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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>		20 years ago
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alpha	…
arm	[PATCH] arm: fix IXP4xx flash resource range	20 years ago
arm26	…
cris	…
frv	…
h8300	…
i386	…
ia64	[PATCH] Export pcibios_bus_to_resource	20 years ago
m32r	…
m68k	…
m68knommu	…
mips	…
parisc	…
ppc	[PATCH] ppc32 8xx: fix m8xx_ide_init() #ifdef	20 years ago
ppc64	…
s390	…
sh	…
sh64	…
sparc	…
sparc64	[PATCH] Export pcibios_bus_to_resource	20 years ago
um	[PATCH] mmaper_kern.c fixes [buffer overruns]	20 years ago
v850	…
x86_64	[PATCH] x86_64: Tell VM about holes in nodes	20 years ago
xtensa	…