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* addr2line.c (fill_lines): need check and cast of the file size of

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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
This commit is contained in:
usa 2012-08-21 08:32:01 +00:00
parent 4259d23588
commit 9bae83f89f
2 changed files with 13 additions and 3 deletions
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11
addr2line.c
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@ -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;