[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 18.962703] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 19.585284] random: sshd: uninitialized urandom read (32 bytes read) [ 19.787752] random: sshd: uninitialized urandom read (32 bytes read) Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 20.529321] random: sshd: uninitialized urandom read (32 bytes read) [ 20.692099] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.60' (ECDSA) to the list of known hosts. [ 26.192304] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 26.303006] kasan: CONFIG_KASAN_INLINE enabled [ 26.307742] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 26.315205] general protection fault: 0000 [#1] SMP KASAN [ 26.320746] Dumping ftrace buffer: [ 26.324269] (ftrace buffer empty) [ 26.327960] Modules linked in: [ 26.331139] CPU: 1 PID: 4442 Comm: syz-executor016 Not tainted 4.17.0-rc2+ #48 [ 26.338478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.347837] RIP: 0010:smc_getname+0x124/0x1c0 [ 26.352321] RSP: 0018:ffff8801b8cffbd0 EFLAGS: 00010206 [ 26.357670] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff873e7008 [ 26.364943] RDX: 0000000000000005 RSI: ffffffff873e70a6 RDI: 0000000000000028 [ 26.372207] RBP: ffff8801b8cffbf8 R08: ffff8801b7826280 R09: ffffed0037a31900 [ 26.379474] R10: ffffed0037a31900 R11: ffff8801bd18c803 R12: 0000000000000000 [ 26.386728] R13: ffff8801b8cffcc0 R14: ffff8801afdea480 R15: dffffc0000000000 [ 26.393991] FS: 0000000000000000(0000) GS:ffff8801daf00000(0063) knlGS:000000000820b840 [ 26.402215] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 26.408088] CR2: 0000000020000080 CR3: 00000001b7f54000 CR4: 00000000001406e0 [ 26.415354] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.422629] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.429887] Call Trace: [ 26.432489] __sys_getsockname+0x184/0x380 [ 26.436713] ? __ia32_sys_connect+0xb0/0xb0 [ 26.441024] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 26.446564] ? handle_mm_fault+0x55a/0xc70 [ 26.450785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 26.456310] ? __do_page_fault+0x441/0xe40 [ 26.460540] ? mm_fault_error+0x380/0x380 [ 26.464673] __ia32_sys_getsockname+0x71/0xb0 [ 26.469153] do_fast_syscall_32+0x345/0xf9b [ 26.473472] ? do_int80_syscall_32+0x880/0x880 [ 26.478039] ? do_syscall_64+0x48f/0x800 [ 26.482088] ? syscall_return_slowpath+0x5c0/0x5c0 [ 26.487008] ? syscall_return_slowpath+0x30f/0x5c0 [ 26.491936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 26.497473] ? retint_user+0x18/0x18 [ 26.501182] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 26.506013] entry_SYSENTER_compat+0x70/0x7f [ 26.510407] RIP: 0023:0xf7f73cb9 [ 26.513750] RSP: 002b:00000000ffb5ac4c EFLAGS: 00000286 ORIG_RAX: 000000000000016f [ 26.521436] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 26.529219] RDX: 0000000020000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 26.536476] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 26.543730] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 26.550983] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 26.558248] Code: fa 48 c1 ea 03 80 3c 02 00 0f 85 99 00 00 00 48 8b 9b 50 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 28 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 70 48 b8 00 00 00 00 00 fc ff df 4c 8b 73 28 49 [ 26.577414] RIP: smc_getname+0x124/0x1c0 RSP: ffff8801b8cffbd0 [ 26.583470] ---[ end trace 4ac2bc6824c1f487 ]--- [ 26.588252] Kernel panic - not syncing: Fatal exception [ 26.594158] Dumping ftrace buffer: [ 26.597691] (ftrace buffer empty) [ 26.601388] Kernel Offset: disabled [ 26.605007] Rebooting in 86400 seconds..