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| author |   Minjie Du <duminjie@vivo.com> | 2023-07-17 17:26:48 +0800 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2023-10-20 23:22:17 +1100 |
| commit | ca2b746d5f91a37f01baedff54b9315a50ee617d (patch) | |
| tree | b1453627707cde7a383b99f319296a9841acf9e0 | |
| parent | powerpc/code-patching: Perform hwsync in __patch_instruction() in case of failure (diff) | |
| download | wireguard-linux-ca2b746d5f91a37f01baedff54b9315a50ee617d.tar.xz wireguard-linux-ca2b746d5f91a37f01baedff54b9315a50ee617d.zip | |
powerpc/pseries: use kfree_sensitive() in plpks_gen_password()
password might contain private information, so better use
kfree_sensitive to free it.
In plpks_gen_password() use kfree_sensitive().
Signed-off-by: Minjie Du <duminjie@vivo.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230717092648.9752-1-duminjie@vivo.com
| -rw-r--r-- | arch/powerpc/platforms/pseries/plpks.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/platforms/pseries/plpks.c b/arch/powerpc/platforms/pseries/plpks.c index 2d40304eb6c1..febe18f251d0 100644 --- a/arch/powerpc/platforms/pseries/plpks.c +++ b/arch/powerpc/platforms/pseries/plpks.c @@ -150,7 +150,7 @@ static int plpks_gen_password(void) ospasswordlength = maxpwsize; ospassword = kzalloc(maxpwsize, GFP_KERNEL); if (!ospassword) { - kfree(password); + kfree_sensitive(password); return -ENOMEM; } memcpy(ospassword, password, ospasswordlength); @@ -163,7 +163,7 @@ static int plpks_gen_password(void) } } out: - kfree(password); + kfree_sensitive(password); return pseries_status_to_err(rc); } |