Warning: Permanently added '10.128.0.138' (ECDSA) to the list of known hosts. syzkaller login: [ 69.781229][ T7895] IPVS: ftp: loaded support on port[0] = 21 [ 69.788595][ T7892] IPVS: ftp: loaded support on port[0] = 21 [ 69.799706][ T7897] IPVS: ftp: loaded support on port[0] = 21 [ 69.801873][ T7894] IPVS: ftp: loaded support on port[0] = 21 [ 69.812752][ T7898] IPVS: ftp: loaded support on port[0] = 21 [ 69.815949][ T7896] IPVS: ftp: loaded support on port[0] = 21 [ 70.007705][ T7900] input: syz1 as /devices/virtual/input/input5 [ 70.071410][ T7903] input: syz1 as /devices/virtual/input/input6 [ 70.080673][ T7900] input: syz1 as /devices/virtual/input/input7 [ 70.113123][ T7909] input: syz1 as /devices/virtual/input/input8 [ 70.132601][ T7913] input: syz1 as /devices/virtual/input/input9 [ 70.145037][ T7915] input: syz1 as /devices/virtual/input/input10 [ 70.170130][ T7917] input: syz1 as /devices/virtual/input/input11 [ 70.215707][ T7929] input: syz1 as /devices/virtual/input/input13 [ 70.248772][ T7933] input: syz1 as /devices/virtual/input/input14 [ 70.262701][ T7917] input: syz1 as /devices/virtual/input/input15 [ 70.280818][ T7913] input: syz1 as /devices/virtual/input/input17 [ 70.347188][ T7915] input: syz1 as /devices/virtual/input/input18 [ 70.369944][ T7929] input: syz1 as /devices/virtual/input/input19 [ 70.414096][ T7958] input: syz1 as /devices/virtual/input/input20 [ 70.451678][ T7966] input: syz1 as /devices/virtual/input/input21 [ 70.487571][ T7970] input: syz1 as /devices/virtual/input/input22 [ 70.510578][ T7933] input: syz1 as /devices/virtual/input/input23 [ 70.535448][ T7976] input: syz1 as /devices/virtual/input/input24 [ 70.550077][ T7958] input: syz1 as /devices/virtual/input/input25 [ 70.621867][ T7983] input: syz1 as /devices/virtual/input/input27 [ 70.658763][ T7970] input: syz1 as /devices/virtual/input/input29 [ 70.667523][ T7988] input: syz1 as /devices/virtual/input/input28 [ 70.723170][ T8001] input: syz1 as /devices/virtual/input/input30 [ 70.759851][ T8006] input: syz1 as /devices/virtual/input/input31 [ 70.780933][ T7976] input: syz1 as /devices/virtual/input/input32 [ 70.820253][ T7983] input: syz1 as /devices/virtual/input/input33 [ 70.881330][ T8021] input: syz1 as /devices/virtual/input/input34 [ 70.952487][ T8025] input: syz1 as /devices/virtual/input/input36 [ 70.968090][ T8028] input: syz1 as /devices/virtual/input/input37 [ 71.039511][ T8035] input: syz1 as /devices/virtual/input/input39 [ 71.048389][ T8001] input: syz1 as /devices/virtual/input/input40 [ 71.087813][ T8041] input: syz1 as /devices/virtual/input/input41 [ 71.109509][ T8021] input: syz1 as /devices/virtual/input/input42 [ 71.158937][ T8028] input: syz1 as /devices/virtual/input/input43 [ 71.198625][ T8025] input: syz1 as /devices/virtual/input/input44 [ 71.251407][ T8048] input: syz1 as /devices/virtual/input/input45 [ 71.331628][ T8041] input: syz1 as /devices/virtual/input/input47 [ 71.349549][ T8054] input: syz1 as /devices/virtual/input/input48 [ 71.391466][ T8058] input: syz1 as /devices/virtual/input/input49 [ 71.469773][ T8063] input: