On Sat, Jul 27, 2024 at 02:50:33PM +0200, Vincenzo Mezzela wrote: > From: Johannes Berg <johannes.berg@xxxxxxxxx> > > commit ce04abc3fcc62cd5640af981ebfd7c4dc3bded28 upstream. > > When userspace sets basic rates, it might send us some rates > list that's empty or consists of invalid values only. We're > currently ignoring invalid values and then may end up with a > rates bitmap that's empty, which later results in a warning. > > Reject the call if there were no valid rates. > > [ Conflict resolution involved adjusting the patch to accommodate > changes in the function signature of ieee80211_parse_bitrates, > specifically the updated first parameter ] > > Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx> > Reported-by: syzbot+19013115c9786bfd0c4e@xxxxxxxxxxxxxxxxxxxxxxxxx > Tested-by: syzbot+19013115c9786bfd0c4e@xxxxxxxxxxxxxxxxxxxxxxxxx > Closes: https://syzkaller.appspot.com/bug?extid=19013115c9786bfd0c4e > Signed-off-by: Vincenzo Mezzela <vincenzo.mezzela@xxxxxxxxx> > --- > net/mac80211/cfg.c | 21 +++++++++++---------- > 1 file changed, 11 insertions(+), 10 deletions(-) > We can't take a patch for 5.15 without it also being in 6.1.y for obvious reasons. Please provide a working version for that branch first, and then resend this backport and we will be glad to queue it up. thanks, greg k-h
