On Mon, Jun 26, 2023, Michael S. Tsirkin wrote: > On Mon, Jun 26, 2023 at 10:03:25AM -0500, Mike Christie wrote: > > On 6/26/23 2:15 AM, Michael S. Tsirkin wrote: > > > On Mon, Jun 26, 2023 at 12:06:54AM -0700, syzbot wrote: > > >> Hello, > > >> > > >> syzbot found the following issue on: > > >> > > >> HEAD commit: 8d2be868b42c Add linux-next specific files for 20230623 > > >> git tree: linux-next > > >> console+strace: https://syzkaller.appspot.com/x/log.txt?x=12872950a80000 > > >> kernel config: https://syzkaller.appspot.com/x/.config?x=d8ac8dd33677e8e0 > > >> dashboard link: https://syzkaller.appspot.com/bug?extid=8540db210d403f1aa214 > > >> 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=15c1b70f280000 > > >> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=122ee4cb280000 > > >> > > >> Downloadable assets: > > >> disk image: https://storage.googleapis.com/syzbot-assets/2a004483aca3/disk-8d2be868.raw.xz > > >> vmlinux: https://storage.googleapis.com/syzbot-assets/5688cb13b277/vmlinux-8d2be868.xz > > >> kernel image: https://storage.googleapis.com/syzbot-assets/76de0b63bc53/bzImage-8d2be868.xz > > >> > > >> The issue was bisected to: > > >> > > >> commit 21a18f4a51896fde11002165f0e7340f4131d6a0 > > >> Author: Mike Christie <michael.christie@xxxxxxxxxx> > > >> Date: Tue Jun 13 01:32:46 2023 +0000 > > >> > > >> vhost: allow userspace to create workers > > >> > > >> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=130850bf280000 > > >> final oops: https://syzkaller.appspot.com/x/report.txt?x=108850bf280000 > > >> console output: https://syzkaller.appspot.com/x/log.txt?x=170850bf280000 > > >> > > >> IMPORTANT: if you fix the issue, please add the following tag to the commit: > > >> Reported-by: syzbot+8540db210d403f1aa214@xxxxxxxxxxxxxxxxxxxxxxxxx > > >> Fixes: 21a18f4a5189 ("vhost: allow userspace to create workers") > > > > > > Mike, would appreciate prompt attention to this as I am preparing > > > a pull request for the merge window and need to make a > > > decision on whether to include your userspace-controlled > > > threading patchset. > > > > > > > Do you want me to resubmit the patchset or submit a patch against your vhost > > branch? > > Resubmit pls. Closing this out from syzbot's perspective since v9 (now in linux-next and Linus' tree) added back Mike's fix. #syz invalid
