1. 12 3月, 2013 3 次提交
  2. 11 3月, 2013 1 次提交
    • T
      ALSA: seq: Fix missing error handling in snd_seq_timer_open() · 66efdc71
      Takashi Iwai 提交于
      snd_seq_timer_open() didn't catch the whole error path but let through
      if the timer id is a slave.  This may lead to Oops by accessing the
      uninitialized pointer.
      
       BUG: unable to handle kernel NULL pointer dereference at 00000000000002ae
       IP: [<ffffffff819b3477>] snd_seq_timer_open+0xe7/0x130
       PGD 785cd067 PUD 76964067 PMD 0
       Oops: 0002 [#4] SMP
       CPU 0
       Pid: 4288, comm: trinity-child7 Tainted: G      D W 3.9.0-rc1+ #100 Bochs Bochs
       RIP: 0010:[<ffffffff819b3477>]  [<ffffffff819b3477>] snd_seq_timer_open+0xe7/0x130
       RSP: 0018:ffff88006ece7d38  EFLAGS: 00010246
       RAX: 0000000000000286 RBX: ffff88007851b400 RCX: 0000000000000000
       RDX: 000000000000ffff RSI: ffff88006ece7d58 RDI: ffff88006ece7d38
       RBP: ffff88006ece7d98 R08: 000000000000000a R09: 000000000000fffe
       R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
       R13: ffff8800792c5400 R14: 0000000000e8f000 R15: 0000000000000007
       FS:  00007f7aaa650700(0000) GS:ffff88007f800000(0000) GS:0000000000000000
       CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
       CR2: 00000000000002ae CR3: 000000006efec000 CR4: 00000000000006f0
       DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
       DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
       Process trinity-child7 (pid: 4288, threadinfo ffff88006ece6000, task ffff880076a8a290)
       Stack:
        0000000000000286 ffffffff828f2be0 ffff88006ece7d58 ffffffff810f354d
        65636e6575716573 2065756575712072 ffff8800792c0030 0000000000000000
        ffff88006ece7d98 ffff8800792c5400 ffff88007851b400 ffff8800792c5520
       Call Trace:
        [<ffffffff810f354d>] ? trace_hardirqs_on+0xd/0x10
        [<ffffffff819b17e9>] snd_seq_queue_timer_open+0x29/0x70
        [<ffffffff819ae01a>] snd_seq_ioctl_set_queue_timer+0xda/0x120
        [<ffffffff819acb9b>] snd_seq_do_ioctl+0x9b/0xd0
        [<ffffffff819acbe0>] snd_seq_ioctl+0x10/0x20
        [<ffffffff811b9542>] do_vfs_ioctl+0x522/0x570
        [<ffffffff8130a4b3>] ? file_has_perm+0x83/0xa0
        [<ffffffff810f354d>] ? trace_hardirqs_on+0xd/0x10
        [<ffffffff811b95ed>] sys_ioctl+0x5d/0xa0
        [<ffffffff813663fe>] ? trace_hardirqs_on_thunk+0x3a/0x3f
        [<ffffffff81faed69>] system_call_fastpath+0x16/0x1b
      Reported-and-tested-by: NTommi Rantala <tt.rantala@gmail.com>
      Cc: <stable@vger.kernel.org>
      Signed-off-by: NTakashi Iwai <tiwai@suse.de>
      66efdc71
  3. 07 3月, 2013 5 次提交
  4. 06 3月, 2013 1 次提交
  5. 05 3月, 2013 2 次提交
  6. 04 3月, 2013 1 次提交
    • D
      ALSA: seq: seq_oss_event: missing range checks · 85c50a58
      Dan Carpenter 提交于
      The "dev" variable could be out of bounds.  Calling
      snd_seq_oss_synth_is_valid() checks that it is is a valid device
      which has been opened.  We check this inside set_note_event() so
      this function can't succeed without a valid "dev".  But we need to
      do the check earlier to prevent invalid dereferences and memory
      corruption.
      
      One call tree where "dev" could be out of bounds is:
      -> snd_seq_oss_oob_user()
         -> snd_seq_oss_process_event()
            -> extended_event()
               -> note_on_event()
      Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com>
      Signed-off-by: NTakashi Iwai <tiwai@suse.de>
      85c50a58
  7. 03 3月, 2013 1 次提交
  8. 01 3月, 2013 4 次提交
  9. 25 2月, 2013 5 次提交
  10. 23 2月, 2013 1 次提交
  11. 22 2月, 2013 2 次提交
  12. 20 2月, 2013 5 次提交
  13. 19 2月, 2013 1 次提交
  14. 18 2月, 2013 2 次提交
  15. 15 2月, 2013 1 次提交
  16. 14 2月, 2013 4 次提交
  17. 13 2月, 2013 1 次提交
    • T
      ALSA: hda - Increase badness for missing multi-io · 1d739066
      Takashi Iwai 提交于
      The current badness value used for the missing multi-io seems too
      weak, and the multi-io tends to be skipped for desktop configurations
      when no enough DACs are available.  It's because the total badness of
      the multi-io becomes often larger than the badness with assigning an
      individual DAC to a headphone jack.  This is good for one side, but it
      seems that the surround outputs are more demanded by that.
      
      This patch increases the badness value for the missing multi-io
      slightly so that the multi-io would be preferred than the individual
      headphone DAC if they conflict.  Through the tests with hda-emu,
      mostly only desktop configurations with ALC662/663 and CMI codecs are
      affected by this change, and all look reasonable.
      Reported-by: NRaymond Yau <superquad.vortex2@gmail.com>
      Signed-off-by: NTakashi Iwai <tiwai@suse.de>
      1d739066