On Fri, 03. May 14:08, Dmitry Antipov wrote: > On 5/3/24 11:18 AM, Christian König wrote: > > > Attached is a compile only tested patch, please verify if it fixes your problem. > > LGTM, and this is similar to get_file() in __pollwait() and fput() in > free_poll_entry() used in implementation of poll(). Please resubmit to > linux-fsdevel@ including the following: > > Reported-by: syzbot+5d4cb6b4409edfd18646@xxxxxxxxxxxxxxxxxxxxxxxxx > Closes: https://syzkaller.appspot.com/bug?extid=5d4cb6b4409edfd18646 > Tested-by: Dmitry Antipov <dmantipov@xxxxxxxxx> I guess the problem is addressed by commit 4efaa5acf0a1 ("epoll: be better about file lifetimes") which was pushed upstream just before v6.9-rc7. Link: https://lore.kernel.org/lkml/0000000000002d631f0615918f1e@xxxxxxxxxx/
