Warning: Permanently added '10.128.0.10' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 1051.043523] audit: type=1400 audit(1593963805.004:8): avc: denied { execmem } for pid=6453 comm="syz-executor631" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 1051.069115] IPVS: ftp: loaded support on port[0] = 21 [ 1051.075329] IPVS: ftp: loaded support on port[0] = 21 [ 1051.077709] IPVS: ftp: loaded support on port[0] = 21 [ 1051.097658] IPVS: ftp: loaded support on port[0] = 21 [ 1051.105100] IPVS: ftp: loaded support on port[0] = 21 [ 1051.110812] IPVS: ftp: loaded support on port[0] = 21 [ 1051.272395] IPVS: ftp: loaded support on port[0] = 21 [ 1051.285937] IPVS: ftp: loaded support on port[0] = 21 [ 1051.288860] IPVS: ftp: loaded support on port[0] = 21 [ 1051.307348] IPVS: ftp: loaded support on port[0] = 21 [ 1051.317869] IPVS: ftp: loaded support on port[0] = 21 [ 1051.322342] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 1051.509461] IPVS: ftp: loaded support on port[0] = 21 [ 1051.519976] IPVS: ftp: loaded support on port[0] = 21 [ 1051.596695] IPVS: ftp: loaded support on port[0] = 21 [ 1051.606542] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 1051.674731] IPVS: ftp: loaded support on port[0] = 21 [ 1051.728735] IPVS: ftp: loaded support on port[0] = 21 [ 1051.735752] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1051.803600] IPVS: ftp: loaded support on port[0] = 21 [ 1051.837645] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1051.895380] IPVS: ftp: loaded support on port[0] = 21 [ 1051.906365] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1051.979149] IPVS: ftp: loaded support on port[0] = 21 [ 1051.999444] IPVS: ftp: loaded support on port[0] = 21 [ 1052.182029] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1054.569466] IPVS: ftp: loaded support on port[0] = 21 [ 1054.710377] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1054.937670] IPVS: ftp: loaded support on port[0] = 21 [ 1055.087633] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1055.338396] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1055.447298] IPVS: ftp: loaded support on port[0] = 21 [ 1055.471751] IPVS: ftp: loaded support on port[0] = 21 [ 1055.597723] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 1055.721710] IPVS: ftp: loaded support on port[0] = 21 [ 1055.782015] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1055.864902] IPVS: ftp: loaded support on port[0] = 21 [ 1055.895344] IPVS: ftp: loaded support on port[0] = 21 [ 1055.937042] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1056.072709] IPVS: ftp: loaded support on port[0] = 21 [ 1056.118769] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1056.258087] IPVS: ftp: loaded support on port[0] = 21 [ 1056.275259] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1056.367231] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1056.402272] IPVS: ftp: loaded support on port[0] = 21 [ 1056.428063] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1056.552073] IPVS: ftp: loaded support on port[0] = 21 [ 1056.589837] IPVS: ftp: loaded support on port[0] = 21 [ 1056.594636] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1056.742081] IPVS: ftp: loaded support on port[0] = 21 [ 1056.787444] IPVS: ftp: loaded support on port[0] = 21 [ 1056.920340] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1057.065864] IPVS: ftp: loaded support on port[0] = 21 [ 1057.227766] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1058.876903] IPVS: ftp: loaded support on port[0] = 21 [ 1059.022066] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1059.266432] IPVS: ftp: loaded support on port[0] = 21 [ 1059.422342] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1059.807221] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1059.953733] IPVS: ftp: loaded support on port[0] = 21 [ 1059.966540] IPVS: ftp: loaded support on port[0] = 21 [ 1060.130284] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1060.739672] IPVS: ftp: loaded support on port[0] = 21 [ 1060.898777] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1061.306190] IPVS: ftp: loaded support on port[0] = 21 [ 1061.445221] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1061.740726] IPVS: ftp: loaded support on port[0] = 21 [ 1061.882199] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1062.144457] IPVS: ftp: loaded support on port[0] = 21 [ 1062.285835] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 1062.632604] IPVS: ftp: loaded support on port[0] = 21 [ 1062.688056] IPVS: ftp: loaded support on port[0] = 21 [ 1062.771198] IPVS: ftp: loaded support on port[0] = 21 [ 1062.826531] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1065.927502] IPVS: ftp: loaded support on port[0] = 21 [ 1066.065345] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1066.435261] IPVS: ftp: loaded support on port[0] = 21 [ 1066.570148] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1066.716731] IPVS: ftp: loaded support on port[0] = 21 [ 1066.840163] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 1066.935957] IPVS: ftp: loaded support on port[0] = 21 [ 1067.005063] IPVS: ftp: loaded support on port[0] = 21 [ 1067.097048] IPVS: ftp: loaded support on port[0] = 