On Mon, Jun 26, 2023 at 03:07:01PM +0800, kernel test robot wrote:
>
> [ 7.727242][ T1] cfg80211: Loading compiled-in X.509 certificates for regulatory database
> [ 7.737831][ T1] BUG: kernel NULL pointer dereference, address: 00000010
> [ 7.739122][ T1] #PF: supervisor read access in kernel mode
> [ 7.740125][ T1] #PF: error_code(0x0000) - not-present page
> [ 7.741135][ T1] *pdpt = 0000000000000000 *pde = f000ff53f000ff53
> [ 7.742337][ T1] Oops: 0000 [#1]
> [ 7.742986][ T1] CPU: 0 PID: 1 Comm: swapper Tainted: G S 6.4.0-rc1-00077-g63ba4d67594a #2
> [ 7.744804][ T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
> [ 7.746660][ T1] EIP: crypto_sig_verify+0x82/0xa4
---8<---
The request tfm needs to be set.
Fixes: addde1f2c966 ("crypto: akcipher - Add sync interface without SG lists")
Reported-by: kernel test robot <oliver.sang@xxxxxxxxx>
Closes: https://lore.kernel.org/oe-lkp/202306261421.2ac744fa-oliver.sang@xxxxxxxxx
diff --git a/crypto/akcipher.c b/crypto/akcipher.c
index 152cfba1346c..8ffd31c44cf6 100644
--- a/crypto/akcipher.c
+++ b/crypto/akcipher.c
@@ -207,6 +207,7 @@ int crypto_akcipher_sync_prep(struct crypto_akcipher_sync_data *data)
return -ENOMEM;
data->req = req;
+ akcipher_request_set_tfm(req, data->tfm);
buf = (u8 *)(req + 1) + reqsize;
data->buf = buf;
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
