Messages in this thread | | | Date | Mon, 24 Jun 2019 11:33:56 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: WARNING: ODEBUG bug in netdev_freemem (2) |
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On Mon, 24 Jun 2019, syzbot wrote:
> Hello, > > syzbot found the following crash on: > > HEAD commit: fd6b99fa Merge branch 'akpm' (patches from Andrew) > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=144de256a00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=fa9f7e1b6a8bb586 > dashboard link: https://syzkaller.appspot.com/bug?extid=c4521ac872a4ccc3afec > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > > Unfortunately, I don't have any reproducer for this crash yet. > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > Reported-by: syzbot+c4521ac872a4ccc3afec@syzkaller.appspotmail.com > > device hsr_slave_0 left promiscuous mode > team0 (unregistering): Port device team_slave_1 removed > team0 (unregistering): Port device team_slave_0 removed > bond0 (unregistering): Releasing backup interface bond_slave_1 > bond0 (unregistering): Releasing backup interface bond_slave_0 > bond0 (unregistering): Released all slaves > ------------[ cut here ]------------ > ODEBUG: free active (active state 0) object type: timer_list hint: > delayed_work_timer_fn+0x0/0x90 arch/x86/include/asm/paravirt.h:767
One of the cleaned up devices has left an active timer which belongs to a delayed work. That's all I can decode out of that splat. :(
Thanks,
tglx
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