syzbot


UBSAN: shift-out-of-bounds in choke_enqueue
Status: fixed on 2021/03/10 01:48
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: bd1248f1ddbc net: sched: prevent invalid Scell_log shift count
First crash: 362d, last: 269d

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: WARNING in sysfs_warn_dup (log)
Repro: C syz .config

Sample crash report:

Crashes (3853):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-linux-next-kasan-gce-root 2020/12/08 05:53 linux-next 15ac8fdb7440 51a9082e .config log report syz C
ci-upstream-kasan-gce-root 2021/03/10 00:38 upstream 144c79ef3353 26967e35 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-kasan-gce-root 2021/03/09 05:22 upstream 144c79ef3353 09fbf400 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-kasan-gce 2021/03/09 01:47 upstream 144c79ef3353 09fbf400 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-kasan-gce-root 2021/03/08 21:41 upstream 144c79ef3353 09fbf400 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-kasan-gce-root 2021/03/08 01:08 upstream 3bb48a850627 75506d9c .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-kasan-gce-root 2021/03/07 22:38 upstream a38fd8748464 75506d9c .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-kasan-gce-root 2021/03/07 20:28 upstream a38fd8748464 75506d9c .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-kasan-gce-root 2021/03/07 19:10 upstream a38fd8748464 75506d9c .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-kasan-gce-root 2021/03/07 16:23 upstream a38fd8748464 75506d9c .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-kasan-gce-root 2021/03/07 14:54 upstream a38fd8748464 75506d9c .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-kasan-gce 2021/03/07 11:59 upstream a38fd8748464 75506d9c .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-kasan-gce-smack-root 2021/03/06 23:03 upstream a38fd8748464 e4b4d570 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-kasan-gce-root 2021/03/06 22:00 upstream a38fd8748464 e4b4d570 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-kasan-gce-smack-root 2021/03/06 18:18 upstream a38fd8748464 e4b4d570 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-kasan-gce-smack-root 2021/03/06 15:49 upstream a38fd8748464 e4b4d570 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-kasan-gce-root 2021/03/06 13:23 upstream a38fd8748464 e4b4d570 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-kasan-gce-root 2021/03/06 12:03 upstream a38fd8748464 e4b4d570 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-kasan-gce-root 2021/03/06 08:44 upstream 280d542f6ffa 56722561 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-kasan-gce 2021/03/06 05:40 upstream 280d542f6ffa 56722561 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-kasan-gce-smack-root 2021/03/06 02:16 upstream 280d542f6ffa 56722561 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-kasan-gce-root 2021/03/06 01:14 upstream 280d542f6ffa 56722561 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-kasan-gce-selinux-root 2021/03/05 17:28 upstream 280d542f6ffa 9d751681 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-qemu-upstream 2021/03/01 13:21 upstream fe07bfda2fb9 4c37c133 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-kasan-gce-386 2021/03/10 01:47 upstream 144c79ef3353 26967e35 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-kasan-gce-386 2021/03/08 06:46 upstream 144c79ef3353 09fbf400 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-qemu-upstream-386 2021/03/05 23:11 upstream 280d542f6ffa e4b4d570 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-kasan-gce-386 2021/03/05 18:33 upstream 280d542f6ffa 9d751681 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-net-this-kasan-gce 2021/03/09 19:48 net 4416e98594dc 26967e35 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-net-this-kasan-gce 2021/03/09 19:11 net 4416e98594dc 26967e35 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-net-this-kasan-gce 2021/03/09 02:54 net 29d98f54a4fe 09fbf400 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-net-this-kasan-gce 2021/03/09 00:57 net 29d98f54a4fe 09fbf400 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-net-this-kasan-gce 2021/03/08 09:45 net 9270bbe258c8 09fbf400 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-net-this-kasan-gce 2021/03/08 04:26 net 9270bbe258c8 09fbf400 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-net-this-kasan-gce 2021/03/08 02:38 net 9270bbe258c8 09fbf400 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-net-this-kasan-gce 2021/03/07 04:57 net 9270bbe258c8 e4b4d570 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-net-this-kasan-gce 2021/03/06 00:41 net ad5d07f4a9cd 56722561 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-net-kasan-gce 2021/03/09 22:54 net-next d310ec03a34e 26967e35 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-net-kasan-gce 2021/03/09 21:15 net-next d310ec03a34e 26967e35 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-net-kasan-gce 2021/03/09 16:15 net-next d310ec03a34e 09fbf400 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-net-kasan-gce 2021/03/09 15:01 net-next d310ec03a34e 09fbf400 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-net-kasan-gce 2021/03/08 23:48 net-next d310ec03a34e 09fbf400 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-net-kasan-gce 2021/03/08 19:43 net-next d310ec03a34e 09fbf400 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-net-kasan-gce 2021/03/08 16:29 net-next d310ec03a34e 09fbf400 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-net-kasan-gce 2021/03/08 02:54 net-next d310ec03a34e 09fbf400 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-net-kasan-gce 2021/03/07 18:09 net-next d310ec03a34e 75506d9c .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-net-kasan-gce 2021/03/07 13:09 net-next d310ec03a34e 75506d9c .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-net-kasan-gce 2021/03/07 07:05 net-next d310ec03a34e e4b4d570 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-net-kasan-gce 2021/03/07 01:07 net-next d310ec03a34e e4b4d570 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-net-kasan-gce 2021/03/06 20:51 net-next d310ec03a34e e4b4d570 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-net-kasan-gce 2021/03/06 18:20 net-next d310ec03a34e e4b4d570 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-net-kasan-gce 2021/03/06 10:53 net-next d310ec03a34e e4b4d570 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-net-kasan-gce 2021/03/05 22:02 net-next d310ec03a34e 56722561 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-net-kasan-gce 2021/03/05 20:27 net-next d310ec03a34e 56722561 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-net-kasan-gce 2021/03/05 15:24 net-next d310ec03a34e 9d751681 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-linux-next-kasan-gce-root 2021/03/09 11:06 linux-next 3aa6f5082286 09fbf400 .config log report info UBSAN: shift-out-of-bounds in choke_enqueue
ci-upstream-kasan-gce-root 2021/01/17 13:11 upstream 0da0a8a0a0e1 813be542 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/12/07 12:52 linux-next 15ac8fdb7440 1190297f .config log report info