rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 1, t=10502 jiffies, g=181049, q=58 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4295164638-4295154136), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10502 jiffies! g181049 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:27872 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0xf15/0x5d00 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6837
 schedule_timeout+0x136/0x2a0 kernel/time/timer.c:2581
 rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:2000
 rcu_gp_kthread+0x271/0x380 kernel/rcu/tree.c:2202
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 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: 27071 Comm: syz-executor.2 Not tainted 6.10.0-rc2-syzkaller-00097-g2df0193e62cf #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:send_signal_locked+0xf/0x800 kernel/signal.c:1217
Code: e8 a6 40 93 09 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 41 57 41 56 41 55 41 89 cd 41 54 <41> 89 fc 55 48 89 d5 53 48 89 f3 48 83 ec 18 e8 5d 51 39 00 48 85
RSP: 0018:ffffc90000007e78 EFLAGS: 00000046
RAX: 0000000080010002 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888058ec3c00 RSI: 0000000000000001 RDI: 0000000000000021
RBP: 0000000000000021 R08: 0000000000000001 R09: fffffbfff284d85a
R10: ffffffff9426c2d7 R11: 0000000000000000 R12: 1ffff92000000fd6
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
FS:  000055557cad8480(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020847fff CR3: 000000007995a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 do_send_sig_info kernel/signal.c:1301 [inline]
 group_send_sig_info+0x2aa/0x300 kernel/signal.c:1451
 do_bpf_send_signal+0x9a/0x1d0 kernel/trace/bpf_trace.c:838
 irq_work_single+0x1bc/0x260 kernel/irq_work.c:221
 irq_work_run_list+0x92/0xc0 kernel/irq_work.c:252
 irq_work_run+0x58/0xd0 kernel/irq_work.c:261
 __sysvec_irq_work+0x8c/0x410 arch/x86/kernel/irq_work.c:22
 instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline]
 sysvec_irq_work+0x90/0xb0 arch/x86/kernel/irq_work.c:17
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:738
RIP: 0010:finish_task_switch.isra.0+0x220/0xcc0 kernel/sched/core.c:5282
Code: a9 0a 00 00 44 8b 0d d7 49 86 0e 45 85 c9 0f 85 c0 01 00 00 48 89 df e8 ae f8 ff ff e8 d9 e6 36 00 fb 65 48 8b 1d e0 89 a5 7e <48> 8d bb f8 15 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1
RSP: 0018:ffffc90003c0f820 EFLAGS: 00000206
RAX: 00000000007ee96f RBX: ffff88805e469e00 RCX: 1ffffffff1fc8479
RDX: 0000000000000000 RSI: ffffffff8b2caf60 RDI: ffffffff8b900180
RBP: ffffc90003c0f868 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8fe46657 R11: 0000000000000000 R12: ffff8880b923f978
R13: ffff888058ec3c00 R14: 0000000000000000 R15: ffff8880b923ec00
 context_switch kernel/sched/core.c:5411 [inline]
 __schedule+0xf1d/0x5d00 kernel/sched/core.c:6745
 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7067
 irqentry_exit+0x36/0x90 kernel/entry/common.c:354
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:preempt_count_add+0xb/0x150 kernel/sched/core.c:5860
Code: 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 c7 c0 e0 ab b4 94 <55> 48 ba 00 00 00 00 00 fc ff df 48 89 c1 53 83 e0 07 89 fb 48 c1
RSP: 0018:ffffc90003c0fae0 EFLAGS: 00000202
RAX: ffffffff94b4abe0 RBX: ffff88805e469e00 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff8b2caf60 RDI: 0000000000000001
RBP: ffffed100bc8d3c0 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff8fe46657 R11: 0000000000000000 R12: ffff88805e469e2c
R13: ffff88805e469e00 R14: ffffffff81815371 R15: dffffc0000000000
 __schedule_loop kernel/sched/core.c:6821 [inline]
 schedule+0xe0/0x350 kernel/sched/core.c:6837
 futex_wait_queue+0xfc/0x1f0 kernel/futex/waitwake.c:370
 __futex_wait+0x291/0x3c0 kernel/futex/waitwake.c:669
 futex_wait+0xe9/0x380 kernel/futex/waitwake.c:697
 do_futex+0x22b/0x350 kernel/futex/syscalls.c:102
 __do_sys_futex kernel/futex/syscalls.c:179 [inline]
 __se_sys_futex kernel/futex/syscalls.c:160 [inline]
 __x64_sys_futex+0x1e1/0x4c0 kernel/futex/syscalls.c:160
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f24be67cf69
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc36003148 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000212069 RCX: 00007f24be67cf69
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f24be7b405c
RBP: 000000000021209b R08: 00007f24bf357080 R09: 0000000c00000000
R10: 00007ffc36003230 R11: 0000000000000246 R12: 00007ffc36003230
R13: 00007f24be7b405c R14: 0000000000000032 R15: 00007ffc36003250
 </TASK>