rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P11698/1:b..l rcu: (detected by 1, t=10502 jiffies, g=39061, q=2734 ncpus=2) task:syz.1.1911 state:R running task stack:24616 pid:11698 ppid:5772 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5381 [inline] __schedule+0x1553/0x45a0 kernel/sched/core.c:6700 preempt_schedule_irq+0xbf/0x150 kernel/sched/core.c:7010 irqentry_exit+0x67/0x70 kernel/entry/common.c:438 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687 RIP: 0010:should_resched arch/x86/include/asm/preempt.h:104 [inline] RIP: 0010:__local_bh_enable_ip+0x142/0x1c0 kernel/softirq.c:413 Code: 8a e8 92 0e 32 09 65 66 8b 05 ca 51 b1 7e 66 85 c0 75 54 bf 01 00 00 00 e8 cb 1a 0a 00 e8 46 1f 3b 00 fb 65 8b 05 96 51 b1 7e <85> c0 75 05 e8 15 39 ae ff 48 c7 04 24 0e 36 e0 45 4b c7 04 37 00 RSP: 0018:ffffc9001a38f7e0 EFLAGS: 00000282 RAX: 0000000000000000 RBX: 0000000000000200 RCX: 68d94d7eac440800 RDX: dffffc0000000000 RSI: ffffffff8acac900 RDI: ffffffff8b1c81e0 RBP: ffffc9001a38f870 R08: ffffffff8e8addaf R09: 1ffffffff1d15bb5 R10: dffffc0000000000 R11: fffffbfff1d15bb6 R12: ffffffff88b4bdc6 R13: dffffc0000000000 R14: dffffc0000000000 R15: 1ffff92003471efc local_bh_enable include/linux/bottom_half.h:33 [inline] xdp_test_run_batch net/bpf/test_run.c:361 [inline] bpf_test_run_xdp_live+0x18bc/0x1b20 net/bpf/test_run.c:383 bpf_prog_test_run_xdp+0x7ca/0x10e0 net/bpf/test_run.c:1281 bpf_prog_test_run+0x321/0x390 kernel/bpf/syscall.c:4132 __sys_bpf+0x49d/0x890 kernel/bpf/syscall.c:5494 __do_sys_bpf kernel/bpf/syscall.c:5580 [inline] __se_sys_bpf kernel/bpf/syscall.c:5578 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5578 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f7a7fd9bf79 RSP: 002b:00007f7a80bce028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f7a80015fa0 RCX: 00007f7a7fd9bf79 RDX: 0000000000000048 RSI: 0000200000000600 RDI: 000000000000000a RBP: 00007f7a7fe327e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f7a80016038 R14: 00007f7a80015fa0 R15: 00007ffd25d6abb8