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: 6372 Comm: syz-executor4 Not tainted 4.9.91-gcc88c05 #9 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801c75f1800 task.stack: ffff8801d5350000 RIP: 0010:[] [] sg_read_oxfer drivers/scsi/sg.c:1968 [inline] RIP: 0010:[] [] sg_read+0xd24/0x1470 drivers/scsi/sg.c:519 RSP: 0018:ffff8801d5357b60 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8266b83b RDX: 0000000000000000 RSI: ffffc90003744000 RDI: ffff8801c32d0170 RBP: ffff8801d5357c68 R08: 0000000000000000 R09: ffffed00381898ad R10: 0000000000000005 R11: ffffed00381898ac R12: 0000000000000000 R13: ffff8801c32d0000 R14: ffff8801c0c4c540 R15: ffff8801c32d0140 FS: 0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:00000000f5769b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000000e64710 CR3: 00000001ce14c000 CR4: 0000000000160670 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffffffff83d6e1c0 000000000000013b ffff8801c32d0158 1ffff100000002fe c3927da712103f3e ffff8801c32d0168 ffff8801cfdf4a00 0000000000000000 0000000000000322 1ffff1003aa6af78 0000000000001000 0000000020000124 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_32_irqs_on arch/x86/entry/common.c:325 [inline] [] do_fast_syscall_32+0x2f5/0x870 arch/x86/entry/common.c:387 [] entry_SYSENTER_compat+0x90/0xa2 arch/x86/entry/entry_64_compat.S:137 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 bddd2715294a2453 ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..