)]}'
{
  "commit": "831830b5a2b5d413407adf380ef62fe17d6fcbf2",
  "tree": "b08f54f15374b5b98b0b3bea20a1d2ea8d1f50e0",
  "parents": [
    "ac40532ef0b8649e6f7f83859ea0de1c4ed08a19"
  ],
  "author": {
    "name": "Al Viro",
    "email": "viro@ZenIV.linux.org.uk",
    "time": "Wed Jan 02 14:09:57 2008 +0000"
  },
  "committer": {
    "name": "Linus Torvalds",
    "email": "torvalds@woody.linux-foundation.org",
    "time": "Wed Jan 02 13:13:27 2008 -0800"
  },
  "message": "restrict reading from /proc/\u003cpid\u003e/maps to those who share -\u003emm or can ptrace pid\n\nContents of /proc/*/maps is sensitive and may become sensitive after\nopen() (e.g.  if target originally shares our -\u003emm and later does exec\non suid-root binary).\n\nCheck at read() (actually, -\u003estart() of iterator) time that mm_struct\nwe\u0027d grabbed and locked is\n - still the -\u003emm of target\n - equal to reader\u0027s -\u003emm or the target is ptracable by reader.\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\nAcked-by: Rik van Riel \u003criel@redhat.com\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "02a63ac04178e64c8f7e2a3bddee2fcadeaf8254",
      "old_mode": 33188,
      "old_path": "fs/proc/base.c",
      "new_id": "7411bfb0b7cce2823d7d604eea7b9c981c269fdd",
      "new_mode": 33188,
      "new_path": "fs/proc/base.c"
    },
    {
      "type": "modify",
      "old_id": "1820eb2ef7623a2c222e9be9b61d0e749f259187",
      "old_mode": 33188,
      "old_path": "fs/proc/internal.h",
      "new_id": "05b3e9006262c49145f640e482062bbd0b6d14ad",
      "new_mode": 33188,
      "new_path": "fs/proc/internal.h"
    },
    {
      "type": "modify",
      "old_id": "c24d81a5a040e2a91825673434339e3c2f1dcdda",
      "old_mode": 33188,
      "old_path": "fs/proc/task_mmu.c",
      "new_id": "8043a3eab52ce49f14f0b23f863b8fb77c6916ba",
      "new_mode": 33188,
      "new_path": "fs/proc/task_mmu.c"
    },
    {
      "type": "modify",
      "old_id": "d8b8c7183c243d86455390f1246da6c12891d396",
      "old_mode": 33188,
      "old_path": "fs/proc/task_nommu.c",
      "new_id": "1932c2ca345729580c60f5a0a2b8187779b9c450",
      "new_mode": 33188,
      "new_path": "fs/proc/task_nommu.c"
    },
    {
      "type": "modify",
      "old_id": "ae8146abd7463b694f0690353a13545c840890fd",
      "old_mode": 33188,
      "old_path": "include/linux/ptrace.h",
      "new_id": "3ea5750a0f7e2ac74c1c90e1aecd4910b7a74bc7",
      "new_mode": 33188,
      "new_path": "include/linux/ptrace.h"
    },
    {
      "type": "modify",
      "old_id": "7c76f2ffaeaad78060cfb3223857a89c7a4ccb8f",
      "old_mode": 33188,
      "old_path": "kernel/ptrace.c",
      "new_id": "0c65d306f41200adaa0b60311eb7493f4d5f0939",
      "new_mode": 33188,
      "new_path": "kernel/ptrace.c"
    }
  ]
}