On 9/8/21 7:46 AM, Hao Sun wrote: > Hello, > > When using Healer to fuzz the latest Linux kernel, the following crash > was triggered. > > HEAD commit: 4b93c544e90e-thunderbolt: test: split up test cases > git tree: upstream > console output: > https://drive.google.com/file/d/1RZfBThifWgo2CiwPTeNzYG4P0gkZlINT/view?usp=sharing > kernel config: https://drive.google.com/file/d/1c0u2EeRDhRO-ZCxr9MP2VvAtJd6kfg-p/view?usp=sharing > C reproducer: https://drive.google.com/file/d/18LXBclar1FlOngPkayjq8k-vKcw-SR98/view?usp=sharing > Syzlang reproducer: > https://drive.google.com/file/d/1rUgX8kHPhxiYHIbuhZnDZknDe1DzDmhd/view?usp=sharing > Similar report: > https://groups.google.com/u/1/g/syzkaller-bugs/c/siEpifWtNAw/m/IkUK1DmOCgAJ > > If you fix this issue, please add the following tag to the commit: > Reported-by: Hao Sun <sunhao.th@xxxxxxxxx> Reproduced and fixed. "WARNING in io_req_complete_post" should be the same problem, doesn't fail with the fix. Thanks! https://git.kernel.dk/cgit/linux-block/commit/?h=io_uring-5.15&id=713b9825a4c47897f66ad69409581e7734a8728e -- Pavel Begunkov
