Re: general protection fault in finish_task_switch

Linus Torvalds writes: (Summary) and the Code: line disassembly is
and the Code: line disassembly is
0: ff 11 callq *(%rcx)
2: 4c 89 f9 mov %r15,%rcx
5: 48 c1 e9 03 shr $0x3,%rcx
9: 42 80 3c 31 00 cmpb $0x0,(%rcx,%r14,1)
e: 0f 85 1b 02 00 00 jne 0x22f
14: 4d 8b 3f mov (%r15),%r15
17: 4d 85 ff test %r15,%r15

  1a: 0f 84 c0 fd ff ff    je     0xfffffffffffffde0
  20: 49 8d 7f 10          lea    0x10(%r15),%rdi
  24: 48 89 f9              mov    %rdi,%rcx
  27: 48 c1 e9 03          shr    $0x3,%rcx
  2b:* 42 80 3c 31 00        cmpb   $0x0,(%rcx,%r14,1) <-- trapping instruction
  30: 74 ae                je     0xffffffffffffffe0
  32: e8 a7 cc 5b 00        callq  0x5bccde
  37: eb a7                jmp    0xffffffffffffffe0
  39: 4c 89 fe              mov    %r15,%rsi
  3c: 4c 89 e7              mov    %r12,%rdi

and while the "callq *(%rcx)" might be just the end part of some
previou