)]}'
{
  "commit": "b5428e471b91192a2438d04c1d2ff2b3d4708366",
  "tree": "e1a3431cc3f210338fae06ced15b266352544d56",
  "parents": [
    "6e95f970d1cb6801b5f26d2c167fb1e0ad6c5dba"
  ],
  "author": {
    "name": "Eric Dumazet",
    "email": "edumazet@google.com",
    "time": "Tue Feb 12 06:16:53 2013 +0000"
  },
  "committer": {
    "name": "Greg Kroah-Hartman",
    "email": "gregkh@linuxfoundation.org",
    "time": "Thu Feb 28 06:59:06 2013 -0800"
  },
  "message": "net: fix infinite loop in __skb_recv_datagram()\n\n[ Upstream commit 77c1090f94d1b0b5186fb13a1b71b47b1343f87f ]\n\nTommi was fuzzing with trinity and reported the following problem :\n\ncommit 3f518bf745 (datagram: Add offset argument to __skb_recv_datagram)\nmissed that a raw socket receive queue can contain skbs with no payload.\n\nWe can loop in __skb_recv_datagram() with MSG_PEEK mode, because\nwait_for_packet() is not prepared to skip these skbs.\n\n[   83.541011] INFO: rcu_sched detected stalls on CPUs/tasks: {}\n(detected by 0, t\u003d26002 jiffies, g\u003d27673, c\u003d27672, q\u003d75)\n[   83.541011] INFO: Stall ended before state dump start\n[  108.067010] BUG: soft lockup - CPU#0 stuck for 22s! [trinity-child31:2847]\n...\n[  108.067010] Call Trace:\n[  108.067010]  [\u003cffffffff818cc103\u003e] __skb_recv_datagram+0x1a3/0x3b0\n[  108.067010]  [\u003cffffffff818cc33d\u003e] skb_recv_datagram+0x2d/0x30\n[  108.067010]  [\u003cffffffff819ed43d\u003e] rawv6_recvmsg+0xad/0x240\n[  108.067010]  [\u003cffffffff818c4b04\u003e] sock_common_recvmsg+0x34/0x50\n[  108.067010]  [\u003cffffffff818bc8ec\u003e] sock_recvmsg+0xbc/0xf0\n[  108.067010]  [\u003cffffffff818bf31e\u003e] sys_recvfrom+0xde/0x150\n[  108.067010]  [\u003cffffffff81ca4329\u003e] system_call_fastpath+0x16/0x1b\n\nReported-by: Tommi Rantala \u003ctt.rantala@gmail.com\u003e\nTested-by: Tommi Rantala \u003ctt.rantala@gmail.com\u003e\nSigned-off-by: Eric Dumazet \u003cedumazet@google.com\u003e\nCc: Pavel Emelyanov \u003cxemul@parallels.com\u003e\nAcked-by: Pavel Emelyanov \u003cxemul@parallels.com\u003e\nSigned-off-by: David S. Miller \u003cdavem@davemloft.net\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@linuxfoundation.org\u003e\n",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "e4fbfd6e2bd43a0cda49f705058631a1bfec7811",
      "old_mode": 33188,
      "old_path": "net/core/datagram.c",
      "new_id": "da7e0c867cc0c881c45ae5664b5c6cc9f54ba7c7",
      "new_mode": 33188,
      "new_path": "net/core/datagram.c"
    }
  ]
}