This is a resend of the patchset discussed here[1] for the 5.15 tree.
[1] https://lore.kernel.org/r/2025011052-backpedal-coat-2fec@gregkh
I've picked the "do not keep dangling zcomp pointer" patch from the linux-rc tree at the time, so kept Sasha's SOB and added mine on top -- please let me know if it wasn't appropriate.
I've also prepared the 5.10 patches, but I hadn't realized there were so many stable deps (8 patchs total!); I'm honestly not sure the problem is worth the churn but since it's done and tested I'll send the patches if there is no problem with this 5.15 version.
Thanks!
Dominique Martinet (1): zram: check comp is non-NULL before calling comp_destroy
Kairui Song (1): zram: fix uninitialized ZRAM not releasing backing device
Sergey Senozhatsky (1): drivers/block/zram/zram_drv.c: do not keep dangling zcomp pointer after zram reset
drivers/block/zram/zram_drv.c | 23 +++++++++-------------- 1 file changed, 9 insertions(+), 14 deletions(-)