rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-....: (17 ticks this GP) idle=c13/1/0x4000000000000002 softirq=11348/11350 fqs=2100 
	(detected by 0, t=10503 jiffies, g=13841, q=549)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5523 Comm: syz.0.350 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:llist_add_batch+0x5c/0xa0 lib/llist.c:32
Code: 05 00 00 74 08 48 89 df e8 11 8f d6 fd 4c 8b 23 48 b8 00 00 00 00 00 fc ff df 41 80 7c 05 00 00 74 08 4c 89 f7 e8 74 8f d6 fd <4d> 89 26 48 89 df be 08 00 00 00 e8 84 90 d6 fd 4c 89 e0 f0 4c 0f
RSP: 0018:ffffc90000dd04e0 EFLAGS: 00000046
RAX: dffffc0000000000 RBX: ffff8880b9133d70 RCX: ffff888028083b80
RDX: 0000000000000100 RSI: ffff8880b913b1f0 RDI: ffff8880b913b1f0
RBP: 1ffff110172267ae R08: ffff8880b913b1fb R09: 1ffff1101722763f
R10: dffffc0000000000 R11: ffffed1017227640 R12: 0000000000000000
R13: 1ffff1101722763e R14: ffff8880b913b1f0 R15: ffff8880b913b1f0
FS:  00007f0fe78196c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd23065bff8 CR3: 000000005bda2000 CR4: 00000000003506e0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 llist_add include/linux/llist.h:219 [inline]
 __irq_work_queue_local+0xad/0x190 kernel/irq_work.c:61
 irq_work_queue_on+0x11e/0x220 kernel/irq_work.c:109
 rcu_read_unlock_special+0x377/0x4a0 kernel/rcu/tree_plugin.h:667
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:772 [inline]
 BPF_PROG_RUN_ARRAY include/linux/bpf.h:1445 [inline]
 trace_call_bpf+0x4f9/0x5b0 kernel/trace/bpf_trace.c:127
 perf_trace_run_bpf_submit+0x79/0x1c0 kernel/events/core.c:10026
 perf_trace_preemptirq_template+0x2aa/0x360 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0x108/0x180 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x57/0x80 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:713
RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0 kernel/rcu/tree_plugin.h:674
Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 f2 0f 9d 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0018:ffffc90000dd09c0 EFLAGS: 00000206
RAX: 6d826f9865881300 RBX: 1ffff920001ba13c RCX: 6d826f9865881300
RDX: dffffc0000000000 RSI: ffffffff8a2b2be0 RDI: ffffffff8a7a4540
RBP: ffffc90000dd0aa0 R08: ffffffff901ef1bf R09: 1ffffffff203de37
R10: dffffc0000000000 R11: fffffbfff203de38 R12: ffffffff8c323400
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000002
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:772 [inline]
 hsr_announce+0x29a/0x310 net/hsr/hsr_device.c:410
 call_timer_fn+0x17b/0x540 kernel/time/timer.c:1648
 expire_timers kernel/time/timer.c:1699 [inline]
 __run_timers+0x56c/0x810 kernel/time/timer.c:1970
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1983
 handle_softirqs+0x336/0x830 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:168 [inline]
RIP: 0010:unwind_next_frame+0x1a6/0x1cf0 arch/x86/kernel/unwind_orc.c:448
Code: 46 ff 39 e8 0f 86 56 14 00 00 89 e8 4c 8d 24 85 ac fa 9e 8e 4c 89 e0 48 c1 e8 03 49 bf 00 00 00 00 00 fc ff df 42 0f b6 04 38 <84> c0 0f 85 dd 15 00 00 45 8b 24 24 89 e8 ff c0 4c 8d 2c 85 ac fa
RSP: 0018:ffffc900031ef2d0 EFLAGS: 00000a06
RAX: 0000000000000000 RBX: ffffc900031ef368 RCX: ffffffff962f5f00
RDX: dffffc0000000000 RSI: 0000000000090081 RDI: ffffffff81351ed7
RBP: 000000000006de37 R08: ffffc900031ef430 R09: 000000000000000c
R10: dffffc0000000000 R11: fffff5200063de79 R12: ffffffff8eba7388
R13: ffffc900031efce0 R14: ffffffff87de3794 R15: dffffc0000000000
 arch_stack_walk+0x10c/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0xa6/0xf0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:46 [inline]
 set_alloc_info mm/kasan/common.c:434 [inline]
 ____kasan_kmalloc mm/kasan/common.c:513 [inline]
 __kasan_kmalloc+0xaf/0xe0 mm/kasan/common.c:522
 kmalloc_node include/linux/slab.h:630 [inline]
 kvmalloc_node+0x84/0x130 mm/util.c:619
 kvmalloc include/linux/mm.h:816 [inline]
 kvmalloc_array include/linux/mm.h:834 [inline]
 __ptr_ring_init_queue_alloc include/linux/ptr_ring.h:471 [inline]
 ptr_ring_init include/linux/ptr_ring.h:489 [inline]
 skb_array_init include/linux/skb_array.h:182 [inline]
 pfifo_fast_init+0x109/0x6a0 net/sched/sch_generic.c:809
 qdisc_create_dflt+0x11a/0x410 net/sched/sch_generic.c:960
 mq_init+0x2c4/0x650 net/sched/sch_mq.c:90
 qdisc_create_dflt+0x11a/0x410 net/sched/sch_generic.c:960
 attach_default_qdiscs net/sched/sch_generic.c:1139 [inline]
 dev_activate+0x192/0x1330 net/sched/sch_generic.c:1193
 __dev_open+0x33b/0x430 net/core/dev.c:1559
 __dev_change_flags+0x1e4/0x6a0 net/core/dev.c:8879
 dev_change_flags+0x78/0x1a0 net/core/dev.c:8950
 dev_ifsioc+0x130/0xd50 net/core/dev_ioctl.c:324
 dev_ioctl+0x545/0xe30 net/core/dev_ioctl.c:572
 sock_do_ioctl+0x245/0x320 net/socket.c:1162
 sock_ioctl+0x48a/0x700 net/socket.c:1267
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl+0xfa/0x170 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f0fe95c1159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0fe7819028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f0fe9848fa0 RCX: 00007f0fe95c1159
RDX: 0000200000002280 RSI: 0000000000008914 RDI: 0000000000000008
RBP: 00007f0fe9658024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0fe9849038 R14: 00007f0fe9848fa0 R15: 00007ffdc39ab128
 </TASK>