rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2630 jiffies s: 158429 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: 29381 Comm: syz.5.6405 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:tracing_gen_ctx_irq_test+0x0/0x150 kernel/trace/trace.c:2633
Code: 5b 41 5e 41 5f 5d c3 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 71 ff ff ff 4c 89 f7 e8 1a a5 4d 00 e9 64 ff ff ff 0f 1f 44 00 00 <55> 41 57 41 56 41 55 41 54 53 89 fd 49 be 00 00 00 00 00 fc ff df
RSP: 0018:ffffc90000007578 EFLAGS: 00000046
RAX: ffffffff818a4440 RBX: ffffe8ffffcdc000 RCX: ffff8880798e8000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000007630 R08: ffffc9000000780f R09: ffffc90000007800
R10: dffffc0000000000 R11: fffff52000000f02 R12: dffffc0000000000
R13: 1ffff92000000eb4 R14: 000000000000011d R15: 0000000000000001
FS:  00007f38b3c556c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000006034b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 tracing_gen_ctx_flags include/linux/trace_events.h:185 [inline]
 tracing_gen_ctx include/linux/trace_events.h:192 [inline]
 perf_trace_buf_update+0xa8/0x230 kernel/trace/trace_event_perf.c:433
 perf_tp_event+0x217/0xc10 kernel/events/core.c:10060
 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10032
 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 a2 7c 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:ffffc90000007ae0 EFLAGS: 00000206
RAX: 9320bc2194800a00 RBX: 1ffff92000000f64 RCX: 9320bc2194800a00
RDX: dffffc0000000000 RSI: ffffffff8a8c17a0 RDI: ffffffff8adf5de0
RBP: ffffc90000007bd0 R08: ffffffff90b10347 R09: 1ffffffff2162068
R10: dffffc0000000000 R11: fffffbfff2162069 R12: 0000000000000246
R13: dffffc0000000000 R14: ffff8880b8e3bb00 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:1751 [inline]
 __hrtimer_run_queues+0x522/0xc90 kernel/time/hrtimer.c:1815
 hrtimer_run_softirq+0x173/0x290 kernel/time/hrtimer.c:1832
 handle_softirqs+0x291/0x910 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:memset_erms+0xb/0x10 arch/x86/lib/memset_64.S:65
Code: 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 f3 48 ab 89 d1 f3 aa 4c 89 c8 c3 90 49 89 f9 40 88 f0 48 89 d1 f3 aa <4c> 89 c8 c3 90 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01 01 01
RSP: 0018:ffffc90003bef0f8 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffffc90003bef1a8 RCX: 0000000000000000
RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffffc90003bef208
RBP: dffffc0000000000 R08: ffffc90003bef207 R09: ffffc90003bef1f8
R10: dffffc0000000000 R11: fffff5200077de41 R12: dffffc0000000000
R13: ffffc90003bf0000 R14: ffffc90003bef1e0 R15: ffffc90003bef1dd
 unwind_next_frame+0x8da/0x1fd0 arch/x86/kernel/unwind_orc.c:546
 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:46 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
 ____kasan_kmalloc mm/kasan/common.c:375 [inline]
 __kasan_kmalloc+0x8e/0xa0 mm/kasan/common.c:384
 kasan_kmalloc include/linux/kasan.h:211 [inline]
 __do_kmalloc_node mm/slab_common.c:936 [inline]
 __kmalloc_node_track_caller+0xb0/0x240 mm/slab_common.c:956
 kmalloc_reserve net/core/skbuff.c:446 [inline]
 __alloc_skb+0x226/0x7d0 net/core/skbuff.c:515
 alloc_skb_fclone include/linux/skbuff.h:1353 [inline]
 tipc_buf_acquire net/tipc/msg.c:72 [inline]
 tipc_msg_create+0x46/0x4b0 net/tipc/msg.c:104
 tipc_group_proto_xmit+0xcd/0x870 net/tipc/group.c:710
 tipc_group_proto_rcv+0x10a2/0x1c90 net/tipc/group.c:778
 tipc_sk_proto_rcv+0x6c5/0x1810 net/tipc/socket.c:2172
 tipc_sk_filter_rcv+0x2f98/0x3250 net/tipc/socket.c:2357
 tipc_sk_backlog_rcv+0x138/0x260 net/tipc/socket.c:2412
 sk_backlog_rcv include/net/sock.h:1138 [inline]
 __release_sock+0x1e6/0x460 net/core/sock.c:2954
 release_sock+0x5b/0x1b0 net/core/sock.c:3520
 tipc_setsockopt+0x72c/0x960 net/tipc/socket.c:3221
 __sys_setsockopt+0x2bf/0x3d0 net/socket.c:2288
 __do_sys_setsockopt net/socket.c:2299 [inline]
 __se_sys_setsockopt net/socket.c:2296 [inline]
 __x64_sys_setsockopt+0xb1/0xc0 net/socket.c:2296
 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: 0033:0x7f38b2d9e0d9
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:00007f38b3c55028 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007f38b3025fa0 RCX: 00007f38b2d9e0d9
RDX: 0000000000000087 RSI: 000000000000010f RDI: 0000000000000006
RBP: 00007f38b2e35024 R08: 0000000000000043 R09: 0000000000000000
R10: 00002000000008c0 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f38b3026038 R14: 00007f38b3025fa0 R15: 00007fff68508628
 </TASK>