Re: KMSAN: uninit-value in af_alg_free_areq_sgls

[syzbot]

Hello,

syzbot tried to test the proposed patch but build/boot failed:

failed to checkout kernel repo https://github.com/google/kmsan.git/---:  
failed to run /usr/bin/git [git fetch https://github.com/google/kmsan.git  
---]: exit status 129
error: unknown option `-'
usage: git fetch [<options>] [<repository> [<refspec>...]]
   or: git fetch [<options>] <group>
   or: git fetch --multiple [<options>] [(<repository> | <group>)...]
   or: git fetch --all [<options>]

    -v, --verbose         be more verbose
    -q, --quiet           be more quiet
    --all                 fetch from all remotes
    -a, --append          append to .git/FETCH_HEAD instead of overwriting
    --upload-pack <path>  path to upload pack on remote end
    -f, --force           force overwrite of local branch
    -m, --multiple        fetch from multiple remotes
    -t, --tags            fetch all tags and associated objects
    -n                    do not fetch all tags (--no-tags)
    -p, --prune           prune remote-tracking branches no longer on remote
    --recurse-submodules[=<on-demand>]
                          control recursive fetching of submodules
    --dry-run             dry run
    -k, --keep            keep downloaded pack
    -u, --update-head-ok  allow updating of HEAD ref
    --progress            force progress reporting
    --depth <depth>       deepen history of shallow clone
    --unshallow           convert to a complete repository
    --update-shallow      accept refs that update .git/shallow
    --refmap <refmap>     specify fetch refmap




Tested on:

commit:         [unknown]
git tree:       https://github.com/google/kmsan.git/---
compiler:       clang version 7.0.0 (trunk 334104)
patch:          https://syzkaller.appspot.com/x/patch.diff?x=1207511c400000