sg_write: data in/out 167162/1258670784 bytes for SCSI command 0x67-- guessing data in;
   program syz-executor6 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:1975 [inline]
BUG: KASAN: wild-memory-access in sg_read+0xe88/0x1470 drivers/scsi/sg.c:519
Read of size 4096 at addr ffe70873f870d000 by task syz-executor6/5633

CPU: 1 PID: 5633 Comm: syz-executor6 Not tainted 4.9.91-gcc88c05 #9
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d6d4f9b8 ffffffff81d95109 ffe70873f870d000 0000000000001000
 0000000000000000 0000000000000000 ffff88014f6b4340 ffff8801d6d4fa00
 ffffffff8153d9e2 ffffffff8266b9d8 0000000000000286 b5372f59d0dc4a14
Call Trace:
 [<ffffffff81d95109>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d95109>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8153d9e2>] kasan_report_error mm/kasan/report.c:353 [inline]
 [<ffffffff8153d9e2>] kasan_report+0x162/0x380 mm/kasan/report.c:412
 [<ffffffff8153c407>] check_memory_region_inline mm/kasan/kasan.c:318 [inline]
 [<ffffffff8153c407>] check_memory_region+0x137/0x190 mm/kasan/kasan.c:325
 [<ffffffff8153c471>] kasan_check_read+0x11/0x20 mm/kasan/kasan.c:330
 [<ffffffff8266b9d8>] __copy_to_user arch/x86/include/asm/uaccess_64.h:182 [inline]
 [<ffffffff8266b9d8>] sg_read_oxfer drivers/scsi/sg.c:1975 [inline]
 [<ffffffff8266b9d8>] sg_read+0xe88/0x1470 drivers/scsi/sg.c:519
 [<ffffffff8156c168>] do_loop_readv_writev.part.17+0xc8/0x2b0 fs/read_write.c:715
 [<ffffffff8157134f>] do_loop_readv_writev fs/read_write.c:1097 [inline]
 [<ffffffff8157134f>] compat_do_readv_writev+0x5ff/0x740 fs/read_write.c:1091
 [<ffffffff81571573>] compat_readv+0xe3/0x150 fs/read_write.c:1120
 [<ffffffff815716d4>] do_compat_readv+0xf4/0x1d0 fs/read_write.c:1140
 [<ffffffff81573c46>] C_SYSC_readv fs/read_write.c:1152 [inline]
 [<ffffffff81573c46>] compat_SyS_readv+0x26/0x30 fs/read_write.c:1148
 [<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
 [<ffffffff838b9b90>] entry_SYSENTER_compat+0x90/0xa2 arch/x86/entry/entry_64_compat.S:137
==================================================================
Kernel panic - not syncing: panic_on_warn set ...

mmap: syz-executor3 (5637) uses deprecated remap_file_pages() syscall. See Documentation/vm/remap_file_pages.txt.
CPU: 1 PID: 5633 Comm: syz-executor6 Tainted: G    B           4.9.91-gcc88c05 #9
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d6d4f8d8 ffffffff81d95109 ffffffff84197d57 ffff8801d6d4f9b0
 0000000000000000 0000000000000000 ffff88014f6b4340 ffff8801d6d4f9a0
 ffffffff8142e791 0000000041b58ab3 ffffffff8418b7b0 ffffffff8142e5d5
Call Trace:
 [<ffffffff81d95109>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d95109>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8142e791>] panic+0x1bc/0x3a8 kernel/panic.c:179
 [<ffffffff8153d540>] kasan_end_report+0x50/0x50 mm/kasan/report.c:180
 [<ffffffff8153d9eb>] kasan_report_error mm/kasan/report.c:360 [inline]
 [<ffffffff8153d9eb>] kasan_report+0x16b/0x380 mm/kasan/report.c:412
 [<ffffffff8153c407>] check_memory_region_inline mm/kasan/kasan.c:318 [inline]
 [<ffffffff8153c407>] check_memory_region+0x137/0x190 mm/kasan/kasan.c:325
 [<ffffffff8153c471>] kasan_check_read+0x11/0x20 mm/kasan/kasan.c:330
 [<ffffffff8266b9d8>] __copy_to_user arch/x86/include/asm/uaccess_64.h:182 [inline]
 [<ffffffff8266b9d8>] sg_read_oxfer drivers/scsi/sg.c:1975 [inline]
 [<ffffffff8266b9d8>] sg_read+0xe88/0x1470 drivers/scsi/sg.c:519
 [<ffffffff8156c168>] do_loop_readv_writev.part.17+0xc8/0x2b0 fs/read_write.c:715
 [<ffffffff8157134f>] do_loop_readv_writev fs/read_write.c:1097 [inline]
 [<ffffffff8157134f>] compat_do_readv_writev+0x5ff/0x740 fs/read_write.c:1091
 [<ffffffff81571573>] compat_readv+0xe3/0x150 fs/read_write.c:1120
 [<ffffffff815716d4>] do_compat_readv+0xf4/0x1d0 fs/read_write.c:1140
 [<ffffffff81573c46>] C_SYSC_readv fs/read_write.c:1152 [inline]
 [<ffffffff81573c46>] compat_SyS_readv+0x26/0x30 fs/read_write.c:1148
 [<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
 [<ffffffff838b9b90>] 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..