syzbot

rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10399 ticks this GP) idle=2e54/1/0x4000000000000000 softirq=53387/53388 fqs=4253
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1000634          6            0
rcu: 	cputime:    26063      26426           63   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=72853 q=2671 ncpus=2)
CPU: 0 PID: 14921 Comm: syz.2.2500 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xc0/0x120 kernel/locking/spinlock.c:194
Code: c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f7 44 24 20 00 02 00 00 41 c6 04 07 f8 75 4b f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 0b c9 cd f6 65 8b 05 2c f8 74 75 85 c0 74 3c 48 c7 04 24 0e 36
RSP: 0018:ffffc900000076c0 EFLAGS: 00000206
RAX: dffffc0000000004 RBX: 0000000000000a06 RCX: 220bf577911cc800
RDX: dffffc0000000000 RSI: ffffffff8acac960 RDI: 0000000000000001
RBP: ffffc90000007740 R08: ffffffff911c1627 R09: 1ffffffff22382c4
R10: dffffc0000000000 R11: fffffbfff22382c5 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888078c786b8 R15: 1ffff92000000ed8
FS:  00007f9bd851d6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9bd84dbd58 CR3: 0000000062ebb000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000200000000300
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
 wiphy_work_queue+0x151/0x1a0 net/wireless/core.c:1640
 ieee80211_accept_frame net/mac80211/rx.c:4419 [inline]
 ieee80211_prepare_and_rx_handle+0x3901/0x62c0 net/mac80211/rx.c:4995
 ieee80211_rx_for_interface net/mac80211/rx.c:5125 [inline]
 __ieee80211_rx_handle_packet net/mac80211/rx.c:5298 [inline]
 ieee80211_rx_list+0x295e/0x32d0 net/mac80211/rx.c:5437
 ieee80211_rx_napi+0x1b2/0x3d0 net/mac80211/rx.c:5460
 ieee80211_rx include/net/mac80211.h:4971 [inline]
 ieee80211_handle_queued_frames+0x106/0x1a0 net/mac80211/main.c:319
 tasklet_action_common+0x302/0x4d0 kernel/softirq.c:809
 handle_softirqs+0x280/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:finish_task_switch+0x26a/0x8f0 kernel/sched/core.c:5255
Code: 0f 84 33 01 00 00 48 85 db 0f 85 52 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 4c 89 e7 e8 00 54 31 09 e8 9b 23 30 00 fb 4c 8b 65 c0 <49> 8d bc 24 f8 15 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0
RSP: 0018:ffffc900043af478 EFLAGS: 00000286
RAX: 220bf577911cc800 RBX: 0000000000000000 RCX: 220bf577911cc800
RDX: dffffc0000000000 RSI: ffffffff8acac960 RDI: ffffffff8b1c85a0
RBP: ffffc900043af4d0 R08: ffffffff911c1627 R09: 1ffffffff22382c4
R10: dffffc0000000000 R11: fffffbfff22382c5 R12: ffff888021f41e00
R13: dffffc0000000000 R14: ffff888030cabc00 R15: ffff8880b8e3cac8
 context_switch kernel/sched/core.c:5384 [inline]
 __schedule+0x155b/0x45a0 kernel/sched/core.c:6700
 schedule+0xbd/0x170 kernel/sched/core.c:6774
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6833
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x6a9/0xcc0 kernel/locking/mutex.c:747
 rxrpc_do_sendmsg+0xcc8/0x1280 net/rxrpc/sendmsg.c:674
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 ____sys_sendmsg+0x5ba/0x960 net/socket.c:2594
 ___sys_sendmsg+0x2a6/0x360 net/socket.c:2648
 __sys_sendmsg net/socket.c:2677 [inline]
 __do_sys_sendmsg net/socket.c:2686 [inline]
 __se_sys_sendmsg+0x1c2/0x2b0 net/socket.c:2684
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f9bd759c799
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:00007f9bd851d028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f9bd7815fa0 RCX: 00007f9bd759c799
RDX: 0000000000008000 RSI: 0000200000000000 RDI: 0000000000000009
RBP: 00007f9bd7632c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9bd7816038 R14: 00007f9bd7815fa0 R15: 00007ffc6e40ef48
 </TASK>