779 [inline]
RIP: 0010:qlink_free mm/kasan/quarantine.c:150 [inline]
RIP: 0010:qlist_free_all+0x10c/0x150 mm/kasan/quarantine.c:166
RSP: 0018:ffff88806486f8c8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10
RAX: 0000000000000007 RBX: 0000000000000282 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88808a3c8a00 RDI: 0000000000000282
RBP: ffff88806486f8f8 R08: ffff88808a3c8180 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880643bc380 R14: ffff88806486f908 R15: ffff88821f830640
 quarantine_reduce+0x147/0x180 mm/kasan/quarantine.c:259
 kasan_kmalloc+0xa0/0xf0 mm/kasan/kasan.c:536
 kasan_slab_alloc+0xf/0x20 mm/kasan/kasan.c:489
 slab_post_alloc_hook mm/slab.h:442 [inline]
 slab_alloc_node mm/slab.c:3333 [inline]
 kmem_cache_alloc_node+0x131/0x780 mm/slab.c:3640
 __alloc_skb+0x9c/0x500 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:980 [inline]
 netlink_alloc_large_skb net/netlink/af_netlink.c:1158 [inline]
 netlink_sendmsg+0x874/0xc60 net/netlink/af_netlink.c:1852
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xce/0x110 net/socket.c:656
 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062
 __sys_sendmsg+0xb9/0x140 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x2d/0x50 net/socket.c:2103
 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x414c01
RSP: 002b:00007ff5eeb989c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007ff5eeb98a58 RCX: 0000000000414c01
RDX: 0000000000000000 RSI: 00007ff5eeb98a00 RDI: 0000000000000005
RBP: 0000000000000005 R08: 0000000000000009 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000293 R12: 00007ff5eeb98a40
R13: 00000000004d4ed0 R14: 00000000004e6088 R15: 00000000ffffffff
Code: 01 00 75 12 65 48 89 3c 25 f8 7f 00 00 65 48 8b 24 25 d8 ed 01 00 57 e8 97 21 80 fa e8 aa 31 00 00 e9 2b e8 ff ff 0f 1f 44 00 00 <0f> 1f 00 68 09 ff ff ff fc f6 44 24 10 03 74 10 0f 01 f8 0f 1f