diff options
| author | Ilya Leoshkevich <iii@linux.ibm.com> | 2021-09-07 13:41:16 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-09-22 11:41:28 +0200 |
| commit | 8a09222a512bf7b32e55bb89a033e08522798299 (patch) | |
| tree | 01a78a4efef4e3afb32a69e022168a2b47ebdace /crypto/seqiv.c | |
| parent | 8cd619ed630279c4685165ecbdcbbca503812fd8 (diff) | |
s390/bpf: Fix 64-bit subtraction of the -0x80000000 constant
commit 6e61dc9da0b7a0d91d57c2e20b5ea4fd2d4e7e53 upstream.
The JIT uses agfi for subtracting constants, but -(-0x80000000) cannot
be represented as a 32-bit signed binary integer. Fix by using algfi in
this particular case.
Reported-by: Johan Almbladh <johan.almbladh@anyfinetworks.com>
Fixes: 054623105728 ("s390/bpf: Add s390x eBPF JIT compiler backend")
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'crypto/seqiv.c')
0 files changed, 0 insertions, 0 deletions