FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
======================================================
WARNING: possible circular locking dependency detected
syzkaller #0 Not tainted
------------------------------------------------------
syz.2.897/8913 is trying to acquire lock:
ffffffff8e3359a0 (console_owner){-.-.}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:336 [inline]
ffffffff8e3359a0 (console_owner){-.-.}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:409 [inline]
ffffffff8e3359a0 (console_owner){-.-.}-{0:0}, at: console_srcu_read_lock kernel/printk/printk.c:289 [inline]
ffffffff8e3359a0 (console_owner){-.-.}-{0:0}, at: console_flush_one_record kernel/printk/printk.c:3192 [inline]
ffffffff8e3359a0 (console_owner){-.-.}-{0:0}, at: console_flush_all+0x123/0xb20 kernel/printk/printk.c:3289

but task is already holding lock:
ffff8880b873a918 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:639

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #5 (&rq->__lock){-.-.}-{2:2}:
       _raw_spin_lock_nested+0x32/0x50 kernel/locking/spinlock.c:378
       raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:639
       raw_spin_rq_lock kernel/sched/sched.h:1558 [inline]
       task_rq_lock+0xbc/0x460 kernel/sched/core.c:739
       cgroup_move_task+0x9a/0x2b0 kernel/sched/psi.c:1170
       css_set_move_task+0x658/0x9e0 kernel/cgroup/cgroup.c:951
       cgroup_post_fork+0x209/0x7d0 kernel/cgroup/cgroup.c:6913
       copy_process+0x365f/0x3980 kernel/fork.c:2465
       kernel_clone+0x248/0x870 kernel/fork.c:2651
       user_mode_thread+0x110/0x180 kernel/fork.c:2727
       rest_init+0x23/0x300 init/main.c:722
       start_kernel+0x380/0x3d0 init/main.c:1206
       x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310
       x86_64_start_kernel+0x143/0x1c0 arch/x86/kernel/head64.c:291
       common_startup_64+0x13e/0x147

-> #4 (&p->pi_lock){-.-.}-{2:2}:
       __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
       _raw_spin_lock_irqsave+0x40/0x60 kernel/locking/spinlock.c:162
       class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:557 [inline]
       try_to_wake_up+0x66/0x12a0 kernel/sched/core.c:4106
       create_worker+0x5c6/0x7e0 kernel/workqueue.c:2828
       workqueue_init+0x3ea/0x690 kernel/workqueue.c:7958
       kernel_init_freeable+0x274/0x3d0 init/main.c:1673
       kernel_init+0x1d/0x1d0 init/main.c:1578
       ret_from_fork+0x51b/0xa40 arch/x86/kernel/process.c:158
       ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246

-> #3 (&pool->lock){-.-.}-{2:2}:
       __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
       _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
       __queue_work+0x7ea/0xf90 kernel/workqueue.c:-1
       queue_work_on+0x106/0x1c0 kernel/workqueue.c:2386
       queue_work include/linux/workqueue.h:669 [inline]
       rpm_suspend+0xe85/0x1700 drivers/base/power/runtime.c:688
       __pm_runtime_idle+0x12f/0x1a0 drivers/base/power/runtime.c:1129
       pm_runtime_put include/linux/pm_runtime.h:563 [inline]
       __device_attach+0x34f/0x450 drivers/base/dd.c:1049
       device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1086
       bus_probe_device+0x12a/0x220 drivers/base/bus.c:574
       device_add+0x7b6/0xb70 drivers/base/core.c:3689
       serial_base_port_add+0x18f/0x260 drivers/tty/serial/serial_base_bus.c:186
       serial_core_port_device_add drivers/tty/serial/serial_core.c:3252 [inline]
       serial_core_register_port+0x375/0x2840 drivers/tty/serial/serial_core.c:3291
       serial8250_register_8250_port+0x1658/0x1fd0 drivers/tty/serial/8250/8250_core.c:822
       serial_pnp_probe+0x568/0x7f0 drivers/tty/serial/8250/8250_pnp.c:480
       pnp_device_probe+0x30b/0x4c0 drivers/pnp/driver.c:111
       call_driver_probe drivers/base/dd.c:-1 [inline]
       really_probe+0x26d/0xac0 drivers/base/dd.c:659
       __driver_probe_device+0x18c/0x320 drivers/base/dd.c:801
       driver_probe_device+0x4f/0x240 drivers/base/dd.c:831
       __driver_attach+0x349/0x640 drivers/base/dd.c:1225
       bus_for_each_dev+0x23b/0x2c0 drivers/base/bus.c:383
       bus_add_driver+0x345/0x670 drivers/base/bus.c:715
       driver_register+0x23a/0x320 drivers/base/driver.c:249
       serial8250_init+0x8f/0x160 drivers/tty/serial/8250/8250_platform.c:317
       do_one_initcall+0x250/0x840 init/main.c:1378
       do_initcall_level+0x104/0x190 init/main.c:1440
       do_initcalls+0x59/0xa0 init/main.c:1456
       kernel_init_freeable+0x2a6/0x3d0 init/main.c:1688
       kernel_init+0x1d/0x1d0 init/main.c:1578
       ret_from_fork+0x51b/0xa40 arch/x86/kernel/process.c:158
       ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246

