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: 5592 Comm: syz-executor5 Not tainted 4.9.57-g9eaaf14 #69 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801a7c3b000 task.stack: ffff8801a8f50000 RIP: 0010:[] [] sg_start_req drivers/scsi/sg.c:1691 [inline] RIP: 0010:[] [] sg_common_write.isra.24+0x382/0x18d0 drivers/scsi/sg.c:777 RSP: 0018:ffff8801a8f57908 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000008 RCX: ffffc900021d6000 RDX: 0000000000000002 RSI: ffff8801a83e019c RDI: ffff8801a83e019a RBP: ffff8801a8f57aa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: ffffed00351eaf6d R12: 1ffff100351eaf2f R13: ffff8801a83e0000 R14: ffff8801a8f57b68 R15: ffff8801a83e0158 FS: 00007f8211b96700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000ff4 CR3: 00000001a84b7000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: 0000000000000000 ffff8801a83e01e0 0000000000000026 0000000000000010 ffff8801a83e019c 0000000000000000 ffff880100001770 0000000000000026 0000000000000000 ffff8801a83e0000 ffff8801a8f57998 00000000fffffffe Call Trace: [] sg_write+0x6a1/0xaf0 drivers/scsi/sg.c:680 [] __vfs_write+0x103/0x680 fs/read_write.c:510 [] vfs_write+0x170/0x4e0 fs/read_write.c:560 [] SYSC_write fs/read_write.c:607 [inline] [] SyS_write+0xd9/0x1b0 fs/read_write.c:599 [] entry_SYSCALL_64_fastpath+0x23/0xc6 Code: 42 66 89 85 90 fe ff ff 48 8b 85 c8 fe ff ff 48 83 c0 10 48 89 c2 48 89 85 80 fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 1b 15 00 00 48 8b 85 c8 fe ff ff 48 8b 58 10 RIP [] sg_start_req drivers/scsi/sg.c:1691 [inline] RIP [] sg_common_write.isra.24+0x382/0x18d0 drivers/scsi/sg.c:777 RSP ---[ end trace 6b0b9abd89f5a633 ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..