On Tue, Dec 29, 2020 at 11:40:39PM -0800, Song Liu wrote: > From: Kevin Vigor <kvigor@xxxxxxxxx> > > In __make_request() a new r10bio is allocated and passed to > raid10_read_request(). The read_slot member of the bio is not > initialized, and the raid10_read_request() uses it to index an > array. This leads to occasional panics. > > Fix by initializing the field to invalid value and checking for > valid value in raid10_read_request(). > > Cc: stable@xxxxxxxxxxxxxxx # v4.14+ > Signed-off-by: Kevin Vigor <kvigor@xxxxxxxxx> > Signed-off-by: Song Liu <songliubraving@xxxxxx> > (cherry picked from commit 93decc563637c4288380912eac0eb42fb246cc04) > --- > drivers/md/raid10.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) Now queued up, thanks. greg k-h
