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Roland McGrath 2005-06-01 19:22:30 +00:00
parent aa524c88c4
commit 712a6bfb58
1 changed files with 33 additions and 0 deletions
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@ -1,5 +1,38 @@
2005-05-31 Dmitry V. Levin <ldv@altlinux.org>
Deal with memory management issues.
* defs.h (tprint_iov): Update prototype.
* desc.c (sys_epoll_wait) [HAVE_SYS_EPOLL_H]: Do not allocate
epoll_event array of arbitrary size on the stack, to avoid
stack overflow.
* file.c (print_xattr_val): Check for integer overflow during
malloc size calculation, to avoid heap corruption.
* io.c (tprint_iov) [HAVE_SYS_UIO_H]: Check for integer overflow
during malloc size calculation, to avoid heap corruption.
Change iovec array handling to avoid heap memory allocation.
* mem.c (get_nodes) [LINUX]: Check for integer overflow during
size calculation and do not allocate array of arbitrary size on
the stack, to avoid stack overflow.
* net.c (printcmsghdr) [HAVE_SENDMSG]: Do not allocate array of
arbitrary size on the stack, to avoid stack overflow. Do not
trust cmsg.cmsg_len to avoid read beyond the end of allocated
object.
(printmsghdr) [HAVE_SENDMSG]: Update tprint_iov() usage.
* process.c (sys_setgroups): Check for integer overflow during
malloc size calculation, to avoid heap corruption. Change gid_t
array handling to avoid heap memory allocation.
(sys_getgroups): Likewise.
(sys_setgroups32) [LINUX]: Likewise.
(sys_getgroups32) [LINUX]: Likewise.
* stream.c (sys_poll) [HAVE_SYS_POLL_H]: Check for integer
overflow during malloc size calculation, to avoid heap corruption.
Change pollfd array handling to avoid heap memory allocation.
* system.c (sys_sysctl) [LINUX]: Check for integer overflow
during malloc size calculation, to avoid heap corruption.
* util.c (dumpiov) [HAVE_SYS_UIO_H]: Check for integer overflow
during malloc size calculation, to avoid heap corruption.
Fixes RH#159196.
* util.c (printxval): Change third argument from "char *" to
"const char *".
(printflags): Add third argument, "const char *", with similar