rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P22895/1:b..l
rcu: (detected by 1, t=10502 jiffies, g=150689, q=274 ncpus=2)
task:syz.3.4820 state:R running task stack:23800 pid:22895 tgid:22894 ppid:16993 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5249 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6597
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:6919
irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:should_resched arch/x86/include/asm/preempt.h:103 [inline]
RIP: 0010:__local_bh_enable_ip+0x170/0x200 kernel/softirq.c:389
Code: 8b e8 c4 c8 36 0a 65 66 8b 05 24 e6 ac 7e 66 85 c0 75 5d bf 01 00 00 00 e8 fd a1 0b 00 e8 b8 31 44 00 fb 65 8b 05 e8 e5 ac 7e <85> c0 75 05 e8 f7 c6 a9 ff 48 c7 44 24 20 0e 36 e0 45 49 c7 04 1c
RSP: 0018:ffffc9000b4f78e0 EFLAGS: 00000282
RAX: 0000000080000000 RBX: 1ffff9200169ef20 RCX: ffffffff947dc803
RDX: dffffc0000000000 RSI: ffffffff8bcac820 RDI: ffffffff8c2074e0
RBP: ffffc9000b4f7990 R08: ffffffff8faeec6f R09: 1ffffffff1f5dd8d
R10: dffffc0000000000 R11: fffffbfff1f5dd8e R12: dffffc0000000000
R13: 1ffff9200169ef24 R14: ffffc9000b4f7920 R15: 0000000000000200
local_bh_enable include/linux/bottom_half.h:33 [inline]
bpf_test_run+0x433/0x910 net/bpf/test_run.c:426
bpf_prog_test_run_skb+0xc97/0x1820 net/bpf/test_run.c:1084
bpf_prog_test_run+0x33a/0x3b0 kernel/bpf/syscall.c:4313
__sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5728
__do_sys_bpf kernel/bpf/syscall.c:5817 [inline]
__se_sys_bpf kernel/bpf/syscall.c:5815 [inline]
__x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5815
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: 0033:0x7fbc27175d39
RSP: 002b:00007fbc2800f048 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fbc27303fa0 RCX: 00007fbc27175d39
RDX: 0000000000000050 RSI: 0000000020000900 RDI: 000000000000000a
RBP: 00007fbc271f6766 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fbc27303fa0 R15: 00007ffde6a943f8
rcu: rcu_preempt kthread starved for 10347 jiffies! g150689 f0x0 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:25200 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5249 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6597
__schedule_loop kernel/sched/core.c:6674 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6689
schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581
rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2020
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2222
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
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: 0 Comm: swapper/0 Not tainted 6.10.0-rc5-next-20240624-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:get_current arch/x86/include/asm/current.h:49 [inline]
RIP: 0010:write_comp_data kernel/kcov.c:235 [inline]
RIP: 0010:__sanitizer_cov_trace_const_cmp1+0x8/0x90 kernel/kcov.c:290
Code: cc cc cc cc 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 4c 8b 04 24 <65> 48 8b 14 25 c0 d5 03 00 65 8b 05 f0 5f 70 7e a9 00 01 ff 00 74
RSP: 0018:ffffc90000007d58 EFLAGS: 00000047
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff8180bfc0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: ffffc90000007ea8 R08: ffffffff8180bfdd R09: 1ffffffff1f5dd8d
R10: dffffc0000000000 R11: fffffbfff1f5dd8e R12: 1ffff1101728592b
R13: 0000000000000000 R14: ffff8880237d7418 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb8effdbd5f CR3: 000000007d064000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
variable_test_bit arch/x86/include/asm/bitops.h:227 [inline]
arch_test_bit arch/x86/include/asm/bitops.h:239 [inline]
_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:142 [inline]
cpumask_test_cpu include/linux/cpumask.h:559 [inline]
cpu_online include/linux/cpumask.h:1099 [inline]
trace_hrtimer_expire_exit include/trace/events/timer.h:306 [inline]
__run_hrtimer kernel/time/hrtimer.c:1690 [inline]
__hrtimer_run_queues+0x61d/0xd50 kernel/time/hrtimer.c:1751
hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1813
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
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:92 [inline]
RIP: 0010:acpi_safe_halt+0x21/0x30 drivers/acpi/processor_idle.c:113
Code: 90 90 90 90 90 90 90 90 90 65 48 8b 04 25 c0 d5 03 00 48 f7 00 08 00 00 00 75 10 66 90 0f 00 2d c5 3f 9c 00 f3 0f 1e fa fb f4 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90
RSP: 0018:ffffffff8e007ca8 EFLAGS: 00000246
RAX: ffffffff8e094680 RBX: ffff888019e85864 RCX: 0000000001381c71
RDX: 0000000000000001 RSI: ffff888019e85800 RDI: ffff888019e85864
RBP: 000000000003a678 R08: ffff8880b9437ccb R09: 1ffff11017286f99
R10: dffffc0000000000 R11: ffffffff8b8dcc10 R12: ffff88801bf4b000
R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8ead8b80
acpi_idle_enter+0xe4/0x140 drivers/acpi/processor_idle.c:707
cpuidle_enter_state+0x112/0x480 drivers/cpuidle/cpuidle.c:267
cpuidle_enter+0x5d/0xa0 drivers/cpuidle/cpuidle.c:388
call_cpuidle kernel/sched/idle.c:155 [inline]
cpuidle_idle_call kernel/sched/idle.c:230 [inline]
do_idle+0x375/0x5d0 kernel/sched/idle.c:326
cpu_startup_entry+0x42/0x60 kernel/sched/idle.c:424
rest_init+0x2dc/0x300 init/main.c:747
start_kernel+0x47a/0x500 init/main.c:1103
x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:507
x86_64_start_kernel+0x9f/0xa0 arch/x86/kernel/head64.c:488
common_startup_64+0x13e/0x147
sched: RT throttling activated