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fix bug where read error was treated as success reading library headers

This commit is contained in:
Rich Felker 2013-07-31 14:05:41 -04:00
parent d0c6cb05e7
commit c4f49a6a72
1 changed files with 1 additions and 1 deletions
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2
src/ldso/dynlink.c
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@ -318,7 +318,7 @@ static void *map_library(int fd, struct dso *dso)
size_t i;
ssize_t l = read(fd, buf, sizeof buf);
if (l<sizeof *eh) return 0;
if (l<(int)sizeof *eh) return 0;
eh = buf;
phsize = eh->e_phentsize * eh->e_phnum;
if (phsize + sizeof *eh > l) return 0;