Re: [syzbot] [kernel?] possible deadlock in scheduler_tick (2)

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



This looks same pattern with https://lkml.kernel.org/r/6577e1fa-b6ee-f2be-2414-a2b51b1c5e30@xxxxxxxxxxxxxxxxxxx .
I think stackdepot needs to drop __GFP_KSWAPD_RECLAIM as well as debugobject did.

Like I wrote at https://lore.kernel.org/linux-mm/d642e597-cf7d-b410-16ce-22dff483fd8e@xxxxxxxxxxxxxxxxxxx/ ,
I wish that GFP_ATOMIC / GFP_NOWAIT do not imply __GFP_KSWAPD_RECLAIM...

On 2023/05/20 17:26, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    f1fcbaa18b28 Linux 6.4-rc2
> git tree:       git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci
> console output: https://syzkaller.appspot.com/x/log.txt?x=1332a029280000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=3dc1cdd68141cdc3
> dashboard link: https://syzkaller.appspot.com/bug?extid=ece2915262061d6e0ac1
> compiler:       Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
> userspace arch: arm64
> 
> Unfortunately, I don't have any reproducer for this issue yet.
> 
> Downloadable assets:
> disk image: https://storage.googleapis.com/syzbot-assets/f9e1748cceea/disk-f1fcbaa1.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/6dea99343621/vmlinux-f1fcbaa1.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/f5a93f86012d/Image-f1fcbaa1.gz.xz
> 
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+ece2915262061d6e0ac1@xxxxxxxxxxxxxxxxxxxxxxxxx





[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Bugtraq]     [Linux OMAP]     [Linux MIPS]     [eCos]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux