android_kernel_xiaomi_sm8350/arch/um
Al Viro 6a029a90f5 [PATCH] mmaper_kern.c fixes [buffer overruns]
- copy_from_user() can fail; ->write() must check its return value.

 - severe buffer overruns both in ->read() and ->write() - lseek to the
   end (i.e.  to mmapper_size) and

	if (count + *ppos > mmapper_size)
		count = count + *ppos - mmapper_size;

   will do absolutely nothing.  Then it will call

	copy_to_user(buf,&v_buf[*ppos],count);

   with obvious results (similar for ->write()).

   Fixed by turning read to simple_read_from_buffer() and by doing
   normal limiting of count in ->write().

 - gratitious lock_kernel() in ->mmap() - it's useless there.

 - lots of gratuitous includes.

Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-08-27 10:11:40 -07:00
..
drivers [PATCH] mmaper_kern.c fixes [buffer overruns] 2005-08-27 10:11:40 -07:00
include [PATCH] uml: Proper clone support for skas0 2005-07-07 18:23:44 -07:00
kernel [PATCH] uml: fix a crash under screen 2005-08-18 12:53:58 -07:00
os-Linux [PATCH] uml: fix the x86_64 build 2005-08-18 12:53:58 -07:00
scripts [PATCH] uml: allow building as 32-bit binary on 64bit host 2005-07-14 09:00:25 -07:00
sys-i386 [PATCH] uml: Fix skas0 stub return 2005-07-28 21:46:04 -07:00
sys-ia64 Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sys-ppc [PATCH] uml: stack dump fix 2005-05-28 16:46:13 -07:00
sys-x86_64 [PATCH] uml: workaround host bug in "TT mode vs. NPTL link fix" 2005-07-14 09:00:24 -07:00
util [PATCH] uml: cross-build support : mk_task and mk_constants 2005-05-05 16:36:35 -07:00
config.release Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
defconfig [PATCH] uml: skas0 - separate kernel address space on stock hosts 2005-07-07 18:23:44 -07:00
Kconfig [NET]: add a top-level Networking menu to *config 2005-07-11 21:03:49 -07:00
Kconfig_char [PATCH] uml: make the emulated iomem driver work on 2.6 2005-06-08 16:21:11 -07:00
Kconfig_i386 [PATCH] uml: skas0 - separate kernel address space on stock hosts 2005-07-07 18:23:44 -07:00
Kconfig_net [PATCH] uml: reintroduce pcap support 2005-07-14 09:00:25 -07:00
Kconfig_scsi Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
Kconfig_x86_64 [PATCH] uml: skas0 - separate kernel address space on stock hosts 2005-07-07 18:23:44 -07:00
Kconfig.debug [PATCH] uml: split CONFIG_FRAME_POINTER from DEBUG_INFO 2005-05-28 16:46:13 -07:00
Makefile [PATCH] uml: add dependency to arch/um/Makefile for parallel builds 2005-07-27 16:25:48 -07:00
Makefile-i386 [PATCH] uml: readd missing define to arch/um/Makefile-i386 2005-07-27 16:25:48 -07:00
Makefile-ia64 Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
Makefile-os-Linux Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
Makefile-ppc Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
Makefile-skas Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
Makefile-tt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
Makefile-x86_64 [PATCH] uml: allow building as 32-bit binary on 64bit host 2005-07-14 09:00:25 -07:00