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* sysdeps/gnu/bits/msq.h: Qualify kernel's

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data structure pointers as __unbounded. 
* sysdeps/unix/sysv/linux/mips/bits/shm.h: Likewise. 
* sysdeps/generic/bp-semctl.h: New file. 
* sysdeps/unix/sysv/linux/msgctl.c: Qualify kernel's data structure 
pointers as __unbounded.  Check bounds of syscall args. 
* sysdeps/unix/sysv/linux/msgrcv.c: Likewise. 
* sysdeps/unix/sysv/linux/msgsnd.c: Likewise. 
* sysdeps/unix/sysv/linux/semctl.c: Likewise. 
* sysdeps/unix/sysv/linux/semop.c: Likewise. 
* sysdeps/unix/sysv/linux/shmat.c: Likewise. 
* sysdeps/unix/sysv/linux/shmctl.c: Likewise. 
* sysdeps/unix/sysv/linux/shmdt.c: Likewise. 
* sysdeps/unix/sysv/linux/alpha/msgctl.c: Likewise. 
* sysdeps/unix/sysv/linux/alpha/semctl.c: Likewise. 
* sysdeps/unix/sysv/linux/alpha/shmctl.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/msgctl.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/semctl.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/shmctl.c: Likewise. 
* sysdeps/unix/sysv/linux/sparc/sparc64/msgctl.c: Likewise. 
* sysdeps/unix/sysv/linux/sparc/sparc64/semctl.c: Likewise. 
* sysdeps/unix/sysv/linux/sparc/sparc64/shmctl.c: Likewise.
2000-07-26  Greg McGary  <greg@mcgary.org>

	* sysdeps/gnu/bits/msq.h: Qualify kernel's
	data structure pointers as __unbounded.
	* sysdeps/unix/sysv/linux/mips/bits/shm.h: Likewise.
	* sysdeps/generic/bp-semctl.h: New file.
	* sysdeps/unix/sysv/linux/msgctl.c: Qualify kernel's data structure
	pointers as __unbounded.  Check bounds of syscall args.
	* sysdeps/unix/sysv/linux/msgrcv.c: Likewise.
	* sysdeps/unix/sysv/linux/msgsnd.c: Likewise.
	* sysdeps/unix/sysv/linux/semctl.c: Likewise.
	* sysdeps/unix/sysv/linux/semop.c: Likewise.
	* sysdeps/unix/sysv/linux/shmat.c: Likewise.
	* sysdeps/unix/sysv/linux/shmctl.c: Likewise.
	* sysdeps/unix/sysv/linux/shmdt.c: Likewise.
	* sysdeps/unix/sysv/linux/alpha/msgctl.c: Likewise.
	* sysdeps/unix/sysv/linux/alpha/semctl.c: Likewise.
	* sysdeps/unix/sysv/linux/alpha/shmctl.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/msgctl.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/semctl.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/shmctl.c: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/msgctl.c: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/semctl.c: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/shmctl.c: Likewise.
This commit is contained in:
Greg McGary
2000-07-27 06:25:28 +00:00
parent 4362aba591
commit d25c879dc5
21 changed files with 250 additions and 90 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
sysdeps/unix/sysv/linux/alpha/semctl.c
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@ -49,6 +49,9 @@ union semun
struct seminfo *__buf; /* buffer for IPC_INFO */
};
#include <bp-checks.h>
#include <bp-semctl.h> /* definition of CHECK_SEMCTL needs union semum */
extern int __syscall_semctl (int, int, int, void *);
/* Return identifier for array of NSEMS semaphores associated with
@ -69,7 +72,8 @@ __new_semctl (int semid, int semnum, int cmd, ...)
va_end (ap);
#if __ASSUME_32BITUIDS > 0
return INLINE_SYSCALL (semctl, 4, semid, semnum, cmd | __IPC_64, &arg);
return INLINE_SYSCALL (semctl, 4, semid, semnum, cmd | __IPC_64,
CHECK_SEMCTL (&arg, semid, cmd | __IPC_64));
#else
switch (cmd) {
case SEM_STAT:
@ -77,7 +81,8 @@ __new_semctl (int semid, int semnum, int cmd, ...)
case IPC_SET:
break;
default:
return INLINE_SYSCALL (semctl, 4, semid, semnum, cmd, &arg);
return INLINE_SYSCALL (semctl, 4, semid, semnum, cmd,
CHECK_SEMCTL (&arg, semid, cmd));
}
{
@ -87,7 +92,8 @@ __new_semctl (int semid, int semnum, int cmd, ...)
/* Unfortunately there is no way how to find out for sure whether
we should use old or new semctl. */
result = INLINE_SYSCALL (semctl, 4, semid, semnum, cmd | __IPC_64, &arg);
result = INLINE_SYSCALL (semctl, 4, semid, semnum, cmd | __IPC_64,
CHECK_SEMCTL (&arg, semid, cmd | __IPC_64));
if (result != -1 || errno != EINVAL)
return result;
@ -106,7 +112,8 @@ __new_semctl (int semid, int semnum, int cmd, ...)
return -1;
}
}
result = INLINE_SYSCALL (semctl, 4, semid, semnum, cmd, &arg);
result = INLINE_SYSCALL (semctl, 4, semid, semnum, cmd,
CHECK_SEMCTL (&arg, semid, cmd));
if (result != -1 && cmd != IPC_SET)
{
memset(buf, 0, sizeof(*buf));