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: 3321 Comm: syzkaller873780 Not tainted 4.9.73-gf3f3457 #11
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801cb583000 task.stack: ffff8801c9da0000
RIP: 0010:[<ffffffff82664f7b>]  [<ffffffff82664f7b>] sg_remove_scat.isra.19+0x17b/0x2d0 drivers/scsi/sg.c:1949
RSP: 0018:ffff8801c9da7ac0  EFLAGS: 00010202
RAX: 1ffff1003913c02d RBX: ffff8801c89e0158 RCX: 0000000000000002
RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffff8801c88a421c
RBP: ffff8801c9da7b10 R08: 0000000000000000 R09: ffffed0039344f55
R10: 0000000000000005 R11: ffffed0039344f54 R12: 0000000000000002
R13: 0000000000000010 R14: 0000000000000000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:00000000f76e2b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000020007000 CR3: 00000001cae50000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffff8801c89e0170 ffffed003913c02b ffffed003913c02e ffff8801c89e0168
 ffff8801c88a4200 ffff8801c89e0140 0000000000000000 0000000000000000
 0000000000000000 ffff8801c89e0238 ffff8801c9da7b50 ffffffff82665385
Call Trace:
 [<ffffffff82665385>] sg_finish_rem_req+0x2b5/0x340 drivers/scsi/sg.c:1836
 [<ffffffff8266719c>] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527
 [<ffffffff81569903>] __vfs_read+0x103/0x670 fs/read_write.c:452
 [<ffffffff8156d69e>] vfs_read+0x11e/0x380 fs/read_write.c:475
 [<ffffffff815713c9>] SYSC_read fs/read_write.c:591 [inline]
 [<ffffffff815713c9>] SyS_read+0xd9/0x1b0 fs/read_write.c:584
 [<ffffffff81006fc7>] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline]
 [<ffffffff81006fc7>] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384
 [<ffffffff838b0be1>] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124
Code: 45 b8 eb 3e e8 c7 44 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  [<ffffffff82664f7b>] sg_remove_scat.isra.19+0x17b/0x2d0 drivers/scsi/sg.c:1949
 RSP <ffff8801c9da7ac0>
---[ end trace 43aaa893d8877d63 ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..