kernel/seccomp.c · 0126574fca2ce0f0d5beb9dade6efb823ff7407b · Tobias Schramm / linux-pinebook-pro · GitLab

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6 years ago

seccomp, bpf: disable preemption before calling into bpf prog · e80d02dd

Alexei Starovoitov authored 6 years ago

All BPF programs must be called with preemption disabled.

Fixes: 568f1967 ("bpf: check that BPF programs run with preemption disabled")
Reported-by: <syzbot+8bf19ee2aa580de7a2a7@syzkaller.appspotmail.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

e80d02dd

seccomp, bpf: disable preemption before calling into bpf prog

Alexei Starovoitov authored 6 years ago

All BPF programs must be called with preemption disabled.

Fixes: 568f1967 ("bpf: check that BPF programs run with preemption disabled")
Reported-by: <syzbot+8bf19ee2aa580de7a2a7@syzkaller.appspotmail.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

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