random: sshd: uninitialized urandom read (32 bytes read, 112 bits of entropy available) kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 3313 Comm: syzkaller508285 Not tainted 4.4.107-g610c835 #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801d1f82f80 task.stack: ffff8801d0aa8000 RIP: 0010:[] [] sg_read_oxfer drivers/scsi/sg.c:1986 [inline] RIP: 0010:[] [] sg_read+0xd1d/0x1490 drivers/scsi/sg.c:531 RSP: 0018:ffff8801d0aafa80 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff825bb194 RDX: 0000000000000000 RSI: 0000000020188024 RDI: ffff8800b4170170 RBP: ffff8801d0aafb88 R08: b54c6d8b5ad7cb0c R09: 0000000000000001 R10: 0000000000000000 R11: 1ffff1003a155f16 R12: 000000000000006e R13: 0000000000000000 R14: ffff8801d0fdc720 R15: ffff8800b4170140 FS: 0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:0000000009870840 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000020188000 CR3: 00000001d0f91000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: 0000000000000022 0000000000000022 ffff8801d0aafc40 ffff8800b4170158 0000000000000282 ffff8800b4170168 0000000000000092 00000000c454cd53 ffff8800b7d1f680 0000000000001000 1ffff1003a155f5c 0000000020188024 Call Trace: [] do_loop_readv_writev+0x141/0x1e0 fs/read_write.c:680 [] compat_do_readv_writev+0x5df/0x6e0 fs/read_write.c:984 [] compat_readv+0xd9/0x140 fs/read_write.c:1013 [] C_SYSC_readv fs/read_write.c:1033 [inline] [] compat_SyS_readv+0xd8/0x1b0 fs/read_write.c:1022 [] do_syscall_32_irqs_on arch/x86/entry/common.c:390 [inline] [] do_fast_syscall_32+0x314/0x890 arch/x86/entry/common.c:457 [] sysenter_flags_fixed+0xd/0x17 Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 97 06 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5f 28 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 6b 06 00 00 48 8b 1b 48 85 db 0f 84 3b 03 00 RIP [] sg_read_oxfer drivers/scsi/sg.c:1986 [inline] RIP [] sg_read+0xd1d/0x1490 drivers/scsi/sg.c:531 RSP ---[ end trace d3f4837d55cb365c ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..