From 756d4686b39ff2a93f1aab3ac223d5257ce6d7cc Mon Sep 17 00:00:00 2001 From: markj Date: Tue, 29 Oct 2013 03:52:05 +0000 Subject: [PATCH] Fix an off-by-one error when checking whether a given address is within the extent of a symbol. Submitted by: Prashanth Kumar Reviewed by: rpaulo MFC after: 1 week --- lib/libproc/proc_sym.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/libproc/proc_sym.c b/lib/libproc/proc_sym.c index 4f3d83b15e78..87ac47145bc0 100644 --- a/lib/libproc/proc_sym.c +++ b/lib/libproc/proc_sym.c @@ -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])