Re: WARNING: refcount bug in crypto_mod_get

2020-06-05 Thread Herbert Xu
On Fri, May 01, 2020 at 10:01:14AM -0700, syzbot wrote: > > [ cut here ] > refcount_t: addition on 0; use-after-free. ... > refcount_add include/linux/refcount.h:204 [inline] > refcount_inc include/linux/refcount.h:241 [inline] > crypto_alg_get crypto/internal.h:87 [inlin

WARNING: refcount bug in crypto_mod_get

2020-05-01 Thread syzbot
Hello, syzbot found the following crash on: HEAD commit:6a8b55ed Linux 5.7-rc3 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=11b9156410 kernel config: https://syzkaller.appspot.com/x/.config?x=5b075813ec8b93cd dashboard link: https://syzkaller.appspot