random: sshd: uninitialized urandom read (32 bytes read, 37 bits of entropy available)
random: sshd: uninitialized urandom read (32 bytes read, 103 bits of entropy available)
random: sshd: uninitialized urandom read (32 bytes read, 107 bits of entropy available)
random: sshd: uninitialized urandom read (32 bytes read, 115 bits of entropy available)
==================================================================
BUG: KASAN: slab-out-of-bounds in list_empty include/linux/list.h:189 [inline]
BUG: KASAN: slab-out-of-bounds in sg_remove_request+0xf9/0x110 drivers/scsi/sg.c:2120
Read of size 8 at addr ffff8800b0ab0140 by task syzkaller699022/3694

CPU: 1 PID: 3694 Comm: syzkaller699022 Not tainted 4.4.120-gd63fdf6 #28
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 1bd33f6702a4e651 ffff8801c9ccf9f0 ffffffff81d0408d
 ffffea0002c2ac00 ffff8800b0ab0140 0000000000000000 ffff8800b0ab0140
 ffff8801ca434438 ffff8801c9ccfa28 ffffffff814fe143 ffff8800b0ab0140
Call Trace:
 [<ffffffff81d0408d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d0408d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff814fe143>] print_address_description+0x73/0x260 mm/kasan/report.c:252
 [<ffffffff814fe655>] kasan_report_error mm/kasan/report.c:351 [inline]
 [<ffffffff814fe655>] kasan_report+0x285/0x370 mm/kasan/report.c:408
 [<ffffffff814fe7b4>] __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:429
 [<ffffffff825b8439>] list_empty include/linux/list.h:189 [inline]
 [<ffffffff825b8439>] sg_remove_request+0xf9/0x110 drivers/scsi/sg.c:2120
 [<ffffffff825b89b5>] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1837
 [<ffffffff825ba85b>] sg_read+0xa1b/0x1490 drivers/scsi/sg.c:537
 [<ffffffff8151d801>] do_loop_readv_writev+0x141/0x1e0 fs/read_write.c:680
 [<ffffffff8151fb5d>] do_readv_writev+0x5dd/0x6e0 fs/read_write.c:810
 [<ffffffff8151fcd8>] vfs_readv+0x78/0xb0 fs/read_write.c:834
 [<ffffffff81522009>] SYSC_readv fs/read_write.c:860 [inline]
 [<ffffffff81522009>] SyS_readv+0xd9/0x240 fs/read_write.c:852
 [<ffffffff8377395f>] entry_SYSCALL_64_fastpath+0x1c/0x98

Allocated by task 0:
(stack is not available)

Freed by task 0:
(stack is not available)

The buggy address belongs to the object at ffff8800b0ab0100
 which belongs to the cache fasync_cache of size 96
The buggy address is located 64 bytes inside of
 96-byte region [ffff8800b0ab0100, ffff8800b0ab0160)
The buggy address belongs to the page:
BUG: unable to handle kernel paging request at fffffffdd2e2bc00
IP: [<ffffffff8122b575>] cpuacct_charge+0x155/0x390 kernel/sched/cpuacct.c:247
PGD 420f067 PUD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 3670 Comm: getty Not tainted 4.4.120-gd63fdf6 #28
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801cb1eb000 task.stack: ffff8801cb408000
RIP: 0010:[<ffffffff8122b575>]  [<ffffffff8122b575>] cpuacct_charge+0x155/0x390 kernel/sched/cpuacct.c:247
RSP: 0018:ffff8801cb40f8e0  EFLAGS: 00010046
RAX: 1ffffffff0855007 RBX: 0000000000018528 RCX: ffffffff847eb980
RDX: fffffbffba5c5780 RSI: fffffffdd2e2bc00 RDI: ffffffff842a8038
RBP: ffff8801cb40f928 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 1ffff10039681ee8 R12: ffffffff842a7f60
R13: dffffc0000000000 R14: 000000001c85e7f6 R15: ffffffffc9cc8050
FS:  0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffdd2e2bc00 CR3: 000000000420c000 CR4: 0000000000160670
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffffffff8122b480 ffff8801cb40f910 0000000000000046 0000000000000003
 ffff8800af659860 ffffffff838444e0 000000001c85e7f6 ffff8800af6598b0
 ffff8800af659800 ffff8801cb40f978 ffffffff811dcc77 ffff8801db31f4c0
Call Trace:
 [<ffffffff811dcc77>] update_curr+0x2c7/0x6c0 kernel/sched/fair.c:882
 [<ffffffff811e4e03>] enqueue_entity kernel/sched/fair.c:3511 [inline]
 [<ffffffff811e4e03>] enqueue_task_fair+0x313/0x2940 kernel/sched/fair.c:4694
 [<ffffffff811bbda8>] enqueue_task kernel/sched/core.c:856 [inline]
 [<ffffffff811bbda8>] activate_task+0x148/0x270 kernel/sched/core.c:872
 [<ffffffff811bcd4f>] ttwu_activate kernel/sched/core.c:1734 [inline]
 [<ffffffff811bcd4f>] ttwu_do_activate.constprop.131+0xbf/0x1e0 kernel/sched/core.c:1787
 [<ffffffff811c013d>] ttwu_queue kernel/sched/core.c:1932 [inline]
 [<ffffffff811c013d>] try_to_wake_up+0x68d/0xf60 kernel/sched/core.c:2066
 [<ffffffff811c2cc0>] wake_up_state+0x10/0x20 kernel/sched/core.c:2146
 [<ffffffff81153bc4>] signal_wake_up_state+0x44/0x70 kernel/signal.c:659
 [<ffffffff81153f0d>] signal_wake_up include/linux/sched.h:3319 [inline]
 [<ffffffff81153f0d>] complete_signal+0x2ed/0x700 kernel/signal.c:952
 [<ffffffff81155b1f>] __send_signal+0x90f/0x1330 kernel/signal.c:1080
 [<ffffffff8115658a>] send_signal+0x4a/0xc0 kernel/signal.c:1096
 [<ffffffff8115be6c>] __group_send_sig_info kernel/signal.c:1135 [inline]
 [<ffffffff8115be6c>] do_notify_parent+0x9dc/0xd70 kernel/signal.c:1665
 [<ffffffff81134641>] exit_notify kernel/exit.c:612 [inline]
 [<ffffffff81134641>] do_exit+0x1f41/0x2a10 kernel/exit.c:776
 [<ffffffff811393c8>] do_group_exit+0x108/0x320 kernel/exit.c:885
 [<ffffffff811395fd>] SYSC_exit_group kernel/exit.c:896 [inline]
 [<ffffffff811395fd>] SyS_exit_group+0x1d/0x20 kernel/exit.c:894
 [<ffffffff8377395f>] entry_SYSCALL_64_fastpath+0x1c/0x98
Code: 49 8d bc 24 d8 00 00 00 48 89 f8 48 c1 e8 03 42 80 3c 28 00 0f 85 9e 01 00 00 49 8b 9c 24 d8 00 00 00 80 3a 00 0f 85 0a 02 00 00 <4a> 03 1c f9 48 89 d8 48 c1 e8 03 42 80 3c 28 00 0f 85 cf 01 00 
RIP  [<ffffffff8122b575>] cpuacct_charge+0x155/0x390 kernel/sched/cpuacct.c:247
 RSP <ffff8801cb40f8e0>
CR2: fffffffdd2e2bc00
---[ end trace 2b53df936b6381a9 ]---