kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 16122 Comm: syz-executor0 Not tainted 4.9.90-gdd1e37e #6
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801b8a79800 task.stack: ffff8801cc840000
RIP: 0010:[<ffffffff8266903b>]  [<ffffffff8266903b>] sg_remove_scat.isra.19+0x17b/0x2d0 drivers/scsi/sg.c:1941
RSP: 0018:ffff8801cc847ac0  EFLAGS: 00010202
RAX: 1ffff1003ae3f86d RBX: ffff8801d71fc358 RCX: 0000000000000001
RDX: 0000000000000008 RSI: ffffc9000703b000 RDI: ffff8801cfe68374
RBP: ffff8801cc847b10 R08: ffffed003a64ba70 R09: ffff8801d325d360
R10: 0000000000000005 R11: ffffed003a64ba70 R12: 0000000000000001
R13: 0000000000000008 R14: 0000000000000000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:00000000f6f50b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000008452798 CR3: 00000001ccab0000 CR4: 0000000000160670
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffff8801d71fc370 ffffed003ae3f86b ffffed003ae3f86e ffff8801d71fc368
 ffff8801cfe68358 ffff8801d71fc340 0000000000000000 0000000000000000
 0000000000000000 ffff8801d71fc438 ffff8801cc847b50 ffffffff82669436
Call Trace:
 [<ffffffff82669436>] sg_finish_rem_req+0x2a6/0x320 drivers/scsi/sg.c:1829
 [<ffffffff8266b322>] sg_read+0xa22/0x1470 drivers/scsi/sg.c:526
 [<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
 [<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
 [<ffffffff838b9bd0>] entry_SYSENTER_compat+0x90/0xa2 arch/x86/entry/entry_64_compat.S:137
Code: 45 b8 eb 3e e8 e7 14 d0 fe 48 8b 45 c8 48 c1 e8 03 42 80 3c 38 00 0f 85 3a 01 00 00 4c 8b 73 10 4b 8d 14 2e 48 89 d1 48 c1 e9 03 <42> 80 3c 39 00 0f 85 0b 01 00 00 48 8b 12 49 83 c5 08 48 85 d2 
RIP  [<ffffffff8266903b>] sg_remove_scat.isra.19+0x17b/0x2d0 drivers/scsi/sg.c:1941
 RSP <ffff8801cc847ac0>
---[ end trace 3b9d045b5f0e4625 ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..