syzbot


KMSAN: uninit-value in ppp_async_push (2)
Status: internal: reported C repro on 2021/12/07 14:26
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: 44073187990d ppp: ensure minimum packet size in ppp_write()
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: 51d, last: 2h22m
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KMSAN: uninit-value in ppp_async_push C 3187 195d 485d 0/22 closed as invalid on 2021/10/06 02:59
upstream KMSAN: uninit-value in ppp_send_frame C 5 3d13h 24d 19/22 internal: reported C repro on 2022/01/03 11:22

Sample crash report:

Crashes (226):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kmsan-gce 2021/12/07 22:29 https://github.com/google/kmsan.git master 8b936c96768e 0230ba3e .config log report syz C KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce 2022/01/27 18:01 https://github.com/google/kmsan.git master 85cfd6e539bd 64a8e201 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce 2022/01/27 10:20 https://github.com/google/kmsan.git master 85cfd6e539bd 2cbffd88 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce 2022/01/27 06:44 https://github.com/google/kmsan.git master 85cfd6e539bd 2cbffd88 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce 2022/01/27 05:29 https://github.com/google/kmsan.git master 85cfd6e539bd 2cbffd88 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce 2022/01/27 00:39 https://github.com/google/kmsan.git master 85cfd6e539bd 2cbffd88 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce 2022/01/26 13:42 https://github.com/google/kmsan.git master 85cfd6e539bd 2cbffd88 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce 2022/01/26 12:38 https://github.com/google/kmsan.git master 85cfd6e539bd 2cbffd88 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce 2022/01/26 08:45 https://github.com/google/kmsan.git master 85cfd6e539bd 2cbffd88 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce 2022/01/25 18:02 https://github.com/google/kmsan.git master 85cfd6e539bd 2cbffd88 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce 2022/01/25 14:27 https://github.com/google/kmsan.git master 85cfd6e539bd 2cbffd88 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce 2022/01/25 13:03 https://github.com/google/kmsan.git master 85cfd6e539bd 2cbffd88 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce 2022/01/22 16:55 https://github.com/google/kmsan.git master 85cfd6e539bd 214351e1 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce 2022/01/22 02:14 https://github.com/google/kmsan.git master 85cfd6e539bd 214351e1 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce 2022/01/21 18:06 https://github.com/google/kmsan.git master 85cfd6e539bd 214351e1 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce 2022/01/21 10:16 https://github.com/google/kmsan.git master 85cfd6e539bd ab3d9f17 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce 2022/01/21 08:58 https://github.com/google/kmsan.git master 85cfd6e539bd ab3d9f17 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce 2022/01/21 04:30 https://github.com/google/kmsan.git master 85cfd6e539bd ab3d9f17 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce 2022/01/20 12:15 https://github.com/google/kmsan.git master 85cfd6e539bd 5da9499f .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce 2022/01/19 22:12 https://github.com/google/kmsan.git master fa3879a274df 5da9499f .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce 2022/01/19 19:43 https://github.com/google/kmsan.git master fa3879a274df 0620189b .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce 2022/01/08 21:16 https://github.com/google/kmsan.git master 81c325bbf94e 2ca0d385 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce 2022/01/08 20:03 https://github.com/google/kmsan.git master 81c325bbf94e 2ca0d385 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce 2022/01/08 18:11 https://github.com/google/kmsan.git master 81c325bbf94e 2ca0d385 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce 2022/01/07 07:37 https://github.com/google/kmsan.git master 81c325bbf94e 6acc789a .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce 2022/01/06 23:41 https://github.com/google/kmsan.git master 81c325bbf94e 6acc789a .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce 2022/01/06 16:05 https://github.com/google/kmsan.git master 81c325bbf94e 6acc789a .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce 2022/01/06 10:05 https://github.com/google/kmsan.git master 81c325bbf94e 6acc789a .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce 2022/01/05 09:08 https://github.com/google/kmsan.git master 81c325bbf94e 0a2584dd .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce 2021/12/07 14:17 https://github.com/google/kmsan.git master 8b936c96768e 0230ba3e .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce 2021/12/07 14:14 https://github.com/google/kmsan.git master 8b936c96768e 0230ba3e .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce-386 2022/01/27 01:44 https://github.com/google/kmsan.git master 85cfd6e539bd 2cbffd88 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce-386 2022/01/26 16:42 https://github.com/google/kmsan.git master 85cfd6e539bd 2cbffd88 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce-386 2022/01/26 00:33 https://github.com/google/kmsan.git master 85cfd6e539bd 2cbffd88 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce-386 2022/01/25 08:49 https://github.com/google/kmsan.git master 85cfd6e539bd 2cbffd88 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce-386 2022/01/22 06:02 https://github.com/google/kmsan.git master 85cfd6e539bd 214351e1 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce-386 2022/01/22 03:56 https://github.com/google/kmsan.git master 85cfd6e539bd 214351e1 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce-386 2022/01/21 12:17 https://github.com/google/kmsan.git master 85cfd6e539bd ab3d9f17 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce-386 2022/01/20 06:27 https://github.com/google/kmsan.git master fa3879a274df 5da9499f .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce-386 2022/01/17 21:36 https://github.com/google/kmsan.git master fa3879a274df 731a2d23 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce-386 2022/01/10 15:36 https://github.com/google/kmsan.git master 81c325bbf94e 2ca0d385 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce-386 2022/01/10 11:33 https://github.com/google/kmsan.git master 81c325bbf94e 2ca0d385 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce-386 2022/01/10 10:11 https://github.com/google/kmsan.git master 81c325bbf94e 2ca0d385 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce-386 2022/01/10 07:21 https://github.com/google/kmsan.git master 81c325bbf94e 2ca0d385 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce-386 2022/01/09 19:43 https://github.com/google/kmsan.git master 81c325bbf94e 2ca0d385 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce-386 2022/01/09 17:51 https://github.com/google/kmsan.git master 81c325bbf94e 2ca0d385 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce-386 2022/01/08 02:17 https://github.com/google/kmsan.git master 81c325bbf94e 2ca0d385 .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce-386 2022/01/07 06:18 https://github.com/google/kmsan.git master 81c325bbf94e 6acc789a .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce-386 2022/01/05 20:32 https://github.com/google/kmsan.git master 81c325bbf94e 6acc789a .config log report info KMSAN: uninit-value in ppp_async_push
ci-upstream-kmsan-gce-386 2022/01/04 23:04 https://github.com/google/kmsan.git master 81c325bbf94e 0a2584dd .config log report info KMSAN: uninit-value in ppp_async_push