rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (1 GPs behind) idle=41ac/1/0x4000000000000000 softirq=48605/48608 fqs=0
rcu: 	(detected by 1, t=10502 jiffies, g=77941, q=180 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 13356 Comm: syz-executor.1 Not tainted 6.10.0-rc3-syzkaller-00022-gcea2a26553ac #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:srso_alias_safe_ret+0x0/0x7 arch/x86/lib/retpoline.S:171
Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc <48> 8d 64 24 08 c3 cc e8 f4 ff ff ff 0f 0b cc cc cc cc cc cc cc cc
RSP: 0018:ffffc90000007c80 EFLAGS: 00000046
RAX: 0000000080010001 RBX: 17ddc6cbd0000000 RCX: ffff88801f159e00
RDX: 0000000080010001 RSI: 0000000000000001 RDI: 0000000000000010
RBP: ffff888023b9f8c8 R08: ffffffff899005d9 R09: fffff52000000f80
R10: dffffc0000000000 R11: fffff52000000f80 R12: dffffc0000000000
R13: ffff888023b9f800 R14: ffff888023b9f800 R15: 0000000000000001
FS:  00007f66127ce6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f66127cdc98 CR3: 000000007fcb0000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 srso_alias_return_thunk+0x5/0xfbef5 arch/x86/lib/retpoline.S:181
 advance_sched+0x529/0xca0 net/sched/sch_taprio.c:961
 __run_hrtimer kernel/time/hrtimer.c:1687 [inline]
 __hrtimer_run_queues+0x59d/0xd50 kernel/time/hrtimer.c:1751
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1813
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x112/0x3f0 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 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:obj_cgroup_put include/linux/memcontrol.h:821 [inline]
RIP: 0010:refill_obj_stock+0x40e/0x6c0 mm/memcontrol.c:3662
Code: 60 42 80 3c 2b 00 74 08 4c 89 ff e8 9c 0f f8 ff f6 44 24 61 02 0f 85 bc 00 00 00 41 f7 c4 00 02 00 00 74 01 fb 48 8b 7c 24 18 <48> 85 ff 74 05 e8 18 bd 00 00 45 85 f6 74 4f 48 8b 7c 24 08 e8 b9
RSP: 0018:ffffc9001159f600 EFLAGS: 00000206
RAX: 51c4125732447300 RBX: 1ffff920022b3ecc RCX: ffffffff947a3603
RDX: dffffc0000000000 RSI: ffffffff8bcabb80 RDI: ffff888024430300
RBP: ffffc9001159f6f0 R08: ffffffff8fad4def R09: 1ffffffff1f5a9bd
R10: dffffc0000000000 R11: fffffbfff1f5a9be R12: 0000000000000246
R13: dffffc0000000000 R14: 0000000000000001 R15: ffffc9001159f660
 obj_cgroup_charge+0x3e2/0x630 mm/memcontrol.c:3707
 __memcg_slab_post_alloc_hook+0x1b1/0x7e0 mm/memcontrol.c:3766
 memcg_slab_post_alloc_hook mm/slub.c:2104 [inline]
 slab_post_alloc_hook mm/slub.c:3962 [inline]
 slab_alloc_node mm/slub.c:4001 [inline]
 kmem_cache_alloc_noprof+0x1de/0x2a0 mm/slub.c:4008
 alloc_empty_file+0x9e/0x1d0 fs/file_table.c:202
 path_openat+0xfb/0x3280 fs/namei.c:3793
 do_filp_open+0x235/0x490 fs/namei.c:3834
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1405
 do_sys_open fs/open.c:1420 [inline]
 __do_sys_openat fs/open.c:1436 [inline]
 __se_sys_openat fs/open.c:1431 [inline]
 __x64_sys_openat+0x247/0x2a0 fs/open.c:1431
 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: 0033:0x7f6611a7baa0
Code: 48 89 44 24 20 75 93 44 89 54 24 0c e8 09 82 02 00 44 8b 54 24 0c 89 da 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 38 44 89 c7 89 44 24 0c e8 5c 82 02 00 8b 44
RSP: 002b:00007f66127cdc00 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000101301 RCX: 00007f6611a7baa0
RDX: 0000000000101301 RSI: 00007f66127cdca0 RDI: 00000000ffffff9c
RBP: 00007f66127cdca0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 000000000000000b R14: 00007f6611bb3f80 R15: 00007ffcf3374bb8
 </TASK>
rcu: rcu_preempt kthread starved for 10502 jiffies! g77941 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:26448 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581
 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2000
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2202
 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
