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: 5255 Comm: syz-executor6 Not tainted 4.9.91-gbb94f9d #8 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801b7a06000 task.stack: ffff88018c2f0000 RIP: 0010:[] [] sg_read_oxfer drivers/scsi/sg.c:1968 [inline] RIP: 0010:[] [] sg_read+0xd24/0x1470 drivers/scsi/sg.c:519 RSP: 0018:ffff88018c2f7b60 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8266b89b RDX: 0000000000000000 RSI: ffffc900034f5000 RDI: ffff8801b7b7a270 RBP: ffff88018c2f7c68 R08: 0000000000000000 R09: ffffed0037577149 R10: 0000000000000005 R11: ffffed0037577148 R12: 0000000000000000 R13: ffff8801b7b7a100 R14: ffff8801babb8a20 R15: ffff8801b7b7a240 FS: 0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:00000000f6f36b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00007fb9063a4018 CR3: 00000001c993c000 CR4: 0000000000160670 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffffffff83d6e1c0 000000000000013b ffff8801b7b7a258 1ffff1007fffefdc 3ad0195074210abe ffff8801b7b7a268 ffff8801cfdf9680 0000000000000000 000000007ffff000 1ffff1003185ef78 0000000000001000 0000000020000864 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 8045cab5b2df8f3a ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..