sd 0:0:1:0: ioctl_internal_command: ILLEGAL REQUEST asc=0x20 ascq=0x0 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3030 at kernel/signal.c:340 task_participate_group_stop+0x1ce/0x230 kernel/signal.c:340 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 3030 Comm: syz-executor0 Not tainted 4.13.0-mm1+ #5 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 panic+0x1e4/0x417 kernel/panic.c:181 __warn+0x1c4/0x1d9 kernel/panic.c:542 report_bug+0x211/0x2d0 lib/bug.c:183 fixup_bug+0x40/0x90 arch/x86/kernel/traps.c:178 do_trap_no_signal arch/x86/kernel/traps.c:212 [inline] do_trap+0x260/0x390 arch/x86/kernel/traps.c:261 do_error_trap+0x120/0x390 arch/x86/kernel/traps.c:298 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:311 invalid_op+0x18/0x20 arch/x86/entry/entry_64.S:905 RIP: 0010:task_participate_group_stop+0x1ce/0x230 kernel/signal.c:340 RSP: 0018:ffff88019da977f0 EFLAGS: 00010097 RAX: ffff8801cd3ae200 RBX: ffff8801cd3ae200 RCX: ffff8801c4478c80 RDX: 0000000000000000 RSI: 0000000000060013 RDI: ffff8801cd3ae690 RBP: ffff88019da97808 R08: ffff88019da97180 R09: ffff88019da97178 R10: ffff88019da970f0 R11: 1ffff10039a75ed3 R12: ffff8801d8e733c0 R13: 0000000000000000 R14: dffffc0000000000 R15: ffff8801cd3ae788 do_signal_stop+0x217/0x900 kernel/signal.c:2042 get_signal+0x61c/0x17e0 kernel/signal.c:2297 do_signal+0x94/0x1ee0 arch/x86/kernel/signal.c:808 exit_to_usermode_loop+0x224/0x300 arch/x86/entry/common.c:158 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath+0x42f/0x500 arch/x86/entry/common.c:266 entry_SYSCALL_64_fastpath+0xbc/0xbe RIP: 0033:0x47d4a0 RSP: 002b:0000000000a6f9e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 RAX: fffffffffffffdfc RBX: 0000000001423914 RCX: 000000000047d4a0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000a6f9f0 RBP: 0000000000000131 R08: 0000000000000001 R09: 0000000001423940 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000015 R14: 000000000001241e R15: 0000000000000010 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..