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: 1 PID: 27859 Comm: syz-executor0 Not tainted 4.9.91-gbb94f9d #68 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801a7591800 task.stack: ffff8801d7760000 RIP: 0010:[] [] sg_read_oxfer drivers/scsi/sg.c:1968 [inline] RIP: 0010:[] [] sg_read+0xd24/0x1470 drivers/scsi/sg.c:519 RSP: 0018:ffff8801d7767b70 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8266b89b RDX: 0000000000000000 RSI: ffffc900009a6000 RDI: ffff8801a8d24370 RBP: ffff8801d7767c78 R08: 0000000000000000 R09: ffffed003a6ce991 R10: 0000000000000005 R11: ffffed003a6ce990 R12: 0000000000000000 R13: ffff8801a8d24200 R14: ffff8801d3674c60 R15: ffff8801a8d24340 FS: 00007ff2b6b8a700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000930008 CR3: 00000001d0382000 CR4: 0000000000160670 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffffffffffffffff ffff8801d7767c30 ffff8801a8d24358 0000000000000076 95b4c368cd5d5115 ffff8801a8d24368 ffff8801cfd2ef00 0000000000000000 000000000000009a 1ffff1003aeecf7a 0000000000001000 00000000205c5feb Call Trace: [] __vfs_read+0x103/0x670 fs/read_write.c:449 [] vfs_read+0x11e/0x380 fs/read_write.c:472 [] SYSC_read fs/read_write.c:588 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:581 [] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282 [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 a1 06 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5f 28 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 f6 05 00 00 48 8b 1b 48 85 db 0f 84 63 03 00 RIP [] sg_read_oxfer drivers/scsi/sg.c:1968 [inline] RIP [] sg_read+0xd24/0x1470 drivers/scsi/sg.c:519 RSP ---[ end trace 6aa40f084fa07595 ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..