rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 0-...!: (1 GPs behind) idle=fa0c/1/0x4000000000000000 softirq=137917/137933 fqs=0
rcu: (detected by 1, t=10505 jiffies, g=140893, q=450 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 1587 Comm: syz.1.9923 Not tainted 6.13.0-rc2-syzkaller-00362-g2d8308bf5b67 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
RIP: 0010:__run_hrtimer kernel/time/hrtimer.c:1754 [inline]
RIP: 0010:__hrtimer_run_queues+0x6b5/0xd30 kernel/time/hrtimer.c:1803
Code: 84 24 b8 00 00 00 42 0f b6 04 28 84 c0 48 8b 54 24 30 0f 85 73 02 00 00 0f b6 1a 89 de 83 e6 01 31 ff e8 ce 9b 12 00 83 e3 01 <75> 27 e8 c4 98 12 00 4c 89 f7 48 8b 74 24 58 31 d2 e8 55 2b 00 00
RSP: 0018:ffffc90000007d40 EFLAGS: 00000046
RAX: 0000000000010000 RBX: 0000000000000000 RCX: 0000000000000001
RDX: ffff888025b91e00 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000007ea0 R08: ffffffff818cc572 R09: fffff52000000f84
R10: dffffc0000000000 R11: fffff52000000f84 R12: 1ffff110170c595b
R13: dffffc0000000000 R14: ffff888020fa6340 R15: ffff8880b862c880
FS: 00007f34417ce6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f619ff8 CR3: 000000006afba000 CR4: 0000000000350ef0
Call Trace:
hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1865
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
__sysvec_apic_timer_interrupt+0x112/0x420 arch/x86/kernel/apic/apic.c:1055
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_release+0x658/0xa30 kernel/locking/lockdep.c:5874
Code: 3c 3b 00 74 08 4c 89 f7 e8 45 00 8b 00 f6 84 24 91 00 00 00 02 75 77 41 f7 c5 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 4b c7 44 27 08 00 00 00 00 65 48 8b 04 25
RSP: 0018:ffffc90003b17800 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff92000762f12 RCX: ffffc90003b17803
RDX: 0000000000000000 RSI: ffffffff8c0aa960 RDI: ffffffff8c5faba0
RBP: ffffc90003b17928 R08: ffffffff90197977 R09: 1ffffffff2032f2e
R10: dffffc0000000000 R11: fffffbfff2032f2f R12: 1ffff92000762f0c
R13: 0000000000000246 R14: ffffc90003b17890 R15: dffffc0000000000
_inline_copy_from_user include/linux/uaccess.h:162 [inline]
_copy_from_user+0x2a/0xc0 lib/usercopy.c:18
copy_from_user include/linux/uaccess.h:212 [inline]
copy_msghdr_from_user+0xae/0x680 net/socket.c:2513
recvmsg_copy_msghdr net/socket.c:2769 [inline]
___sys_recvmsg net/socket.c:2841 [inline]
do_recvmmsg+0x3bd/0xab0 net/socket.c:2940
__sys_recvmmsg net/socket.c:3014 [inline]
__do_sys_recvmmsg net/socket.c:3037 [inline]
__se_sys_recvmmsg net/socket.c:3030 [inline]
__x64_sys_recvmmsg+0x199/0x250 net/socket.c:3030
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3440985d19
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:00007f34417ce038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f3440b76080 RCX: 00007f3440985d19
RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 00007f3440a01a20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f3440b76080 R15: 00007ffffc69eb28
rcu: rcu_preempt kthread starved for 10505 jiffies! g140893 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:26072 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_timeout+0x15a/0x290 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2045
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2247
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 UID: 0 PID: 1143 Comm: kworker/u8:5 Not tainted 6.13.0-rc2-syzkaller-00362-g2d8308bf5b67 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:lock_is_held_type+0x13b/0x190
Code: 75 44 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 75 4c 41 f7 c4 00 02 00 00 74 01 fb 65 48 8b 04 25 28 00 00 00 <48> 3b 44 24 08 75 42 89 d8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f
RSP: 0018:ffffc90000a18350 EFLAGS: 00000206
RAX: 930a1ccbdc5ed600 RBX: 0000000000000001 RCX: 0000000000000302
RDX: ffff8880272b3c00 RSI: ffffffff8c0aa960 RDI: ffffffff8c5faba0
RBP: 0000000000000005 R08: ffffffff8b3f5c79 R09: ffffffff8b3f571b
R10: 0000000000000003 R11: ffff8880272b3c00 R12: 0000000000000246
R13: ffff8880272b3c00 R14: 00000000ffffffff R15: ffffffff8e937ae0
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000000e736000 CR4: 0000000000350ef0
Call Trace:
ieee80211_rx_get_bigtk+0x172/0x4c0 net/mac80211/rx.c:1904
ieee80211_rx_h_decrypt net/mac80211/rx.c:2035 [inline]
ieee80211_rx_handlers+0x2351/0xb830 net/mac80211/rx.c:4197
ieee80211_invoke_rx_handlers net/mac80211/rx.c:4245 [inline]
ieee80211_prepare_and_rx_handle+0x31ab/0x6360 net/mac80211/rx.c:5093
__ieee80211_rx_handle_packet net/mac80211/rx.c:5334 [inline]
ieee80211_rx_list+0x2df4/0x3810 net/mac80211/rx.c:5469
ieee80211_rx_napi+0x18a/0x3c0 net/mac80211/rx.c:5492
ieee80211_rx include/net/mac80211.h:5166 [inline]
ieee80211_handle_queued_frames+0xe7/0x1e0 net/mac80211/main.c:441
tasklet_action_common+0x428/0x620 kernel/softirq.c:811
handle_softirqs+0x2d6/0x9b0 kernel/softirq.c:561
__do_softirq kernel/softirq.c:595 [inline]
invoke_softirq kernel/softirq.c:435 [inline]
__irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662
irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline]
RIP: 0010:smp_call_function_many_cond+0x19f8/0x2c60 kernel/smp.c:884
Code: 89 e6 83 e6 01 31 ff e8 56 e9 0b 00 41 83 e4 01 49 bc 00 00 00 00 00 fc ff df 75 07 e8 01 e5 0b 00 eb 38 f3 90 42 0f b6 04 23 <84> c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 e5 e4 0b 00 eb e4 44
RSP: 0018:ffffc90003f2f6e0 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 1ffff110170c8c89 RCX: ffff8880272b3c00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90003f2f8e0 R08: ffffffff8193792a R09: 1ffffffff2854310
R10: dffffc0000000000 R11: fffffbfff2854311 R12: dffffc0000000000
R13: ffff8880b8646448 R14: ffff8880b873fac0 R15: 0000000000000000
on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1051
on_each_cpu include/linux/smp.h:71 [inline]
text_poke_sync arch/x86/kernel/alternative.c:2114 [inline]
text_poke_bp_batch+0x352/0xb30 arch/x86/kernel/alternative.c:2324
text_poke_flush arch/x86/kernel/alternative.c:2515 [inline]
text_poke_finish+0x30/0x50 arch/x86/kernel/alternative.c:2522
arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
static_key_enable_cpuslocked+0x136/0x260 kernel/jump_label.c:210
static_key_enable+0x1a/0x20 kernel/jump_label.c:223
toggle_allocation_gate+0xbc/0x260 mm/kfence/core.c:849
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa68/0x1840 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244