commit | 6e0de817594c61f3b392a9245deeb09609ec707d | [log] [tgz] |
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author | Martin Schwidefsky <schwidefsky@de.ibm.com> | Fri Apr 25 10:53:44 2014 +0200 |
committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | Fri Apr 25 14:03:25 2014 +0200 |
tree | 43eab06f874cef545dd9c116379af3c02dcf55d5 | |
parent | 06cd7a874ec6e09d151aeb1fa8600e14f1ff89f6 [diff] |
s390/bpf,jit: initialize A register if 1st insn is BPF_S_LDX_B_MSH The A register needs to be initialized to zero in the prolog if the first instruction of the BPF program is BPF_S_LDX_B_MSH to prevent leaking the content of %r5 to user space. Cc: <stable@vger.kernel.org> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>