syzbot


net-next test error: WARNING: refcount bug in ref_tracker_free
Status: internal: reported on 2021/12/14 12:29
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: 1d2f3d3c6268 mptcp: adjust to use netns refcount tracker
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-qemu2-riscv64 ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386]
First crash: 41d, last: 40d

Sample crash report:

Crashes (12):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-net-kasan-gce 2021/12/15 03:11 net-next fe4c82a7e0f0 f752fb53 .config log report net-next test error: WARNING: refcount bug in ref_tracker_free
ci-upstream-net-kasan-gce 2021/12/15 03:11 net-next fe4c82a7e0f0 f752fb53 .config log report net-next test error: WARNING: refcount bug in ref_tracker_free
ci-upstream-net-kasan-gce 2021/12/15 03:11 net-next fe4c82a7e0f0 f752fb53 .config log report net-next test error: WARNING: refcount bug in ref_tracker_free
ci-upstream-net-kasan-gce 2021/12/14 14:58 net-next fe4c82a7e0f0 d018dd31 .config log report net-next test error: WARNING: refcount bug in ref_tracker_free
ci-upstream-net-kasan-gce 2021/12/14 14:58 net-next fe4c82a7e0f0 d018dd31 .config log report net-next test error: WARNING: refcount bug in ref_tracker_free
ci-upstream-net-kasan-gce 2021/12/14 14:58 net-next fe4c82a7e0f0 d018dd31 .config log report net-next test error: WARNING: refcount bug in ref_tracker_free
ci-upstream-net-kasan-gce 2021/12/14 14:19 net-next b4bffa4ceab1 d018dd31 .config log report net-next test error: WARNING: refcount bug in ref_tracker_free
ci-upstream-net-kasan-gce 2021/12/14 14:19 net-next b4bffa4ceab1 d018dd31 .config log report net-next test error: WARNING: refcount bug in ref_tracker_free
ci-upstream-net-kasan-gce 2021/12/14 14:19 net-next b4bffa4ceab1 d018dd31 .config log report net-next test error: WARNING: refcount bug in ref_tracker_free
ci-upstream-net-kasan-gce 2021/12/14 12:28 net-next a3c62a042237 d018dd31 .config log report net-next test error: WARNING: refcount bug in ref_tracker_free
ci-upstream-net-kasan-gce 2021/12/14 12:28 net-next a3c62a042237 d018dd31 .config log report net-next test error: WARNING: refcount bug in ref_tracker_free
ci-upstream-net-kasan-gce 2021/12/14 12:28 net-next a3c62a042237 d018dd31 .config log report net-next test error: WARNING: refcount bug in ref_tracker_free