)]}'
{
  "commit": "49307fd6f72bdd68cc2bd23e7da0bcfecf8087c9",
  "tree": "60a96a369fcf4ecca5e6eedc3403fd52bda5715b",
  "parents": [
    "95e904c7da715aa2dbfb595da66b63de37a0bb04"
  ],
  "author": {
    "name": "Dario Faggioli",
    "email": "raistlin@linux.it",
    "time": "Wed Jun 18 09:18:38 2008 +0200"
  },
  "committer": {
    "name": "Ingo Molnar",
    "email": "mingo@elte.hu",
    "time": "Thu Jun 19 09:06:54 2008 +0200"
  },
  "message": "sched: NULL pointer dereference while setting sched_rt_period_us\n\nWhen CONFIG_RT_GROUP_SCHED and CONFIG_CGROUP_SCHED are enabled, with:\n\n echo 10000 \u003e /proc/sys/kernel/sched_rt_period_us\n\nWe get this:\n\n BUG: unable to handle kernel NULL pointer dereference at 0000008c\n [  947.682233] IP: [\u003cc0216b72\u003e] __rt_schedulable+0x12/0x160\n [  947.683123] *pde \u003d 00000000\u003d20\n [  947.683782] Oops: 0000 [#1]\n [  947.684307] Modules linked in:\n [  947.684308]\n [  947.684308] Pid: 2359, comm: bash Not tainted (2.6.26-rc6 #8)\n [  947.684308] EIP: 0060:[\u003cc0216b72\u003e] EFLAGS: 00000246 CPU: 0\n [  947.684308] EIP is at __rt_schedulable+0x12/0x160\n [  947.684308] EAX: 00000000 EBX: 00000000 ECX: 00000000 EDX: 00000001\n [  947.684308] ESI: c0521db4 EDI: 00000001 EBP: c6cc9f00 ESP: c6cc9ed0\n [  947.684308]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068\n [  947.684308] Process bash (pid: 2359, tiÆcc8000 taskÇa54f00\u003d20 task.tiÆcc8000)\n [  947.684308] Stack: c0222790 00000000 080f8c08 c0521db4 c6cc9f00 00000001 00000000 00000000\n [  947.684308]        c6cc9f9c 00000000 c0521db4 00000001 c6cc9f28 c0216d40 00000000 00000000\n [  947.684308]        c6cc9f9c 000f4240 000e7ef0 ffffffff c0521db4 c79dfb60 c6cc9f58 c02af2cc\n [  947.684308] Call Trace:\n [  947.684308]  [\u003cc0222790\u003e] ? do_proc_dointvec_conv+0x0/0x50\n [  947.684308]  [\u003cc0216d40\u003e] ? sched_rt_handler+0x80/0x110\n [  947.684308]  [\u003cc02af2cc\u003e] ? proc_sys_call_handler+0x9c/0xb0\n [  947.684308]  [\u003cc02af2fa\u003e] ? proc_sys_write+0x1a/0x20\n [  947.684308]  [\u003cc0273c36\u003e] ? vfs_write+0x96/0x160\n [  947.684308]  [\u003cc02af2e0\u003e] ? proc_sys_write+0x0/0x20\n [  947.684308]  [\u003cc027423d\u003e] ? sys_write+0x3d/0x70\n [  947.684308]  [\u003cc0202ef5\u003e] ? sysenter_past_esp+0x6a/0x91\n [  947.684308]  \u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\u003d\n [  947.684308] Code: 24 04 e8 62 b1 0e 00 89 c7 89 f8 8b 5d f4 8b 75\n f8 8b 7d fc 89 ec 5d c3 90 55 89 e5 57 56 53 83 ec 24 89 45 ec 89 55 e4\n 89 4d e8 \u003c8b\u003e b8 8c 00 00 00 85 ff 0f 84 c9 00 00 00 8b 57 24 39 55 e8\n 8b\n [  947.684308] EIP: [\u003cc0216b72\u003e] __rt_schedulable+0x12/0x160 SS:ESP  0068:c6cc9ed0\n\nWe think the following patch solves the issue.\n\nSigned-off-by: Dario Faggioli \u003craistlin@linux.it\u003e\nSigned-off-by: Michael Trimarchi \u003ctrimarchimichael@yahoo.it\u003e\nSigned-off-by: Peter Zijlstra \u003ca.p.zijlstra@chello.nl\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "04228524d160e3f45e718377b9c0a77f1cf98405",
      "old_mode": 33188,
      "old_path": "kernel/sched.c",
      "new_id": "320e9a43d4cc0b34dbb846a110835c2d542c457d",
      "new_mode": 33188,
      "new_path": "kernel/sched.c"
    }
  ]
}