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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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752ba56fb1
The function check_uarg_tail_zero() was created from bpf(2) for BPF_OBJ_GET_INFO_BY_FD without taking the access_ok() nor the PAGE_SIZE checks. Make this checks more generally available while unlikely to be triggered, extend the memory range check and add an explanation including why the ToCToU should not be a security concern. Signed-off-by: Mickaël Salaün <mic@digikod.net> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Cc: Alexei Starovoitov <ast@kernel.org> Cc: David S. Miller <davem@davemloft.net> Cc: Kees Cook <keescook@chromium.org> Cc: Martin KaFai Lau <kafai@fb.com> Link: https://lkml.kernel.org/r/CAGXu5j+vRGFvJZmjtAcT8Hi8B+Wz0e1b6VKYZHfQP_=DXzC4CQ@mail.gmail.com Signed-off-by: David S. Miller <davem@davemloft.net> |
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arraymap.c | ||
bpf_lru_list.c | ||
bpf_lru_list.h | ||
cgroup.c | ||
core.c | ||
devmap.c | ||
hashtab.c | ||
helpers.c | ||
inode.c | ||
lpm_trie.c | ||
Makefile | ||
map_in_map.c | ||
map_in_map.h | ||
percpu_freelist.c | ||
percpu_freelist.h | ||
stackmap.c | ||
syscall.c | ||
tnum.c | ||
verifier.c |