05 Jan, 2012

1 commit

• 106b5fa70   tty: Fix memory leak in virtual console when enable unicode translation ... Browse Code »

  Virtual console unicode translation map leaks with following
  message when enable kmemleak:

  unreferenced object 0xeb5ec450 (size 192):
  comm "setfont", pid 665, jiffies 4294899028 (age 3696.220s)
  hex dump (first 32 bytes):
  e0 5b 9d eb 00 00 00 00 00 00 00 00 80 b9 ea eb .[..............
  b0 5a 9d eb 00 00 00 00 00 00 00 00 00 00 00 00 .Z..............
  backtrace:
  [] kmemleak_alloc+0x3c/0xa0
  [] kmem_cache_alloc_trace+0xe2/0x250
  [] con_clear_unimap+0x78/0xd0
  [] vt_ioctl+0x1562/0x1d00
  [] tty_ioctl+0x230/0x7c0
  [] do_vfs_ioctl+0x79/0x2d0
  [] sys_ioctl+0x6f/0x80
  [] sysenter_do_call+0x12/0x38
  [] 0xffffffff
  unreferenced object 0xeb9d5be0 (size 128):
  comm "setfont", pid 660, jiffies 4294899030 (age 3696.212s)
  hex dump (first 32 bytes):
  60 c2 a6 eb 50 c8 a6 eb c0 54 9d eb 80 59 9d eb `...P....T...Y..
  90 53 9d eb 60 52 9d eb 60 92 9b eb 00 00 00 00 .S..`R..`.......
  backtrace:
  [] kmemleak_alloc+0x3c/0xa0
  [] kmem_cache_alloc_trace+0xe2/0x250
  [] con_insert_unipair+0x7c/0x150
  [] con_set_unimap+0x15c/0x1f0
  [] vt_ioctl+0x170b/0x1d00
  [] tty_ioctl+0x230/0x7c0
  [] do_vfs_ioctl+0x79/0x2d0
  [] sys_ioctl+0x6f/0x80
  [] sysenter_do_call+0x12/0x38
  [] 0xffffffff

  The leak caused by con_set_default_unimap() not correct free the old map.

  Signed-off-by: Zeng Zhaoming
  Signed-off-by: Greg Kroah-Hartman

  Zeng Zhaoming

  2012-01-05 08:18:55 +0800  

05 Nov, 2010

1 commit

• 60d4ae8d4   TTY: create drivers/tty/vt and move the vt code there ... Browse Code »

  The vt and other related code is moved into the drivers/tty/vt directory.

  Acked-by: Arnd Bergmann
  Cc: Jiri Slaby
  Cc: Alan Cox
  Signed-off-by: Greg Kroah-Hartman

  Greg Kroah-Hartman

  2010-11-05 23:16:52 +0800