random: sshd: uninitialized urandom read (32 bytes read, 105 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:2130
Read of size 8 at addr ffff8800b4a2e140 by task syzkaller273823/3323

CPU: 1 PID: 3323 Comm: syzkaller273823 Not tainted 4.4.111-gf851888 #16
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 074ad797ff57d64b ffff8800b0a97a40 ffffffff81d0507d
 ffffea0002d28b80 ffff8800b4a2e140 0000000000000000 ffff8800b4a2e140
 ffff8800b00d8238 ffff8800b0a97a78 ffffffff814fd433 ffff8800b4a2e140
Call Trace:
 [<ffffffff81d0507d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d0507d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff814fd433>] print_address_description+0x73/0x260 mm/kasan/report.c:252
 [<ffffffff814fd945>] kasan_report_error mm/kasan/report.c:351 [inline]
 [<ffffffff814fd945>] kasan_report+0x285/0x370 mm/kasan/report.c:408
 [<ffffffff814fdaa4>] __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:429
 [<ffffffff825b9ce9>] list_empty include/linux/list.h:189 [inline]
 [<ffffffff825b9ce9>] sg_remove_request+0xf9/0x110 drivers/scsi/sg.c:2130
 [<ffffffff825ba265>] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1848
 [<ffffffff825bc0a1>] sg_read+0xa21/0x1490 drivers/scsi/sg.c:538
 [<ffffffff8151c383>] __vfs_read+0x103/0x440 fs/read_write.c:432
 [<ffffffff8151e223>] vfs_read+0x123/0x3a0 fs/read_write.c:454
 [<ffffffff81520b69>] SYSC_read fs/read_write.c:569 [inline]
 [<ffffffff81520b69>] SyS_read+0xd9/0x1b0 fs/read_write.c:562
 [<ffffffff81006d84>] do_syscall_32_irqs_on arch/x86/entry/common.c:390 [inline]
 [<ffffffff81006d84>] do_fast_syscall_32+0x314/0x890 arch/x86/entry/common.c:457
 [<ffffffff837771ea>] sysenter_flags_fixed+0xd/0x17

Allocated by task 0:
(stack is not available)

Freed by task 0:
(stack is not available)

The buggy address belongs to the object at ffff8800b4a2e100
 which belongs to the cache fasync_cache of size 96
The buggy address is located 64 bytes inside of
 96-byte region [ffff8800b4a2e100, ffff8800b4a2e160)
The buggy address belongs to the page:
BUG: unable to handle kernel paging request at fffff940005a5170
IP: [<ffffffff81d35d39>] memset_erms+0x9/0x10 arch/x86/lib/memset_64.S:61
PGD 49df067 PUD 49de063 PMD 49dd063 PTE 80000000049e0161
Oops: 0003 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 1 Comm: init Not tainted 4.4.111-gf851888 #16
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801da308000 task.stack: ffff8801da310000
RIP: 0010:[<ffffffff81d35d39>]  [<ffffffff81d35d39>] memset_erms+0x9/0x10 arch/x86/lib/memset_64.S:61
RSP: 0018:ffff8801da317b70  EFLAGS: 00010206
RAX: 1ffffd40005a5100 RBX: fffff940005a5187 RCX: 0000000000000017
RDX: 0000000000000017 RSI: 0000000000000000 RDI: fffff940005a5170
RBP: ffff8801da317b88 R08: ffffed003b462f63 R09: fffff940005a5170
R10: 0000000000000000 R11: ffffed003b462f63 R12: 00000000000000b8
R13: 00000000024000c0 R14: ffffea0002d28c38 R15: ffff8801da263140
FS:  00007f9dff6667a0(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffff940005a5170 CR3: 00000001d4508000 CR4: 0000000000160670
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffffffff814fc5f5 ffffea0002d28c37 ffffea0002d28b80 ffff8801da317bc8
 ffffffff814fc710 00000000000000b8 4000000000000080 00000000024000c0
 ffffffff81129a24 ffffea0002d28b80 ffff8801da263140 ffff8801da317bd8
Call Trace:
 [<ffffffff814fc710>] kasan_kmalloc+0x50/0xe0 mm/kasan/kasan.c:611
 [<ffffffff814fcd42>] kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:554
 [<ffffffff814f840a>] slab_post_alloc_hook mm/slub.c:1349 [inline]
 [<ffffffff814f840a>] slab_alloc_node mm/slub.c:2615 [inline]
 [<ffffffff814f840a>] slab_alloc mm/slub.c:2623 [inline]
 [<ffffffff814f840a>] kmem_cache_alloc+0xba/0x290 mm/slub.c:2628
 [<ffffffff81129a24>] dup_mmap kernel/fork.c:460 [inline]
 [<ffffffff81129a24>] dup_mm kernel/fork.c:983 [inline]
 [<ffffffff81129a24>] copy_mm kernel/fork.c:1037 [inline]
 [<ffffffff81129a24>] copy_process+0x47f4/0x6120 kernel/fork.c:1503
 [<ffffffff8112b771>] _do_fork+0x151/0xe00 kernel/fork.c:1784
 [<ffffffff8112c4f7>] SYSC_clone kernel/fork.c:1893 [inline]
 [<ffffffff8112c4f7>] SyS_clone+0x37/0x50 kernel/fork.c:1887
 [<ffffffff83775859>] entry_SYSCALL_64_fastpath+0x16/0x92
Code: 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 f3 48 ab 89 d1 f3 aa 4c 89 c8 c3 90 49 89 f9 40 88 f0 48 89 d1 <f3> aa 4c 89 c8 c3 90 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 
RIP  [<ffffffff81d35d39>] memset_erms+0x9/0x10 arch/x86/lib/memset_64.S:61
 RSP <ffff8801da317b70>
CR2: fffff940005a5170
---[ end trace 59fe3327ee7cf4d4 ]---