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authorusa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2012-08-21 08:32:01 (GMT)
committerusa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2012-08-21 08:32:01 (GMT)
commit9bae83f89fa644d1572d2ce7dfd67170bf6ce3c2 (patch)
tree5d1241d47dce6737fa551a795d1d4bf565ad657a /addr2line.c
parent4259d2358860aefb7b2ef0c970ffbe41a168420b (diff)
* addr2line.c (fill_lines): need check and cast of the file size of
target binary because there are some platforms which off_t > size_t. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36755 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'addr2line.c')
-rw-r--r--addr2line.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/addr2line.c b/addr2line.c
index 2b0bb90..b8d103e 100644
--- a/addr2line.c
+++ b/addr2line.c
@@ -1,6 +1,6 @@
/**********************************************************************
- addr2line.h -
+ addr2line.c -
$Author$
@@ -458,9 +458,14 @@ fill_lines(int num_traces, void **traces, char **syms, int check_debuglink,
fprintf(stderr, "lseek: %s\n", strerror(e));
return;
}
+ if (filesize > SIZE_MAX) {
+ close(fd);
+ fprintf(stderr, "Too large file %s\n", binary_filename);
+ return;
+ }
lseek(fd, 0, SEEK_SET);
/* async-signal unsafe */
- file = (char *)mmap(NULL, filesize, PROT_READ, MAP_SHARED, fd, 0);
+ file = (char *)mmap(NULL, (size_t)filesize, PROT_READ, MAP_SHARED, fd, 0);
if (file == MAP_FAILED) {
int e = errno;
close(fd);
@@ -470,7 +475,7 @@ fill_lines(int num_traces, void **traces, char **syms, int check_debuglink,
current_line->fd = fd;
current_line->mapped = file;
- current_line->mapped_size = filesize;
+ current_line->mapped_size = (size_t)filesize;
for (i = 0; i < num_traces; i++) {
const char *path;