sg_write: data in/out 25/36 bytes for SCSI command 0x9b-- guessing data in; program syz-executor3 not setting count and/or reply_len properly ------------[ cut here ]------------ WARNING: CPU: 0 PID: 10794 at ./arch/x86/include/asm/fpu/internal.h:373 load_gs_index arch/x86/include/asm/paravirt.h:21 [inline] WARNING: CPU: 0 PID: 10794 at ./arch/x86/include/asm/fpu/internal.h:373 loadseg arch/x86/kernel/process_64.c:215 [inline] WARNING: CPU: 0 PID: 10794 at ./arch/x86/include/asm/fpu/internal.h:373 load_seg_legacy arch/x86/kernel/process_64.c:236 [inline] WARNING: CPU: 0 PID: 10794 at ./arch/x86/include/asm/fpu/internal.h:373 __switch_to+0xfbc/0x1310 arch/x86/kernel/process_64.c:457 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 10794 Comm: syz-executor7 Not tainted 4.13.0-mm1+ #5 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled