Messages in this thread | ![/](/images/icornerl.gif) | | Date | Sun, 2 Apr 2023 22:56:27 +0800 | Subject | Re: [PATCH] mm/swap: fix swap_info_struct race between swapoff and get_swap_pages() | From | Rongwei Wang <> |
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On 4/2/23 9:37 PM, Bagas Sanjaya wrote: > On Sun, Apr 02, 2023 at 06:19:20AM +0800, Rongwei Wang wrote: >> Without this modification, a core will wait (mostly) > "Currently, a core will ..." > >> But, a worse consequence, panic also can be caused by > "However, in the worst case, ..." > >> In this patch, we lock p->lock before calling > "Lock p->lock before calling ..." > >> We also find this problem exists in stable 5.10. > So, you claim that 5.15.y and 6.1.y aren't affected, right?
I think above both versions also be affected. I can check they next.
> > Also, Cc: stable@vger.kernel.org on the SoB area (as pointed by kernel > test robot [1]. Thanks, next version will to do. > > Thanks. > > [1]: https://lore.kernel.org/stable/ZCiuGEkyk%2F1Afisk@ec83ac1404bb/ >
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