-> #2 (&dev->power.lock){-.-.}-{3:3}:
       __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
       _raw_spin_lock_irqsave+0x40/0x60 kernel/locking/spinlock.c:162
       __pm_runtime_resume+0x10f/0x180 drivers/base/power/runtime.c:1196
       pm_runtime_get include/linux/pm_runtime.h:494 [inline]
       __uart_start+0x171/0x460 drivers/tty/serial/serial_core.c:149
       uart_write+0xdc/0x130 drivers/tty/serial/serial_core.c:633
       process_output_block drivers/tty/n_tty.c:557 [inline]
       n_tty_write+0xd84/0x12a0 drivers/tty/n_tty.c:2366
       iterate_tty_write drivers/tty/tty_io.c:1006 [inline]
       file_tty_write+0x559/0xa20 drivers/tty/tty_io.c:1081
       new_sync_write fs/read_write.c:593 [inline]
       vfs_write+0x61d/0xb90 fs/read_write.c:686
       ksys_write+0x150/0x270 fs/read_write.c:738
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

-> #1 (&port_lock_key){-.-.}-{3:3}:
       __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
       _raw_spin_lock_irqsave+0x40/0x60 kernel/locking/spinlock.c:162
       uart_port_lock_irqsave include/linux/serial_core.h:717 [inline]
       serial8250_console_write+0x150/0x1ba0 drivers/tty/serial/8250/8250_port.c:3301
       console_emit_next_record kernel/printk/printk.c:3129 [inline]
       console_flush_one_record kernel/printk/printk.c:3215 [inline]
       console_flush_all+0x718/0xb20 kernel/printk/printk.c:3289
       __console_flush_and_unlock kernel/printk/printk.c:3319 [inline]
       console_unlock+0xd1/0x1c0 kernel/printk/printk.c:3359
       vprintk_emit+0x485/0x560 kernel/printk/printk.c:2426
       _printk+0xdd/0x130 kernel/printk/printk.c:2451
       register_console+0xbad/0xf80 kernel/printk/printk.c:4170
       univ8250_console_init+0x3a/0x70 drivers/tty/serial/8250/8250_core.c:515
       console_init+0xfc/0x3e0 kernel/printk/printk.c:4369
       start_kernel+0x226/0x3d0 init/main.c:1143
       x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310
       x86_64_start_kernel+0x143/0x1c0 arch/x86/kernel/head64.c:291
       common_startup_64+0x13e/0x147

