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:
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Modules linked in:
CPU: 0 PID: 25 Comm: kworker/0:1 Not tainted 4.9.89-gf152ce1 #65
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events sg_remove_sfp_usercontext
task: ffff8801d9510000 task.stack: ffff8801d9518000
RIP: 0010:[<ffffffff8266762e>]  [<ffffffff8266762e>] sg_finish_rem_req+0x2e/0x320 drivers/scsi/sg.c:1811
RSP: 0018:ffff8801d951fb98  EFLAGS: 00010806
RAX: dffffc0000000000 RBX: dead000000000100 RCX: ffffffff82667619
RDX: 1bd5a00000000022 RSI: 00000000d7efb3ab RDI: dead000000000110
RBP: ffff8801d951fbc8 R08: 1ffff1003b2a211f R09: 0000000000000001
R10: 0000000000000004 R11: ffff8801d9510000 R12: dffffc0000000000
R13: ffffed003747e028 R14: ffff8801ba3f0000 R15: dead000000000100
FS:  0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000a3f228 CR3: 00000001b9530000 CR4: 0000000000160670
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffff8801ba3f0000 ffff8801ba3f15e8 dffffc0000000000 ffffed003747e028
 ffff8801ba3f0000 dead000000000100 ffff8801d951fc38 ffffffff8266aa9a
 ffff8801ba3f0140 ffff8801ba3f0140 0000000000000282 ffff8801ba3f0060
Call Trace:
 [<ffffffff8266aa9a>] sg_remove_sfp_usercontext+0xea/0x250 drivers/scsi/sg.c:2183
 [<ffffffff8118a030>] process_one_work+0x7e0/0x1610 kernel/workqueue.c:2092
 [<ffffffff8118af40>] worker_thread+0xe0/0x10d0 kernel/workqueue.c:2226
 [<ffffffff8119af4d>] kthread+0x26d/0x300 kernel/kthread.c:211
 [<ffffffff838b5c9c>] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373
Code: e5 41 57 41 56 41 55 41 54 53 48 89 fb 48 83 ec 08 e8 07 1a d0 fe 48 8d 7b 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 de 02 00 00 48 8d bb 00 01 00 00 4c 8b 73 10 
RIP  [<ffffffff8266762e>] sg_finish_rem_req+0x2e/0x320 drivers/scsi/sg.c:1811
 RSP <ffff8801d951fb98>
---[ end trace b9646d01ef2c8dad ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
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Kernel Offset: disabled
Rebooting in 86400 seconds..