Messages in this thread | | | Date | Mon, 14 Sep 2020 12:08:03 +0100 | From | Matthew Wilcox <> | Subject | Re: [Linux-kernel-mentees] [PATCH] idr: remove WARN_ON_ONCE() when trying to check id |
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On Mon, Sep 14, 2020 at 12:47:24PM +0530, Anmol Karn wrote: > idr_get_next() gives WARN_ON_ONCE() when it gets (id > INT_MAX) true > and this happens when syzbot does fuzzing, and that warning is > expected, but WARN_ON_ONCE() is not required here and, cecking > the condition and returning NULL value would be suffice. > > Reference: commit b9959c7a347 ("filldir[64]: remove WARN_ON_ONCE() for bad directory entries") > Reported-and-tested-by: syzbot+f7204dcf3df4bb4ce42c@syzkaller.appspotmail.com > Link: https://syzkaller.appspot.com/bug?extid=f7204dcf3df4bb4ce42c > Signed-off-by: Anmol Karn <anmol.karan123@gmail.com>
https://lore.kernel.org/netdev/20200605120037.17427-1-willy@infradead.org/
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