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: 8037 Comm: kworker/0:1 Not tainted 4.9.91-gcc88c05 #9 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events sg_remove_sfp_usercontext task: ffff88014a8cc800 task.stack: ffff88014c7a0000 RIP: 0010:[] [] sg_finish_rem_req+0x2e/0x320 drivers/scsi/sg.c:1811 RSP: 0018:ffff88014c7a7b98 EFLAGS: 00010806 RAX: dffffc0000000000 RBX: dead000000000100 RCX: ffffffff826693f9 RDX: 1bd5a00000000022 RSI: 000000001241f43f RDI: dead000000000110 RBP: ffff88014c7a7bc8 R08: 1ffff10029519a1f R09: 0000000000000001 R10: 0000000000000004 R11: ffff88014a8cc800 R12: dffffc0000000000 R13: ffffed003b1dd028 R14: ffff8801d8ee8000 R15: dead000000000100 FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000009bc23000 CR3: 00000001b4ebc000 CR4: 0000000000160670 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffff8801d8ee8000 ffff8801d8ee95e8 dffffc0000000000 ffffed003b1dd028 ffff8801d8ee8000 dead000000000100 ffff88014c7a7c38 ffffffff8266c87a ffff8801d8ee8140 ffff8801d8ee8140 0000000000000282 ffff8801d8ee8060 Call Trace: [] sg_remove_sfp_usercontext+0xea/0x250 drivers/scsi/sg.c:2183 [] process_one_work+0x7e0/0x1610 kernel/workqueue.c:2092 [] worker_thread+0xe0/0x10d0 kernel/workqueue.c:2226 [] kthread+0x26d/0x300 kernel/kthread.c:211 [] 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 37 12 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 [] sg_finish_rem_req+0x2e/0x320 drivers/scsi/sg.c:1811 RSP ---[ end trace aa518631b57fcfc6 ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..