random: sshd: uninitialized urandom read (32 bytes read, 123 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 ffff8801d29d0140 by task syzkaller754598/3322

CPU: 1 PID: 3322 Comm: syzkaller754598 Not tainted 4.4.113-gef588ef #33
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 be93389757466384 ffff8801d013fab0 ffffffff81d0278d
 ffffea00074a7400 ffff8801d29d0140 0000000000000000 ffff8801d29d0140
 ffff8801d0afa338 ffff8801d013fae8 ffffffff814fd053 ffff8801d29d0140
Call Trace:
 [<ffffffff81d0278d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d0278d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff814fd053>] print_address_description+0x73/0x260 mm/kasan/report.c:252
 [<ffffffff814fd565>] kasan_report_error mm/kasan/report.c:351 [inline]
 [<ffffffff814fd565>] kasan_report+0x285/0x370 mm/kasan/report.c:408
 [<ffffffff814fd6c4>] __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:429
 [<ffffffff825b6d79>] list_empty include/linux/list.h:189 [inline]
 [<ffffffff825b6d79>] sg_remove_request+0xf9/0x110 drivers/scsi/sg.c:2120
 [<ffffffff825b72f5>] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1837
 [<ffffffff825b919b>] sg_read+0xa1b/0x1490 drivers/scsi/sg.c:537
 [<ffffffff8151bc93>] __vfs_read+0x103/0x440 fs/read_write.c:432
 [<ffffffff8151db33>] vfs_read+0x123/0x3a0 fs/read_write.c:454
 [<ffffffff81520479>] SYSC_read fs/read_write.c:569 [inline]
 [<ffffffff81520479>] SyS_read+0xd9/0x1b0 fs/read_write.c:562
 [<ffffffff83771b5f>] 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 ffff8801d29d0100
 which belongs to the cache fasync_cache of size 96
The buggy address is located 64 bytes inside of
 96-byte region [ffff8801d29d0100, ffff8801d29d0160)
The buggy address belongs to the page:
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: 1 Comm: init Not tainted 4.4.113-gef588ef #33
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801da308000 task.stack: ffff8801da310000
RIP: 0010:[<ffffffff81b5cc34>]  [<ffffffff81b5cc34>] inode_has_perm security/selinux/hooks.c:1630 [inline]
RIP: 0010:[<ffffffff81b5cc34>]  [<ffffffff81b5cc34>] path_has_perm security/selinux/hooks.c:1660 [inline]
RIP: 0010:[<ffffffff81b5cc34>]  [<ffffffff81b5cc34>] selinux_inode_getattr+0x1e4/0x300 security/selinux/hooks.c:2957
RSP: 0018:ffff8801da317c98  EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 1ffff1003b462f94 RCX: ffffffff81b5cba4
RDX: 0000000000000004 RSI: ffff8801da317e70 RDI: 0000000000000020
RBP: ffff8801da317d40 R08: ffff8801da317940 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801cf62cec8 R14: 0000000000000001 R15: 0000000000000000
FS:  00007f06ecbad7a0(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000cc73e0 CR3: 00000001d4112000 CR4: 0000000000160670
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffff8801d0ac801c 0000000041b58ab3 ffffffff83fc9254 ffffffff81b5ca50
 ffff8801da317d10 ffffffff81daaf01 ffff8801d472a820 ffff8800b6512840
 ffff8801d0ac801c 0000008000000000 ffff8801d0ac8000 0000000000000000
Call Trace:
 [<ffffffff81b41dfc>] security_inode_getattr+0xec/0x140 security/security.c:620
 [<ffffffff8152a49c>] vfs_getattr+0x1c/0x50 fs/stat.c:69
 [<ffffffff8152a621>] vfs_fstatat+0xe1/0x170 fs/stat.c:110
 [<ffffffff8152b7e6>] vfs_stat fs/stat.c:123 [inline]
 [<ffffffff8152b7e6>] SYSC_newstat+0x86/0x100 fs/stat.c:270
 [<ffffffff8152bc0d>] SyS_newstat+0x1d/0x30 fs/stat.c:266
 [<ffffffff83771b5f>] entry_SYSCALL_64_fastpath+0x1c/0x98
Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 1f 01 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 65 38 49 8d 7c 24 20 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 01 0f 8e bb 00 00 00 49 8d 7c 24 1c 
RIP  [<ffffffff81b5cc34>] inode_has_perm security/selinux/hooks.c:1630 [inline]
RIP  [<ffffffff81b5cc34>] path_has_perm security/selinux/hooks.c:1660 [inline]
RIP  [<ffffffff81b5cc34>] selinux_inode_getattr+0x1e4/0x300 security/selinux/hooks.c:2957
 RSP <ffff8801da317c98>
BUG: unable to handle kernel paging request at fffffffe051ab780
IP: [<ffffffff8122a525>] cpuacct_charge+0x155/0x390 kernel/sched/cpuacct.c:247
PGD 420f067 PUD 0 
Oops: 0000 [#2] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 3160 Comm: rsyslogd Tainted: G      D         4.4.113-gef588ef #33
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8800b6ec2f80 task.stack: ffff8800b6a40000
RIP: 0010:[<ffffffff8122a525>]  [<ffffffff8122a525>] cpuacct_charge+0x155/0x390 kernel/sched/cpuacct.c:247
RSP: 0000:ffff8800b6a47730  EFLAGS: 00010046
RAX: 1ffffffff0854fff RBX: 0000000000018528 RCX: ffffffff847eb500
RDX: fffffbffc0a356f0 RSI: fffffffe051ab780 RDI: ffffffff842a7ff8
RBP: ffff8800b6a47778 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff83844340 R11: 1ffff10016d48eb2 R12: ffffffff842a7f20
R13: dffffc0000000000 R14: 00000000473dc8bb R15: ffffffffd0138050
FS:  00007f73d127c700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffe051ab780 CR3: 00000000b7168000 CR4: 0000000000160670
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffffffff8122a430 0000000000000046 ffff8800b6a47780 ffffffff81d6253b
 ffff8801d1f947a0 ffffffff83844340 00000000473dc8bb ffff8801d1f947f0
 ffff8801d1f94740 ffff8800b6a477c8 ffffffff811dbea7 ffff8801db31f4c0
Call Trace:
 [<ffffffff811dbea7>] update_curr+0x2c7/0x6c0 kernel/sched/fair.c:882
 [<ffffffff811e4033>] enqueue_entity kernel/sched/fair.c:3511 [inline]
 [<ffffffff811e4033>] enqueue_task_fair+0x313/0x2940 kernel/sched/fair.c:4694
 [<ffffffff811bb7f8>] enqueue_task kernel/sched/core.c:856 [inline]
 [<ffffffff811bb7f8>] activate_task+0x148/0x270 kernel/sched/core.c:872
 [<ffffffff811bc79f>] ttwu_activate kernel/sched/core.c:1734 [inline]
 [<ffffffff811bc79f>] ttwu_do_activate.constprop.131+0xbf/0x1e0 kernel/sched/core.c:1787
 [<ffffffff811bfb8d>] ttwu_queue kernel/sched/core.c:1932 [inline]
 [<ffffffff811bfb8d>] try_to_wake_up+0x68d/0xf60 kernel/sched/core.c:2066
 [<ffffffff811c2710>] wake_up_state+0x10/0x20 kernel/sched/core.c:2146
 [<ffffffff81153c14>] signal_wake_up_state+0x44/0x70 kernel/signal.c:659
 [<ffffffff816407c9>] signal_wake_up include/linux/sched.h:3307 [inline]
 [<ffffffff816407c9>] zap_process+0x1c9/0x290 fs/coredump.c:301
 [<ffffffff81641db4>] zap_threads fs/coredump.c:320 [inline]
 [<ffffffff81641db4>] coredump_wait fs/coredump.c:397 [inline]
 [<ffffffff81641db4>] do_coredump+0x664/0x2980 fs/coredump.c:562
 [<ffffffff8115c942>] get_signal+0x5c2/0x1550 kernel/signal.c:2311
 [<ffffffff8100e7fb>] do_signal+0x8b/0x1d40 arch/x86/kernel/signal.c:712
 [<ffffffff810035fa>] exit_to_usermode_loop+0x11a/0x160 arch/x86/entry/common.c:247
 [<ffffffff81006363>] prepare_exit_to_usermode+0xe3/0x100 arch/x86/entry/common.c:282
 [<ffffffff83772708>] retint_user+0x8/0x3c
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  [<ffffffff8122a525>] cpuacct_charge+0x155/0x390 kernel/sched/cpuacct.c:247
 RSP <ffff8800b6a47730>
CR2: fffffffe051ab780
---[ end trace ea05e9124befa970 ]---