-> #0 (console_owner){-.-.}-{0:0}:
       check_prev_add kernel/locking/lockdep.c:3165 [inline]
       check_prevs_add kernel/locking/lockdep.c:3284 [inline]
       validate_chain kernel/locking/lockdep.c:3908 [inline]
       __lock_acquire+0x15a5/0x2cf0 kernel/locking/lockdep.c:5237
       lock_acquire+0x106/0x330 kernel/locking/lockdep.c:5868
       console_lock_spinning_enable kernel/printk/printk.c:1900 [inline]
       console_emit_next_record kernel/printk/printk.c:3123 [inline]
       console_flush_one_record kernel/printk/printk.c:3215 [inline]
       console_flush_all+0x6c1/0xb20 kernel/printk/printk.c:3289
       __console_flush_and_unlock kernel/printk/printk.c:3319 [inline]
       console_unlock+0xd1/0x1c0 kernel/printk/printk.c:3359
       vprintk_emit+0x485/0x560 kernel/printk/printk.c:2426
       _printk+0xdd/0x130 kernel/printk/printk.c:2451
       fail_dump lib/fault-inject.c:66 [inline]
       should_fail_ex+0x3f3/0x560 lib/fault-inject.c:174
       strncpy_from_user+0x36/0x2b0 lib/strncpy_from_user.c:118
       strncpy_from_user_nofault+0x71/0x150 mm/maccess.c:192
       bpf_probe_read_user_str_common kernel/trace/bpf_trace.c:214 [inline]
       ____bpf_probe_read_user_str kernel/trace/bpf_trace.c:223 [inline]
       bpf_probe_read_user_str+0x2a/0x70 kernel/trace/bpf_trace.c:220
       bpf_prog_c762caf419d1c004+0x3e/0x44
       bpf_dispatcher_nop_func include/linux/bpf.h:1394 [inline]
       __bpf_prog_run include/linux/filter.h:723 [inline]
       bpf_prog_run include/linux/filter.h:730 [inline]
       __bpf_trace_run kernel/trace/bpf_trace.c:2075 [inline]
       bpf_trace_run4+0x2b0/0x4e0 kernel/trace/bpf_trace.c:2118
       __bpf_trace_sched_switch+0x1cb/0x230 include/trace/events/sched.h:220
       __traceiter_sched_switch+0x9d/0xd0 include/trace/events/sched.h:220
       __do_trace_sched_switch include/trace/events/sched.h:220 [inline]
       trace_sched_switch include/trace/events/sched.h:220 [inline]
       __schedule+0x25a3/0x4fb0 kernel/sched/core.c:6860
       preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:7047
       preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12
       on_each_cpu_cond_mask+0x7a/0x80 kernel/smp.c:1044
       on_each_cpu include/linux/smp.h:71 [inline]
       smp_text_poke_sync_each_cpu arch/x86/kernel/alternative.c:2711 [inline]
       smp_text_poke_batch_finish+0xec2/0x1160 arch/x86/kernel/alternative.c:3004
       __static_call_transform+0x4ff/0x790 arch/x86/kernel/static_call.c:119
       arch_static_call_transform+0x98/0xc0 arch/x86/kernel/static_call.c:-1
       __static_call_update+0x41e/0x620 kernel/static_call_inline.c:209
       bpf_dispatcher_update kernel/bpf/dispatcher.c:126 [inline]
       bpf_dispatcher_change_prog+0xbee/0xd70 kernel/bpf/dispatcher.c:168
       bpf_prog_test_run_xdp+0x794/0x1160 net/bpf/test_run.c:1393
       bpf_prog_test_run+0x2c7/0x340 kernel/bpf/syscall.c:4701
       __sys_bpf+0x643/0x950 kernel/bpf/syscall.c:6223
       __do_sys_bpf kernel/bpf/syscall.c:6318 [inline]
       __se_sys_bpf kernel/bpf/syscall.c:6316 [inline]
       __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6316
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

other info that might help us debug this:

Chain exists of:
  console_owner --> &p->pi_lock --> &rq->__lock

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(&rq->__lock);
                               lock(&p->pi_lock);
                               lock(&rq->__lock);
  lock(console_owner);

