diff options
| author | Josh Poimboeuf <[email protected]> | 2017-09-18 14:42:04 -0500 |
|---|---|---|
| committer | Herbert Xu <[email protected]> | 2017-09-20 17:42:34 +0800 |
| commit | 3ed7b4d67c6745300c9b5c6baa55da1161b57f60 (patch) | |
| tree | b1667e8330069724dbd53c74b6218c67b275f3d0 /lib/memory-notifier-error-inject.c | |
| parent | c66cc3be2951fad4d7d7f799baf57c8c5cc8d655 (diff) | |
crypto: x86/des3_ede - Fix RBP usage
Using RBP as a temporary register breaks frame pointer convention and
breaks stack traces when unwinding from an interrupt in the crypto code.
Use RSI instead of RBP for RT1. Since RSI is also used as a the 'dst'
function argument, it needs to be saved on the stack until the argument
is needed.
Reported-by: Eric Biggers <[email protected]>
Reported-by: Peter Zijlstra <[email protected]>
Tested-by: Eric Biggers <[email protected]>
Acked-by: Eric Biggers <[email protected]>
Signed-off-by: Josh Poimboeuf <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
Diffstat (limited to 'lib/memory-notifier-error-inject.c')
0 files changed, 0 insertions, 0 deletions