Messages in this thread | | | Date | Mon, 26 Sep 2022 11:04:03 +0100 | Subject | Re: [syzbot] KASAN: invalid-free in io_clean_op | From | Pavel Begunkov <> |
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On 9/25/22 18:54, Pavel Begunkov wrote: > On 9/25/22 18:29, syzbot wrote: >> Hello, >> >> syzbot found the following issue on: >> >> HEAD commit: aaa11ce2ffc8 Add linux-next specific files for 20220923 >> git tree: linux-next >> console+strace: https://syzkaller.appspot.com/x/log.txt?x=1608cadf080000 >> kernel config: https://syzkaller.appspot.com/x/.config?x=186d1ff305f10294 >> dashboard link: https://syzkaller.appspot.com/bug?extid=edfd15cd4246a3fc615a >> compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 >> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=144acdef080000 >> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10686540880000 >> >> IMPORTANT: if you fix the issue, please add the following tag to the commit: >> Reported-by: syzbot+edfd15cd4246a3fc615a@syzkaller.appspotmail.com > > #syz test: git://git.kernel.dk/linux.git for-6.1/io_uring
Should be similar to the previous net/op_clean problem but now zc and because of that we set CLEANUP too early. Just a guess, will take a look at the repro
-- Pavel Begunkov
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