Re: [PATCH] crypto: algapi - fix NULL dereference in crypto_remove_spawns()

2018-01-05 Thread Herbert Xu
On Fri, Dec 29, 2017 at 02:30:19PM -0600, Eric Biggers wrote: > From: Eric Biggers > > syzkaller triggered a NULL pointer dereference in crypto_remove_spawns() > via a program that repeatedly and concurrently requests AEADs > "authenc(cmac(des3_ede-asm),pcbc-aes-aesni)" and hashes "cmac(des3_ede)

[PATCH] crypto: algapi - fix NULL dereference in crypto_remove_spawns()

2017-12-29 Thread Eric Biggers
From: Eric Biggers syzkaller triggered a NULL pointer dereference in crypto_remove_spawns() via a program that repeatedly and concurrently requests AEADs "authenc(cmac(des3_ede-asm),pcbc-aes-aesni)" and hashes "cmac(des3_ede)" through AF_ALG, where the hashes are requested as "untested" (CRYPTO_A