syz1 as /devices/virtual/input/input51 [ 71.482933][ T8066] input: syz1 as /devices/virtual/input/input52 [ 71.548160][ T8072] input: syz1 as /devices/virtual/input/input53 [ 71.559949][ T8054] input: syz1 as /devices/virtual/input/input55 [ 71.570043][ T8076] input: syz1 as /devices/virtual/input/input54 [ 71.609523][ T8058] input: syz1 as /devices/virtual/input/input56 [ 71.681889][ T8089] input: syz1 as /devices/virtual/input/input58 [ 71.709848][ T8076] input: syz1 as /devices/virtual/input/input60 [ 71.735972][ T8093] input: syz1 as /devices/virtual/input/input61 [ 71.782611][ T8098] input: syz1 as /devices/virtual/input/input62 [ 71.824411][ T8105] input: syz1 as /devices/virtual/input/input63 [ 71.840493][ T8072] input: syz1 as /devices/virtual/input/input64 [ 71.888546][ T8089] input: syz1 as /devices/virtual/input/input65 [ 71.940236][ T8098] input: syz1 as /devices/virtual/input/input66 [ 71.978432][ T8116] input: syz1 as /devices/virtual/input/input67 [ 71.998907][ T8093] input: syz1 as /devices/virtual/input/input68 [ 72.029930][ T8105] input: syz1 as /devices/virtual/input/input69 [ 72.102711][ T8124] input: syz1 as /devices/virtual/input/input70 [ 72.178189][ T8130] input: syz1 as /devices/virtual/input/input71 [ 72.230915][ T8135] input: syz1 as /devices/virtual/input/input72 [ 72.312795][ T8142] input: syz1 as /devices/virtual/input/input74 [ 72.350995][ T8146] input: syz1 as /devices/virtual/input/input75 [ 72.390458][ T8124] input: syz1 as /devices/virtual/input/input76 [ 72.403990][ T8150] input: syz1 as /devices/virtual/input/input77 [ 72.491116][ T8130] input: syz1 as /devices/virtual/input/input78 [ 72.523210][ T8135] input: syz1 as /devices/virtual/input/input79 [ 72.568885][ T8142] input: syz1 as /devices/virtual/input/input80 [ 72.608505][ T8146] input: syz1 as /devices/virtual/input/input81 [ 72.659470][ T8150] input: syz1 as /devices/virtual/input/input82 [ 72.708887][ T8166] input: syz1 as /devices/virtual/input/input83 [ 72.747458][ T8169] input: syz1 as /devices/virtual/input/input84 [ 72.804238][ T8176] input: syz1 as /devices/virtual/input/input85 [ 72.852600][ T8179] input: syz1 as /devices/virtual/input/input86 [ 72.877607][ T8183] input: syz1 as /devices/virtual/input/input87 [ 72.920287][ T8188] input: syz1 as /devices/virtual/input/input88 [ 73.008352][ T8166] input: syz1 as /devices/virtual/input/input89 [ 73.074355][ T8176] input: syz1 as /devices/virtual/input/input91 [ 73.103060][ T8198] input: syz1 as /devices/virtual/input/input92 [ 73.113780][ T8179] input: syz1 as /devices/virtual/input/input93 [ 73.160180][ T8183] input: syz1 as /devices/virtual/input/input94 [ 73.247694][ T8208] input: syz1 as /devices/virtual/input/input96 [ 73.297762][ T8211] input: syz1 as /devices/virtual/input/input97 [ 73.328145][ T8215] input: syz1 as /devices/virtual/input/input98 [ 73.389521][ T8221] input: syz1 as /devices/virtual/input/input100 [ 73.417187][ T8224] input: syz1 as /devices/virtual/input/input101 [ 73.442794][ T8229] input: syz1 as /devices/virtual/input/input102 [ 73.483982][ T8211] input: syz1 as /devices/virtual/input/input103 [ 73.512225][ T8215] input: syz1 as /devices/virtual/input/input104 [ 73.530753][ T8208] input: syz1 as /devices/virtual/input/input105 [ 73.570905][ T8221] input: syz1 as /devices/virtual/input/input106 [ 73.658023][ T8224] input: syz1 as /devices/virtual/input/input107 [ 73.673992][ T8255] input: syz1 as /devices/virtual/input/input108 [ 73.718259][ T8229] input: syz1 as /devices/virtual/input/input109 [ 73.727846][ T8260] input: syz1 as /devices/virtual/input/input110 [ 73.764673][ T8264] input: syz1 as /devices/virtual/input/input111 [ 73.839572][ T8260] input: syz1 as /devices/virtual/input/input113 [ 73.858025][ T8270] input: syz1 as /devices/virtual/input/input114 [ 73.898222][ T8275] input: syz1 as /devices/virtual/input/input115 [ 73.940231][ T8281] input: syz1 as /devices/virtual/input/input116 [ 73.975273][ T8286] input: syz1 as /devices/virtual/input/input117 [ 74.009556][ T8264] input: syz1 as /devices/virtual/input/input118 [ 74.051035][ T8294] input: syz1 as /devices/virtual/input/input119 [ 74.146579][ T8275] input: syz1 as /devices/virtual/input/input121 [ 74.175914][ T8298] input: syz1 as /devices/virtual/input/input122 [ 74.258142][ T8286] input: syz1 as /devices/virtual/input/input124 [ 74.312259][ T8307] input: syz1 as /devices/virtual/input/input126 [ 74.319886][ T8306] input: syz1 as /devices/virtual/input/input125 [ 74.370070][ T8294] input: syz1 as /devices/virtual/input/input127 [ 74.392908][ T8313] input: syz1 as /devices/virtual/input/input128 [ 74.442441][ T8298] input: syz1 as /devices/virtual/input/input129 [ 74.449189][ T8302] ------------[ cut here ]------------ [ 74.456108][ T8302] refcount_t: increment on 0; use-after-free. [ 74.456532][ T8302] WARNING: CPU: 1 PID: 8302 at lib/refcount.c:156 refcount_inc_checked+0x61/0x70 [ 74.471441][ T8302] Kernel panic - not syncing: panic_on_warn set ... [ 74.478244][ T8302] CPU: 1 PID: 8302 Comm: syz-executor627 Not tainted 5.1.0-rc7-next-20190503 #36 [ 74.487450][ T8302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.497717][ T8302] Call Trace: [ 74.501081][ T8302] dump_stack+0x172/0x1f0 [ 74.505473][ T8302] ? refcount_inc_not_zero_checked+0x1a0/0x200 [ 74.511668][ T8302] panic+0x2cb/0x75a [ 74.515598][ T8302] ? __warn_printk+0xf3/0xf3 [ 74.520232][ T8302] ? refcount_inc_checked+0x61/0x70 [ 74.525461][ T8302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 74.532108][ T8302] ? __warn.cold+0x5/0x47 [ 74.536573][ T8302] ? __warn+0xe8/0x1d0 [ 74.540680][ T8302] ? refcount_inc_checked+0x61/0x70 [ 74.546047][ T8302] __warn.cold+0x20/0x47 [ 74.550330][ T8302] ? refcount_inc_checked+0x61/0x70 [ 74.556106][ T8302] report_bug+0x263/0x2b0 [ 74.560484][ T8302] do_error_trap+0x11b/0x200 [ 74.565138][ T8302] do_invalid_op+0x37/0x50 [ 74.569588][ T8302] ? refcount_inc_checked+0x61/0x70 [ 74.574826][ T8302] invalid_op+0x14/0x20 [ 74.579021][ T8302] RIP: 0010:refcount_inc_checked+0x61/0x70 [ 74.584859][ T8302] Code: 1d 3f a5 27 06 31 ff 89 de e8 ab 32 3c fe 84 db 75 dd e8 62 31 3c fe 48 c7 c7 00 39 a2 87 c6 05 1f a5 27 06 01 e8 1d 61 0e fe <0f> 0b eb c1 