random: sshd: uninitialized urandom read (32 bytes read, 110 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: 1 PID: 3320 Comm: syzkaller245471 Not tainted 4.4.107-g610c835 #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8800b4eec740 task.stack: ffff8801d0848000 RIP: 0010:[] [] sg_read_oxfer drivers/scsi/sg.c:1986 [inline] RIP: 0010:[] [] sg_read+0xd1d/0x1490 drivers/scsi/sg.c:531 RSP: 0018:ffff8801d084fa80 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff825bb194 RDX: 0000000000000000 RSI: 000000002066ffd5 RDI: ffff8801cc644370 RBP: ffff8801d084fb88 R08: 8551c99c2a45b4bd R09: 0000000000000001 R10: 0000000000000000 R11: 1ffff1003a109f16 R12: 000000000000002b R13: 0000000000000000 R14: ffff8801d0fbb240 R15: ffff8801cc644340 FS: 0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:0000000009477840 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000002066ffb1 CR3: 00000001d1497000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffffffff810dbb17 ffffffff83775058 ffff8800b4eec740 ffff8801cc644358 000000000000028a ffff8801cc644368 000000000000004f 0000000000000002 ffff8800b7de3400 0000000000001000 1ffff1003a109f5c 000000002066ffd5 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 38f846059fec801c ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..