rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10565 ticks this GP) idle=07b4/1/0x4000000000000000 softirq=0/0 fqs=2803 rcuc=10542 jiffies(starved)
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:    17912       3014        13380
rcu: 	cputime:     4698      24879        22899   ==> 52490(ms)
rcu: 	(t=10504 jiffies g=14285 q=1270 ncpus=2)
CPU: 1 UID: 0 PID: 29 Comm: ktimers/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:__local_bh_enable_ip+0x1c1/0x2b0 kernel/softirq.c:330
Code: f7 89 df e8 61 01 00 00 41 f7 c4 00 02 00 00 74 05 e8 a3 eb 45 00 9c 58 a9 00 02 00 00 75 23 41 f7 c4 00 02 00 00 74 01 fb 5b <41> 5c 41 5d 41 5e 41 5f 5d e9 51 72 d0 09 cc 90 0f 0b 90 e9 66 fe
RSP: 0018:ffffc90000a3f740 EFLAGS: 00000206
RAX: 0000000000000006 RBX: 0000000000000000 RCX: 0000000000000046
RDX: 0000000000000002 RSI: ffffffff8d8c9cf8 RDI: ffffffff8bcc2180
RBP: 1ffff11003ad194f R08: ffffffff8fb1dd7f R09: 1ffffffff1f63baf
R10: dffffc0000000000 R11: fffffbfff1f63bb0 R12: 0000000000000286
R13: dffffc0000000000 R14: ffff88801d68ca7c R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff888125cd5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffff6175f00 CR3: 000000003cfd8000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 __alloc_skb+0x1b1/0x7a0 net/core/skbuff.c:699
 skb_copy+0x19d/0x870 net/core/skbuff.c:2194
 mac80211_hwsim_tx_frame_no_nl+0xfab/0x1760 drivers/net/wireless/virtual/mac80211_hwsim_main.c:2020
 mac80211_hwsim_tx_frame+0x199/0x1f0 drivers/net/wireless/virtual/mac80211_hwsim_main.c:2428
 mac80211_hwsim_beacon_tx+0x396/0x820 drivers/net/wireless/virtual/mac80211_hwsim_main.c:2504
 __iterate_interfaces+0x2af/0x5a0 net/mac80211/util.c:775
 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:811
 mac80211_hwsim_beacon+0xb2/0x2b0 drivers/net/wireless/virtual/mac80211_hwsim_main.c:2536
 __run_hrtimer kernel/time/hrtimer.c:2067 [inline]
 __hrtimer_run_queues+0x3eb/0xaf0 kernel/time/hrtimer.c:2124
 hrtimer_run_softirq+0x1e1/0x2e0 kernel/time/hrtimer.c:2141
 handle_softirqs+0x1da/0x6d0 kernel/softirq.c:645
 __do_softirq kernel/softirq.c:679 [inline]
 run_ktimerd+0x6a/0x100 kernel/softirq.c:1183
 smpboot_thread_fn+0x565/0xa70 kernel/smpboot.c:160
 kthread+0x38b/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>