bpf: Fix tr dereference #5691
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bpf: Fix tr dereference #5691
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Fix 'tr' dereferencing bug when CONFIG_BPF_JIT is turned off. When CONFIG_BPF_JIT is turned off, 'bpf_trampoline_get()' returns NULL, which is same as the cases when CONFIG_BPF_JIT is turned on. v1->v2: * Comments from Alexei: * Return NULL in that case. Fixes: f7b12b6 ("bpf: verifier: refactor check_attach_btf_id()") Reported-by: kernel test robot <[email protected]> Reported-by: Dan Carpenter <[email protected]> Closes: https://lore.kernel.org/r/[email protected]/ Signed-off-by: Leon Hwang <[email protected]>
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Fix 'tr' dereferencing bug when CONFIG_BPF_JIT is turned off.
When CONFIG_BPF_JIT is turned off, 'bpf_trampoline_get()' returns NULL, which is same as the cases when CONFIG_BPF_JIT is turned on.
v1->v2:
Fixes: f7b12b6 ("bpf: verifier: refactor check_attach_btf_id()")
Reported-by: kernel test robot [email protected]
Reported-by: Dan Carpenter [email protected]
Closes: https://lore.kernel.org/r/[email protected]/