WARNING: CPU: 1 PID: 2996 at kernel/tracepoint.c:210 tracepoint_add_func kernel/tracepoint.c:210 [inline]
WARNING: CPU: 1 PID: 2996 at kernel/tracepoint.c:210 tracepoint_probe_register_prio+0x397/0x9a0 kernel/tracepoint.c:283
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 2996 Comm: syzkaller020638 Not tainted 4.14.0-rc5-mm1+ #20
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+0x1e4/0x41c kernel/panic.c:183
 __warn+0x1c4/0x1e0 kernel/panic.c:546
 report_bug+0x211/0x2d0 lib/bug.c:183
 fixup_bug+0x40/0x90 arch/x86/kernel/traps.c:177
 do_trap_no_signal arch/x86/kernel/traps.c:211 [inline]
 do_trap+0x260/0x390 arch/x86/kernel/traps.c:260
 do_error_trap+0x120/0x390 arch/x86/kernel/traps.c:297
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:310
 invalid_op+0x18/0x20 arch/x86/entry/entry_64.S:905
RIP: 0010:tracepoint_add_func kernel/tracepoint.c:210 [inline]
RIP: 0010:tracepoint_probe_register_prio+0x397/0x9a0 kernel/tracepoint.c:283
RSP: 0018:ffff8801d21d76c0 EFLAGS: 00010293
RAX: ffff8801d1cc27c0 RBX: 00000000ffffffef RCX: ffffffff81710fa7
RDX: 0000000000000000 RSI: ffffffff85b67ac0 RDI: ffff8801d32ba698
RBP: ffff8801d21d77c8 R08: ffffffff81710cb0 R09: 0000000000000004
R10: ffff8801d21d76b0 R11: 0000000000000003 R12: ffffffff81759890
R13: 0000000000000000 R14: 00000000ffffffff R15: ffff8801d21d77a0
 tracepoint_probe_register+0x2a/0x40 kernel/tracepoint.c:304
 register_trace_block_rq_insert include/trace/events/block.h:191 [inline]
 blk_register_tracepoints+0x1e/0x2f0 kernel/trace/blktrace.c:1043
 do_blk_trace_setup+0xa10/0xcf0 kernel/trace/blktrace.c:542
 blk_trace_setup+0xbd/0x180 kernel/trace/blktrace.c:564
 sg_ioctl+0xc71/0x2d90 drivers/scsi/sg.c:1089
 vfs_ioctl fs/ioctl.c:45 [inline]
 do_vfs_ioctl+0x1b1/0x1520 fs/ioctl.c:685
 SYSC_ioctl fs/ioctl.c:700 [inline]
 SyS_ioctl+0x8f/0xc0 fs/ioctl.c:691
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x444339
RSP: 002b:00007ffc8b0b5ea8 EFLAGS: 00000206 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000006d66c0 RCX: 0000000000444339
RDX: 000000002084cf90 RSI: 00000000c0481273 RDI: 0000000000000005
RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: ffffffffffffffff
R13: 00000000c0481273 R14: 0000000000000000 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..