rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2654 jiffies s: 4437 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 6391 Comm: modprobe Not tainted 6.9.0-rc5-syzkaller-01489-gdcc61472534e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:__list_del_entry_valid_or_report+0x7e/0x140 lib/list_debug.c:62
Code: 74 7c 48 ba 00 01 00 00 00 00 ad de 49 39 d6 74 7f 48 83 c2 22 48 39 d3 0f 84 84 00 00 00 48 89 d8 48 c1 e8 03 42 80 3c 20 00 <74> 08 48 89 df e8 d8 8e 43 fd 48 8b 13 4c 39 fa 75 78 49 8d 5e 08
RSP: 0018:ffffc90000006a18 EFLAGS: 00000246
RAX: 1ffff1100fd38d85 RBX: ffff88807e9c6c28 RCX: ffff88801f8bda00
RDX: dead000000000122 RSI: 00000000e567a556 RDI: ffff888062e2f428
RBP: ffffc90000006db0 R08: ffffffff8afba6c7 R09: 1ffff1100fd38daf
R10: dffffc0000000000 R11: ffffed100fd38db0 R12: dffffc0000000000
R13: ffff88807e9c6c18 R14: ffff88807e9c6c28 R15: ffff888062e2f420
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6abd9a8000 CR3: 000000000e134000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __list_del_entry_valid include/linux/list.h:124 [inline]
 __list_del_entry include/linux/list.h:215 [inline]
 list_move_tail include/linux/list.h:310 [inline]
 fq_tin_dequeue include/net/fq_impl.h:112 [inline]
 ieee80211_tx_dequeue+0x7df/0x4a60 net/mac80211/tx.c:3854
 wake_tx_push_queue net/mac80211/util.c:294 [inline]
 ieee80211_handle_wake_tx_queue+0x155/0x2d0 net/mac80211/util.c:315
 drv_wake_tx_queue net/mac80211/driver-ops.h:1350 [inline]
 schedule_and_wake_txq net/mac80211/driver-ops.h:1357 [inline]
 ieee80211_queue_skb+0x1aea/0x24c0 net/mac80211/tx.c:1664
 ieee80211_tx+0x2c4/0x470 net/mac80211/tx.c:1966
 __ieee80211_subif_start_xmit+0xe91/0x1600 net/mac80211/tx.c:4338
 ieee80211_subif_start_xmit+0xde/0x4d0 net/mac80211/tx.c:4532
 __netdev_start_xmit include/linux/netdevice.h:4881 [inline]
 netdev_start_xmit include/linux/netdevice.h:4895 [inline]
 xmit_one net/core/dev.c:3579 [inline]
 dev_hard_start_xmit+0x27a/0x7e0 net/core/dev.c:3595
 __dev_queue_xmit+0x1b0e/0x3d30 net/core/dev.c:4394
 dev_queue_xmit include/linux/netdevice.h:3094 [inline]
 neigh_hh_output include/net/neighbour.h:526 [inline]
 neigh_output include/net/neighbour.h:540 [inline]
 ip6_finish_output2+0xfc0/0x1670 net/ipv6/ip6_output.c:137
 ip6_finish_output+0x41e/0x810 net/ipv6/ip6_output.c:222
 NF_HOOK include/linux/netfilter.h:314 [inline]
 ndisc_send_skb+0xab0/0x1380 net/ipv6/ndisc.c:509
 addrconf_rs_timer+0x36e/0x660 net/ipv6/addrconf.c:4039
 call_timer_fn+0x18e/0x650 kernel/time/timer.c:1793
 expire_timers kernel/time/timer.c:1844 [inline]
 __run_timers kernel/time/timer.c:2418 [inline]
 __run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2429
 run_timer_base kernel/time/timer.c:2438 [inline]
 run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2448
 __do_softirq+0x2c6/0x980 kernel/softirq.c:554
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:645
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__sanitizer_cov_trace_switch+0x6/0x120 kernel/kcov.c:317
Code: 20 c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 57 <41> 56 41 54 53 4c 8b 16 48 8b 46 08 48 83 c0 f8 48 c1 c0 3d 48 83
RSP: 0018:ffffc9000318f538 EFLAGS: 00000206
RAX: 0000000000000000 RBX: 0000000000000003 RCX: ffff88801f8bda00
RDX: 0000000000000000 RSI: ffffffff8e1a2f00 RDI: 0000000000000003
RBP: ffffffff90cb82b2 R08: ffffffff81414480 R09: ffffc9000318f710
R10: 0000000000000003 R11: ffffffff8181fb90 R12: ffffffff90245188
R13: dffffc0000000000 R14: 1ffff92000631ec4 R15: ffffffff90cb82ae
 unwind_next_frame+0x6c2/0x2a00 arch/x86/kernel/unwind_orc.c:505
 arch_stack_walk+0x151/0x1b0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579
 poison_slab_object+0xa6/0xe0 mm/kasan/common.c:240
 __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256
 kasan_slab_free include/linux/kasan.h:184 [inline]
 slab_free_hook mm/slub.c:2106 [inline]
 slab_free mm/slub.c:4280 [inline]
 kmem_cache_free+0x10b/0x2c0 mm/slub.c:4344
 remove_vma mm/mmap.c:146 [inline]
 exit_mmap+0x6ae/0xd60 mm/mmap.c:3291
 __mmput+0x115/0x3c0 kernel/fork.c:1346
 exit_mm+0x220/0x310 kernel/exit.c:569
 do_exit+0x99e/0x27e0 kernel/exit.c:865
 do_group_exit+0x207/0x2c0 kernel/exit.c:1027
 __do_sys_exit_group kernel/exit.c:1038 [inline]
 __se_sys_exit_group kernel/exit.c:1036 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1036
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9ee3888a90
Code: Unable to access opcode bytes at 0x7f9ee3888a66.
RSP: 002b:00007ffe7d8124b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f9ee3979860 RCX: 00007f9ee3888a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f9ee3979860 R08: 00007ffe7d812330 R09: 00007ffe7d812410
R10: 00007ffe7d812370 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f9ee397d658 R15: 0000000000000001
 </TASK>