Warning: Permanently added '10.128.10.18' (ECDSA) to the list of known hosts. executing program [ 48.769107][ T3592] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor380/3592 [ 48.778625][ T3592] caller is netdev_core_stats_alloc+0x98/0x110 [ 48.784800][ T3592] CPU: 1 PID: 3592 Comm: syz-executor380 Not tainted 5.17.0-rc7-syzkaller-02443-gd96657dc9238 #0 [ 48.795280][ T3592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.805322][ T3592] Call Trace: [ 48.808586][ T3592] [ 48.811499][ T3592] dump_stack_lvl+0xcd/0x134 [ 48.816079][ T3592] check_preemption_disabled+0x16b/0x170 [ 48.821701][ T3592] netdev_core_stats_alloc+0x98/0x110 [ 48.827059][ T3592] tun_get_user+0x2e67/0x3ab0 [ 48.831727][ T3592] ? tun_build_skb+0x1010/0x1010 [ 48.836648][ T3592] ? lock_downgrade+0x6e0/0x6e0 [ 48.841491][ T3592] tun_chr_write_iter+0xe1/0x200 [ 48.846410][ T3592] new_sync_write+0x431/0x660 [ 48.851072][ T3592] ? new_sync_read+0x6e0/0x6e0 [ 48.855826][ T3592] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 48.862054][ T3592] ? security_file_permission+0xab/0xd0 [ 48.867588][ T3592] vfs_write+0x7cd/0xae0 [ 48.871815][ T3592] ksys_write+0x12d/0x250 [ 48.876130][ T3592] ? __ia32_sys_read+0xb0/0xb0 [ 48.880876][ T3592] ? syscall_enter_from_user_mode+0x21/0x70 [ 48.886756][ T3592] do_syscall_64+0x35/0xb0 [ 48.891153][ T3592] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 48.897034][ T3592] RIP: 0033:0x7f78a76c67e3 [ 48.901429][ T3592] 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 [ 48.921017][ T3592] RSP: 002b:00007ffdd5111c58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.929427][ T3592] RAX: ffffffffffffffda RBX: 00007ffdd5111c80 RCX: 00007f78a76c67e3 [ 48.937382][ T3592] RDX: 0000000000001017 RSI: 0000000000000000 RDI: 00000000000000c8 [ 48.945332][ T3592] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 48.953280][ T3592] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 48.961234][ T3592] R13: 00007ffdd5111c70 R14: 00007ffdd5111c68 R15: 00007ffdd5111c64 [ 48.969196][ T3592]