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