[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 30.507516] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 35.197516] random: sshd: uninitialized urandom read (32 bytes read) [ 35.639731] random: sshd: uninitialized urandom read (32 bytes read) [ 36.708683] random: sshd: uninitialized urandom read (32 bytes read) [ 36.917236] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.5' (ECDSA) to the list of known hosts. [ 42.568125] random: sshd: uninitialized urandom read (32 bytes read) 2018/05/16 02:00:42 parsed 1 programs 2018/05/16 02:00:42 executed programs: 0 [ 43.125901] IPVS: ftp: loaded support on port[0] = 21 [ 43.173925] FAULT_INJECTION: forcing a failure. [ 43.173925] name failslab, interval 1, probability 0, space 0, times 1 [ 43.185345] CPU: 1 PID: 4519 Comm: syz-executor0 Not tainted 4.17.0-rc3+ #94 [ 43.192547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.201904] Call Trace: [ 43.204514] dump_stack+0x185/0x1d0 [ 43.208144] should_fail+0x87b/0xab0 [ 43.211862] __should_failslab+0x278/0x2a0 [ 43.216110] should_failslab+0x29/0x70 [ 43.220028] __kmalloc+0xc5/0x350 [ 43.223509] ? __sk_attach_prog+0x5b/0x570 [ 43.227742] ? __sk_attach_prog+0x8c/0x570 [ 43.231977] __sk_attach_prog+0x8c/0x570 [ 43.236060] sk_attach_filter+0x107/0x2e0 [ 43.240209] tun_attach+0x5b2/0x17b0 [ 43.243926] __tun_chr_ioctl+0x5960/0x6880 [ 43.248174] tun_chr_ioctl+0x9c/0xb0 [ 43.251933] ? tun_chr_poll+0x8e0/0x8e0 [ 43.255918] do_vfs_ioctl+0xaf0/0x2440 [ 43.259823] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 43.265209] ? __fget_light+0x1f5/0x710 [ 43.269201] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 43.274574] __x64_sys_ioctl+0x280/0x320 [ 43.278644] do_syscall_64+0x154/0x220 [ 43.282544] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.287725] RIP: 0033:0x455a09 [ 43.290906] RSP: 002b:00007ffd529004b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.298621] RAX: ffffffffffffffda RBX: 0000000001aa0914 RCX: 0000000000455a09 [ 43.305887] RDX: 00000000200000c0 RSI: 00000000400454ca RDI: 0000000000000004 [ 43.313148] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 43.320419] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 43.327683] R13: 000000000000036f R14: 00000000006f9308 R15: 000000000000000c [ 43.365254] FAULT_INJECTION: forcing a failure. [ 43.365254] name failslab, interval 1, probability 0, space 0, times 0 [ 43.376635] CPU: 1 PID: 4521 Comm: syz-executor0 Not tainted 4.17.0-rc3+ #94 [ 43.383819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.393165] Call Trace: [ 43.395753] dump_stack+0x185/0x1d0 [ 43.399380] should_fail+0x87b/0xab0 [ 43.403103] __should_failslab+0x278/0x2a0 [ 43.407352] should_failslab+0x29/0x70 [ 43.411246] __kmalloc+0xc5/0x350 [ 43.414706] ? __sk_attach_prog+0x5b/0x570 [ 43.418936] ? __sk_attach_prog+0x8c/0x570 [ 43.423179] __sk_attach_prog+0x8c/0x570 [ 43.427251] sk_attach_filter+0x107/0x2e0 [ 43.431412] tun_attach+0x5b2/0x17b0 [ 43.435131] __tun_chr_ioctl+0x5960/0x6880 [ 43.439380] tun_chr_ioctl+0x9c/0xb0 [ 43.443107] ? tun_chr_poll+0x8e0/0x8e0 [ 43.447078] do_vfs_ioctl+0xaf0/0x2440 [ 43.450970] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 43.456349] ? __fget_light+0x1f5/0x710 [ 43.460355] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 43.465738] __x64_sys_ioctl+0x280/0x320 [ 43.469801] do_syscall_64+0x154/0x220 [ 43.473687] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.478869] RIP: 0033:0x455a09 [ 43.482053] RSP: 