21 [ 1067.157277] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1067.383943] IPVS: ftp: loaded support on port[0] = 21 [ 1067.554096] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1068.628596] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1068.738308] IPVS: ftp: loaded support on port[0] = 21 [ 1068.781261] IPVS: ftp: loaded support on port[0] = 21 [ 1068.897920] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1071.137888] IPVS: ftp: loaded support on port[0] = 21 [ 1071.287178] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1071.448402] IPVS: ftp: loaded support on port[0] = 21 [ 1071.492003] kasan: CONFIG_KASAN_INLINE enabled [ 1071.496890] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 1071.530598] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 1071.536859] CPU: 1 PID: 8729 Comm: syz-executor631 Not tainted 4.19.131-syzkaller #0 [ 1071.544727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1071.554143] RIP: 0010:free_netdev+0x41/0x410 [ 1071.558545] Code: d2 be 0a 24 00 00 48 c7 c7 80 2d 2a 88 e8 57 aa 92 fb 48 8d bb 00 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 86 03 00 00 48 8b bb 00 04 00 00 e8 49 e0 d8 fb [ 1071.577440] RSP: 0018:ffff88809376fc28 EFLAGS: 00010202 [ 1071.582793] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 1071.590053] RDX: 0000000000000080 RSI: 00000000ffffffff RDI: 0000000000000400 [ 1071.597316] RBP: ffff88809e144d00 R08: 0000000000000001 R09: 0000000000000000 [ 1071.604575] R10: 0000000000000005 R11: 0000000000000000 R12: 00000000fffffff4 [ 1071.611836] R13: ffff88809e145110 R14: ffff888094382dc0 R15: ffff888093b0b248 [ 1071.619098] FS: 00007fe3debb7700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 1071.627315] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1071.633272] CR2: 00007fe3debb6db8 CR3: 00000000a2cbd000 CR4: 00000000001406e0 [ 1071.640535] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1071.647793] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1071.655049] Call Trace: [ 1071.657715] ip6gre_init_net+0x54b/0x620 [ 1071.661769] ? ip6gre_dellink+0x2d0/0x2d0 [ 1071.665945] ops_init+0xb3/0x410 [ 1071.669308] setup_net+0x2c2/0x720 [ 1071.672841] ? rtnl_net_dumpid_one+0x250/0x250 [ 1071.677422] copy_net_ns+0x1f7/0x335 [ 1071.681134] create_new_namespaces+0x3f6/0x7b0 [ 1071.685717] unshare_nsproxy_namespaces+0xbd/0x1f0 [ 1071.690640] ksys_unshare+0x36c/0x9a0 [ 1071.694434] ? __se_sys_futex+0x28f/0x3b0 [ 1071.698575] ? walk_process_tree+0x2c0/0x2c0 [ 1071.702977] ? do_dup2+0x450/0x450 [ 1071.706508] ? fput+0x2b/0x190 [ 1071.709695] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1071.714445] ? trace_hardirqs_off_caller+0x69/0x210 [ 1071.719459] __x64_sys_unshare+0x2d/0x40 [ 1071.723516] do_syscall_64+0xf9/0x620 [ 1071.727374] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1071.732553] RIP: 0033:0x446d69 [ 1071.735740] Code: e8 dc e6 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 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 0f 83 2b 06 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1071.754634] RSP: 002b:00007fe3debb6cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 1071.762335] RAX: ffffffffffffffda RBX: 00000000006dcc38 RCX: 0000000000446d69 [ 1071.769599] RDX: 0000000000446d69 RSI: 0000000000000000 RDI: 0000000040040000 [ 1071.776865] RBP: 00000000006dcc30 R08: 0000000000000000 R09: 0000000000000000 [ 1071.784131] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc3c executing program [ 1071.791401] R13: 00007ffd9168a67f R14: 00007fe3debb79c0 R15: 0000000000000001 [ 1071.798667] Modules linked in: [ 1071.831554] IPVS: ftp: loaded support on port[0] = 21 executing program [ 1071.847325] IPVS: ftp: loaded support on port[0] = 21 [ 1071.897963] ---[ end trace 9c073ebdf09cf198 ]--- [ 1071.902860] RIP: 0010:free_netdev+0x41/0x410 [ 1071.907831] Code: d2 be 0a 24 00 00 48 c7 c7 80 2d 2a 88 e8 57 aa 92 fb 48 8d bb 00 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 86 03 00 00 48 8b bb 00 04 00 00 e8 49 e0 d8 fb [ 1071.910675] IPVS: ftp: loaded support on port[0] = 21 [ 1071.928408] RSP: 0018:ffff88809376fc28 EFLAGS: 00010202 executing program [ 1071.960163] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 1071.996444] RDX: 0000000000000080 RSI: 00000000ffffffff RDI: 0000000000000400 [ 1072.005070] IPVS: ftp: loaded support on port[0] = 21 [ 1072.010416] RBP: ffff88809e144d00 R08: 0000000000000001 R09: 0000000000000000 [ 1072.022945] IPVS: ftp: loaded support on port[0] = 21 [ 1072.029294] R10: 0000000000000005 R11: 0000000000000000 R12: 00000000fffffff4 [ 1072.043311] R13: ffff88809e145110 R14: ffff888094382dc0 R15: ffff888093b0b248 [ 1072.051006] FS: 00007fe3debb7700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 1072.060598] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1072.074057] IPVS: ftp: loaded support on port[0] = 21 [ 1072.075463] CR2: 0000000000000000 CR3: 00000000a2cbd000 CR4: 00000000001406f0 [ 1072.088209] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1072.097316] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1072.105775] Kernel panic - not syncing: Fatal exception [ 1072.112657] Kernel Offset: disabled [ 1072.116277] Rebooting in 86400 seconds..