DUID 00:04:64:fe:60:40:6b:21:45:e2:2b:76:87:02:d2:43:fb:60
forked to background, child pid 3176
[ 26.290360][ T3177] 8021q: adding VLAN 0 to HW filter on device bond0
[ 26.300984][ T3177] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.15.203' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [ 48.133935][ T3592] FAULT_INJECTION: forcing a failure.
[ 48.133935][ T3592] name fail_usercopy, interval 1, probability 0, space 0, times 1
[ 48.147123][ T3592] CPU: 1 PID: 3592 Comm: syz-executor181 Not tainted 5.17.0-rc7-syzkaller-02426-g97aeb877de7f #0
[ 48.157621][ T3592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 48.167658][ T3592] Call Trace:
[ 48.170919][ T3592]
[ 48.173833][ T3592] dump_stack_lvl+0xcd/0x134
[ 48.178422][ T3592] should_fail.cold+0x5/0xa
[ 48.182934][ T3592] copy_page_from_iter+0x359/0x7c0
[ 48.188051][ T3592] tun_build_skb+0x27c/0x1010
[ 48.192743][ T3592] ? tun_xdp_act+0x9e0/0x9e0
[ 48.197331][ T3592] ? __lock_acquire+0xbc4/0x56c0
[ 48.202282][ T3592] tun_get_user+0x812/0x3ab0
[ 48.206884][ T3592] ? tun_build_skb+0x1010/0x1010
[ 48.211824][ T3592] ? lock_downgrade+0x6e0/0x6e0
[ 48.216689][ T3592] tun_chr_write_iter+0xe1/0x200
[ 48.221631][ T3592] new_sync_write+0x431/0x660
[ 48.226313][ T3592] ? new_sync_read+0x6e0/0x6e0
[ 48.231089][ T3592] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[ 48.237331][ T3592] ? security_file_permission+0xab/0xd0
[ 48.242887][ T3592] vfs_write+0x7cd/0xae0
[ 48.247156][ T3592] ksys_write+0x12d/0x250
[ 48.251509][ T3592] ? __ia32_sys_read+0xb0/0xb0
[ 48.256280][ T3592] ? syscall_enter_from_user_mode+0x21/0x70
[ 48.262180][ T3592] do_syscall_64+0x35/0xb0
[ 48.266597][ T3592] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 48.272510][ T3592] RIP: 0033:0x7f865e16aa93
[ 48.276923][ 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
[ 48.296534][ T3592] RSP: 002b:00007ffe00434cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 48.304951][ T3592] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f865e16aa93
[ 48.312930][ T3592] RDX: 000000000000004a RSI: 0000000020000440 RDI: 00000000000000c8
[ 48.320905][ T3592] RBP: 00007ffe00434d20 R08: 0000000000000000 R09: 0000000000000001
[ 48.328869][ T3592] R10: 00007ffe00434a97 R11: 0000000000000246 R12: 0000000000000003
[ 48.336834][ T3592] R13: 0000000000000000 R14: 00007ffe00434d14 R15: 00007ffe00434d20
[ 48.344813][ T3592]
[ 48.348242][ T3592] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor181/3592
[ 48.357715][ T3592] caller is netdev_core_stats_alloc+0x98/0x110
[ 48.364110][ T3592] CPU: 0 PID: 3592 Comm: syz-executor181 Not tainted 5.17.0-rc7-syzkaller-02426-g97aeb877de7f #0
[ 48.374588][ T3592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 48.384622][ T3592] Call Trace:
[ 48.387891][ T3592]
[ 48.390806][ T3592] dump_stack_lvl+0xcd/0x134
[ 48.395411][ T3592] check_preemption_disabled+0x16b/0x170
[ 48.401041][ T3592] netdev_core_stats_alloc+0x98/0x110
[ 48.406400][ T3592] tun_get_user+0x3455/0x3ab0
[ 48.411069][ T3592] ? tun_build_skb+0x1010/0x1010
[ 48.415995][ T3592] ? lock_downgrade+0x6e0/0x6e0
[ 48.420844][ T3592] tun_chr_write_iter+0xe1/0x200
[ 48.425788][ T3592] new_sync_write+0x431/0x660
[ 48.430450][ T3592] ? new_sync_read+0x6e0/0x6e0
[ 48.435206][ T3592] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[ 48.441436][ T3592] ? security_file_permission+0xab/0xd0
[ 48.446971][ T3592] vfs_write+0x7cd/0xae0
[ 48.451201][ T3592] ksys_write+0x12d/0x250
[ 48.455518][ T3592] ? __ia32_sys_read+0xb0/0xb0
[ 48.460265][ T3592] ? syscall_enter_from_user_mode+0x21/0x70
[ 48.466160][ T3592] do_syscall_64+0x35/0xb0
[ 48.470577][ T3592] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 48.476476][ T3592] RIP: 0033:0x7f865e16aa93
[ 48.480883][ 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
[ 48.500472][ T3592] RSP: 002b:00007ffe00434cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 48.508868][ T3592] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f865e16aa93
[ 48.516826][ T3592] RDX: 000000000000004a RSI: 0000000020000440 RDI: 00000000000000c8
[ 48.524798][ T3592] RBP: 00007ffe00434d20 R08: 0000000000000000 R09: 0000000000000001
[ 48.532759][ T3592] R10: 00007ffe00434a97 R11: 0000000000000246 R12: 0000000000000003
[ 48.540716][ T3592] R13: 0000000000000000 R14: 00007ffe00434d14 R15: 00007ffe00434d20
[ 48.548686][ T3592]