rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P24844/1:b..l
rcu: 	(detected by 0, t=10503 jiffies, g=125825, q=120616 ncpus=2)
task:syz.6.4684      state:R  running task     stack:25752 pid:24844 tgid:24844 ppid:23420  task_flags:0x40004c flags:0x00080001
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x149b/0x4fd0 kernel/sched/core.c:6863
 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7190
 irqentry_exit+0x5d8/0x660 kernel/entry/common.c:216
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:rcu_lock_release include/linux/rcupdate.h:341 [inline]
RIP: 0010:rcu_read_unlock include/linux/rcupdate.h:897 [inline]
RIP: 0010:is_bpf_text_address+0x288/0x2b0 kernel/bpf/core.c:746
Code: c2 40 3e 71 8b e8 98 15 ce ff 48 85 db 0f 95 c0 48 81 fb 20 02 00 00 40 0f 95 c5 40 20 c5 48 c7 c7 a0 1a f4 8d 48 8b 74 24 08 <e8> 33 fc cd ff e8 ce 8b d7 ff 89 e8 48 83 c4 10 5b 41 5c 41 5d 41
RSP: 0018:ffffc9000218f550 EFLAGS: 00000246
RAX: ffffffff81d02200 RBX: 0000000000000000 RCX: ffff88807d019e80
RDX: 0000000000000000 RSI: ffffffff81d02046 RDI: ffffffff8df41aa0
RBP: 0000000000000000 R08: ffffffff81d02046 R09: ffffffff8df41aa0
R10: ffffc9000218f638 R11: ffffffff81acf3d0 R12: 0000000000001f70
R13: dffffc0000000000 R14: 00007f718178f749 R15: 0000000000000000
 kernel_text_address+0xa5/0xe0 kernel/extable.c:125
 __kernel_text_address+0xd/0x40 kernel/extable.c:79
 unwind_get_return_address+0x4d/0x90 arch/x86/kernel/unwind_orc.c:385
 arch_stack_walk+0xfc/0x150 arch/x86/kernel/stacktrace.c:26
 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 kasan_save_free_info+0x46/0x50 mm/kasan/generic.c:584
 poison_slab_object mm/kasan/common.c:253 [inline]
 __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:285
 kasan_slab_free include/linux/kasan.h:235 [inline]
 slab_free_hook mm/slub.c:2540 [inline]
 slab_free mm/slub.c:6670 [inline]
 kfree+0x1c0/0x660 mm/slub.c:6878
 ref_tracker_free+0x4dd/0x7d0 lib/ref_tracker.c:340
 __netns_tracker_free include/net/net_namespace.h:379 [inline]
 put_net_track include/net/net_namespace.h:394 [inline]
 __sk_destruct+0x3c7/0x880 net/core/sock.c:2379
 sock_put include/net/sock.h:1998 [inline]
 rds_release+0x2b2/0x300 net/rds/af_rds.c:91
 __sock_release net/socket.c:662 [inline]
 sock_close+0xc3/0x240 net/socket.c:1455
 __fput+0x44c/0xa70 fs/file_table.c:468
 task_work_run+0x1d4/0x260 kernel/task_work.c:233
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x694/0x22f0 kernel/exit.c:971
 do_group_exit+0x21c/0x2d0 kernel/exit.c:1112
 __do_sys_exit_group kernel/exit.c:1123 [inline]
 __se_sys_exit_group kernel/exit.c:1121 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1121
 x64_sys_call+0x2210/0x2210 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f718178f749
RSP: 002b:00007ffeb767b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f718178f749
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffeb767b28c R08: 0000000bb767b31f R09: 00000000000927c0
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000004c
R13: 00000000000927c0 R14: 000000000012c2c4 R15: 00007ffeb767b2e0
 </TASK>