[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[   31.992480] random: sshd: uninitialized urandom read (32 bytes read)
[?25l[?1c7[ ok 8[?25h[?0c.
[   33.160889] random: sshd: uninitialized urandom read (32 bytes read)

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   33.491606] random: sshd: uninitialized urandom read (32 bytes read)
[   34.708260] random: sshd: uninitialized urandom read (32 bytes read)
[   34.930595] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.10.7' (ECDSA) to the list of known hosts.
[   40.402866] random: sshd: uninitialized urandom read (32 bytes read)
2018/05/11 18:11:32 parsed 1 programs
2018/05/11 18:11:32 executed programs: 0
[   40.958620] IPVS: ftp: loaded support on port[0] = 21
[   41.010359] FAULT_INJECTION: forcing a failure.
[   41.010359] name fail_page_alloc, interval 1, probability 0, space 0, times 1
[   41.022400] CPU: 0 PID: 4527 Comm: syz-executor0 Not tainted 4.17.0-rc3+ #88
[   41.029602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   41.038974] Call Trace:
[   41.041588]  dump_stack+0x185/0x1d0
[   41.045221]  should_fail+0x87b/0xab0
[   41.048958]  __alloc_pages_nodemask+0x61c/0x5dd0
[   41.053728]  ? __kernel_text_address+0x34/0xe0
[   41.058401]  ? __msan_metadata_ptr_for_store_8+0x13/0x20
[   41.063890]  ? __alloc_pages_nodemask+0xf8e/0x5dd0
[   41.068829]  alloc_pages_current+0x6b5/0x970
[   41.073243]  __change_page_attr_set_clr+0x1904/0x5de0
[   41.078461]  ? update_load_avg+0x21fe/0x2d00
[   41.082907]  __change_page_attr_set_clr+0x4f86/0x5de0
[   41.088099]  ? rcu_segcblist_enqueue+0x189/0x2d0
[   41.092882]  ? kmsan_set_origin_inline+0x6b/0x120
[   41.097727]  ? __msan_poison_alloca+0x15c/0x1d0
[   41.102400]  ? __purge_vmap_area_lazy+0x2f0/0x3b0
[   41.107277]  ? __purge_vmap_area_lazy+0x2f0/0x3b0
[   41.112149]  ? __purge_vmap_area_lazy+0x369/0x3b0
[   41.117051]  ? mutex_unlock+0x15/0x80
[   41.120877]  change_page_attr_set_clr+0x8ea/0x1e00
[   41.125856]  set_memory_ro+0xd0/0x100
[   41.129690]  bpf_prog_select_runtime+0x3a5/0xa40
[   41.134503]  bpf_prepare_filter+0x1a96/0x1b10
[   41.139059]  ? seccomp_log+0x460/0x460
[   41.142979]  bpf_prog_create_from_user+0x598/0x8c0
[   41.148293]  ? seccomp_log+0x460/0x460
[   41.152208]  do_seccomp+0xaa5/0x2060
[   41.155959]  __x64_sys_seccomp+0xdb/0x120
[   41.160121]  do_syscall_64+0x154/0x220
[   41.164023]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   41.169215] RIP: 0033:0x455979
[   41.172396] RSP: 002b:00007ffc5d486838 EFLAGS: 00000246 ORIG_RAX: 000000000000013d
[   41.180110] RAX: ffffffffffffffda RBX: 0000000000e19914 RCX: 0000000000455979
[   41.187952] RDX: 0000000020028ff0 RSI: 0000000000000000 RDI: 0000000000000001
[   41.195226] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
[   41.202493] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
[   41.209759] R13: 0000000000000501 R14: 00000000006fb8b8 R15: 000000000000000b
[   41.217354] WARNING: CPU: 0 PID: 4527 at ./include/linux/filter.h:651 bpf_prog_select_runtime+0x95b/0xa40
[   41.227089] Kernel panic - not syncing: panic_on_warn set ...
[   41.227089] 
[   41.234472] CPU: 0 PID: 4527 Comm: syz-executor0 Not tainted 4.17.0-rc3+ #88
[   41.241648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   41.250995] Call Trace:
[   41.253604]  dump_stack+0x185/0x1d0
[   41.257235]  panic+0x39d/0x940
[   41.260451]  ? disable_trace_on_warning+0x18/0xd0
[   41.265307]  __warn+0x40f/0x580
[   41.268611]  ? bpf_prog_select_runtime+0x95b/0xa40
[   41.273584]  report_bug+0x72a/0x880
[   41.277228]  ? bpf_prog_select_runtime+0x95b/0xa40
[   41.285237]  do_error_trap+0x1aa/0x600
[   41.289246]  ? change_page_attr_set_clr+0xb1c/0x1e00
[   41.294406]  do_invalid_op+0x46/0x50
[   41.298175]  invalid_op+0x14/0x20
[   41.301644] RIP: 0010:bpf_prog_select_runtime+0x95b/0xa40
[   41.307178] RSP: 0018:ffff8801cab1fae0 EFLAGS: 00010293
[   41.312543] RAX: ffffffff8176fecb RBX: ffff8801c68d08d8 RCX: ffff8801c68d0000
[   41.319818] RDX: 0000000000000000 RSI: aaaaaaaaaaaab000 RDI: ffffea0000000000
[   41.327085] RBP: ffff8801cab1fbb0 R08: 00000000000000a3 R09: ffff8801bea4f880
[   41.334366] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[   41.341655] R13: 0000000000000004 R14: 00000000fffffff4 R15: ffffc90001895000
[   41.348971]  ? bpf_prog_select_runtime+0x95b/0xa40
[   41.353952]  bpf_prepare_filter+0x1a96/0x1b10
[   41.358476]  ? seccomp_log+0x460/0x460
[   41.362401]  bpf_prog_create_from_user+0x598/0x8c0
[   41.367362]  ? seccomp_log+0x460/0x460
[   41.371279]  do_seccomp+0xaa5/0x2060
[   41.375050]  __x64_sys_seccomp+0xdb/0x120
[   41.379201]  do_syscall_64+0x154/0x220
[   41.383094]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   41.388277] RIP: 0033:0x455979
[   41.391456] RSP: 002b:00007ffc5d486838 EFLAGS: 00000246 ORIG_RAX: 000000000000013d
[   41.399165] RAX: ffffffffffffffda RBX: 0000000000e19914 RCX: 0000000000455979
[   41.406432] RDX: 0000000020028ff0 RSI: 0000000000000000 RDI: 0000000000000001
[   41.413695] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
[   41.420960] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
[   41.428233] R13: 0000000000000501 R14: 00000000006fb8b8 R15: 000000000000000b
[   41.435971] Dumping ftrace buffer:
[   41.439507]    (ftrace buffer empty)
[   41.443205] Kernel Offset: disabled
[   41.446837] Rebooting in 86400 seconds..