rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 1, t=10502 jiffies, g=63773, q=403 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10486 (4295060150-4295049664), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10486 jiffies! g63773 f0x2 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:25752 pid:17    tgid:17    ppid:2      task_flags:0x208040 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5377 [inline]
 __schedule+0x190e/0x4c90 kernel/sched/core.c:6764
 __schedule_loop kernel/sched/core.c:6841 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6856
 schedule_timeout+0x15a/0x290 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2024
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2226
 kthread+0x7ab/0x920 kernel/kthread.c:464
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:148
 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 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 16921 Comm: syz.0.2660 Not tainted 6.14.0-rc2-syzkaller-00041-g4dc1d1bec898 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:kasan_check_range+0xc/0x290 mm/kasan/generic.c:188
Code: 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 55 41 57 41 56 41 54 53 <b0> 01 48 85 f6 0f 84 a0 01 00 00 4c 8d 04 37 49 39 f8 0f 82 56 02
RSP: 0018:ffffc90000007bd0 EFLAGS: 00000046
RAX: ea9981c5350e3f00 RBX: 0000000000000010 RCX: ffffffff84ef0a0a
RDX: 0000000000000001 RSI: 0000000000000010 RDI: ffffc90000007c60
RBP: ffffc90000007c60 R08: ffffffff81acb024 R09: ffff8880272fa340
R10: dffffc0000000000 R11: ffffed1004e5f46b R12: ffffc90000007c60
R13: ffff8880272fa340 R14: 0000000000000000 R15: 1ffff92000000f88
FS:  00007fb0773676c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000400000000048 CR3: 000000006a456000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __asan_memset+0x23/0x50 mm/kasan/shadow.c:84
 debug_object_deactivate+0x9a/0x390 lib/debugobjects.c:863
 debug_hrtimer_deactivate kernel/time/hrtimer.c:460 [inline]
 debug_deactivate+0x1b/0x220 kernel/time/hrtimer.c:502
 __run_hrtimer kernel/time/hrtimer.c:1769 [inline]
 __hrtimer_run_queues+0x305/0xd30 kernel/time/hrtimer.c:1865
 hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1927
 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 2e 4b 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> c3 df 94 f5 65 8b 05 d4 38 0b 74 85 c0 74 43 48 c7 04 24 0e 36
RSP: 0018:ffffc9000cc8fba0 EFLAGS: 00000206
RAX: ea9981c5350e3f00 RBX: 1ffff92001991f78 RCX: ffffffff819b223a
RDX: dffffc0000000000 RSI: ffffffff8c0aa680 RDI: 0000000000000001
RBP: ffffc9000cc8fc30 R08: ffffffff942fb847 R09: 1ffffffff285f708
R10: dffffc0000000000 R11: fffffbfff285f709 R12: dffffc0000000000
R13: 1ffff92001991f74 R14: ffffc9000cc8fbc0 R15: 0000000000000246
 clock_was_set+0x686/0x810 kernel/time/hrtimer.c:984
 do_settimeofday64+0x343/0x5e0 kernel/time/timekeeping.c:1381
 __do_sys_clock_settime kernel/time/posix-timers.c:1135 [inline]
 __se_sys_clock_settime kernel/time/posix-timers.c:1119 [inline]
 __x64_sys_clock_settime+0x23c/0x280 kernel/time/posix-timers.c:1119
 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: 0033:0x7fb07658cde9
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:00007fb077367038 EFLAGS: 00000246 ORIG_RAX: 00000000000000e3
RAX: ffffffffffffffda RBX: 00007fb0767a5fa0 RCX: 00007fb07658cde9
RDX: 0000000000000000 RSI: 0000400000000040 RDI: 0100000000000000
RBP: 00007fb07660e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fb0767a5fa0 R15: 00007fff39b05c88
 </TASK>