kernel panic: stack is corrupted in lock_release (2)

From: syzbot
Date: Sun Sep 01 2019 - 19:27:34 EST


syzbot found the following crash on:

HEAD commit: dd7078f0 enetc: Add missing call to 'pci_free_irq_vectors(..
git tree: net
console output:
kernel config:
dashboard link:
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
syz repro:

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+97deee97cf14574b96d0@xxxxxxxxxxxxxxxxxxxxxxxxx

Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: lock_release+0x866/0x960 kernel/locking/lockdep.c:4435
CPU: 0 PID: 9965 Comm: syz-executor.0 Not tainted 5.3.0-rc6+ #182
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Kernel Offset: disabled
Rebooting in 86400 seconds..

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