Re: Slab out of bounds in setxattr
shankarapailoor <[email protected]> Fri, 1 Jun 2018 14:02:58 -0700
| Newsgroups | gmane.comp.file-systems.jfs.general |
|---|---|
| Message-ID | <CAB+yDaYZ1hz567_xmR4gs=hCMFbD+LYmHMU0pnQeZi1FR=TUXA@mail.gmail.com> |
Sorry for the spam but I forgot to attach the stack trace. Here it is: https://pastebin.com/mNQgfc9t On Fri, Jun 1, 2018 at 2:00 PM, shankarapailoor <[email protected]> wrote: > Sorry I was fuzzing 4.17-rc7 > > On Fri, Jun 1, 2018 at 1:52 PM, shankarapailoor > <[email protected]> wrote: >> Hi Dave et al, >> >> I have been fuzzing linux 4.17-rc4 with JFS using Syzkaller KASAN: >> slab-out-of-bounds in jfs_xattr. >> >> Attached are my kernel configs and a C reproducer. In the first >> setxattr call it appears that length is much larger than the name. In >> __jfs_setxattr, I don't see where the length is checked against the >> actual value length. >> >> Regards, >> Shankara Pailoor > > > > -- > Regards, > Shankara Pailoor -- Regards, Shankara Pailoor ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot