[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 19.406763] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 21.871849] random: sshd: uninitialized urandom read (32 bytes read) [ 22.220844] random: sshd: uninitialized urandom read (32 bytes read) [ 23.061398] random: sshd: uninitialized urandom read (32 bytes read) [ 23.223459] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.47' (ECDSA) to the list of known hosts. [ 28.678699] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 28.775453] kasan: CONFIG_KASAN_INLINE enabled [ 28.780141] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 28.787532] general protection fault: 0000 [#1] SMP KASAN [ 28.793093] CPU: 1 PID: 4551 Comm: syz-executor938 Not tainted 4.18.0-rc4+ #141 [ 28.800529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.809880] RIP: 0010:in_aton+0x3e/0x180 [ 28.813926] Code: f6 41 55 41 54 49 89 fc 53 48 83 ec 08 c7 45 d4 00 00 00 00 e8 a3 a5 7c fb 4c 89 e0 4c 89 e2 c1 65 d4 08 48 c1 e8 03 83 e2 07 <42> 0f b6 04 38 38 d0 7f 08 84 c0 0f 85 1a 01 00 00 41 0f be 1c 24 [ 28.833099] RSP: 0018:ffff8801ac98f1e0 EFLAGS: 00010246 [ 28.838454] RAX: 0000000000000000 RBX: ffff8801ae6f9664 RCX: ffffffff87685d49 [ 28.845711] RDX: 0000000000000000 RSI: ffffffff85ff65fd RDI: 0000000000000000 [ 28.852970] RBP: ffff8801ac98f210 R08: ffff8801acb36680 R09: ffffed0035931e01 [ 28.860225] R10: ffffed0035931e01 R11: 0000000000000003 R12: 0000000000000000 [ 28.867483] R13: dffffc0000000000 R14: 0000000000000000 R15: dffffc0000000000 [ 28.874742] FS: 0000000001391880(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 [ 28.882947] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.888811] CR2: 0000000000455060 CR3: 00000001d9049000 CR4: 00000000001406e0 [ 28.896075] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.903329] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.910578] Call Trace: [ 28.913169] rdma_create_trans+0xdbe/0x1ed0 [ 28.917472] ? recv_done+0x570/0x570 [ 28.921166] ? mount_fs+0xae/0x328 [ 28.924686] ? do_mount+0x581/0x30e0 [ 28.928378] ? ksys_mount+0x12d/0x140 [ 28.932167] ? __x64_sys_mount+0xbe/0x150 [ 28.936309] ? do_syscall_64+0x1b9/0x820 [ 28.940351] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 28.945708] ? find_held_lock+0x36/0x1c0 [ 28.949756] ? kasan_check_read+0x11/0x20 [ 28.953898] ? rcu_is_watching+0x8c/0x150 [ 28.958033] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 28.963117] ? rcu_pm_notify+0xc0/0xc0 [ 28.967001] ? p9_idpool_create+0x42/0x190 [ 28.971237] ? rcu_read_lock_sched_held+0x108/0x120 [ 28.976245] ? kmem_cache_alloc_trace+0x616/0x780 [ 28.981084] ? __lockdep_init_map+0x105/0x590 [ 28.985676] ? lockdep_init_map+0x9/0x10 [ 28.989734] p9_client_create+0x915/0x16c9 [ 28.993972] ? p9_client_read+0xc60/0xc60 [ 28.998105] ? find_held_lock+0x36/0x1c0 [ 29.002151] ? __lockdep_init_map+0x105/0x590 [ 29.006632] ? kasan_check_write+0x14/0x20 [ 29.010863] ? __init_rwsem+0x1cc/0x2a0 [ 29.014838] ? do_raw_write_unlock.cold.8+0x49/0x49 [ 29.019841] ? rcu_read_lock_sched_held+0x108/0x120 [ 29.024842] ? __kmalloc_track_caller+0x5f5/0x760 [ 29.029665] ? save_stack+0xa9/0xd0 [ 29.033289] ? save_stack+0x43/0xd0 [ 29.036907] ? kasan_kmalloc+0xc4/0xe0 [ 29.040787] ? kmem_cache_alloc_trace+0x152/0x780 [ 29.045616] ? memcpy+0x45/0x50 [ 29.048885] v9fs_session_init+0x21a/0x1a80 [ 29.053197] ? find_held_lock+0x36/0x1c0 [ 