Warning: Permanently added '10.128.0.125' (ECDSA) to the list of known hosts. syzkaller login: [ 62.029026] IPVS: ftp: loaded support on port[0] = 21 [ 62.032374] IPVS: ftp: loaded support on port[0] = 21 [ 62.041271] IPVS: ftp: loaded support on port[0] = 21 [ 62.041766] IPVS: ftp: loaded support on port[0] = 21 [ 62.050781] IPVS: ftp: loaded support on port[0] = 21 [ 62.055851] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program [ 62.172149] libceph: connect [d::]:6789 error -99 [ 62.177804] libceph: mon0 [d::]:6789 connect error [ 62.178615] libceph: connect [d::]:6789 error -99 [ 62.188141] libceph: mon0 [d::]:6789 connect error [ 62.194844] libceph: connect [d::]:6789 error -99 [ 62.201360] libceph: connect [d::]:6789 error -99 [ 62.206288] libceph: mon0 [d::]:6789 connect error [ 62.208886] WARNING: CPU: 0 PID: 5405 at net/ceph/messenger.c:3101 clear_standby+0x12f/0x160 [ 62.211659] libceph: mon0 [d::]:6789 connect error [ 62.220226] Kernel panic - not syncing: panic_on_warn set ... [ 62.220226] [ 62.220238] CPU: 0 PID: 5405 Comm: syz-executor741 Not tainted 4.19.0-rc8+ #62 [ 62.220244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.220247] Call Trace: [ 62.220263] dump_stack+0x1c4/0x2b4 [ 62.220274] ? dump_stack_print_info.cold.2+0x52/0x52 [ 62.220289] panic+0x238/0x4e7 [ 62.220297] ? add_taint.cold.5+0x16/0x16 [ 62.220308] ? __warn.cold.8+0x148/0x1ba [ 62.220316] ? __warn.cold.8+0x117/0x1ba [ 62.220326] ? clear_standby+0x12f/0x160 [ 62.220342] __warn.cold.8+0x163/0x1ba [ 62.225484] kobject: 'sit0' (000000008c2358e2): fill_kobj_path: path = '/devices/virtual/net/sit0' [ 62.232713] ? rcu_bh_qs+0xc0/0xc0 [ 62.232727] ? clear_standby+0x12f/0x160 [ 62.232738] report_bug+0x254/0x2d0 [ 62.232750] do_error_trap+0x1fc/0x4d0 [ 62.232760] ? math_error+0x3f0/0x3f0 [ 62.232771] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 62.232781] ? trace_hardirqs_on_caller+0x310/0x310 [ 62.232792] ? kasan_check_write+0x14/0x20 [ 62.232803] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 62.232819] do_invalid_op+0x1b/0x20 [ 62.240520] kobject: 'queues' (0000000085e5378a): kobject_add_internal: parent: 'sit0', set: '' [ 62.249532] invalid_op+0x14/0x20 [ 62.249544] RIP: 0010:clear_standby+0x12f/0x160 [ 62.249555] Code: de e8 f5 f3 ef f9 48 85 db 0f 84 39 ff ff ff e8 b7 f2 ef f9 0f 0b e9 2d ff ff ff e8 9b 62 33 fa e9 67 ff ff ff e8 a1 f2 ef f9 <0f> 0b eb a5 e8 a8 62 33 fa e9 f6 fe ff ff 4c 89 ef e8 9b 62 33 fa [ 62.249559] RSP: 0018:ffff8801d778f640 EFLAGS: 00010293 [ 62.249568] RAX: ffff8801cb692340 RBX: ffff8801cba147e8 RCX: ffffffff878eb653 [ 62.249572] RDX: 0000000000000000 RSI: ffffffff878eb6af RDI: 0000000000000007 [ 62.249577] RBP: ffff8801d778f658 R08: ffff8801cb692340 R09: ffffed003974292d [ 62.249582] R10: ffff8801d778f658 R11: ffff8801cba1496f R12: 0000000000000001 [ 62.249587] R13: ffff8801cba14920 R14: ffff8801d700f150 R15: ffff8801d778f728 [ 62.249600] ? clear_standby+0xd3/0x160 [ 62.249608] ? clear_standby+0x12f/0x160 [ 62.249620] ceph_con_send+0x460/0x600 [ 62.249637] ? ceph_msg_data_add_pages+0x340/0x340 [ 62.252395] kobject: 'queues' (0000000085e5378a): kobject_uevent_env [ 62.255833] ? ceph_auth_entity_name_encode+0x120/0x120 [ 