rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (1 GPs behind) idle=836c/1/0x4000000000000000 softirq=43251/43253 fqs=7
rcu: 	(detected by 0, t=10502 jiffies, g=42053, q=160 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 12231 Comm: syz.4.1735 Not tainted 6.13.0-rc4-syzkaller-00004-gf07044dd0df0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:div64_u64 include/linux/math64.h:69 [inline]
RIP: 0010:taprio_set_budgets+0x1e1/0x370 net/sched/sch_taprio.c:669
Code: 79 3d f8 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 87 76 3d f8 48 89 e8 31 d2 48 f7 33 <48> 89 c5 bf 11 00 00 00 4c 89 fe e8 af 9e d9 f7 49 83 ff 10 0f 87
RSP: 0018:ffffc90000a18c10 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffff8880223592e0 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8880223592e0
RBP: 0000000000000000 R08: ffff8880223592e7 R09: 1ffff1100446b25c
R10: dffffc0000000000 R11: ffffed100446b25d R12: 0000000000000000
R13: ffff8880345d4c00 R14: ffff8880345d4c00 R15: 0000000000000000
FS:  00007f2511ceb6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2511ceaf98 CR3: 000000004c5fa000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 advance_sched+0x98d/0xca0 net/sched/sch_taprio.c:977
 __run_hrtimer kernel/time/hrtimer.c:1739 [inline]
 __hrtimer_run_queues+0x59b/0xd30 kernel/time/hrtimer.c:1803
 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+0x110/0x420 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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:syscall_enter_from_user_mode_work include/linux/entry-common.h:168 [inline]
RIP: 0010:syscall_enter_from_user_mode include/linux/entry-common.h:199 [inline]
RIP: 0010:do_syscall_64+0xbc/0x230 arch/x86/entry/common.c:79
Code: ed 00 00 00 48 8b 7d 08 e8 31 65 00 00 0f 1f 44 00 00 0f 1f 44 00 00 90 e8 11 c7 e6 f5 90 90 e8 ba c6 e6 f5 fb 49 8b 54 24 08 <f6> c2 3f 74 0e 4c 89 f7 4c 89 fe e8 b4 cc c8 f5 49 89 c7 90 90 41
RSP: 0018:ffffc90002fe7f10 EFLAGS: 00000282
RAX: 92580212f93e7000 RBX: ffffc90002fe7f10 RCX: ffffffff81a72cfc
RDX: 0000000000000000 RSI: ffffffff8c5edcc0 RDI: ffffffff8bc06746
RBP: ffffc90002fe7f48 R08: ffffffff90185277 R09: 1ffffffff2030a4e
R10: dffffc0000000000 R11: fffffbfff2030a4f R12: ffff88803581bc00
R13: 0000000000000000 R14: ffffc90002fe7f58 R15: 00000000000000e3
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2510f85d29
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:00007f2511ceb038 EFLAGS: 00000246 ORIG_RAX: 00000000000000e3
RAX: ffffffffffffffda RBX: 00007f2511176160 RCX: 00007f2510f85d29
RDX: 0000000000000000 RSI: 0000000020003c80 RDI: 0000000000000000
RBP: 00007f2511001aa8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f2511176160 R15: 00007ffceda6a478
 </TASK>
rcu: rcu_preempt kthread starved for 10488 jiffies! g42053 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
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:26264 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x17fb/0x4be0 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+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/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: 0 UID: 0 PID: 12233 Comm: syz.0.1726 Not tainted 6.13.0-rc4-syzkaller-00004-gf07044dd0df0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline]
RIP: 0010:smp_call_function_many_cond+0x19f3/0x2c60 kernel/smp.c:884
Code: 45 8b 65 00 44 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
RSP: 0018:ffffc90002fa7980 EFLAGS: 00000246
RAX: ffffffff81938efb RBX: 1ffff110170e88b9 RCX: 0000000000080000
RDX: ffffc9000d2ce000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc90002fa7b80 R08: ffffffff81938eca R09: 1ffffffff2030a4e
R10: dffffc0000000000 R11: fffffbfff2030a4f R12: dffffc0000000000
R13: ffff8880b87445c8 R14: ffff8880b863f940 R15: 0000000000000001
FS:  00007fab993f66c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2add96 CR3: 0000000029b7a000 CR4: 00000000003526f0
DR0: 00000000000000fa DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 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_slow_inc_cpuslocked+0x80/0xf0 kernel/jump_label.c:168
 static_key_slow_inc+0x1a/0x30 kernel/jump_label.c:191
 io_uring_create+0xf2/0xc00 io_uring/io_uring.c:3646
 io_uring_setup io_uring/io_uring.c:3811 [inline]
 __do_sys_io_uring_setup io_uring/io_uring.c:3838 [inline]
 __se_sys_io_uring_setup+0x2ba/0x330 io_uring/io_uring.c:3832
 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: 0033:0x7fab9b585d29
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:00007fab993f5fc8 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9
RAX: ffffffffffffffda RBX: 00007fab9b776080 RCX: 00007fab9b585d29
RDX: 0000000020000080 RSI: 00000000200000c0 RDI: 00000000000000d3
RBP: 00000000200000c0 R08: 0000000000000000 R09: 0000000020000080
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000020000040 R14: 00000000000000d3 R15: 0000000020000080
 </TASK>