002b:00007ffd529004b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.489759] RAX: ffffffffffffffda RBX: 0000000001aa0914 RCX: 0000000000455a09 [ 43.497033] RDX: 00000000200000c0 RSI: 00000000400454ca RDI: 0000000000000004 [ 43.504301] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 43.511561] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 43.518823] R13: 000000000000036f R14: 00000000006f9308 R15: 000000000000000c [ 43.556192] FAULT_INJECTION: forcing a failure. [ 43.556192] name failslab, interval 1, probability 0, space 0, times 0 [ 43.567549] CPU: 1 PID: 4523 Comm: syz-executor0 Not tainted 4.17.0-rc3+ #94 [ 43.574735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.584084] Call Trace: [ 43.586685] dump_stack+0x185/0x1d0 [ 43.590333] should_fail+0x87b/0xab0 [ 43.594057] __should_failslab+0x278/0x2a0 [ 43.598308] should_failslab+0x29/0x70 [ 43.602203] __kmalloc+0xc5/0x350 [ 43.605669] ? __sk_attach_prog+0x5b/0x570 [ 43.609899] ? __sk_attach_prog+0x8c/0x570 [ 43.614128] __sk_attach_prog+0x8c/0x570 [ 43.618198] sk_attach_filter+0x107/0x2e0 [ 43.622358] tun_attach+0x5b2/0x17b0 [ 43.626080] __tun_chr_ioctl+0x5960/0x6880 [ 43.630323] tun_chr_ioctl+0x9c/0xb0 [ 43.634063] ? tun_chr_poll+0x8e0/0x8e0 [ 43.638048] do_vfs_ioctl+0xaf0/0x2440 [ 43.641955] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 43.647329] ? __fget_light+0x1f5/0x710 [ 43.651310] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 43.656709] __x64_sys_ioctl+0x280/0x320 [ 43.660785] do_syscall_64+0x154/0x220 [ 43.664683] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.669862] RIP: 0033:0x455a09 [ 43.673049] RSP: 002b:00007ffd529004b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.680758] RAX: ffffffffffffffda RBX: 0000000001aa0914 RCX: 0000000000455a09 [ 43.688032] RDX: 00000000200000c0 RSI: 00000000400454ca RDI: 0000000000000004 [ 43.695307] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 43.702567] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 43.709827] R13: 000000000000036f R14: 00000000006f9308 R15: 000000000000000c [ 43.741715] FAULT_INJECTION: forcing a failure. [ 43.741715] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 43.753739] CPU: 1 PID: 4525 Comm: syz-executor0 Not tainted 4.17.0-rc3+ #94 [ 43.760943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.770296] Call Trace: [ 43.772905] dump_stack+0x185/0x1d0 [ 43.776537] should_fail+0x87b/0xab0 [ 43.780267] __alloc_pages_nodemask+0x61c/0x5dd0 [ 43.785061] ? native_apic_mem_read+0x60/0x60 [ 43.789573] ? default_send_IPI_mask_allbutself_phys+0x410/0x410 [ 43.795746] ? __next_zones_zonelist+0x15f/0x290 [ 43.800520] ? __alloc_pages_nodemask+0xf8e/0x5dd0 [ 43.805468] alloc_pages_current+0x6b5/0x970 [ 43.809880] __change_page_attr_set_clr+0x1904/0x5de0 [ 43.815108] __change_page_attr_set_clr+0x4f86/0x5de0 [ 43.820315] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 43.825683] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 43.831083] ? rcu_all_qs+0x32/0x1f0 [ 43.834853] ? mutex_unlock+0x15/0x80 [ 43.838693] change_page_attr_set_clr+0x8ea/0x1e00 [ 43.843638] ? __msan_poison_alloca+0x15c/0x1d0 [ 43.848321] set_memory_ro+0xd0/0x100 [ 43.852130] bpf_prog_select_runtime+0x3a5/0xa40 [ 43.856898] bpf_prepare_filter+0x1a96/0x1b10 [ 43.861401] __get_filter+0x5b7/0x7d0 [ 43.865214] sk_attach_filter+0x72/0x2e0 [ 43.869297] tun_attach+0x5b2/0x17b0 [ 43.873055] __tun_chr_ioctl+0x5960/0x6880 [ 43.877300] tun_chr_ioctl+0x9c/0xb0 [ 43.881046] ? tun_chr_poll+0x8e0/0x8e0 [ 