sg_write: data in/out 91036429/388 bytes for SCSI command 0x9c-- guessing data in;
   program syz-executor2 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 592 at addr ffe70873f3467000 by task syz-executor2/14381

CPU: 1 PID: 14381 Comm: syz-executor2 Not tainted 4.9.90-gdd1e37e #66
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801b9557ae8 ffffffff81d94ee9 ffe70873f3467000 0000000000000250
 0000000000000000 ffff8801d313c7e0 ffff8801d0784340 ffff8801b9557b30
 ffffffff8153d7c2 ffffffff8266bbc5 0000000000000282 64e027c426bbe6eb
Call Trace:
 [<ffffffff81d94ee9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94ee9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8153d7c2>] kasan_report_error mm/kasan/report.c:353 [inline]
 [<ffffffff8153d7c2>] kasan_report+0x162/0x380 mm/kasan/report.c:412
 [<ffffffff8153c1e7>] check_memory_region_inline mm/kasan/kasan.c:318 [inline]
 [<ffffffff8153c1e7>] check_memory_region+0x137/0x190 mm/kasan/kasan.c:325
 [<ffffffff8153c251>] kasan_check_read+0x11/0x20 mm/kasan/kasan.c:330
 [<ffffffff8266bbc5>] __copy_to_user arch/x86/include/asm/uaccess_64.h:182 [inline]
 [<ffffffff8266bbc5>] sg_read_oxfer drivers/scsi/sg.c:1970 [inline]
 [<ffffffff8266bbc5>] sg_read+0x12c5/0x1470 drivers/scsi/sg.c:519
 [<ffffffff8156b3f3>] __vfs_read+0x103/0x670 fs/read_write.c:449
 [<ffffffff8156f30e>] vfs_read+0x11e/0x380 fs/read_write.c:472
 [<ffffffff81573009>] SYSC_read fs/read_write.c:588 [inline]
 [<ffffffff81573009>] SyS_read+0xd9/0x1b0 fs/read_write.c:581
 [<ffffffff81006504>] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282
 [<ffffffff838b8493>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
==================================================================
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 14381 Comm: syz-executor2 Tainted: G    B           4.9.90-gdd1e37e #66
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801b9557a08 ffffffff81d94ee9 ffffffff84197d47 ffff8801b9557ae0
 0000000000000000 ffff8801d313c7e0 ffff8801d0784340 ffff8801b9557ad0
 ffffffff8142e651 0000000041b58ab3 ffffffff8418b7a0 ffffffff8142e495
Call Trace:
 [<ffffffff81d94ee9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94ee9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8142e651>] panic+0x1bc/0x3a8 kernel/panic.c:179
 [<ffffffff8153d320>] kasan_end_report+0x50/0x50 mm/kasan/report.c:180
 [<ffffffff8153d7cb>] kasan_report_error mm/kasan/report.c:360 [inline]
 [<ffffffff8153d7cb>] kasan_report+0x16b/0x380 mm/kasan/report.c:412
 [<ffffffff8153c1e7>] check_memory_region_inline mm/kasan/kasan.c:318 [inline]
 [<ffffffff8153c1e7>] check_memory_region+0x137/0x190 mm/kasan/kasan.c:325
 [<ffffffff8153c251>] kasan_check_read+0x11/0x20 mm/kasan/kasan.c:330
 [<ffffffff8266bbc5>] __copy_to_user arch/x86/include/asm/uaccess_64.h:182 [inline]
 [<ffffffff8266bbc5>] sg_read_oxfer drivers/scsi/sg.c:1970 [inline]
 [<ffffffff8266bbc5>] sg_read+0x12c5/0x1470 drivers/scsi/sg.c:519
 [<ffffffff8156b3f3>] __vfs_read+0x103/0x670 fs/read_write.c:449
 [<ffffffff8156f30e>] vfs_read+0x11e/0x380 fs/read_write.c:472
 [<ffffffff81573009>] SYSC_read fs/read_write.c:588 [inline]
 [<ffffffff81573009>] SyS_read+0xd9/0x1b0 fs/read_write.c:581
 [<ffffffff81006504>] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282
 [<ffffffff838b8493>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..