diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/setgroups.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/setgroups.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/setgroups.c b/sysdeps/unix/sysv/linux/i386/setgroups.c index 5e73352a1a..a2553b6a25 100644 --- a/sysdeps/unix/sysv/linux/i386/setgroups.c +++ b/sysdeps/unix/sysv/linux/i386/setgroups.c @@ -23,14 +23,16 @@ #include <sysdep.h> #include <sys/syscall.h> +#include <bp-checks.h> + #include <linux/posix_types.h> #include "kernel-features.h" -extern int __syscall_setgroups (int, const __kernel_gid_t *); +extern int __syscall_setgroups (int, const __kernel_gid_t *__unbounded); #ifdef __NR_setgroups32 -extern int __syscall_setgroups32 (int, const __kernel_gid32_t *); +extern int __syscall_setgroups32 (int, const __kernel_gid32_t *__unbounded); # if __ASSUME_32BITUIDS == 0 /* This variable is shared with all files that need to check for 32bit uids. */ @@ -52,17 +54,18 @@ setgroups (size_t n, const gid_t *groups) else { #if __ASSUME_32BITUIDS > 0 - return INLINE_SYSCALL (setgroups32, 2, n, groups); + return INLINE_SYSCALL (setgroups32, 2, n, CHECK_N (groups, n)); #else size_t i; __kernel_gid_t kernel_groups[n]; + # ifdef __NR_setgroups32 if (__libc_missing_32bit_uids <= 0) { int result; int saved_errno = errno; - result = INLINE_SYSCALL (setgroups32, 2, n, groups); + result = INLINE_SYSCALL (setgroups32, 2, n, CHECK_N (groups, n)); if (result == 0 || errno != ENOSYS) return result; @@ -72,7 +75,7 @@ setgroups (size_t n, const gid_t *groups) # endif /* __NR_setgroups32 */ for (i = 0; i < n; i++) { - kernel_groups[i] = groups[i]; + kernel_groups[i] = (__ptrvalue (groups))[i]; if (groups[i] != (gid_t) ((__kernel_gid_t) groups[i])) { __set_errno (EINVAL); @@ -80,7 +83,7 @@ setgroups (size_t n, const gid_t *groups) } } - return INLINE_SYSCALL (setgroups, 2, n, kernel_groups); + return INLINE_SYSCALL (setgroups, 2, n, CHECK_N (kernel_groups, n)); #endif } } |