43.885033] do_vfs_ioctl+0xaf0/0x2440 [ 43.888939] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 43.894310] ? __fget_light+0x1f5/0x710 [ 43.898292] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 43.903665] __x64_sys_ioctl+0x280/0x320 [ 43.907737] do_syscall_64+0x154/0x220 [ 43.911626] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.916806] RIP: 0033:0x455a09 [ 43.919987] RSP: 002b:00007ffd529004b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.927703] RAX: ffffffffffffffda RBX: 0000000001aa0914 RCX: 0000000000455a09 [ 43.934964] RDX: 00000000200000c0 RSI: 00000000400454ca RDI: 0000000000000004 [ 43.942227] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 43.949488] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 43.956758] R13: 000000000000036f R14: 00000000006f9308 R15: 000000000000000c [ 43.964259] WARNING: CPU: 1 PID: 4525 at ./include/linux/filter.h:651 bpf_prog_select_runtime+0x95b/0xa40 [ 43.973988] Kernel panic - not syncing: panic_on_warn set ... [ 43.973988] [ 43.981371] CPU: 1 PID: 4525 Comm: syz-executor0 Not tainted 4.17.0-rc3+ #94 [ 43.988557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.997903] Call Trace: [ 44.000493] dump_stack+0x185/0x1d0 [ 44.004121] panic+0x39d/0x940 [ 44.007343] ? disable_trace_on_warning+0x18/0xd0 [ 44.012196] __warn+0x40f/0x580 [ 44.015482] ? bpf_prog_select_runtime+0x95b/0xa40 [ 44.020424] report_bug+0x72a/0x880 [ 44.024066] ? bpf_prog_select_runtime+0x95b/0xa40 [ 44.028998] do_error_trap+0x1cc/0x620 [ 44.032910] ? change_page_attr_set_clr+0xb1c/0x1e00 [ 44.038048] do_invalid_op+0x46/0x50 [ 44.041787] invalid_op+0x14/0x20 [ 44.045240] RIP: 0010:bpf_prog_select_runtime+0x95b/0xa40 [ 44.050763] RSP: 0018:ffff8801c252f7b8 EFLAGS: 00010293 [ 44.056131] RAX: ffffffff8176dc7b RBX: ffff880197c0a618 RCX: ffff880197c09d40 [ 44.063409] RDX: 0000000000000000 RSI: aaaaaaaaaaaab000 RDI: ffffea0000000000 [ 44.070671] RBP: ffff8801c252f888 R08: 00000000000000a7 R09: ffff8801c32ef558 [ 44.077933] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 44.085197] R13: 0000000000000004 R14: 00000000fffffff4 R15: ffffc9000142d000 [ 44.092475] ? bpf_prog_select_runtime+0x95b/0xa40 [ 44.097414] ? bpf_prog_select_runtime+0x95b/0xa40 [ 44.102354] bpf_prepare_filter+0x1a96/0x1b10 [ 44.106857] __get_filter+0x5b7/0x7d0 [ 44.110685] sk_attach_filter+0x72/0x2e0 [ 44.114751] tun_attach+0x5b2/0x17b0 [ 44.118470] __tun_chr_ioctl+0x5960/0x6880 [ 44.122715] tun_chr_ioctl+0x9c/0xb0 [ 44.126438] ? tun_chr_poll+0x8e0/0x8e0 [ 44.130406] do_vfs_ioctl+0xaf0/0x2440 [ 44.134308] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 44.139674] ? __fget_light+0x1f5/0x710 [ 44.143654] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 44.149046] __x64_sys_ioctl+0x280/0x320 [ 44.153112] do_syscall_64+0x154/0x220 [ 44.157001] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.162194] RIP: 0033:0x455a09 [ 44.165385] RSP: 002b:00007ffd529004b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.173091] RAX: ffffffffffffffda RBX: 0000000001aa0914 RCX: 0000000000455a09 [ 44.180353] RDX: 00000000200000c0 RSI: 00000000400454ca RDI: 0000000000000004 [ 44.187614] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 44.194875] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 44.202134] R13: 000000000000036f R14: 00000000006f9308 R15: 000000000000000c [ 44.209862] Dumping ftrace buffer: [ 44.213403] (ftrace buffer empty) [ 44.217100] Kernel Offset: disabled [ 44.220721] Rebooting in 86400 seconds..