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 41 57 41 [ 74.607527][ T8302] RSP: 0018:ffff88808e0d78b8 EFLAGS: 00010282 [ 74.614295][ T8302] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 74.622747][ T8302] RDX: 0000000000000000 RSI: ffffffff815b1e66 RDI: ffffed1011c1af09 [ 74.630742][ T8302] RBP: ffff88808e0d78c8 R08: ffff88808a150600 R09: ffffed1015d240f1 [ 74.639035][ T8302] R10: ffffed1015d240f0 R11: ffff8880ae920787 R12: ffff88809ad59bf8 [ 74.647052][ T8302] R13: 0000000000000000 R14: ffff88809350d800 R15: ffff888097de7f10 [ 74.655254][ T8302] ? vprintk_func+0x86/0x189 [ 74.660086][ T8302] ? refcount_inc_checked+0x61/0x70 [ 74.665329][ T8302] kobject_get+0x66/0xc0 [ 74.669720][ T8302] cdev_get+0x60/0xb0 [ 74.673755][ T8302] chrdev_open+0xb0/0x6b0 [ 74.679008][ T8302] ? cdev_put.part.0+0x50/0x50 [ 74.685380][ T8302] ? security_file_open+0x8d/0x300 [ 74.690829][ T8302] do_dentry_open+0x4e2/0x1250 [ 74.695889][ T8302] ? kasan_check_read+0x11/0x20 [ 74.705573][ T8302] ? cdev_put.part.0+0x50/0x50 [ 74.710409][ T8302] ? chown_common+0x5c0/0x5c0 [ 74.716993][ T8302] ? inode_permission+0xb4/0x570 [ 74.722528][ T8302] vfs_open+0xa0/0xd0 [ 74.727410][ T8302] path_openat+0x10e9/0x46e0 [ 74.732040][ T8302] ? __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 74.741585][ T8302] ? path_lookupat.isra.0+0x8d0/0x8d0 [ 74.747956][ T8302] ? __alloc_fd+0x44d/0x560 [ 74.752681][ T8302] do_filp_open+0x1a1/0x280 [ 74.758853][ T8302] ? may_open_dev+0x100/0x100 [ 74.763684][ T8302] ? kasan_check_read+0x11/0x20 [ 74.768578][ T8302] ? do_raw_spin_unlock+0x57/0x270 [ 74.782671][ T8302] ? _raw_spin_unlock+0x2d/0x50 [ 74.789008][ T8302] ? __alloc_fd+0x44d/0x560 [ 74.799990][ T8302] do_sys_open+0x3fe/0x5d0 [ 74.804558][ T8302] ? filp_open+0x80/0x80 [ 74.808853][ T8302] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 74.815299][ T8302] ? do_syscall_64+0x26/0x670 [ 74.821742][ T8302] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 74.829175][ T8302] ? do_syscall_64+0x26/0x670 [ 74.835820][ T8302] __x64_sys_open+0x7e/0xc0 [ 74.843356][ T8302] do_syscall_64+0x103/0x670 [ 74.849037][ T8302] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 74.855160][ T8302] RIP: 0033:0x406fd1 [ 74.859480][ T8302] Code: 75 14 b8 02 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 a4 18 00 00 c3 48 83 ec 08 e8 8a fa ff ff 48 89 04 24 b8 02 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 d3 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 74.879818][ T8302] RSP: 002b:00007f4a4c7d9960 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 [ 74.893477][ T8302] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000406fd1 [ 74.901838][ T8302] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007f4a4c7d9970 [ 74.911314][ T8302] RBP: 6666666666666667 R08: 000000000000000f R09: 0000000000000000 [ 74.919318][ T8302] R10: 0000000000000000 R11: 0000000000000293 R12: 00000000006e4a1c [ 74.928265][ T8302] R13: 0000000000000000 R14: 0000000000000000 R15: 00000000317a7973 [ 74.937689][ T8302] Kernel Offset: disabled [ 74.942163][ T8302] Rebooting in 86400 seconds..