rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P9/2:b..l
(detected by 0, t=10502 jiffies, g=5725, q=14 ncpus=2)
task:kworker/u4:0 state:R running task stack:23096 pid:9 ppid:2 flags:0x00004000
Workqueue: phy6 ieee80211_iface_work
Call Trace:
context_switch kernel/sched/core.c:5245 [inline]
__schedule+0x142d/0x4550 kernel/sched/core.c:6558
preempt_schedule_irq+0xf7/0x1c0 kernel/sched/core.c:6870
irqentry_exit+0x53/0x80 kernel/entry/common.c:439
asm_sysvec_reschedule_ipi+0x16/0x20 arch/x86/include/asm/idtentry.h:658
RIP: 0010:__rhashtable_lookup include/linux/rhashtable.h:594 [inline]
RIP: 0010:rhltable_lookup+0x162/0x7f0 include/linux/rhashtable.h:688
Code: 24 68 42 80 3c 28 00 74 08 48 89 df e8 77 b3 de f7 48 89 5c 24 60 4c 89 b4 24 f8 00 00 00 4c 89 e0 48 c1 e8 03 42 80 3c 28 00 <74> 08 4c 89 e7 e8 d4 b2 de f7 49 8b 04 24 48 89 44 24 08 e8 d6 b3
RSP: 0018:ffffc900000e7720 EFLAGS: 00000246
RAX: 1ffff11002bdd300 RBX: ffffc900000e7818 RCX: ffff88813fe88000
RDX: 0000000000000000 RSI: ffff8880571b405a RDI: ffff888015ee9800
RBP: ffffc900000e7888 R08: ffffffff8a0360fc R09: fffffbfff2093845
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888015ee9800
R13: dffffc0000000000 R14: ffff8880571b405a R15: ffff88805790cc80
sta_info_hash_lookup net/mac80211/sta_info.c:195 [inline]
sta_info_get+0x124/0x2a0 net/mac80211/sta_info.c:207
ieee80211_update_sta_info net/mac80211/ibss.c:1000 [inline]
ieee80211_rx_bss_info net/mac80211/ibss.c:1118 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1609 [inline]
ieee80211_ibss_rx_queued_mgmt+0x10f0/0x2dd0 net/mac80211/ibss.c:1638
ieee80211_iface_process_skb net/mac80211/iface.c:1632 [inline]
ieee80211_iface_work+0x7aa/0xce0 net/mac80211/iface.c:1686
process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
rcu: rcu_preempt kthread starved for 10528 jiffies! g5725 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt state:R running task stack:25528 pid:16 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5245 [inline]
__schedule+0x142d/0x4550 kernel/sched/core.c:6558
preempt_schedule_irq+0xf7/0x1c0 kernel/sched/core.c:6870
irqentry_exit+0x53/0x80 kernel/entry/common.c:439
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:101 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:128 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x5c/0x290 mm/kasan/generic.c:189
Code: fb 48 c1 eb 03 49 b8 00 00 00 00 00 fc ff df 4e 8d 0c 03 4c 8d 54 37 ff 49 c1 ea 03 49 bb 01 00 00 00 00 fc ff df 4f 8d 34 1a <4c> 89 f5 4c 29 cd 48 83 fd 10 7f 26 48 85 ed 0f 84 3a 01 00 00 49
RSP: 0018:ffffc90000157b70 EFLAGS: 00000a07
RAX: 0000000000000001 RBX: 1ffff11027fd7b28 RCX: ffffffff8a938926
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88813febd940
RBP: 000000000001ffff R08: dffffc0000000000 R09: ffffed1027fd7b28
R10: 1ffff11027fd7b28 R11: dffffc0000000001 R12: ffff88813febd940
R13: 1ffff9200002af78 R14: ffffed1027fd7b29 R15: dffffc0000000000
instrument_atomic_read include/linux/instrumented.h:72 [inline]
_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
test_ti_thread_flag include/linux/thread_info.h:118 [inline]
need_resched include/linux/sched.h:2231 [inline]
schedule+0xd6/0x180 kernel/sched/core.c:6636
schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1965
rcu_gp_fqs_loop+0x2d2/0x1150 kernel/rcu/tree.c:1706
rcu_gp_kthread+0xa3/0x3b0 kernel/rcu/tree.c:1905
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 3539 Comm: syz-fuzzer Not tainted 6.1.92-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:rcu_note_context_switch+0xb72/0xf30 kernel/rcu/tree_plugin.h:359
Code: a3 02 00 00 41 c6 06 00 49 8d bd 80 04 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 aa 01 00 00 45 8b b5 80 04 00 00 <49> 8d 9d 89 04 00 00 48 89 d8 48 c1 e8 03 42 0f b6 04 20 84 c0 0f
RSP: 0018:ffffc90003a7f6e0 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 1ffff1101732771a RCX: ffff88807dd89dc0
RDX: 0000000000000000 RSI: ffffffff8aed4840 RDI: ffff88807dd8a240
RBP: ffffc90003a7f850 R08: dffffc0000000000 R09: fffffbfff1ce712e
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88807dd89dc0 R14: 0000000000000000 R15: ffff8880b993b8c0
FS: 000000c00005a090(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c000063e80 CR3: 0000000021881000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__schedule+0x32e/0x4550 kernel/sched/core.c:6458
preempt_schedule_common+0x83/0xd0 kernel/sched/core.c:6727
preempt_schedule+0xd9/0xe0 kernel/sched/core.c:6751
preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:34
__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
_raw_spin_unlock_irq+0x3c/0x40 kernel/locking/spinlock.c:202
spin_unlock_irq include/linux/spinlock.h:401 [inline]
get_signal+0x154b/0x17d0 kernel/signal.c:2865
arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871
exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:174
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
__syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x472f37
Code: 8b 44 24 20 b9 40 42 0f 00 f7 f1 48 89 04 24 b8 e8 03 00 00 f7 e2 48 89 44 24 08 48 89 e7 be 00 00 00 00 b8 23 00 00 00 0f 05 <48> 83 c4 10 5d c3 cc cc cc b8 ba 00 00 00 0f 05 89 44 24 08 c3 cc
RSP: 002b:000000c00006bf18 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000000014 RCX: 0000000000472f37
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000c00006bf18
RBP: 000000c00006bf28 R08: 00007ffd487f40b0 R09: 0000000000000010
R10: 00007ffd487f4080 R11: 0000000000000202 R12: 000000c00006bf18
R13: 000000c0006ed800 R14: 000000c0000064e0 R15: 000000000000000b