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: 1 PID: 4295 Comm: syz-executor0 Not tainted 4.9.53-g2b3a26c #60
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801c98ab000 task.stack: ffff8801ca2e0000
RIP: 0010:[<ffffffff8266266b>]  [<ffffffff8266266b>] sg_remove_scat.isra.20+0x17b/0x2d0 drivers/scsi/sg.c:1949
RSP: 0018:ffff8801ca2e7b20  EFLAGS: 00010202
RAX: 1ffff1003945886d RBX: ffff8801ca2c4358 RCX: 0000000000000002
RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffff8801ca2c211c
RBP: ffff8801ca2e7b70 R08: ffffed00392b1778 R09: ffff8801c958bba0
R10: 0000000000000005 R11: ffffed00392b1778 R12: 0000000000000002
R13: 0000000000000010 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007f4347db2700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000202ecff1 CR3: 00000001c9628000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffff8801ca2c4370 ffffed003945886b ffffed003945886e ffff8801ca2c4368
 ffff8801ca2c2100 ffff8801ca2c4340 0000000000000000 0000000000000000
 0000000000000000 ffff8801ca2c4438 ffff8801ca2e7bb0 ffffffff82662a75
Call Trace:
 [<ffffffff82662a75>] sg_finish_rem_req+0x2b5/0x340 drivers/scsi/sg.c:1836
 [<ffffffff8266478c>] sg_read+0x91c/0x1400 drivers/scsi/sg.c:527
 [<ffffffff8156d753>] __vfs_read+0x103/0x670 fs/read_write.c:452
 [<ffffffff8156ece7>] vfs_read+0x107/0x330 fs/read_write.c:475
 [<ffffffff815728c9>] SYSC_read fs/read_write.c:591 [inline]
 [<ffffffff815728c9>] SyS_read+0xd9/0x1b0 fs/read_write.c:584
 [<ffffffff838ad9c5>] entry_SYSCALL_64_fastpath+0x23/0xc6
Code: 45 b8 eb 3e e8 67 83 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  [<ffffffff8266266b>] sg_remove_scat.isra.20+0x17b/0x2d0 drivers/scsi/sg.c:1949
 RSP <ffff8801ca2e7b20>
---[ end trace 5893c3b73180ec51 ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
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Kernel Offset: disabled
Rebooting in 86400 seconds..