 *** DEADLOCK ***

8 locks held by syz.2.897/8913:
 #0: ffffffff8f718668 (bpf_dispatcher_xdp.mutex){+.+.}-{4:4}, at: bpf_dispatcher_change_prog+0xc6/0xd70 kernel/bpf/dispatcher.c:146
 #1: ffffffff8e1d9330 (cpu_hotplug_lock){++++}-{0:0}, at: __static_call_update+0x9b/0x620 kernel/static_call_inline.c:139
 #2: ffffffff8e3f8dc8 (static_call_mutex){+.+.}-{4:4}, at: static_call_lock kernel/static_call_inline.c:36 [inline]
 #2: ffffffff8e3f8dc8 (static_call_mutex){+.+.}-{4:4}, at: __static_call_update+0xa9/0x620 kernel/static_call_inline.c:140
 #3: ffffffff8e1ecae8 (text_mutex){+.+.}-{4:4}, at: arch_static_call_transform+0x2d/0xc0 arch/x86/kernel/static_call.c:168
 #4: ffff8880b873a918 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:639
 #5: ffffffff8e341b20 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 #5: ffffffff8e341b20 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:867 [inline]
 #5: ffffffff8e341b20 (rcu_read_lock){....}-{1:3}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2074 [inline]
 #5: ffffffff8e341b20 (rcu_read_lock){....}-{1:3}, at: bpf_trace_run4+0x1be/0x4e0 kernel/trace/bpf_trace.c:2118
 #6: ffffffff8e335a00 (console_lock){+.+.}-{0:0}, at: _printk+0xdd/0x130 kernel/printk/printk.c:2451
 #7: ffffffff8e21d2b8 (console_srcu){....}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:336 [inline]
 #7: ffffffff8e21d2b8 (console_srcu){....}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:409 [inline]
 #7: ffffffff8e21d2b8 (console_srcu){....}-{0:0}, at: console_srcu_read_lock kernel/printk/printk.c:289 [inline]
 #7: ffffffff8e21d2b8 (console_srcu){....}-{0:0}, at: console_flush_one_record kernel/printk/printk.c:3192 [inline]
 #7: ffffffff8e21d2b8 (console_srcu){....}-{0:0}, at: console_flush_all+0x123/0xb20 kernel/printk/printk.c:3289