62.255847] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 62.255859] __send_prepared_auth_request+0x155/0x1b0 [ 62.255870] __open_session+0x3cd/0x550 [ 62.255882] ceph_monc_open_session+0x193/0x350 [ 62.255892] __ceph_open_session+0xe2/0x810 [ 62.255908] ? bdi_register_va+0x49/0x80 [ 62.261305] kobject: 'queues' (0000000085e5378a): kobject_uevent_env: filter function caused the event to drop! [ 62.264306] ? ceph_destroy_client+0x1a0/0x1a0 [ 62.264317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.264325] ? super_setup_bdi_name+0x1a5/0x240 [ 62.264333] ? kill_block_super+0x100/0x100 [ 62.264341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.264360] ceph_mount+0x11de/0x1b80 [ 62.268652] kobject: 'rx-0' (000000009d189ba9): kobject_add_internal: parent: 'queues', set: 'queues' [ 62.272541] ? ceph_compare_super+0x520/0x520 [ 62.272557] ? smack_sb_copy_data+0x27e/0x2d0 [ 62.272569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.272580] mount_fs+0xae/0x31d [ 62.272600] vfs_kern_mount.part.35+0xdc/0x4f0 [ 62.276836] kobject: 'rx-0' (000000009d189ba9): kobject_uevent_env [ 62.280694] ? may_umount+0xb0/0xb0 [ 62.280703] ? _raw_read_unlock+0x2c/0x50 [ 62.280712] ? __get_fs_type+0x97/0xc0 [ 62.280723] do_mount+0x581/0x31f0 [ 62.280734] ? copy_mount_string+0x40/0x40 [ 62.280748] ? copy_mount_options+0x5f/0x380 [ 62.280757] ? rcu_read_lock_sched_held+0x108/0x120 [ 62.280768] ? kmem_cache_alloc_trace+0x353/0x750 [ 62.280777] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 62.280793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.284850] kobject: 'rx-0' (000000009d189ba9): fill_kobj_path: path = '/devices/virtual/net/sit0/queues/rx-0' [ 62.294216] ? copy_mount_options+0x288/0x380 [ 62.294229] ksys_mount+0x12d/0x140 [ 62.294240] __x64_sys_mount+0xbe/0x150 [ 62.294253] do_syscall_64+0x1b9/0x820 [ 62.294262] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 62.294272] ? syscall_return_slowpath+0x5e0/0x5e0 [ 62.294280] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 62.294291] ? trace_hardirqs_on_caller+0x310/0x310 [ 62.294300] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 62.294309] ? prepare_exit_to_usermode+0x291/0x3b0 [ 62.294325] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 62.298136] kobject: 'tx-0' (00000000c1322063): kobject_add_internal: parent: 'queues', set: 'queues' [ 62.301921] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 62.301936] RIP: 0033:0x441049 [ 62.301947] Code: e8 6c e8 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 cb 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 62.301952] RSP: 002b:00007ffe83c45bf8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 62.301961] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 0000000000441049 [ 62.301966] RDX: 0000000020000100 RSI: 0000000020000080 RDI: 0000000020000040 [ 62.301971] RBP: 00000000006cb018 R08: 0000000020000140 R09: 0000000000000100 [ 62.301986] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000 [ 62.305912] kobject: 'tx-0' (00000000c1322063): kobject_uevent_env [ 62.309468] R13: 0000000000401f30 R14: 0000000000000000 R15: 0000000000000000 [ 62.314166] Kernel Offset: disabled [ 62.743734] Rebooting in 86400 seconds..