syzbot


UBSAN: shift-out-of-bounds in load_balance
Status: upstream: reported syz repro on 2021/01/24 09:30
Reported-by: syzbot+d7581744d5fd27c9fbe1@syzkaller.appspotmail.com
Fix commit: 39a2a6eb5c9b sched/fair: Fix shift-out-of-bounds in load_balance()
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-qemu2-riscv64 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-kmsan-gce ci-upstream-kmsan-gce-386 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-arm32]
First crash: 186d, last: 78d
duplicates (1):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
UBSAN: shift-out-of-bounds in detach_tasks syz error error 11 88d 152d 0/22 closed as dup on 2021/06/12 08:25

Sample crash report:

Crashes (2167):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2021/02/24 14:26 upstream c03c21ba6f4e fcc6d71b .config log report syz UBSAN: shift-out-of-bounds in load_balance
ci-upstream-kasan-gce-root 2021/02/22 18:16 upstream 31caf8b2a847 a659b3f1 .config log report syz UBSAN: shift-out-of-bounds in load_balance
ci-upstream-kasan-gce-root 2021/02/22 17:11 upstream 31caf8b2a847 a659b3f1 .config log report syz UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream 2021/05/08 15:39 upstream 18a3c5f7abfd bc5434be .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream 2021/05/08 14:05 upstream 18a3c5f7abfd bc5434be .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream 2021/05/08 11:59 upstream 18a3c5f7abfd bc5434be .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream 2021/05/08 08:45 upstream 18a3c5f7abfd bc5434be .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream 2021/05/08 06:27 upstream 18a3c5f7abfd bc5434be .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream 2021/05/08 05:16 upstream 18a3c5f7abfd bc5434be .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream 2021/05/08 03:57 upstream 18a3c5f7abfd bc5434be .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream 2021/05/07 22:15 upstream 18a3c5f7abfd bc5434be .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream 2021/05/07 17:31 upstream 18a3c5f7abfd f6da8120 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream 2021/05/07 10:02 upstream 18a3c5f7abfd f6da8120 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream 2021/05/07 03:02 upstream 18a3c5f7abfd 06585184 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream 2021/05/06 22:46 upstream 18a3c5f7abfd 06585184 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream 2021/05/06 20:10 upstream 18a3c5f7abfd 06c27ff5 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream 2021/05/06 18:51 upstream 18a3c5f7abfd 06c27ff5 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream 2021/05/06 16:15 upstream 18a3c5f7abfd 06c27ff5 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream 2021/05/06 09:44 upstream 18a3c5f7abfd 06c27ff5 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-upstream-kasan-gce-selinux-root 2021/04/28 03:56 upstream 57fa2369ab17 805b5003 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-upstream-kasan-gce 2021/04/27 08:05 upstream 4a0225c3d208 805b5003 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-upstream-kasan-gce 2021/04/27 06:53 upstream 4a0225c3d208 805b5003 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-upstream-kasan-gce-root 2021/04/27 04:16 upstream 4a0225c3d208 805b5003 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream 2021/04/23 14:27 upstream 18a3c5f7abfd 17f0b706 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream 2021/04/23 13:17 upstream 18a3c5f7abfd 17f0b706 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream-386 2021/05/08 12:49 upstream 18a3c5f7abfd bc5434be .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream-386 2021/05/08 10:59 upstream 18a3c5f7abfd bc5434be .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream-386 2021/05/08 07:27 upstream 18a3c5f7abfd bc5434be .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream-386 2021/05/08 02:14 upstream 18a3c5f7abfd bc5434be .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream-386 2021/05/08 00:51 upstream 18a3c5f7abfd bc5434be .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream-386 2021/05/07 23:44 upstream 18a3c5f7abfd bc5434be .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream-386 2021/05/07 23:33 upstream 18a3c5f7abfd bc5434be .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream-386 2021/05/07 19:08 upstream 18a3c5f7abfd f6da8120 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream-386 2021/05/07 16:27 upstream 18a3c5f7abfd f6da8120 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream-386 2021/05/07 13:35 upstream 18a3c5f7abfd f6da8120 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream-386 2021/05/07 12:31 upstream 18a3c5f7abfd f6da8120 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream-386 2021/05/07 11:21 upstream 18a3c5f7abfd f6da8120 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream-386 2021/05/07 04:53 upstream 18a3c5f7abfd 06585184 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream-386 2021/05/07 01:46 upstream 18a3c5f7abfd 06585184 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream-386 2021/05/07 00:45 upstream 18a3c5f7abfd 06585184 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream-386 2021/05/06 21:45 upstream 18a3c5f7abfd 06585184 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream-386 2021/05/06 17:30 upstream 18a3c5f7abfd 06c27ff5 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream-386 2021/05/06 14:11 upstream 18a3c5f7abfd 06c27ff5 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream-386 2021/05/06 13:00 upstream 18a3c5f7abfd 06c27ff5 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu-upstream-386 2021/05/06 11:09 upstream 18a3c5f7abfd 06c27ff5 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu2-arm64 2021/04/28 23:52 upstream 68a32ba14177 77e2b668 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-upstream-kasan-gce-386 2021/04/25 11:19 upstream 2a1d7946fa53 36c88236 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-upstream-kasan-gce-386 2021/04/25 07:45 upstream 2a1d7946fa53 36c88236 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-qemu2-arm64-compat 2021/04/24 18:35 upstream 8db5efb83fa9 17f0b706 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-upstream-bpf-kasan-gce 2021/05/05 04:33 bpf bbd6f0a94813 06c27ff5 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-upstream-bpf-kasan-gce 2021/04/25 13:25 bpf b02265429681 36c88236 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-upstream-bpf-kasan-gce 2021/04/23 20:39 bpf b02265429681 17f0b706 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-upstream-net-this-kasan-gce 2021/04/05 11:14 net a14d273ba159 6a81331a .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-upstream-bpf-next-kasan-gce 2021/05/06 23:42 bpf-next 3733bfbbdd28 06585184 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-upstream-bpf-next-kasan-gce 2021/05/03 21:12 bpf-next 3733bfbbdd28 ad61f371 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-upstream-bpf-next-kasan-gce 2021/04/25 09:10 bpf-next 350a62ca065b 36c88236 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-upstream-bpf-next-kasan-gce 2021/04/25 02:06 bpf-next 350a62ca065b 17f0b706 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-upstream-linux-next-kasan-gce-root 2021/01/30 00:45 linux-next b01f250d83f6 fc9fd31e .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-upstream-linux-next-kasan-gce-root 2021/01/22 20:12 linux-next bc085f8fc88f 4080af96 .config log report info UBSAN: shift-out-of-bounds in load_balance
ci-upstream-linux-next-kasan-gce-root 2021/01/20 09:21 linux-next 647060f3b592 d4f4eca5 .config log report info UBSAN: shift-out-of-bounds in load_balance