rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 0, t=10503 jiffies, g=29969, q=195 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10501 (4294983583-4294973082), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10501 jiffies! g29969 f0x2 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:25856 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x18af/0x4bd0 kernel/sched/core.c:6690
 __schedule_loop kernel/sched/core.c:6767 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6782
 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2615
 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
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 9104 Comm: syz.8.616 Not tainted 6.12.0-rc5-syzkaller-00005-ge42b1a9a2557 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__hrtimer_run_queues+0x294/0xd50 kernel/time/hrtimer.c:1752
Code: 8d 5e 20 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 1d 64 7c 00 48 8b 1b 4c 89 ff 48 89 de e8 af a9 12 00 49 39 df <0f> 8c d5 09 00 00 48 8b 84 24 a8 00 00 00 42 0f b6 04 28 84 c0 0f
RSP: 0018:ffffc90000a18d60 EFLAGS: 00000006
RAX: 0000000000010000 RBX: 180ac37734000000 RCX: ffff888071389e00
RDX: 0000000000010000 RSI: 180ac37734000000 RDI: 19dfd874568f3181
RBP: ffffc90000a18ea8 R08: ffffffff81823141 R09: ffff88802e30a340
R10: dffffc0000000000 R11: ffffed1005c6146b R12: 1ffff110170e595b
R13: dffffc0000000000 R14: ffff88802e30a340 R15: 19dfd874568f3181
FS:  00007f8d82a0b6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2dcd83 CR3: 000000004e84e000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1817
 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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 0e f0 2d f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 93 88 92 f5 65 8b 05 64 32 33 74 85 c0 74 43 48 c7 04 24 0e 36
RSP: 0018:ffffc90004f1f920 EFLAGS: 00000206
RAX: a214bd81a0786700 RBX: 1ffff920009e3f28 RCX: ffffffff8170be1a
RDX: dffffc0000000000 RSI: ffffffff8c0acac0 RDI: 0000000000000001
RBP: ffffc90004f1f9b0 R08: ffffffff942ca807 R09: 1ffffffff2859500
R10: dffffc0000000000 R11: fffffbfff2859501 R12: dffffc0000000000
R13: 1ffff920009e3f24 R14: ffffc90004f1f940 R15: 0000000000000246
 clock_was_set+0x686/0x810 kernel/time/hrtimer.c:968
 timekeeping_inject_offset+0x4e8/0x580 kernel/time/timekeeping.c:1524
 do_adjtimex+0x51d/0xae0 kernel/time/timekeeping.c:2575
 do_clock_adjtime kernel/time/posix-timers.c:1174 [inline]
 __do_sys_clock_adjtime kernel/time/posix-timers.c:1186 [inline]
 __se_sys_clock_adjtime kernel/time/posix-timers.c:1177 [inline]
 __x64_sys_clock_adjtime+0x1e3/0x290 kernel/time/posix-timers.c:1177
 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: 0033:0x7f8d81b7e719
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:00007f8d82a0b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000131
RAX: ffffffffffffffda RBX: 00007f8d81d35f80 RCX: 00007f8d81b7e719
RDX: 0000000000000000 RSI: 0000000020000480 RDI: 0000000000000000
RBP: 00007f8d81bf132e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f8d81d35f80 R15: 00007fffb0bcdf68
 </TASK>