sg_write: data in/out 343638392/8 bytes for SCSI command 0x0-- guessing data in;
   program syz-executor7 not setting count and/or reply_len properly
==================================================================
BUG: KASAN: wild-memory-access in __copy_to_user arch/x86/include/asm/uaccess_64.h:182 [inline]
BUG: KASAN: wild-memory-access in sg_read_oxfer drivers/scsi/sg.c:1970 [inline]
BUG: KASAN: wild-memory-access in sg_read+0x12c5/0x1470 drivers/scsi/sg.c:519
Read of size 118 at addr ffe70873f8453000 by task syz-executor7/7994

CPU: 1 PID: 7994 Comm: syz-executor7 Not tainted 4.9.89-g960923f #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801ca75fad8 ffffffff81d96069 ffe70873f8453000 0000000000000076
 0000000000000000 ffff8801cdde1600 ffff8801c7efa240 ffff8801ca75fb20
 ffffffff8153ed02[   49.126519] audit: type=1400 audit(1521715587.667:36): avc:  denied  { read } for  pid=8022 comm="syz-executor5" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1
 ffffffff8266ca15 0000000000000286 208c865e23fc3e67
 [<ffffffff81d96069>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d96069>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8153ed02>] kasan_report_error mm/kasan/report.c:353 [inline]
 [<ffffffff8153ed02>] kasan_report+0x162/0x380 mm/kasan/report.c:412
 [<ffffffff8153d727>] check_memory_region_inline mm/kasan/kasan.c:318 [inline]
 [<ffffffff8153d727>] check_memory_region+0x137/0x190 mm/kasan/kasan.c:325
 [<ffffffff8153d791>] kasan_check_read+0x11/0x20 mm/kasan/kasan.c:330
 [<ffffffff8266ca15>] __copy_to_user arch/x86/include/asm/uaccess_64.h:182 [inline]
 [<ffffffff8266ca15>] sg_read_oxfer drivers/scsi/sg.c:1970 [inline]
 [<ffffffff8266ca15>] sg_read+0x12c5/0x1470 drivers/scsi/sg.c:519
 [<ffffffff8156c933>] __vfs_read+0x103/0x670 fs/read_write.c:449
 [<ffffffff8157084e>] vfs_read+0x11e/0x380 fs/read_write.c:472
 [<ffffffff81574549>] SYSC_read fs/read_write.c:588 [inline]
 [<ffffffff81574549>] SyS_read+0xd9/0x1b0 fs/read_write.c:581
 [<ffffffff81006f95>] do_syscall_32_irqs_on arch/x86/entry/common.c:325 [inline]
 [<ffffffff81006f95>] do_fast_syscall_32+0x2f5/0x870 arch/x86/entry/common.c:387
 [<ffffffff838b9210>] entry_SYSENTER_compat+0x90/0xa2 arch/x86/entry/entry_64_compat.S:137
==================================================================
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 7994 Comm: syz-executor7 Tainted: G    B           4.9.89-g960923f #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801ca75f9f8 ffffffff81d96069 ffffffff841982a7 ffff8801ca75fad0
 0000000000000000 ffff8801cdde1600 ffff8801c7efa240 ffff8801ca75fac0
 ffffffff8142fbd1 0000000041b58ab3 ffffffff8418bd08 ffffffff8142fa15
Call Trace:
 [<ffffffff81d96069>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d96069>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8142fbd1>] panic+0x1bc/0x3a8 kernel/panic.c:179
 [<ffffffff8153e860>] kasan_end_report+0x50/0x50 mm/kasan/report.c:180
 [<ffffffff8153ed0b>] kasan_report_error mm/kasan/report.c:360 [inline]
 [<ffffffff8153ed0b>] kasan_report+0x16b/0x380 mm/kasan/report.c:412
 [<ffffffff8153d727>] check_memory_region_inline mm/kasan/kasan.c:318 [inline]
 [<ffffffff8153d727>] check_memory_region+0x137/0x190 mm/kasan/kasan.c:325
 [<ffffffff8153d791>] kasan_check_read+0x11/0x20 mm/kasan/kasan.c:330
 [<ffffffff8266ca15>] __copy_to_user arch/x86/include/asm/uaccess_64.h:182 [inline]
 [<ffffffff8266ca15>] sg_read_oxfer drivers/scsi/sg.c:1970 [inline]
 [<ffffffff8266ca15>] sg_read+0x12c5/0x1470 drivers/scsi/sg.c:519
 [<ffffffff8156c933>] __vfs_read+0x103/0x670 fs/read_write.c:449
 [<ffffffff8157084e>] vfs_read+0x11e/0x380 fs/read_write.c:472
 [<ffffffff81574549>] SYSC_read fs/read_write.c:588 [inline]
 [<ffffffff81574549>] SyS_read+0xd9/0x1b0 fs/read_write.c:581
 [<ffffffff81006f95>] do_syscall_32_irqs_on arch/x86/entry/common.c:325 [inline]
 [<ffffffff81006f95>] do_fast_syscall_32+0x2f5/0x870 arch/x86/entry/common.c:387
 [<ffffffff838b9210>] entry_SYSENTER_compat+0x90/0xa2 arch/x86/entry/entry_64_compat.S:137
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..