rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P16357/1:b..l
rcu: 	(detected by 0, t=10502 jiffies, g=119117, q=252 ncpus=2)
task:syz-executor    state:R  running task     stack:20992 pid:16357 tgid:16357 ppid:16331  flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5239 [inline]
 __schedule+0x1800/0x4a60 kernel/sched/core.c:6603
 preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6782
 preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6806
 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
 __raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline]
 _raw_spin_unlock+0x3e/0x50 kernel/locking/spinlock.c:186
 spin_unlock include/linux/spinlock.h:391 [inline]
 copy_pte_range mm/memory.c:1191 [inline]
 copy_pmd_range+0x7ad5/0x8500 mm/memory.c:1252
 copy_pud_range mm/memory.c:1289 [inline]
 copy_p4d_range mm/memory.c:1313 [inline]
 copy_page_range+0x99f/0xe90 mm/memory.c:1411
 dup_mmap kernel/fork.c:750 [inline]
 dup_mm kernel/fork.c:1674 [inline]
 copy_mm+0x11ea/0x1f30 kernel/fork.c:1723
 copy_process+0x186b/0x3d90 kernel/fork.c:2376
 kernel_clone+0x226/0x8f0 kernel/fork.c:2788
 __do_sys_clone kernel/fork.c:2931 [inline]
 __se_sys_clone kernel/fork.c:2915 [inline]
 __x64_sys_clone+0x258/0x2a0 kernel/fork.c:2915
 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: 0033:0x7fa0a876c453
RSP: 002b:00007ffe0434b578 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa0a876c453
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 00005555937d17d0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g119117 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=67317
rcu: rcu_preempt kthread starved for 10502 jiffies! g119117 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->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:I stack:24912 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5239 [inline]
 __schedule+0x1800/0x4a60 kernel/sched/core.c:6603
 __schedule_loop kernel/sched/core.c:6680 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6695
 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581
 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2034
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2236
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:144
 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: 17921 Comm: syz.1.3314 Not tainted 6.10.0-next-20240718-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:__lock_acquire+0x39b/0x2050 kernel/locking/lockdep.c:5135
Code: c1 e8 03 80 3c 30 00 74 1e 48 89 df e8 ae 8e 8b 00 48 8b 6c 24 08 45 89 e8 4c 8b 0c 24 48 be 00 00 00 00 00 fc ff df 4c 89 3b <49> 8d 5c e9 18 48 89 d8 48 c1 e8 03 48 89 44 24 78 80 3c 30 00 4c
RSP: 0018:ffffc90000a18a30 EFLAGS: 00000046
RAX: 1ffff1100436f15e RBX: ffff888021b78af0 RCX: ffffffff94807903
RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 000000000000108a
RBP: 0000000000000000 R08: 000000000000108a R09: ffff888021b78ae0
R10: dffffc0000000000 R11: fffffbfff1f5f996 R12: ffffffff899b7f7b
R13: 000000000000108a R14: 0000000000000000 R15: ffff888077895300
FS:  00007f22cccfe6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ce1aff8 CR3: 000000007e2e6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5822
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 advance_sched+0xab/0xca0 net/sched/sch_taprio.c:924
 __run_hrtimer kernel/time/hrtimer.c:1689 [inline]
 __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1815
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x110/0x3f0 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:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:202
Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 4a 5e d1 f5 48 89 df e8 c2 a1 d2 f5 e8 ed 12 fd f5 fb bf 01 00 00 00 <e8> 22 69 c4 f5 65 8b 05 63 5e 65 74 85 c0 74 06 5b c3 cc cc cc cc
RSP: 0018:ffffc900094afd00 EFLAGS: 00000286
RAX: e26ca45a1aeff200 RBX: ffff88806ac42488 RCX: ffffffff94807903
RDX: dffffc0000000000 RSI: ffffffff8bcad5c0 RDI: 0000000000000001
RBP: 0000000000000000 R08: ffffffff8fafccaf R09: 1ffffffff1f5f995
R10: dffffc0000000000 R11: fffffbfff1f5f996 R12: ffff88806ac424e6
R13: 0000000000000001 R14: 1bc16d674ec80000 R15: 0000000000000000
 spin_unlock_irq include/linux/spinlock.h:401 [inline]
 do_timerfd_settime+0xd33/0x1020 fs/timerfd.c:537
 __do_sys_timerfd_settime fs/timerfd.c:583 [inline]
 __se_sys_timerfd_settime fs/timerfd.c:574 [inline]
 __x64_sys_timerfd_settime+0x16f/0x220 fs/timerfd.c:574
 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: 0033:0x7f22cbf75b59
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:00007f22cccfe048 EFLAGS: 00000246 ORIG_RAX: 000000000000011e
RAX: ffffffffffffffda RBX: 00007f22cc103f60 RCX: 00007f22cbf75b59
RDX: 0000000020000300 RSI: 0000000000000000 RDI: 0000000000000006
RBP: 00007f22cbfe4e5d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f22cc103f60 R15: 00007ffdd819f0a8
 </TASK>