DUID 00:04:e7:a9:54:ba:d6:ca:b0:a9:a8:44:aa:dd:15:41:58:fb
forked to background, child pid 3176
[ 27.406420][ T3177] 8021q: adding VLAN 0 to HW filter on device bond0
[ 27.418645][ T3177] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.1.77' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [ 49.656929][ T3592] FAULT_INJECTION: forcing a failure.
[ 49.656929][ T3592] name fail_usercopy, interval 1, probability 0, space 0, times 1
[ 49.670078][ T3592] CPU: 1 PID: 3592 Comm: syz-executor192 Not tainted 5.17.0-rc7-syzkaller-02426-g97aeb877de7f #0
[ 49.680607][ T3592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 49.690653][ T3592] Call Trace:
[ 49.693920][ T3592]
[ 49.696862][ T3592] dump_stack_lvl+0xcd/0x134
[ 49.701473][ T3592] should_fail.cold+0x5/0xa
[ 49.705970][ T3592] copy_page_from_iter+0x359/0x7c0
[ 49.711073][ T3592] tun_build_skb+0x27c/0x1010
[ 49.715740][ T3592] ? tun_xdp_act+0x9e0/0x9e0
[ 49.720316][ T3592] ? __lock_acquire+0xbc4/0x56c0
[ 49.726249][ T3592] tun_get_user+0x812/0x3ab0
[ 49.730858][ T3592] ? tun_build_skb+0x1010/0x1010
[ 49.735795][ T3592] ? lock_downgrade+0x6e0/0x6e0
[ 49.740653][ T3592] tun_chr_write_iter+0xe1/0x200
[ 49.745588][ T3592] new_sync_write+0x431/0x660
[ 49.750264][ T3592] ? new_sync_read+0x6e0/0x6e0
[ 49.755028][ T3592] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[ 49.761262][ T3592] ? security_file_permission+0xab/0xd0
[ 49.766814][ T3592] vfs_write+0x7cd/0xae0
[ 49.771066][ T3592] ksys_write+0x12d/0x250
[ 49.775657][ T3592] ? __ia32_sys_read+0xb0/0xb0
[ 49.780510][ T3592] ? syscall_enter_from_user_mode+0x21/0x70
[ 49.786548][ T3592] do_syscall_64+0x35/0xb0
[ 49.791321][ T3592] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 49.797219][ T3592] RIP: 0033:0x7f3a8daeda93
[ 49.801643][ 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
[ 49.821357][ T3592] RSP: 002b:00007ffe915903d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 49.829762][ T3592] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3a8daeda93
[ 49.837736][ T3592] RDX: 0000000000000060 RSI: 0000000020000100 RDI: 00000000000000c8
[ 49.845696][ T3592] RBP: 00007ffe91590400 R08: 0000000000000000 R09: 0000000000000001
[ 49.853652][ T3592] R10: 00007ffe91590177 R11: 0000000000000246 R12: 0000000000000003
[ 49.861624][ T3592] R13: 0000000000000000 R14: 00007ffe915903f4 R15: 00007ffe91590400
[ 49.869592][ T3592]
[ 49.873698][ T3592] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor192/3592
[ 49.883210][ T3592] caller is netdev_core_stats_alloc+0x98/0x110
[ 49.889389][ T3592] CPU: 1 PID: 3592 Comm: syz-executor192 Not tainted 5.17.0-rc7-syzkaller-02426-g97aeb877de7f #0
[ 49.899897][ T3592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 49.909961][ T3592] Call Trace:
[ 49.913258][ T3592]
[ 49.916198][ T3592] dump_stack_lvl+0xcd/0x134
[ 49.920809][ T3592] check_preemption_disabled+0x16b/0x170
[ 49.926477][ T3592] netdev_core_stats_alloc+0x98/0x110
[ 49.931855][ T3592] tun_get_user+0x3455/0x3ab0
[ 49.936555][ T3592] ? tun_build_skb+0x1010/0x1010
[ 49.941510][ T3592] ? lock_downgrade+0x6e0/0x6e0
[ 49.946380][ T3592] tun_chr_write_iter+0xe1/0x200
[ 49.951410][ T3592] new_sync_write+0x431/0x660
[ 49.956091][ T3592] ? new_sync_read+0x6e0/0x6e0
[ 49.960882][ T3592] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[ 49.967126][ T3592] ? security_file_permission+0xab/0xd0
[ 49.972684][ T3592] vfs_write+0x7cd/0xae0
[ 49.976935][ T3592] ksys_write+0x12d/0x250
[ 49.981274][ T3592] ? __ia32_sys_read+0xb0/0xb0
[ 49.986068][ T3592] ? syscall_enter_from_user_mode+0x21/0x70
[ 49.991971][ T3592] do_syscall_64+0x35/0xb0
[ 49.996390][ T3592] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 50.002311][ T3592] RIP: 0033:0x7f3a8daeda93
[ 50.006732][ 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
[ 50.026467][ T3592] RSP: 002b:00007ffe915903d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 50.034892][ T3592] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3a8daeda93
[ 50.042873][ T3592] RDX: 0000000000000060 RSI: 0000000020000100 RDI: 00000000000000c8
[ 50.050865][ T3592] RBP: 00007ffe91590400 R08: 0000000000000000 R09: 0000000000000001
[ 50.058832][ T3592] R10: 00007ffe91590177 R11: 0000000000000246 R12: 0000000000000003
[ 50.066824][ T3592] R13: 0000000000000000 R14: 00007ffe915903f4 R15: 00007ffe91590400
[ 50.074811][ T3592]