rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 0-....: (1 GPs behind) idle=09d/1/0x4000000000000000 softirq=17025/17028 fqs=5244
(t=10502 jiffies g=23653 q=1341)
NMI backtrace for cpu 0
CPU: 0 PID: 7853 Comm: syz.4.843 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
Call Trace:
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
nmi_cpu_backtrace+0x3a2/0x3d0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x163/0x280 lib/nmi_backtrace.c:62
trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
rcu_dump_cpu_stacks+0x22d/0x380 kernel/rcu/tree_stall.h:349
print_cpu_stall+0x31f/0x5f0 kernel/rcu/tree_stall.h:633
check_cpu_stall kernel/rcu/tree_stall.h:727 [inline]
rcu_pending kernel/rcu/tree.c:3936 [inline]
rcu_sched_clock_irq+0x6ec/0x1120 kernel/rcu/tree.c:2619
update_process_times+0x193/0x200 kernel/time/timer.c:2021
tick_sched_handle kernel/time/tick-sched.c:254 [inline]
tick_sched_timer+0x37d/0x560 kernel/time/tick-sched.c:1473
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x4b0/0xb60 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x397/0x8b0 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
__sysvec_apic_timer_interrupt+0x137/0x4a0 arch/x86/kernel/apic/apic.c:1114
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0x4d/0xc0 arch/x86/kernel/apic/apic.c:1108
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:ffs arch/x86/include/asm/bitops.h:297 [inline]
RIP: 0010:handle_softirqs+0x1a4/0x830 kernel/softirq.c:564
Code: 24 78 44 89 64 24 30 0f b7 db 48 c7 c7 60 13 2a 8a e8 d0 ec 78 08 65 66 c7 05 66 5d ba 7e 00 00 e8 91 13 36 00 fb 89 5c 24 3c ff ff ff ff 0f bc 44 24 3c 41 89 c6 41 ff c6 0f 85 d2 00 00 00
RSP: 0018:ffffc90000007e20 EFLAGS: 00000282
RAX: 2aa62f6f4a7d4600 RBX: 0000000000000202 RCX: 2aa62f6f4a7d4600
RDX: dffffc0000000000 RSI: ffffffff8a2b2b60 RDI: ffffffff8a7a4b40
RBP: ffffc90000007f30 R08: ffffffff910151d7 R09: 1ffffffff2202a3a
R10: dffffc0000000000 R11: fffffbfff2202a3b R12: 000000000000000a
R13: 0000000000000000 R14: ffff888023c60000 R15: dffffc0000000000
__do_softirq kernel/softirq.c:610 [inline]
invoke_softirq kernel/softirq.c:450 [inline]
__irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659
irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:preempt_schedule_irq+0xb6/0x160 kernel/sched/core.c:6799
Code: 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 7f bf 01 00 00 00 e8 35 f4 87 f7 e8 b0 eb b4 f7 fb bf 01 00 00 00 d5 b5 ff ff 43 c6 44 37 08 00 48 c7 44 24 40 00 00 00 00 9c 8f
RSP: 0018:ffffc90002eee120 EFLAGS: 00000282
RAX: 2aa62f6f4a7d4600 RBX: 0000000000000000 RCX: 2aa62f6f4a7d4600
RDX: dffffc0000000000 RSI: ffffffff8a2b2b60 RDI: 0000000000000001
RBP: ffffc90002eee1d0 R08: ffffffff910151d7 R09: 1ffffffff2202a3a
R10: dffffc0000000000 R11: fffffbfff2202a3b R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920005ddc24
irqentry_exit+0x63/0x70 kernel/entry/common.c:435
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:lock_is_held_type+0x1/0x190 kernel/locking/lockdep.c:5793
Code: a9 04 00 75 d6 48 c7 c7 00 2a 2b 8a 48 c7 c6 40 2a 2b 8a e8 b1 10 f5 ff 0f 0b eb bf e8 98 fd ff ff 0f 1f 84 00 00 00 00 00 55 <41> 57 41 56 41 55 41 54 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00
RSP: 0018:ffffc90002eee290 EFLAGS: 00000202
RAX: 0000000000000001 RBX: 1ffff920005ddc5c RCX: ffff888023c60000
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffffffff8d11f000
RBP: ffffc90002eee3b0 R08: 0000000000000000 R09: 1ffff110054ed039
R10: dffffc0000000000 R11: ffffed10054ed03a R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff88805e954c80 R15: 0000000000000001
lock_is_held include/linux/lockdep.h:292 [inline]
___might_sleep+0x9b/0x610 kernel/sched/core.c:9624
drv_sta_state+0x41/0x1080 net/mac80211/driver-ops.c:115
__sta_info_destroy_part2+0x2a4/0x3f0 net/mac80211/sta_info.c:1109
__sta_info_flush+0x3ad/0x460 net/mac80211/sta_info.c:1237
sta_info_flush net/mac80211/sta_info.h:845 [inline]
ieee80211_ibss_disconnect+0x25a/0x6f0 net/mac80211/ibss.c:699
ieee80211_ibss_leave+0x21/0x120 net/mac80211/ibss.c:1873
rdev_leave_ibss net/wireless/rdev-ops.h:555 [inline]
__cfg80211_leave_ibss+0x1ce/0x3f0 net/wireless/ibss.c:213
cfg80211_leave net/wireless/core.c:1323 [inline]
cfg80211_netdev_notifier_call+0x527/0x12a0 net/wireless/core.c:1483
notifier_call_chain kernel/notifier.c:83 [inline]
raw_notifier_call_chain+0xcb/0x160 kernel/notifier.c:391
call_netdevice_notifiers_extack net/core/dev.c:2074 [inline]
call_netdevice_notifiers net/core/dev.c:2088 [inline]
__dev_close_many+0x10f/0x2b0 net/core/dev.c:1608
__dev_close net/core/dev.c:1646 [inline]
__dev_change_flags+0x2c9/0x6a0 net/core/dev.c:8878
dev_change_flags+0x78/0x1a0 net/core/dev.c:8951
do_setlink+0xca4/0x29d0 net/core/rtnetlink.c:2793
__rtnl_newlink net/core/rtnetlink.c:3464 [inline]
rtnl_newlink+0x15bb/0x1920 net/core/rtnetlink.c:3586
rtnetlink_rcv_msg+0x7f1/0xf10 net/core/rtnetlink.c:5698
netlink_rcv_skb+0x1e9/0x430 net/netlink/af_netlink.c:2519
netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline]
netlink_unicast+0x78f/0x940 net/netlink/af_netlink.c:1340
netlink_sendmsg+0x8ba/0xbe0 net/netlink/af_netlink.c:1919
sock_sendmsg_nosec net/socket.c:706 [inline]
__sock_sendmsg net/socket.c:718 [inline]
____sys_sendmsg+0x5be/0x8f0 net/socket.c:2446
___sys_sendmsg+0x236/0x2e0 net/socket.c:2500
__sys_sendmsg net/socket.c:2529 [inline]
__do_sys_sendmsg net/socket.c:2538 [inline]
__se_sys_sendmsg+0x1b7/0x2a0 net/socket.c:2536
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f51d4af3559
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:00007f51d2d4b028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f51d4d7afa0 RCX: 00007f51d4af3559
RDX: 0000000000000000 RSI: 0000200000000600 RDI: 0000000000000003
RBP: 00007f51d4b8aab8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f51d4d7b038 R14: 00007f51d4d7afa0 R15: 00007fff08e85508