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authorPavel Emelyanov <xemul@openvz.org>2008-03-24 15:29:52 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-03-24 22:22:19 -0400
commita846a1954b6397e844fe1e258af7598897ec6159 (patch)
treea90b3a593d528c299fd90e9e84fe17a7cdb23733 /fs/compat_ioctl.c
parent4dd4b920218326231156c7991ce5b94afad841c3 (diff)
bsd_acct: plain current->real_parent access is not always safe
This is minor, but dereferencing even current real_parent is not safe on debug kernels, since the memory, this points to, can be unmapped - RCU protection is required. Besides, the tgid field is deprecated and is to be replaced with task_tgid_xxx call (the 2nd patch), so RCU will be required anyway. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Cc: Oleg Nesterov <oleg@tv-sign.ru> Cc: "Paul E. McKenney" <paulmck@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/compat_ioctl.c')
0 files changed, 0 insertions, 0 deletions