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(parent: 8b90db0) | patch
sysctl: don't overflow the user-supplied buffer with '\0'
authorLinus Torvalds <torvalds@g5.osdl.org>
Sat, 31 Dec 2005 01:18:53 +0000 (17:18 -0800)
committerLinus Torvalds <torvalds@g5.osdl.org>
Sat, 31 Dec 2005 01:18:53 +0000 (17:18 -0800)
commit8febdd85adaa41fa1fc1cb31286210fc2cd3ed0c
tree2e1aaa5e4e68057a4e96a606e2ad0bcccedcd6dftree | snapshot
parent8b90db0df7187a01fb7177f1f812123138f562cfcommit | diff
sysctl: don't overflow the user-supplied buffer with '\0'

If the string was too long to fit in the user-supplied buffer,
the sysctl layer would zero-terminate it by writing past the
end of the buffer. Don't do that.

Noticed by Yi Yang <yang.y.yi@gmail.com>

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
kernel/sysctl.c diff | blob | history
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