Revision 27de809a3d83a6199664479ebb19712533d6fd9b authored by Björn Töpel on 28 October 2021, 12:51:15 UTC, committed by Jakub Kicinski on 28 October 2021, 15:14:30 UTC
The bpf_jit_binary_free() function requires a non-NULL argument. When the RISC-V BPF JIT fails to converge in NR_JIT_ITERATIONS steps, jit_data->header will be NULL, which triggers a NULL dereference. Avoid this by checking the argument, prior calling the function. Fixes: ca6cb5447cec ("riscv, bpf: Factor common RISC-V JIT code") Signed-off-by: Björn Töpel <bjorn@kernel.org> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/r/20211028125115.514587-1-bjorn@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
1 parent 20af886
msgfmt.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _NET_BPFILTER_MSGFMT_H
#define _NET_BPFILTER_MSGFMT_H
struct mbox_request {
__u64 addr;
__u32 len;
__u32 is_set;
__u32 cmd;
__u32 pid;
};
struct mbox_reply {
__u32 status;
};
#endif
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