diff options
author | Tejun Heo <[email protected]> | 2008-02-14 10:32:07 +0900 |
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committer | Linus Torvalds <[email protected]> | 2008-02-26 07:42:37 -0800 |
commit | cf3680b90c7842cf91ed857ac4528f4e057da366 (patch) | |
tree | f73af36b208fab34620808f0075cc54f51cfdfb0 /fs/jbd2/commit.c | |
parent | bfa274e2436fc7ef72ef51c878083647f1cfd429 (diff) |
printk: fix possible printk overrun
printk recursion detection prepends message to printk_buf and offsets
printk_buf when actual message is printed but it forgets to trim buffer
length accordingly. This can result in overrun in extreme cases. Fix it.
[ [email protected]:
bug was introduced by me via:
commit 32a76006683f7b28ae3cc491da37716e002f198e
Author: Ingo Molnar <[email protected]>
Date: Fri Jan 25 21:07:58 2008 +0100
printk: make printk more robust by not allowing recursion
]
Signed-off-by: Tejun Heo <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'fs/jbd2/commit.c')
0 files changed, 0 insertions, 0 deletions