On 4/30/21 4:02 PM, Palash Oswal wrote: > On Fri, Apr 30, 2021 at 8:03 PM Pavel Begunkov <asml.silence@xxxxxxxxx> wrote: >> >> On 4/30/21 3:21 PM, Palash Oswal wrote: >>> On Thursday, March 18, 2021 at 9:40:21 PM UTC+5:30 syzbot wrote: >>>> >>>> Hello, >>>> >>>> syzbot found the following issue on: >>>> >>>> HEAD commit: 0d7588ab riscv: process: Fix no prototype for arch_dup_tas.. >>>> git tree: git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes >>>> console output: https://syzkaller.appspot.com/x/log.txt?x=12dde5aed00000 >>>> kernel config: https://syzkaller.appspot.com/x/.config?x=81c0b708b31626cc >>>> dashboard link: https://syzkaller.appspot.com/bug?extid=11bf59db879676f59e52 >>>> userspace arch: riscv64 >>>> CC: [asml.s...@xxxxxxxxx ax...@xxxxxxxxx io-u...@xxxxxxxxxxxxxxx linux-...@xxxxxxxxxxxxxxx] >>>> >>>> Unfortunately, I don't have any reproducer for this issue yet. >> >> There was so many fixes in 5.12 after this revision, including sqpoll >> cancellation related... Can you try something more up-to-date? Like >> released 5.12 or for-next >> > > The reproducer works for 5.12. > > I tested against the HEAD b1ef997bec4d5cf251bfb5e47f7b04afa49bcdfe > commit on for-next tree > https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git/?h=for-next > and the reproducer fails. Can't reproduce. Does it hang as in the original's report dmesg? Can you paste logs? #syz test: git://git.kernel.dk/linux-block io_uring-5.13 -- Pavel Begunkov