Warning: Permanently added '10.128.10.5' (ECDSA) to the list of known hosts. executing program [ 51.835424][ T3594] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor379/3594 [ 51.845052][ T3594] caller is netdev_core_stats_alloc+0x98/0x110 [ 51.851211][ T3594] CPU: 1 PID: 3594 Comm: syz-executor379 Not tainted 5.17.0-rc7-syzkaller-02426-g97aeb877de7f #0 [ 51.861686][ T3594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.871910][ T3594] Call Trace: [ 51.875179][ T3594] [ 51.878115][ T3594] dump_stack_lvl+0xcd/0x134 [ 51.882696][ T3594] check_preemption_disabled+0x16b/0x170 [ 51.888767][ T3594] netdev_core_stats_alloc+0x98/0x110 [ 51.894133][ T3594] tun_get_user+0x2e67/0x3ab0 [ 51.898807][ T3594] ? tun_build_skb+0x1010/0x1010 [ 51.903728][ T3594] ? lock_downgrade+0x6e0/0x6e0 [ 51.908577][ T3594] tun_chr_write_iter+0xe1/0x200 [ 51.913510][ T3594] new_sync_write+0x431/0x660 [ 51.918176][ T3594] ? new_sync_read+0x6e0/0x6e0 [ 51.922936][ T3594] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 51.929167][ T3594] ? security_file_permission+0xab/0xd0 [ 51.934702][ T3594] vfs_write+0x7cd/0xae0 [ 51.938935][ T3594] ksys_write+0x12d/0x250 [ 51.943252][ T3594] ? __ia32_sys_read+0xb0/0xb0 [ 51.947998][ T3594] ? syscall_enter_from_user_mode+0x21/0x70 [ 51.953879][ T3594] do_syscall_64+0x35/0xb0 [ 51.958277][ T3594] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 51.964155][ T3594] RIP: 0033:0x7f431311e9c3 [ 51.968641][ T3594] Code: 5d 41 5c 41 5d 41 5e e9 9b fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.988229][ T3594] RSP: 002b:00007ffca7586e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.996635][ T3594] RAX: ffffffffffffffda RBX: 00007ffca7586ea0 RCX: 00007f431311e9c3 [ 52.004586][ T3594] RDX: 0000000000000046 RSI: 0000000020000040 RDI: 00000000000000c8 [ 52.012540][ T3594] RBP: 0000000000000003 R08: bb1414aca7586ea7 R09: bb1414aca7586ea7 [ 52.020500][ T3594] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 52.028454][ T3594] R13: 00007ffca7586e90 R14: 00007ffca7586e88 R15: 00007ffca7586e84 [ 52.036415][ T3594]