mirror of https://gitee.com/openkylin/linux.git
0fd4759c55
Alexander had a test program with direct packet access, where
the access test was in the form of data + X > data_end. In an
unrelated change to the program LLVM decided to swap the branches
and emitted code for the test in form of data + X <= data_end.
We hadn't seen these being generated previously, thus verifier
would reject the program. Therefore, fix up the verifier to
detect all test cases, so we don't run into such issues in the
future.
Fixes:
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|---|---|---|
| .. | ||
| Makefile | ||
| 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 | ||
| map_in_map.c | ||
| map_in_map.h | ||
| percpu_freelist.c | ||
| percpu_freelist.h | ||
| sockmap.c | ||
| stackmap.c | ||
| syscall.c | ||
| tnum.c | ||
| verifier.c | ||