Re: linux-next boot error: BUG: unable to handle kernel NULL pointer dereference in mempool_init_node

2020-11-11 Thread Andrey Konovalov
On Wed, Nov 11, 2020 at 8:27 PM Lorenzo Stoakes wrote: > > On Wed, 11 Nov 2020 at 17:44, Andrey Konovalov wrote: > > I'll try to reproduce this and figure out the issue. Thanks for letting us > > know! > > I hope you don't mind me diving in here, I was taking a look just now > and managed to

Re: linux-next boot error: BUG: unable to handle kernel NULL pointer dereference in mempool_init_node

2020-11-11 Thread Lorenzo Stoakes
On Wed, 11 Nov 2020 at 17:44, Andrey Konovalov wrote: > I'll try to reproduce this and figure out the issue. Thanks for letting us > know! I hope you don't mind me diving in here, I was taking a look just now and managed to reproduce this locally - I bisected the issue to 105397399 ("kasan:

Re: linux-next boot error: BUG: unable to handle kernel NULL pointer dereference in mempool_init_node

2020-11-11 Thread Andrey Konovalov
On Wed, Nov 11, 2020 at 5:26 PM Qian Cai wrote: > > It looks to me the code paths below had recently been modified heavily by this > patchset. If this is reproducible, it can be confirmed by reverting it. > > https://lore.kernel.org/linux-arm-kernel/cover.1605046662.git.andreyk...@google.com/

Re: linux-next boot error: BUG: unable to handle kernel NULL pointer dereference in mempool_init_node

2020-11-11 Thread Qian Cai
It looks to me the code paths below had recently been modified heavily by this patchset. If this is reproducible, it can be confirmed by reverting it. https://lore.kernel.org/linux-arm-kernel/cover.1605046662.git.andreyk...@google.com/ On Tue, 2020-11-10 at 23:45 -0800, syzbot wrote: > Hello, >

linux-next boot error: BUG: unable to handle kernel NULL pointer dereference in mempool_init_node

2020-11-10 Thread syzbot
Hello, syzbot found the following issue on: HEAD commit:3e14f70c Add linux-next specific files for 2020 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=12e6af6250 kernel config: https://syzkaller.appspot.com/x/.config?x=d6f4c7e100b61b76 dashboard