stack backtrace:
CPU: 1 UID: 0 PID: 8913 Comm: syz.2.897 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 print_circular_bug+0x2e1/0x300 kernel/locking/lockdep.c:2043
 check_noncircular+0x12e/0x150 kernel/locking/lockdep.c:2175
 check_prev_add kernel/locking/lockdep.c:3165 [inline]
 check_prevs_add kernel/locking/lockdep.c:3284 [inline]
 validate_chain kernel/locking/lockdep.c:3908 [inline]
 __lock_acquire+0x15a5/0x2cf0 kernel/locking/lockdep.c:5237
 lock_acquire+0x106/0x330 kernel/locking/lockdep.c:5868
 console_lock_spinning_enable kernel/printk/printk.c:1900 [inline]
 console_emit_next_record kernel/printk/printk.c:3123 [inline]
 console_flush_one_record kernel/printk/printk.c:3215 [inline]
 console_flush_all+0x6c1/0xb20 kernel/printk/printk.c:3289
 __console_flush_and_unlock kernel/printk/printk.c:3319 [inline]
 console_unlock+0xd1/0x1c0 kernel/printk/printk.c:3359
 vprintk_emit+0x485/0x560 kernel/printk/printk.c:2426
 _printk+0xdd/0x130 kernel/printk/printk.c:2451
 fail_dump lib/fault-inject.c:66 [inline]
 should_fail_ex+0x3f3/0x560 lib/fault-inject.c:174
 strncpy_from_user+0x36/0x2b0 lib/strncpy_from_user.c:118
 strncpy_from_user_nofault+0x71/0x150 mm/maccess.c:192
 bpf_probe_read_user_str_common kernel/trace/bpf_trace.c:214 [inline]
 ____bpf_probe_read_user_str kernel/trace/bpf_trace.c:223 [inline]
 bpf_probe_read_user_str+0x2a/0x70 kernel/trace/bpf_trace.c:220
 bpf_prog_c762caf419d1c004+0x3e/0x44
 bpf_dispatcher_nop_func include/linux/bpf.h:1394 [inline]
 __bpf_prog_run include/linux/filter.h:723 [inline]
 bpf_prog_run include/linux/filter.h:730 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2075 [inline]
 bpf_trace_run4+0x2b0/0x4e0 kernel/trace/bpf_trace.c:2118
 __bpf_trace_sched_switch+0x1cb/0x230 include/trace/events/sched.h:220
 __traceiter_sched_switch+0x9d/0xd0 include/trace/events/sched.h:220
 __do_trace_sched_switch include/trace/events/sched.h:220 [inline]
 trace_sched_switch include/trace/events/sched.h:220 [inline]
 __schedule+0x25a3/0x4fb0 kernel/sched/core.c:6860
 preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:7047
 preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12
 on_each_cpu_cond_mask+0x7a/0x80 kernel/smp.c:1044
 on_each_cpu include/linux/smp.h:71 [inline]
 smp_text_poke_sync_each_cpu arch/x86/kernel/alternative.c:2711 [inline]
 smp_text_poke_batch_finish+0xec2/0x1160 arch/x86/kernel/alternative.c:3004
 __static_call_transform+0x4ff/0x790 arch/x86/kernel/static_call.c:119
 arch_static_call_transform+0x98/0xc0 arch/x86/kernel/static_call.c:-1
 __static_call_update+0x41e/0x620 kernel/static_call_inline.c:209
 bpf_dispatcher_update kernel/bpf/dispatcher.c:126 [inline]
 bpf_dispatcher_change_prog+0xbee/0xd70 kernel/bpf/dispatcher.c:168
 bpf_prog_test_run_xdp+0x794/0x1160 net/bpf/test_run.c:1393
 bpf_prog_test_run+0x2c7/0x340 kernel/bpf/syscall.c:4701
 __sys_bpf+0x643/0x950 kernel/bpf/syscall.c:6223
 __do_sys_bpf kernel/bpf/syscall.c:6318 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:6316 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6316
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc21519acb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc216085028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fc215416090 RCX: 00007fc21519acb9
RDX: 0000000000000048 RSI: 0000200000000600 RDI: 000000000000000a
RBP: 00007fc216085090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fc215416128 R14: 00007fc215416090 R15: 00007ffebf860e78
 </TASK>
CPU: 1 UID: 0 PID: 8913 Comm: syz.2.897 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 fail_dump lib/fault-inject.c:73 [inline]
 should_fail_ex+0x412/0x560 lib/fault-inject.c:174
 strncpy_from_user+0x36/0x2b0 lib/strncpy_from_user.c:118
 strncpy_from_user_nofault+0x71/0x150 mm/maccess.c:192
 bpf_probe_read_user_str_common kernel/trace/bpf_trace.c:214 [inline]
 ____bpf_probe_read_user_str kernel/trace/bpf_trace.c:223 [inline]
 bpf_probe_read_user_str+0x2a/0x70 kernel/trace/bpf_trace.c:220
 bpf_prog_c762caf419d1c004+0x3e/0x44
 bpf_dispatcher_nop_func include/linux/bpf.h:1394 [inline]
 __bpf_prog_run include/linux/filter.h:723 [inline]
 bpf_prog_run include/linux/filter.h:730 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2075 [inline]
 bpf_trace_run4+0x2b0/0x4e0 kernel/trace/bpf_trace.c:2118
 __bpf_trace_sched_switch+0x1cb/0x230 include/trace/events/sched.h:220
 __traceiter_sched_switch+0x9d/0xd0 include/trace/events/sched.h:220
 __do_trace_sched_switch include/trace/events/sched.h:220 [inline]
 trace_sched_switch include/trace/events/sched.h:220 [inline]
 __schedule+0x25a3/0x4fb0 kernel/sched/core.c:6860
 preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:7047
 preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12
 on_each_cpu_cond_mask+0x7a/0x80 kernel/smp.c:1044
 on_each_cpu include/linux/smp.h:71 [inline]
 smp_text_poke_sync_each_cpu arch/x86/kernel/alternative.c:2711 [inline]
 smp_text_poke_batch_finish+0xec2/0x1160 arch/x86/kernel/alternative.c:3004
 __static_call_transform+0x4ff/0x790 arch/x86/kernel/static_call.c:119
 arch_static_call_transform+0x98/0xc0 arch/x86/kernel/static_call.c:-1
 __static_call_update+0x41e/0x620 kernel/static_call_inline.c:209
 bpf_dispatcher_update kernel/bpf/dispatcher.c:126 [inline]
 bpf_dispatcher_change_prog+0xbee/0xd70 kernel/bpf/dispatcher.c:168
 bpf_prog_test_run_xdp+0x794/0x1160 net/bpf/test_run.c:1393
 bpf_prog_test_run+0x2c7/0x340 kernel/bpf/syscall.c:4701
 __sys_bpf+0x643/0x950 kernel/bpf/syscall.c:6223
 __do_sys_bpf kernel/bpf/syscall.c:6318 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:6316 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6316
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc21519acb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc216085028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fc215416090 RCX: 00007fc21519acb9
RDX: 0000000000000048 RSI: 0000200000000600 RDI: 000000000000000a
RBP: 00007fc216085090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fc215416128 R14: 00007fc215416090 R15: 00007ffebf860e78
 </TASK>