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(parent: 3fde4ae) | patch
crypto: aesni - xts_crypt() return if walk.nbytes is 0
authorShreyansh Chouhan <chouhan.shreyansh630@gmail.com>
Sun, 22 Aug 2021 03:45:14 +0000 (09:15 +0530)
committerHerbert Xu <herbert@gondor.apana.org.au>
Fri, 27 Aug 2021 08:30:19 +0000 (16:30 +0800)
commitb9e1776f734565689172efb030c052b838566839
tree1c531524d701de54ed6e289a338ba8a784be2406tree | snapshot
parent3fde4ae9f23898519a493c5468609dd9ea1e3061commit | diff
crypto: aesni - xts_crypt() return if walk.nbytes is 0

xts_crypt() code doesn't call kernel_fpu_end() after calling
kernel_fpu_begin() if walk.nbytes is 0. The correct behavior should be
not calling kernel_fpu_begin() if walk.nbytes is 0.

Reported-by: syzbot+20191dc583eff8602d2d@syzkaller.appspotmail.com
Signed-off-by: Shreyansh Chouhan <chouhan.shreyansh630@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
arch/x86/crypto/aesni-intel_glue.c diff | blob | history
Linux Kernel Source Tree.