Re: KASAN: use-after-free Read in blkcipher_walk_virt
From: Eric Biggers <hidden>
Date: 2017-11-30 09:00:02
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On Thu, Nov 30, 2017 at 12:37:01AM -0800, syzbot wrote:
================================================================== BUG: KASAN: use-after-free in crypto_tfm_alg_blocksize include/linux/crypto.h:671 [inline] BUG: KASAN: use-after-free in crypto_blkcipher_blocksize include/linux/crypto.h:1214 [inline] BUG: KASAN: use-after-free in blkcipher_walk_virt+0x286/0x2a0 crypto/blkcipher.c:304 Read of size 8 at addr ffff8801ccba7f38 by task syz-executor5/4473
#syz dup: KASAN: use-after-free Read in aead_recvmsg