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 PID: 35 Comm: kworker/u8:2 Not tainted 6.10.0-rc3-syzkaller-00022-gcea2a26553ac #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:__orc_find arch/x86/kernel/unwind_orc.c:100 [inline]
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:227 [inline]
RIP: 0010:unwind_next_frame+0x4c9/0x2a00 arch/x86/kernel/unwind_orc.c:494
Code: 6d 32 55 00 48 c7 c3 e8 34 ba 8f 49 bd 00 00 00 00 00 fc ff df e9 96 01 00 00 49 89 df 48 89 5c 24 28 49 89 dd 4c 8b 74 24 38 <4c> 89 e0 4c 29 e8 48 89 c1 48 c1 f9 02 48 c1 e8 3f 48 01 c8 48 83
RSP: 0018:ffffc90000a18268 EFLAGS: 00000246
RAX: ffffffff8140f521 RBX: ffffffff8fbcc158 RCX: ffff88801a6abc00
RDX: 0000000000000103 RSI: ffffffff8135290f RDI: ffffffff8135291b
RBP: ffffffff8135291b R08: ffffffff8140f500 R09: ffffc90000a18430
R10: 0000000000000003 R11: ffffffff8181e050 R12: ffffffff8fbcc154
R13: ffffffff8fbcc154 R14: ffffffff8135290f R15: ffffffff8fbcc154
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4f928e66e4 CR3: 000000000e132000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 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
 unpoison_slab_object mm/kasan/common.c:312 [inline]
 __kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:338
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook mm/slub.c:3941 [inline]
 slab_alloc_node mm/slub.c:4001 [inline]
 kmem_cache_alloc_node_noprof+0x16b/0x320 mm/slub.c:4044
 kmalloc_reserve+0xa8/0x2a0 net/core/skbuff.c:575
 __alloc_skb+0x1f3/0x440 net/core/skbuff.c:666
 skb_copy+0x12b/0x820 net/core/skbuff.c:2124
 mac80211_hwsim_tx_frame_no_nl+0x1068/0x18d0 drivers/net/wireless/virtual/mac80211_hwsim.c:1857
 mac80211_hwsim_tx_frame+0x1cc/0x220 drivers/net/wireless/virtual/mac80211_hwsim.c:2206
 mac80211_hwsim_beacon_tx+0x3bf/0x850 drivers/net/wireless/virtual/mac80211_hwsim.c:2306
 __iterate_interfaces+0x225/0x4c0 net/mac80211/util.c:772
 ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:808
 mac80211_hwsim_beacon+0xd4/0x1f0 drivers/net/wireless/virtual/mac80211_hwsim.c:2336
 __run_hrtimer kernel/time/hrtimer.c:1687 [inline]
 __hrtimer_run_queues+0x59d/0xd50 kernel/time/hrtimer.c:1751
 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1768
 handle_softirqs+0x2c6/0x970 kernel/softirq.c:554
 __do_softirq kernel/softirq.c:588 [inline]
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649
 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:csd_lock_wait kernel/smp.c:311 [inline]
RIP: 0010:smp_call_function_many_cond+0x1865/0x29d0 kernel/smp.c:855
Code: 89 e6 83 e6 01 31 ff e8 99 09 0c 00 41 83 e4 01 49 bc 00 00 00 00 00 fc ff df 75 07 e8 44 05 0c 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 28 05 0c 00 eb e4 44
RSP: 0018:ffffc90000ab7700 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 1ffff11017288c11 RCX: ffff88801a6abc00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90000ab78e0 R08: ffffffff818a21a7 R09: 1ffffffff25f56b0
R10: dffffc0000000000 R11: fffffbfff25f56b1 R12: dffffc0000000000
R13: ffff8880b9446088 R14: ffff8880b953f900 R15: 0000000000000000
 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1023
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:2069 [inline]
 text_poke_bp_batch+0x352/0xb30 arch/x86/kernel/alternative.c:2279
 text_poke_flush arch/x86/kernel/alternative.c:2470 [inline]
 text_poke_finish+0x30/0x50 arch/x86/kernel/alternative.c:2477
 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
 static_key_disable_cpuslocked+0xce/0x1c0 kernel/jump_label.c:235
 static_key_disable+0x1a/0x20 kernel/jump_label.c:243
 toggle_allocation_gate+0x1b8/0x250 mm/kfence/core.c:831
 process_one_work kernel/workqueue.c:3231 [inline]
 process_scheduled_works+0xa2e/0x1830 kernel/workqueue.c:3312
 worker_thread+0x86d/0xd70 kernel/workqueue.c:3393
 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
 </TASK>