rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 1-....: (10487 ticks this GP) idle=eb24/1/0x4000000000000000 softirq=23982/23983 fqs=4351
rcu: hardirqs softirqs csw/system
rcu: number: 1119457 0 0
rcu: cputime: 19929 32550 34 ==> 52480(ms)
rcu: (t=10500 jiffies g=26809 q=1126 ncpus=2)
CPU: 1 PID: 8723 Comm: syz.3.782 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:ieee80211_rx_h_userspace_mgmt net/mac80211/rx.c:-1 [inline]
RIP: 0010:ieee80211_rx_handlers+0x6170/0xb0c0 net/mac80211/rx.c:4143
Code: ff df 0f b6 04 08 84 c0 0f 85 3d 49 00 00 41 0f be 06 89 44 24 18 e9 5e 0b 00 00 e8 8a 4a a2 f7 e9 3e 0f 00 00 e8 80 4a a2 f7 <49> bd 00 00 00 00 00 fc ff df 4c 8b 64 24 10 48 8b 5c 24 38 48 8b
RSP: 0018:ffffc900001f04c0 EFLAGS: 00000246
RAX: ffffffff89e33a60 RBX: ffff8880457d0000 RCX: ffff8880248a1e00
RDX: 0000000000000100 RSI: 0000000000000080 RDI: 00000000000000d0
RBP: ffffc900001f0790 R08: ffff8880787d8e7f R09: 1ffff1100f0fb1cf
R10: dffffc0000000000 R11: ffffed100f0fb1d0 R12: 000000000000004c
R13: 0000000000000080 R14: ffff8880457d0000 R15: ffff88807d793450
FS: 00007f3d2a22a6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558af0f808 CR3: 000000007a581000 CR4: 00000000003506e0
DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
ieee80211_invoke_rx_handlers net/mac80211/rx.c:4177 [inline]
ieee80211_prepare_and_rx_handle+0x25fe/0x61d0 net/mac80211/rx.c:5035
ieee80211_rx_for_interface net/mac80211/rx.c:5120 [inline]
__ieee80211_rx_handle_packet net/mac80211/rx.c:5293 [inline]
ieee80211_rx_list+0x28ae/0x31f0 net/mac80211/rx.c:5432
ieee80211_rx_napi+0x1aa/0x3c0 net/mac80211/rx.c:5455
ieee80211_rx include/net/mac80211.h:4971 [inline]
ieee80211_handle_queued_frames+0x106/0x1a0 net/mac80211/main.c:319
tasklet_action_common+0x2eb/0x4c0 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+0xc7/0x190 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
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:preempt_schedule_irq+0xb0/0x140 kernel/sched/core.c:7009
Code: 44 24 20 f6 44 24 21 02 74 0b 0f 0b 48 f7 03 08 00 00 00 74 63 bf 01 00 00 00 e8 8b b3 eb f6 e8 26 3a 1c f7 fb bf 01 00 00 00 db b5 ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc900044ff960 EFLAGS: 00000286
RAX: ac58ac75ce33c600 RBX: 0000000000000000 RCX: ac58ac75ce33c600
RDX: dffffc0000000000 RSI: ffffffff8aaabce0 RDI: 0000000000000001
RBP: ffffc900044ffa00 R08: ffffffff8e4a212f R09: 1ffffffff1c94425
R10: dffffc0000000000 R11: fffffbfff1c94426 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff9200089ff2c
irqentry_exit+0x67/0x70 kernel/entry/common.c:438
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:sched_mm_cid_remote_clear_old kernel/sched/core.c:11935 [inline]
RIP: 0010:task_mm_cid_work+0x3ea/0x760 kernel/sched/core.c:11994
Code: 00 00 4c 8d b3 7c 15 00 00 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 0f 85 9d 01 00 00 41 83 3e 00 <74> 34 48 81 c3 40 05 00 00 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00
RSP: 0018:ffffc900044ffac0 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffff88802c7dda00 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffffffff8aaace60 RDI: ffffffff8afc6f80
RBP: ffffc900044ffbb0 R08: dffffc0000000000 R09: 1ffffffff21b28a0
R10: dffffc0000000000 R11: fffffbfff21b28a1 R12: 0000000000000000
R13: ffffffff815d50d8 R14: ffff88802c7def7c R15: ffffe8ffff800010
task_work_run+0x1ce/0x250 kernel/task_work.c:239
get_signal+0x1235/0x1400 kernel/signal.c:2678
arch_do_signal_or_restart+0x9c/0x7b0 arch/x86/kernel/signal.c:310
exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174
exit_to_user_mode_prepare+0xf6/0x180 kernel/entry/common.c:210
__syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302
do_syscall_64+0x61/0xb0 arch/x86/entry/common.c:87
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f3d2938f749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3d2a22a038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: 0000000000000006 RBX: 00007f3d295e5fa0 RCX: 00007f3d2938f749
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000140
RBP: 00007f3d29413f91 R08: 0000000000000002 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3d295e6038 R14: 00007f3d295e5fa0 R15: 00007ffc535c3158