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ubsan: libctf: applying zero offset to null pointer

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* ctf-open.c (init_symtab): Avoid ubsan error.
This commit is contained in:
Alan Modra
2021-09-03 08:34:05 +09:30
parent 06520412a5
commit 174fe10cb6
1 changed files with 1 additions and 1 deletions
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libctf/ctf-open.c
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@ -238,7 +238,7 @@ init_symtab (ctf_dict_t *fp, const ctf_header_t *hp, const ctf_sect_t *sp)
int skip_func_info = 0; int skip_func_info = 0;
int i; int i;
uint32_t *xp = fp->ctf_sxlate; uint32_t *xp = fp->ctf_sxlate;
uint32_t *xend = xp + fp->ctf_nsyms; uint32_t *xend = PTR_ADD (xp, fp->ctf_nsyms);
uint32_t objtoff = hp->cth_objtoff; uint32_t objtoff = hp->cth_objtoff;
uint32_t funcoff = hp->cth_funcoff; uint32_t funcoff = hp->cth_funcoff;