29.057329] ? v9fs_show_options+0x7e0/0x7e0 [ 29.061734] ? kasan_check_read+0x11/0x20 [ 29.065877] ? rcu_is_watching+0x8c/0x150 [ 29.070023] ? rcu_pm_notify+0xc0/0xc0 [ 29.073900] ? v9fs_mount+0x61/0x900 [ 29.077592] ? rcu_read_lock_sched_held+0x108/0x120 [ 29.082596] ? kmem_cache_alloc_trace+0x616/0x780 [ 29.087433] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 29.092957] v9fs_mount+0x7c/0x900 [ 29.096494] mount_fs+0xae/0x328 [ 29.099855] vfs_kern_mount.part.34+0xdc/0x4e0 [ 29.104430] ? may_umount+0xb0/0xb0 [ 29.108055] ? _raw_read_unlock+0x22/0x30 [ 29.112194] ? __get_fs_type+0x97/0xc0 [ 29.116070] do_mount+0x581/0x30e0 [ 29.119610] ? copy_mount_string+0x40/0x40 [ 29.123840] ? copy_mount_options+0x5f/0x380 [ 29.128247] ? rcu_read_lock_sched_held+0x108/0x120 [ 29.133242] ? kmem_cache_alloc_trace+0x616/0x780 [ 29.138069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 29.143585] ? copy_mount_options+0x285/0x380 [ 29.148061] ksys_mount+0x12d/0x140 [ 29.151675] __x64_sys_mount+0xbe/0x150 [ 29.155647] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.160645] do_syscall_64+0x1b9/0x820 [ 29.164519] ? syscall_return_slowpath+0x5e0/0x5e0 [ 29.169432] ? syscall_return_slowpath+0x31d/0x5e0 [ 29.174344] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 29.179688] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.184515] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 29.189691] RIP: 0033:0x440279 [ 29.192865] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 29.212019] RSP: 002b:00007ffd492c4098 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 29.219722] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 0000000000440279 [ 29.227014] RDX: 0000000020000340 RSI: 00000000200000c0 RDI: 0000000000000000 [ 29.234293] RBP: 00000000006ca018 R08: 0000000020000180 R09: 00000000004002c8 [ 29.241550] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000401b00 [ 29.248803] R13: 0000000000401b90 R14: 0000000000000000 R15: 0000000000000000 [ 29.256057] Modules linked in: [ 29.259234] Dumping ftrace buffer: [ 29.262842] (ftrace buffer empty) [ 29.266876] ---[ end trace d217ffeab469ae9b ]--- [ 29.271678] RIP: 0010:in_aton+0x3e/0x180 [ 29.275760] Code: f6 41 55 41 54 49 89 fc 53 48 83 ec 08 c7 45 d4 00 00 00 00 e8 a3 a5 7c fb 4c 89 e0 4c 89 e2 c1 65 d4 08 48 c1 e8 03 83 e2 07 <42> 0f b6 04 38 38 d0 7f 08 84 c0 0f 85 1a 01 00 00 41 0f be 1c 24 [ 29.295037] RSP: 0018:ffff8801ac98f1e0 EFLAGS: 00010246 [ 29.300420] RAX: 0000000000000000 RBX: ffff8801ae6f9664 RCX: ffffffff87685d49 [ 29.307718] RDX: 0000000000000000 RSI: ffffffff85ff65fd RDI: 0000000000000000 [ 29.315030] RBP: ffff8801ac98f210 R08: ffff8801acb36680 R09: ffffed0035931e01 [ 29.322315] R10: ffffed0035931e01 R11: 0000000000000003 R12: 0000000000000000 [ 29.329626] R13: dffffc0000000000 R14: 0000000000000000 R15: dffffc0000000000 [ 29.336925] FS: 0000000001391880(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 [ 29.345161] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.351056] CR2: 0000000000455060 CR3: 00000001d9049000 CR4: 00000000001406e0 [ 29.358864] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.366144] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.373420] Kernel panic - not syncing: Fatal exception [ 29.379254] Dumping ftrace buffer: [ 29.382795] (ftrace buffer empty) [ 29.386498] Kernel Offset: disabled [ 29.390112] Rebooting in 86400 seconds..