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| author |   Dan Carpenter <dan.carpenter@oracle.com> | 2021-02-19 12:56:32 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2021-02-21 13:29:25 -0800 |
| commit | 3a2eb515d1367c0f667b76089a6e727279c688b8 (patch) | |
| tree | 408c10207fd18e48f775f445d47c560d00fc10e9 | |
| parent | Merge tag 'perf-core-2021-02-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip (diff) | |
| download | linux-dev-3a2eb515d1367c0f667b76089a6e727279c688b8.tar.xz linux-dev-3a2eb515d1367c0f667b76089a6e727279c688b8.zip | |
octeontx2-af: Fix an off by one in rvu_dbg_qsize_write()
This code does not allocate enough memory for the NUL terminator so it
ends up putting it one character beyond the end of the buffer.
Fixes: 8756828a8148 ("octeontx2-af: Add NPA aura and pool contexts to debugfs")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c index 094124b695dc..aa2ca8780b9c 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c @@ -473,7 +473,7 @@ static ssize_t rvu_dbg_qsize_write(struct file *filp, u16 pcifunc; int ret, lf; - cmd_buf = memdup_user(buffer, count); + cmd_buf = memdup_user(buffer, count + 1); if (IS_ERR(cmd_buf)) return -ENOMEM; |