rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (3 ticks this GP) idle=197/1/0x4000000000000002 softirq=31058/31058 fqs=2100 
	(detected by 1, t=10504 jiffies, g=42189, q=1081)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 12680 Comm: syz.0.2756 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026
RIP: 0010:check_preemption_disabled+0x1/0x110 lib/smp_processor_id.c:13
Code: 00 48 c7 c7 60 e9 32 8a e8 2c 01 00 00 65 ff 0d f1 2d 44 76 5b c3 00 00 cc 48 c7 c7 e0 29 7a 8a 48 c7 c6 20 2a 7a 8a eb 00 55 <41> 57 41 56 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24
RSP: 0018:ffffc900000074f0 EFLAGS: 00000046
RAX: ffffffff81985672 RBX: dffffc0000000000 RCX: ffff8880207f8000
RDX: 0000000000000100 RSI: ffffffff8a7a2a20 RDI: ffffffff8a7a29e0
RBP: ffffc90000007788 R08: ffffffff8d8aeaef R09: 1ffffffff1b15d5d
R10: dffffc0000000000 R11: fffffbfff1b15d5e R12: 1ffff11017206a4a
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f2ec9c946c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4b1ac8bff8 CR3: 0000000068c01000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 perf_swevent_put_recursion_context kernel/events/core.c:9750 [inline]
 perf_tp_event+0xa5e/0xbe0 kernel/events/core.c:10080
 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10021
 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 c2 22 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:ffffc900000079c0 EFLAGS: 00000206
RAX: 5c7000c1f36f0500 RBX: 1ffff92000000f3c RCX: 5c7000c1f36f0500
RDX: dffffc0000000000 RSI: ffffffff8a2b2be0 RDI: ffffffff8a7a2a40
RBP: ffffc90000007aa0 R08: ffffffff901e91bf R09: 1ffffffff203d237
R10: dffffc0000000000 R11: fffffbfff203d238 R12: ffffffff8c323400
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
 __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:__sanitizer_cov_trace_const_cmp8+0x7a/0x80 kernel/kcov.c:302
Code: c1 e0 05 4d 8d 50 28 4d 39 ca 77 1e 4a c7 44 02 08 07 00 00 00 4a 89 7c 02 10 4a 89 74 02 18 4a 89 44 02 20 48 ff c1 48 89 0a <c3> 0f 1f 44 00 00 48 8b 46 08 48 8d 48 ff 48 89 c2 48 31 ca 48 39
RSP: 0018:ffffc90002e7f018 EFLAGS: 00000297
RAX: ffffffff888bbf23 RBX: 0000000000000044 RCX: ffff8880207f8000
RDX: 0000000000000002 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90002e7f2c0 R08: ffffc90002e7f22f R09: ffffc90002e7f1f0
R10: dffffc0000000000 R11: fffff520005cfe46 R12: 0000000000000140
R13: dffffc0000000000 R14: 000000000000ab89 R15: ffff888079270000
 inet_diag_dump_icsk+0x8c3/0x14b0 net/ipv4/inet_diag.c:1092
 __inet_diag_dump+0x1f6/0x380 net/ipv4/inet_diag.c:1179
 inet_diag_dump_compat+0x17e/0x220 net/ipv4/inet_diag.c:1288
 netlink_dump+0x675/0xcd0 net/netlink/af_netlink.c:2288
 __netlink_dump_start+0x518/0x700 net/netlink/af_netlink.c:2391
 netlink_dump_start include/linux/netlink.h:258 [inline]
 inet_diag_rcv_msg_compat+0x207/0x420 net/ipv4/inet_diag.c:1323
 sock_diag_rcv_msg+0x15c/0x3e0 net/core/sock_diag.c:-1
 netlink_rcv_skb+0x1e9/0x430 net/netlink/af_netlink.c:2512
 sock_diag_rcv+0x26/0x40 net/core/sock_diag.c:276
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x78f/0x940 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x8ba/0xbe0 net/netlink/af_netlink.c:1923
 sock_sendmsg_nosec net/socket.c:706 [inline]
 __sock_sendmsg net/socket.c:718 [inline]
 ____sys_sendmsg+0x5be/0x8f0 net/socket.c:2446
 ___sys_sendmsg+0x236/0x2e0 net/socket.c:2500
 __sys_sendmsg net/socket.c:2529 [inline]
 __do_sys_sendmsg net/socket.c:2538 [inline]
 __se_sys_sendmsg+0x1b7/0x2a0 net/socket.c:2536
 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: 0033:0x7f2ecba3be59
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:00007f2ec9c94028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f2ecbcc3fa0 RCX: 00007f2ecba3be59
RDX: 0000000000000000 RSI: 0000200000000240 RDI: 0000000000000003
RBP: 00007f2ecbad1e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2ecbcc4038 R14: 00007f2ecbcc3fa0 R15: 00007ffd4aa33008
 </TASK>