On 2020/03/30 22:51, syzbot wrote:

Hello,

syzbot found the following crash on:

HEAD commit:    1b649e0b Merge git://git.kernel.org/pub/scm/linux/kernel/g..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=14957099e00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=4ac76c43beddbd9
dashboard link: https://syzkaller.appspot.com/bug?extid=89731ccb6fec15ce1c22
compiler:       clang version 10.0.0 (https://github.com/llvm/llvm-project/ c2443155a0fb245c8f17f2c1c72b6ea391e86e81)
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1202c375e00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1390bb03e00000

Wrong bisection. This is not a network / driver problem.
There is a memory allocation fault injection prior to this panic.

  [ T1576] FAULT_INJECTION: forcing a failure.
  [ T1576] Kernel panic - not syncing: smack:  Failed to initialize cipso DOI.