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| author | Alexei Starovoitov <ast@kernel.org> | 2018-01-12 18:59:52 -0800 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2018-01-14 23:05:33 +0100 |
| commit | 68fda450a7df51cff9e5a4d4a4d9d0d5f2589153 (patch) | |
| tree | 555aa6473c3d960c0a95bd9c4843c8b48947cf1f /arch | |
| parent | c366287ebd698ef5e3de300d90cd62ee9ee7373e (diff) | |
bpf: fix 32-bit divide by zero
due to some JITs doing if (src_reg == 0) check in 64-bit mode
for div/mod operations mask upper 32-bits of src register
before doing the check
Fixes: 622582786c9e ("net: filter: x86: internal BPF JIT")
Fixes: 7a12b5031c6b ("sparc64: Add eBPF JIT.")
Reported-by: syzbot+48340bb518e88849e2e3@syzkaller.appspotmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'arch')
0 files changed, 0 insertions, 0 deletions