rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2637 jiffies s: 77325 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 18921 Comm: syz.5.4549 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
RIP: 0010:check_kcov_mode kernel/kcov.c:182 [inline]
RIP: 0010:write_comp_data kernel/kcov.c:245 [inline]
RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x23/0x80 kernel/kcov.c:320
Code: 48 89 44 11 20 c3 90 48 8b 04 24 65 48 8b 0d 04 f6 7f 7e 65 8b 15 05 f6 7f 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 57 <83> b9 1c 16 00 00 00 74 4e 8b 91 f8 15 00 00 83 fa 03 75 43 48 8b
RSP: 0018:ffffc900000075d0 EFLAGS: 00000046
RAX: ffffffff813a0cbf RBX: ffff8880b8e3b9f0 RCX: ffff888079c58000
RDX: 0000000000000100 RSI: ffff8880b8e3b9f0 RDI: ffffffff7fffffff
RBP: 0000000000000000 R08: ffffffff8e1ff26f R09: 1ffffffff1c3fe4d
R10: dffffc0000000000 R11: fffffbfff1c3fe4e R12: 0000000000000000
R13: dffffc0000000001 R14: ffff8880b8e3b9f0 R15: ffff8880b8e3b9f8
FS:  00007f5b350806c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e623ffc CR3: 0000000076f22000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __phys_addr+0x1f/0x170 arch/x86/mm/physaddr.c:20
 virt_to_folio include/linux/mm.h:913 [inline]
 virt_to_slab mm/slab.h:175 [inline]
 kasan_addr_to_slab+0x15/0xc0 mm/kasan/common.c:37
 __kasan_record_aux_stack+0xf/0xc0 mm/kasan/generic.c:471
 irq_work_queue_on+0x10f/0x260 kernel/irq_work.c:140
 rcu_read_unlock_special+0x3c9/0x510 kernel/rcu/tree_plugin.h:678
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 trace_call_bpf+0x5bb/0x6b0 kernel/trace/bpf_trace.c:137
 perf_trace_run_bpf_submit+0x79/0x1c0 kernel/events/core.c:10027
 perf_trace_preemptirq_template+0x268/0x320 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0xd3/0x140 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x24/0x40 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:728
RIP: 0010:rcu_read_unlock_special+0x7f/0x510 kernel/rcu/tree_plugin.h:685
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 d2 33 95 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0018:ffffc90000007ac0 EFLAGS: 00000206
RAX: 9b23d26c26f9a300 RBX: 1ffff92000000f60 RCX: 9b23d26c26f9a300
RDX: dffffc0000000000 RSI: ffffffff8a8c10a0 RDI: ffffffff8adf11a0
RBP: ffffc90000007bb0 R08: ffff8880b8e3580b R09: 1ffff110171c6b01
R10: dffffc0000000000 R11: ffffed10171c6b02 R12: 0000000000000246
R13: dffffc0000000000 R14: ffff8880b8e3b900 R15: 0000000000000001
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 ieee80211_iterate_active_interfaces_atomic+0x156/0x170 net/mac80211/util.c:826
 mac80211_hwsim_beacon+0xb7/0x1b0 drivers/net/wireless/mac80211_hwsim.c:2147
 __run_hrtimer kernel/time/hrtimer.c:1747 [inline]
 __hrtimer_run_queues+0x54a/0xd50 kernel/time/hrtimer.c:1811
 hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1828
 handle_softirqs+0x2a1/0x930 kernel/softirq.c:596
 __do_softirq kernel/softirq.c:630 [inline]
 invoke_softirq kernel/softirq.c:470 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:netlink_create+0x2da/0x510 net/netlink/af_netlink.c:685
Code: 7d b6 05 4c 8d 24 28 48 8d bc 28 78 01 00 00 48 89 f8 48 c1 e8 03 42 80 3c 30 00 74 05 e8 6e 68 69 f9 4d 8b ac 24 78 01 00 00 <49> 8d bc 24 88 01 00 00 48 89 f8 48 c1 e8 03 42 80 3c 30 00 74 05
RSP: 0018:ffffc90004d57dd8 EFLAGS: 00000246
RAX: 1ffff1100308e82f RBX: ffff888074236600 RCX: 0000000000080000
RDX: ffffc90012327000 RSI: 000000000000f45d RDI: ffff888018474178
RBP: 0000000000000000 R08: ffff8880b8e3580b R09: 1ffff110171c6b01
R10: dffffc0000000000 R11: ffffed10171c6b02 R12: ffff888018474000
R13: ffffffff8dd47d80 R14: dffffc0000000000 R15: 0000000000000000
 __sock_create+0x4a2/0x940 net/socket.c:1549
 sock_create net/socket.c:1605 [inline]
 __sys_socket_create net/socket.c:1642 [inline]
 __sys_socket+0xc4/0x190 net/socket.c:1670
 __do_sys_socket net/socket.c:1683 [inline]
 __se_sys_socket net/socket.c:1681 [inline]
 __x64_sys_socket+0x76/0x80 net/socket.c:1681
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f5b3419c819
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:00007f5b35080028 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007f5b34415fa0 RCX: 00007f5b3419c819
RDX: 0000000000000000 RSI: 0000000400000002 RDI: 0000000000000010
RBP: 00007f5b34232c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5b34416038 R14: 00007f5b34415fa0 R15: 00007fff200a44b8
 </TASK>