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Fix an off-by-one error when checking whether a given address is within

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the extent of a symbol.

Submitted by:	Prashanth Kumar <pra_udupi@yahoo.co.in>
Reviewed by:	rpaulo
MFC after:	1 week
This commit is contained in:
Mark Johnston 2013-10-29 03:52:05 +00:00
parent 4219857759
commit 4ec6017e0b
1 changed files with 2 additions and 2 deletions
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4
lib/libproc/proc_sym.c
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@ -285,7 +285,7 @@ proc_addr2sym(struct proc_handle *p, uintptr_t addr, char *name,
* by rtld.
*/
rsym = map->pr_vaddr + sym.st_value;
if (addr >= rsym && addr <= (rsym + sym.st_size)) {
if (addr >= rsym && addr < rsym + sym.st_size) {
s = elf_strptr(e, dynsymstridx, sym.st_name);
if (s) {
if (s[0] == '_' && s[1] == 'Z' && s[2])
@ -325,7 +325,7 @@ proc_addr2sym(struct proc_handle *p, uintptr_t addr, char *name,
rsym = map->pr_vaddr + sym.st_value;
else
rsym = sym.st_value;
if (addr >= rsym && addr <= (rsym + sym.st_size)) {
if (addr >= rsym && addr < rsym + sym.st_size) {
s = elf_strptr(e, symtabstridx, sym.st_name);
if (s) {
if (s[0] == '_' && s[1] == 'Z' && s[2])