syzbot


WARNING in slave_kobj_release
Status: upstream: reported C repro on 2021/02/16 16:57
Reported-by: syzbot+bfda097c12a00c8cae67@syzkaller.appspotmail.com
Fix commit: 35d96e631860 bonding: init notify_work earlier to avoid uninitialized use
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: 162d, last: 74d

Cause bisection: introduced by (bisect log) :
commit dcd479e10a0510522a5d88b29b8f79ea3467d501
Author: Johannes Berg <johannes.berg@intel.com>
Date: Fri Oct 9 12:17:11 2020 +0000

  mac80211: always wind down STA state

Crash: BUG: sleeping function called from invalid context in sta_info_move_state (log)
Repro: C syz .config
Patch testing requests:
Created Duration User Patch Repo Result
2021/02/21 17:34 22m pvalerio@redhat.com git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git master report log

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2021/05/16 04:11 upstream 63d1cb53e26a 98682e5e .config log report syz C
ci-upstream-kasan-gce-smack-root 2021/03/18 14:45 upstream 6417f03132a6 98682e5e .config log report syz C
Crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2021/02/16 14:04 upstream f40ddce88593 98682e5e .config log report syz C WARNING in slave_kobj_release
ci-upstream-kasan-gce-smack-root 2021/04/16 03:49 upstream 7e25f40eab52 c59079a6 .config log report info WARNING in slave_kobj_release
ci-upstream-kasan-gce-smack-root 2021/02/16 13:44 upstream f40ddce88593 98682e5e .config log report info WARNING in slave_kobj_release