syzbot


BUG: sleeping function called from invalid context in tipc_crypto_start
Status: upstream: reported C repro on 2021/12/14 04:42
Reported-by: syzbot+73a4f2b28371d5526901@syzkaller.appspotmail.com
Fix commit: f845fe5819ef Revert "tipc: use consistent GFP flags"
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: 45d, last: 38d

Cause bisection: introduced by (bisect log) :
commit 86c3a3e964d910a62eeb277d60b2a60ebefa9feb
Author: Tadeusz Struk <tadeusz.struk@linaro.org>
Date: Thu Nov 11 20:59:16 2021 +0000

  tipc: use consistent GFP flags

Crash: BUG: sleeping function called from invalid context in tipc_crypto_start (log)
Repro: C syz .config

Fix bisection: fixed by (bisect log) :
commit f845fe5819efc4111c456c102f15db6d9ed3406e
Author: Hoang Le <hoang.h.le@dektech.com.au>
Date: Fri Dec 17 03:00:59 2021 +0000

  Revert "tipc: use consistent GFP flags"


Sample crash report:

Crashes (6):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-net-this-kasan-gce 2021/12/13 18:21 net 28a2686c185e 49ca1f59 .config log report syz C BUG: sleeping function called from invalid context in tipc_crypto_start
ci-upstream-net-kasan-gce 2021/12/14 01:41 net-next a3c62a042237 5d14b1ea .config log report syz C BUG: sleeping function called from invalid context in tipc_crypto_start
ci-upstream-linux-next-kasan-gce-root 2021/12/13 16:26 linux-next ea922272cbe5 49ca1f59 .config log report syz C BUG: sleeping function called from invalid context in tipc_crypto_start
ci-upstream-net-kasan-gce 2021/12/20 15:06 net-next 4b430f5c9680 021b36cb .config log report info BUG: sleeping function called from invalid context in tipc_crypto_start
ci-upstream-net-kasan-gce 2021/12/13 15:52 net-next 9b5bcb193a3b 49ca1f59 .config log report info BUG: sleeping function called from invalid context in tipc_crypto_start
ci-upstream-linux-next-kasan-gce-root 2021/12/13 15:51 linux-next ea922272cbe5 49ca1f59 .config log report info BUG: sleeping function called from invalid context in tipc_crypto_start