Messages in this thread | | | From | (Eric W. Biederman) | Date | Wed, 10 Jun 2020 15:17:22 -0500 | Subject | Re: [PATCH v2] proc: s_fs_info may be NULL when proc_kill_sb is called |
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Alexey Gladkov <gladkov.alexey@gmail.com> writes:
> syzbot found that proc_fill_super() fails before filling up sb->s_fs_info, > deactivate_locked_super() will be called and sb->s_fs_info will be NULL. > The proc_kill_sb() does not expect fs_info to be NULL which is wrong. > > Link: https://lore.kernel.org/lkml/0000000000002d7ca605a7b8b1c5@google.com > Reported-by: syzbot+4abac52934a48af5ff19@syzkaller.appspotmail.com > Fixes: fa10fed30f25 ("proc: allow to mount many instances of proc in one pid namespace") > Signed-off-by: Alexey Gladkov <gladkov.alexey@gmail.com>
applied
Eric
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