[Linux-kernel-mentees] [PATCH] dma-buf: Fix NULL pointer dereference in dma_buf_release()

[Peilin Ye]

#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master

[syzbot]

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+434271...@syzkaller.appspotmail.com

Tested on:

commit: fc80c51f Merge tag 'kbuild-v5.9' of git://git.kernel.org/p..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=a3e0dc447adb4cdb
dashboard link: https://syzkaller.appspot.com/bug?extid=4342719956b367864c91
compiler: gcc (GCC) 10.1.0-syz 20200507
patch: https://syzkaller.appspot.com/x/patch.diff?x=17da55e6900000

Note: testing is done by a robot and is best-effort only.