rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 1, t=10502 jiffies, g=230017, q=646 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4295117022-4295106520), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10502 jiffies! g230017 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:26176 pid:16    tgid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5409 [inline]
 __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746
 __schedule_loop kernel/sched/core.c:6823 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6838
 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2582
 rcu_gp_fqs_loop+0x2df/0x1370 kernel/rcu/tree.c:1663
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:1862
 kthread+0x2f2/0x390 kernel/kthread.c:388
 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 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 1815 Comm: syz-executor.0 Not tainted 6.9.0-rc6-syzkaller-00113-g49a73b1652c5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:rcu_read_lock include/linux/rcupdate.h:782 [inline]
RIP: 0010:advance_sched+0xa3d/0xca0 net/sched/sch_taprio.c:985
Code: 31 c0 45 31 c9 53 e8 82 1f e8 f7 48 83 c4 08 e8 69 f7 f5 01 89 c5 31 ff 89 c6 e8 be a7 0b f8 85 ed 74 10 e8 45 f6 f1 f7 84 c0 <74> 0e e8 6c a3 0b f8 eb 56 e8 65 a3 0b f8 eb 4f e8 3e f7 f5 01 89
RSP: 0018:ffffc90000007c90 EFLAGS: 00000002
RAX: 0000000000000001 RBX: ffffffff898a6d12 RCX: ffff88802ed23c00
RDX: ffff88802ed23c00 RSI: ffffffff8c1f7ec0 RDI: ffffffff8c1f7e80
RBP: 0000000000000001 R08: ffffffff898a6d42 R09: 1ffffffff25e6aa0
R10: dffffc0000000000 R11: fffffbfff25e6aa1 R12: dffffc0000000000
R13: 1da448f330000000 R14: ffff888055245400 R15: ffff88806dc25360
FS:  000055556019e480(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3342a000 CR3: 000000007d884000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __run_hrtimer kernel/time/hrtimer.c:1692 [inline]
 __hrtimer_run_queues+0x5a7/0xd50 kernel/time/hrtimer.c:1756
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1818
 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:stack_depot_save_flags+0x2c/0x830
Code: 1e fa 55 41 57 41 56 41 55 41 54 53 48 83 ec 28 83 f9 04 0f 83 57 01 00 00 89 cb 89 d5 48 89 7c 24 08 e8 e7 34 99 fc 41 89 c1 <31> c0 45 85 c9 0f 84 c8 06 00 00 80 3d c2 20 bb 0f 00 0f 85 bb 06
RSP: 0018:ffffc90009cff7c0 EFLAGS: 00000246
RAX: 000000000000000b RBX: 0000000000000001 RCX: ffffffff8b8b6670
RDX: 0000000000000000 RSI: 000000000000000b RDI: ffffc90009cff820
RBP: 0000000000000000 R08: ffffffff8137d242 R09: 000000000000000b
R10: dffffc0000000000 R11: fffffbfff1f51f46 R12: ffffffff8991621a
R13: 1ffff1100d2dfea0 R14: 0000000000000000 R15: ffffc90009cff820
 kasan_save_stack mm/kasan/common.c:48 [inline]
 kasan_save_track+0x51/0x80 mm/kasan/common.c:68
 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579
 poison_slab_object+0xa6/0xe0 mm/kasan/common.c:240
 __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256
 kasan_slab_free include/linux/kasan.h:184 [inline]
 slab_free_hook mm/slub.c:2106 [inline]
 slab_free mm/slub.c:4280 [inline]
 kmem_cache_free+0x10b/0x2c0 mm/slub.c:4344
 netlink_recvmsg+0x60a/0x11d0 net/netlink/af_netlink.c:1983
 sock_recvmsg_nosec net/socket.c:1046 [inline]
 sock_recvmsg+0x231/0x280 net/socket.c:1068
 __sys_recvfrom+0x256/0x3e0 net/socket.c:2242
 __do_sys_recvfrom net/socket.c:2260 [inline]
 __se_sys_recvfrom net/socket.c:2256 [inline]
 __x64_sys_recvfrom+0xde/0x100 net/socket.c:2256
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f793307fad4
Code: 89 4c 24 1c e8 dd 51 02 00 44 8b 54 24 1c 8b 3c 24 45 31 c9 89 c5 48 8b 54 24 10 48 8b 74 24 08 45 31 c0 b8 2d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 04 24 e8 29 52 02 00 48 8b 04
RSP: 002b:00007fff9a8b7860 EFLAGS: 00000246 ORIG_RAX: 000000000000002d
RAX: ffffffffffffffda RBX: 00007f7933cd4620 RCX: 00007f793307fad4
RDX: 0000000000001000 RSI: 00007f7933cd4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f7933cd4670 R15: 0000000000000000
 </TASK>