Hi Xiaobing, > There is a negative offset of an on-stack array that causes an out of > bounds issue when someone called with a zero 'count' argument to > syswrite(). > > buf[count - 1] > > We should add an extra check in rproc_coredump_write() to prevent the > access. > > Signed-off-by: Xiaobing shi <xiaobing.shi@xxxxxxxxxxxx> Thanks for the patch. However, Alistair has fixed this issue: https://lore.kernel.org/all/20220119232139.1125908-1-adelva@xxxxxxxxxx/ Thanks, Miles
