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| H A D | gen_init_cpio.c | diff 96aebafa Fri Dec 24 13:28:56 MST 2010 Jesper Juhl <jj@chaosbits.net> gen_init_cpio: Avoid race between call to stat() and call to open() In usr/gen_init_cpio.c::cpio_mkfile() a call to stat() is made based on pathname, subsequently the file is open()'ed and then the value of the initial stat() call is used to allocate a buffer. This is not safe since the file may change between the call to stat() and the call to open(). Safer to just open() the file and then do fstat() using the filedescriptor returned by open. Signed-off-by: Jesper Juhl <jj@chaosbits.net> Acked-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: Michal Marek <mmarek@suse.cz> diff 96aebafa Fri Dec 24 13:28:56 MST 2010 Jesper Juhl <jj@chaosbits.net> gen_init_cpio: Avoid race between call to stat() and call to open() In usr/gen_init_cpio.c::cpio_mkfile() a call to stat() is made based on pathname, subsequently the file is open()'ed and then the value of the initial stat() call is used to allocate a buffer. This is not safe since the file may change between the call to stat() and the call to open(). Safer to just open() the file and then do fstat() using the filedescriptor returned by open. Signed-off-by: Jesper Juhl <jj@chaosbits.net> Acked-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: Michal Marek <mmarek@suse.cz> |
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