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b92f7d |
diff --git a/execute_cmd.c b/execute_cmd.c
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b92f7d |
index a988400..412128c 100644
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b92f7d |
--- a/execute_cmd.c
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b92f7d |
+++ b/execute_cmd.c
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b92f7d |
@@ -5760,7 +5760,7 @@ shell_execve (command, args, env)
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b92f7d |
Elf32_Ehdr ehdr;
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b92f7d |
Elf32_Phdr *phdr;
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b92f7d |
Elf32_Shdr *shdr;
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b92f7d |
- int nphdr, nshdr;
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b92f7d |
+ Elf32_Half nphdr, nshdr;
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b92f7d |
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b92f7d |
/* We have to copy the data since the sample buffer
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b92f7d |
might not be aligned correctly to be accessed as
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b92f7d |
@@ -5768,12 +5768,12 @@ shell_execve (command, args, env)
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b92f7d |
memcpy (&ehdr, sample, sizeof (Elf32_Ehdr));
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b92f7d |
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b92f7d |
nshdr = ehdr.e_shnum;
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b92f7d |
- shdr = (Elf32_Shdr *) malloc (nshdr * ehdr.e_shentsize);
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b92f7d |
+ shdr = (Elf32_Shdr *) malloc ((size_t)nshdr * (size_t)ehdr.e_shentsize);
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b92f7d |
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b92f7d |
if (shdr != NULL)
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b92f7d |
{
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b92f7d |
#ifdef HAVE_PREAD
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b92f7d |
- sample_len = pread (fd, shdr, nshdr * ehdr.e_shentsize,
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b92f7d |
+ sample_len = pread (fd, shdr, (size_t)nshdr * (size_t)ehdr.e_shentsize,
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b92f7d |
ehdr.e_shoff);
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b92f7d |
#else
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b92f7d |
if (lseek (fd, ehdr.e_shoff, SEEK_SET) != -1)
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b92f7d |
@@ -5815,11 +5815,11 @@ shell_execve (command, args, env)
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b92f7d |
}
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b92f7d |
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b92f7d |
nphdr = ehdr.e_phnum;
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b92f7d |
- phdr = (Elf32_Phdr *) malloc (nphdr * ehdr.e_phentsize);
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b92f7d |
+ phdr = (Elf32_Phdr *) malloc ((size_t)nphdr * (size_t)ehdr.e_phentsize);
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b92f7d |
if (phdr != NULL)
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b92f7d |
{
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b92f7d |
#ifdef HAVE_PREAD
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b92f7d |
- sample_len = pread (fd, phdr, nphdr * ehdr.e_phentsize,
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b92f7d |
+ sample_len = pread (fd, phdr, (size_t)nphdr * (size_t)ehdr.e_phentsize,
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b92f7d |
ehdr.e_phoff);
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b92f7d |
#else
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b92f7d |
if (lseek (fd, ehdr.e_phoff, SEEK_SET) != -1)
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b92f7d |
@@ -5844,7 +5844,7 @@ shell_execve (command, args, env)
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b92f7d |
Elf64_Ehdr ehdr;
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b92f7d |
Elf64_Phdr *phdr;
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b92f7d |
Elf64_Shdr *shdr;
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b92f7d |
- int nphdr, nshdr;
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b92f7d |
+ Elf32_Half nphdr, nshdr;
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b92f7d |
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b92f7d |
/* We have to copy the data since the sample buffer
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b92f7d |
might not be aligned correctly to be accessed as
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b92f7d |
@@ -5852,11 +5852,11 @@ shell_execve (command, args, env)
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b92f7d |
memcpy (&ehdr, sample, sizeof (Elf64_Ehdr));
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b92f7d |
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b92f7d |
nshdr = ehdr.e_shnum;
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b92f7d |
- shdr = (Elf64_Shdr *) malloc (nshdr * ehdr.e_shentsize);
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b92f7d |
+ shdr = (Elf64_Shdr *) malloc ((size_t)nshdr * (size_t)ehdr.e_shentsize);
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b92f7d |
if (shdr != NULL)
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b92f7d |
{
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b92f7d |
#ifdef HAVE_PREAD
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b92f7d |
- sample_len = pread (fd, shdr, nshdr * ehdr.e_shentsize,
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b92f7d |
+ sample_len = pread (fd, shdr, (size_t)nshdr * (size_t)ehdr.e_shentsize,
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b92f7d |
ehdr.e_shoff);
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b92f7d |
#else
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b92f7d |
if (lseek (fd, ehdr.e_shoff, SEEK_SET) != -1)
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b92f7d |
@@ -5898,11 +5898,11 @@ shell_execve (command, args, env)
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b92f7d |
}
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b92f7d |
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b92f7d |
nphdr = ehdr.e_phnum;
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b92f7d |
- phdr = (Elf64_Phdr *) malloc (nphdr * ehdr.e_phentsize);
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b92f7d |
+ phdr = (Elf64_Phdr *) malloc ((size_t)nphdr * (size_t)ehdr.e_phentsize);
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b92f7d |
if (phdr != NULL)
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b92f7d |
{
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b92f7d |
#ifdef HAVE_PREAD
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b92f7d |
- sample_len = pread (fd, phdr, nphdr * ehdr.e_phentsize,
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b92f7d |
+ sample_len = pread (fd, phdr, (size_t)nphdr * (size_t)ehdr.e_phentsize,
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b92f7d |
ehdr.e_phoff);
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b92f7d |
#else
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b92f7d |
if (lseek (fd, ehdr.e_phoff, SEEK_SET) != -1)
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b92f7d |
@@ -5924,8 +5924,8 @@ shell_execve (command, args, env)
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b92f7d |
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b92f7d |
if (offset != -1)
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b92f7d |
{
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b92f7d |
- size_t maxlen = 0;
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b92f7d |
- size_t actlen = 0;
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b92f7d |
+ ssize_t maxlen = 0;
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b92f7d |
+ ssize_t actlen = 0;
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b92f7d |
char *interp = NULL;
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b92f7d |
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b92f7d |
do
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b92f7d |
@@ -5974,7 +5974,8 @@ shell_execve (command, args, env)
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b92f7d |
}
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b92f7d |
#endif
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b92f7d |
#if defined (HAVE_HASH_BANG_EXEC) || defined (HAVE_ELF_H)
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b92f7d |
- close (fd);
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b92f7d |
+ if (fd >= 0)
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b92f7d |
+ close (fd);
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b92f7d |
#endif
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b92f7d |
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b92f7d |
errno = i;
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b92f7d |
--
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b92f7d |
2.17.2
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b92f7d |
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