crypto: talitos - fix ablkcipher for CONFIG_VMAP_STACK
[ 2.364486] WARNING: CPU: 0 PID: 60 at ./arch/powerpc/include/asm/io.h:837 dma_nommu_map_page+0x44/0xd4
[ 2.373579] CPU: 0 PID: 60 Comm: cryptomgr_test Tainted: G W
4.20.0-rc5-00560-g6bfb52e23a00-dirty #531
[ 2.384740] NIP:
c000c540 LR:
c000c584 CTR:
00000000
[ 2.389743] REGS:
c95abab0 TRAP: 0700 Tainted: G W (
4.20.0-rc5-00560-g6bfb52e23a00-dirty)
[ 2.400042] MSR:
00029032 <EE,ME,IR,DR,RI> CR:
24042204 XER:
00000000
[ 2.406669]
[ 2.406669] GPR00:
c02f2244 c95abb60 c6262990 c95abd80 0000256a 00000001 00000001 00000001
[ 2.406669] GPR08:
00000000 00002000 00000010 00000010 24042202 00000000 00000100 c95abd88
[ 2.406669] GPR16:
00000000 c05569d4 00000001 00000010 c95abc88 c0615664 00000004 00000000
[ 2.406669] GPR24:
00000010 c95abc88 c95abc88 00000000 c61ae210 c7ff6d40 c61ae210 00003d68
[ 2.441559] NIP [
c000c540] dma_nommu_map_page+0x44/0xd4
[ 2.446720] LR [
c000c584] dma_nommu_map_page+0x88/0xd4
[ 2.451762] Call Trace:
[ 2.454195] [
c95abb60] [
82000808] 0x82000808 (unreliable)
[ 2.459572] [
c95abb80] [
c02f2244] talitos_edesc_alloc+0xbc/0x3c8
[ 2.465493] [
c95abbb0] [
c02f2600] ablkcipher_edesc_alloc+0x4c/0x5c
[ 2.471606] [
c95abbd0] [
c02f4ed0] ablkcipher_encrypt+0x20/0x64
[ 2.477389] [
c95abbe0] [
c02023b0] __test_skcipher+0x4bc/0xa08
[ 2.483049] [
c95abe00] [
c0204b60] test_skcipher+0x2c/0xcc
[ 2.488385] [
c95abe20] [
c0204c48] alg_test_skcipher+0x48/0xbc
[ 2.494064] [
c95abe40] [
c0205cec] alg_test+0x164/0x2e8
[ 2.499142] [
c95abf00] [
c0200dec] cryptomgr_test+0x48/0x50
[ 2.504558] [
c95abf10] [
c0039ff4] kthread+0xe4/0x110
[ 2.509471] [
c95abf40] [
c000e1d0] ret_from_kernel_thread+0x14/0x1c
[ 2.515532] Instruction dump:
[ 2.518468]
7c7e1b78 7c9d2378 7cbf2b78 41820054 3d20c076 8089c200 3d20c076 7c84e850
[ 2.526127]
8129c204 7c842e70 7f844840 419c0008 <
0fe00000>
2f9e0000 54847022 7c84fa14
[ 2.533960] ---[ end trace
bf78d94af73fe3b8 ]---
[ 2.539123] talitos
ff020000.crypto: master data transfer error
[ 2.544775] talitos
ff020000.crypto: TEA error: ISR 0x20000000_00000040
[ 2.551625] alg: skcipher: encryption failed on test 1 for ecb-aes-talitos: ret=22
IV cannot be on stack when CONFIG_VMAP_STACK is selected because the stack
cannot be DMA mapped anymore.
This patch copies the IV into the extended descriptor.
Fixes:
4de9d0b547b9 ("crypto: talitos - Add ablkcipher algorithms")
Cc: stable@vger.kernel.org
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Reviewed-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>