On Tue, Feb 21, 2017 at 4:46 PM, Kees Cook <keesc...@chromium.org> wrote: > On Tue, Feb 21, 2017 at 4:39 PM, Chunyu Hu <chuhu.nc...@gmail.com> wrote: >> I hit the similar panic on Fedora 25. Is it the same issue? >> >> >> [ 2.527391] Freeing unused kernel memory: 1688K (ffffffffbdf66000 - >> ffffffffbe10c000) >> [ 2.535222] Write protecting the kernel read-only data: 14336k >> [ 2.542679] Freeing unused kernel memory: 1892K (ffff94cb30827000 - >> ffff94cb30a00000) >> [ 2.553482] Freeing unused kernel memory: 700K (ffff94cb30d51000 - >> ffff94cb30e00000) >> [ 2.572048] x86/mm: Checked W+X mappings: passed, no W+X pages found. >> Fatal: [ 2.598239] traps: init[1] general protection ip:7fc841bfc642 >> sp:7ffc3fd85870 error:0no entropy gathering module dete[ 2.606473] in >> libc-2.24.so[7fc841bc5000+1bd000] >> cted > > I would not expect a vsyscall table problem if it's truly using glibc > 2.24. Maybe something regressed in glibc? That really looks like an > attempt to call vsyscalls?
There should be a vsyscall error if so, and shouldn't it be a page fault, not a gpf? --Andy
