On Wed, Aug 24, 2016 at 03:34:40PM +0800, Li Zhong wrote: > walk.iv is not assigned a value in blkcipher_walk_init. It makes iv uninitialized. > It is possibly a null value(as shown below), which is then used by aes_p8_encrypt. > > This patch moves iv = walk.iv after blkcipher_walk_virt, in which walk.iv is set. > > [17856.268050] Unable to handle kernel paging request for data at address 0x00000000 > [17856.268212] Faulting instruction address: 0xd000000002ff04bc > 7:mon> t > [link register ] d000000002ff47b8 p8_aes_xts_crypt+0x168/0x2a0 [vmx_crypto] (938) > [c000000013b77960] d000000002ff4794 p8_aes_xts_crypt+0x144/0x2a0 [vmx_crypto] (unreliable) > [c000000013b77a70] c000000000544d64 skcipher_decrypt_blkcipher+0x64/0x80 > [c000000013b77ac0] d000000003c0175c crypt_convert+0x53c/0x620 [dm_crypt] > [c000000013b77ba0] d000000003c043fc kcryptd_crypt+0x3cc/0x440 [dm_crypt] > [c000000013b77c50] c0000000000f3070 process_one_work+0x1e0/0x590 > [c000000013b77ce0] c0000000000f34c8 worker_thread+0xa8/0x660 > [c000000013b77d80] c0000000000fc0b0 kthread+0x110/0x130 > [c000000013b77e30] c0000000000098f0 ret_from_kernel_thread+0x5c/0x6c > > Signed-off-by: Li Zhong <zhong@xxxxxxxxxxxxxxxxxx> Patch applied. Thanks. -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
