rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 1-....: (1 GPs behind) idle=9654/1/0x4000000000000000 softirq=61717/61718 fqs=4913
rcu: hardirqs softirqs csw/system
rcu: number: 1347263 0 0
rcu: cputime: 25689 26799 34 ==> 52500(ms)
rcu: (t=10501 jiffies g=80637 q=1391 ncpus=2)
CPU: 1 PID: 16589 Comm: syz.1.3029 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:ieee80211_queue_skb_to_iface net/mac80211/rx.c:242 [inline]
RIP: 0010:ieee80211_rx_h_mgmt+0x426/0x6f0 net/mac80211/rx.c:3994
Code: 4c 89 f8 48 c1 e8 03 80 3c 18 00 74 08 4c 89 ff e8 af be de f7 4d 8b 3f 49 8d be b4 00 00 00 48 89 f8 48 c1 e8 03 0f b6 04 18 <84> c0 0f 85 84 01 00 00 66 41 c7 86 b4 00 00 00 00 00 bf ff ff ff
RSP: 0018:ffffc900001f0470 EFLAGS: 00000a07
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff88802af9da00
RDX: 0000000000000100 RSI: ffffffff8e646620 RDI: ffff88804b90b834
RBP: 00000000ffffffff R08: ffff88802af9da00 R09: 0000000000000008
R10: 000000000000000b R11: 0000000000000100 R12: 0000000000000001
R13: ffff888068e4ca10 R14: ffff88804b90b780 R15: ffff88807e388000
FS: 00007fdd91a636c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555951d84e8 CR3: 000000005e4ee000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000200000000300
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
ieee80211_rx_handlers+0x65f9/0xb4a0 net/mac80211/rx.c:4152
ieee80211_invoke_rx_handlers net/mac80211/rx.c:4182 [inline]
ieee80211_prepare_and_rx_handle+0x29ab/0x62c0 net/mac80211/rx.c:5040
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
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:preempt_schedule_irq+0xba/0x150 kernel/sched/core.c:7010
Code: 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 6f bf 01 00 00 00 e8 a1 1b ce f6 e8 cc 28 ff f6 fb bf 01 00 00 00 f1 b4 ff ff 43 c6 44 37 08 00 48 c7 44 24 40 00 00 00 00 9c 8f
RSP: 0018:ffffc900046ff960 EFLAGS: 00000286
RAX: 54ea7578a83afe00 RBX: 0000000000000000 RCX: 54ea7578a83afe00
RDX: dffffc0000000000 RSI: ffffffff8acac9e0 RDI: 0000000000000001
RBP: ffffc900046ffa00 R08: ffffffff8e8b0c2f R09: 1ffffffff1d16185
R10: dffffc0000000000 R11: fffffbfff1d16186 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920008dff2c
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:__arch_hweight64 arch/x86/include/asm/arch_hweight.h:47 [inline]
RIP: 0010:hweight_long include/linux/bitops.h:96 [inline]
RIP: 0010:bitmap_weight include/linux/bitmap.h:456 [inline]
RIP: 0010:cpumask_weight include/linux/cpumask.h:692 [inline]
RIP: 0010:task_mm_cid_work+0x5cd/0x770 kernel/sched/core.c:11998
Code: fe ff ff 48 8b 5c 24 38 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 26 e8 80 00 0f b6 3b 48 0f b8 c7 49 89 c7 45 31 e4 45 85 ff 45 0f 4e fc 49 c7 c6 38
RSP: 0018:ffffc900046ffac0 EFLAGS: 00000246
RAX: 1ffff11004e42379 RBX: ffff888027211bc8 RCX: dffffc0000000000
RDX: 0000000000000003 RSI: ffffffff8acadb60 RDI: 0000000000000003
RBP: ffffc900046ffbb0 R08: ffffffff8e8b0c2f R09: 1ffffffff1d16185
R10: dffffc0000000000 R11: fffffbfff1d16186 R12: 0000000000000002
R13: ffff8880272113d0 R14: ffff88802af9ef7c R15: ffffe8ffffd23180
task_work_run+0x1d4/0x260 kernel/task_work.c:245
get_signal+0x1235/0x13f0 kernel/signal.c:2678
arch_do_signal_or_restart+0xc2/0x800 arch/x86/kernel/signal.c:310
exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174
exit_to_user_mode_prepare+0xee/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+0x61/0xa0 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fdd90b9c819
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:00007fdd91a63028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: 000000000000000a RBX: 00007fdd90e15fa0 RCX: 00007fdd90b9c819
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000480
RBP: 00007fdd90c32c91 R08: 0000000000000002 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fdd90e16038 R14: 00007fdd90e15fa0 R15: 00007ffff4becde8