Re: proc_flush_task oops

Linus Torvalds writes: (Summary) The code disassembles to
The code disassembles to
0: c1 e2 04 shl $0x4,%edx
3: 44 8b 60 30 mov 0x30(%rax),%r12d
7: 48 8b 40 38 mov 0x38(%rax),%rax
b: 44 8b 34 11 mov (%rcx,%rdx,1),%r14d

   f: 48 c7 c2 60 3a f5 81 mov    $0xffffffff81f53a60,%rdx
  16: 44 89 e1              mov    %r12d,%ecx
  19: 4c 8b 68 58          mov    0x58(%rax),%r13
  1d: e8 4b b4 77 00        callq  0x77b46d
  22: 89 44 24 14          mov    %eax,0x14(%rsp)
  26: 48 8d 74 24 10        lea    0x10(%rsp),%rsi
  2b:* 49 8b 7d 00          mov    0x0(%r13),%rdi <-- trapping instruction
  2f: e8 b9 6a f9 ff        callq  0xfffffffffff96aed
  34: 48 85 c0              test   %rax,%rax
  37: 74 1a                je     0x53
  39: 48 89 c7              mov    %rax,%rdi

and just matching that up against the code I see generated, that first
call is the call to snprintf, and the second call is to
d_hash_and_lookup.